Move PCE label handling from APP to protocol.

Change-Id: I26ae21b27ac2dc9ae3302030f6860e0e371c342c

-/*
- * Copyright 2016-present Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.pce.pceservice;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-
-import java.util.Collection;
-import java.util.Iterator;
-import java.util.List;
-import java.util.ListIterator;
-import java.util.LinkedList;
-
-import org.onlab.packet.MplsLabel;
-import org.onosproject.core.ApplicationId;
-import org.onosproject.incubator.net.resource.label.DefaultLabelResource;
-import org.onosproject.incubator.net.resource.label.LabelResource;
-import org.onosproject.incubator.net.resource.label.LabelResourceId;
-import org.onosproject.incubator.net.resource.label.LabelResourceService;
-import org.onosproject.incubator.net.tunnel.Tunnel;
-import org.onosproject.incubator.net.tunnel.TunnelId;
-import org.onosproject.net.DeviceId;
-import org.onosproject.net.PortNumber;
-import org.onosproject.net.flow.DefaultTrafficSelector;
-import org.onosproject.net.flow.DefaultTrafficTreatment;
-import org.onosproject.net.flow.TrafficSelector;
-import org.onosproject.net.flow.TrafficTreatment;
-import org.onosproject.net.flowobjective.DefaultForwardingObjective;
-import org.onosproject.net.flowobjective.FlowObjectiveService;
-import org.onosproject.net.flowobjective.ForwardingObjective;
-import org.onosproject.net.flowobjective.Objective;
-import org.onosproject.pce.pcestore.api.PceStore;
-import org.onosproject.pce.pcestore.api.LspLocalLabelInfo;
-import org.onosproject.pce.pcestore.PceccTunnelInfo;
-import org.onosproject.pce.pcestore.DefaultLspLocalLabelInfo;
-import org.onosproject.net.Link;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.google.common.collect.ArrayListMultimap;
-import com.google.common.collect.Multimap;
-
-/**
- * Basic PCECC handler.
- * In Basic PCECC, after path computation will configure IN and OUT label to nodes.
- * [X]OUT---link----IN[Y]OUT---link-----IN[Z] where X, Y and Z are nodes.
- * For generating labels, will go thorough links in the path from Egress to Ingress.
- * In each link, will take label from destination node local pool as IN label,
- * and assign this label as OUT label to source node.
- */
-public final class BasicPceccHandler {
-    private static final Logger log = LoggerFactory.getLogger(BasicPceccHandler.class);
-
-    private static final String LABEL_RESOURCE_SERVICE_NULL = "Label Resource Service cannot be null";
-    private static final String PCE_STORE_NULL = "PCE Store cannot be null";
-    private static BasicPceccHandler crHandlerInstance = null;
-    private LabelResourceService labelRsrcService;
-    private PceStore pceStore;
-    private FlowObjectiveService flowObjectiveService;
-    private ApplicationId appId;
-
-    /**
-     * Initializes default values.
-     */
-    private BasicPceccHandler() {
-    }
-
-    /**
-     * Returns single instance of this class.
-     *
-     * @return this class single instance
-     */
-    public static BasicPceccHandler getInstance() {
-        if (crHandlerInstance == null) {
-            crHandlerInstance = new BasicPceccHandler();
-        }
-        return crHandlerInstance;
-    }
-
-    /**
-     * Initialization of label manager and pce store.
-     *
-     * @param labelRsrcService label resource service
-     * @param flowObjectiveService flow objective service to push device label information
-     * @param appId applicaton id
-     * @param pceStore pce label store
-     */
-    public void initialize(LabelResourceService labelRsrcService, FlowObjectiveService flowObjectiveService,
-                           ApplicationId appId, PceStore pceStore) {
-        this.labelRsrcService = labelRsrcService;
-        this.flowObjectiveService = flowObjectiveService;
-        this.appId = appId;
-        this.pceStore = pceStore;
-    }
-
-    /**
-     * Allocates labels from local resource pool and configure these (IN and OUT) labels into devices.
-     *
-     * @param tunnel tunnel between ingress to egress
-     * @return success or failure
-     */
-    public boolean allocateLabel(Tunnel tunnel) {
-        long applyNum = 1;
-        boolean isLastLabelToPush = false;
-        Collection<LabelResource> labelRscList;
-
-        checkNotNull(labelRsrcService, LABEL_RESOURCE_SERVICE_NULL);
-        checkNotNull(pceStore, PCE_STORE_NULL);
-
-        List<Link> linkList = tunnel.path().links();
-        if ((linkList != null) && (linkList.size() > 0)) {
-            // Sequence through reverse order to push local labels into devices
-            // Generation of labels from egress to ingress
-            for (ListIterator<Link> iterator = linkList.listIterator(linkList.size()); iterator.hasPrevious();) {
-                Link link = iterator.previous();
-                DeviceId dstDeviceId = link.dst().deviceId();
-                DeviceId srcDeviceId = link.src().deviceId();
-                labelRscList = labelRsrcService.applyFromDevicePool(dstDeviceId, applyNum);
-                if ((labelRscList != null) && (labelRscList.size() > 0)) {
-                    // Link label value is taken from destination device local pool.
-                    // [X]OUT---link----IN[Y]OUT---link-----IN[Z] where X, Y and Z are nodes.
-                    // Link label value is used as OUT and IN for both ends
-                    // (source and destination devices) of the link.
-                    // Currently only one label is allocated to a device (destination device).
-                    // So, no need to iterate through list
-                    Iterator<LabelResource> labelIterator = labelRscList.iterator();
-                    DefaultLabelResource defaultLabelResource = (DefaultLabelResource) labelIterator.next();
-                    LabelResourceId labelId = defaultLabelResource.labelResourceId();
-                    log.debug("Allocated local label: " + labelId.toString()
-                              + "to device: " + defaultLabelResource.deviceId().toString());
-                    PortNumber dstPort = link.dst().port();
-
-                    // Check whether this is last link label to push
-                    if (!iterator.hasPrevious()) {
-                       isLastLabelToPush = true;
-                    }
-
-                    // Push into destination device
-                    // Destination device IN port is link.dst().port()
-                    installLocalLabelRule(dstDeviceId, labelId, dstPort, tunnel.tunnelId(), false,
-                                          Long.valueOf(LabelType.IN_LABEL.value), Objective.Operation.ADD);
-
-                    // Push into source device
-                    // Source device OUT port will be link.dst().port(). Means its remote port used to send packet.
-                    installLocalLabelRule(srcDeviceId, labelId, dstPort, tunnel.tunnelId(), isLastLabelToPush,
-                                          Long.valueOf(LabelType.OUT_LABEL.value), Objective.Operation.ADD);
-
-                    // Add or update pcecc tunnel info in pce store.
-                    updatePceccTunnelInfoInStore(srcDeviceId, dstDeviceId, labelId, dstPort,
-                                                 tunnel, isLastLabelToPush);
-                } else {
-                    log.error("Unable to allocate label to device id {}.", dstDeviceId.toString());
-                    releaseLabel(tunnel);
-                    return false;
-                }
-            }
-        } else {
-           log.error("Tunnel {} is having empty links.", tunnel.toString());
-           return false;
-        }
-
-        return true;
-    }
-
-    /**
-     * Updates list of local labels of PCECC tunnel info in pce store.
-     *
-     * @param srcDeviceId source device in a link
-     * @param dstDeviceId destination device in a link
-     * @param labelId label id of a link
-     * @param dstPort destination device port number of a link
-     * @param tunnel tunnel
-     * @param isLastLabelToPush indicates this is the last label to push in Basic PCECC case
-     */
-    public void updatePceccTunnelInfoInStore(DeviceId srcDeviceId, DeviceId dstDeviceId, LabelResourceId labelId,
-                                                PortNumber dstPort, Tunnel tunnel, boolean isLastLabelToPush) {
-       // First try to retrieve device from store and update its label id if it is exists,
-       // otherwise add it
-       boolean dstDeviceUpdated = false;
-       boolean srcDeviceUpdated = false;
-
-       PceccTunnelInfo pceccTunnelInfo = pceStore.getTunnelInfo(tunnel.tunnelId());
-       List<LspLocalLabelInfo> lspLabelInfoList;
-       if (pceccTunnelInfo != null) {
-           lspLabelInfoList = pceccTunnelInfo.lspLocalLabelInfoList();
-           if ((lspLabelInfoList != null) && (lspLabelInfoList.size() > 0)) {
-               for (int i = 0; i < lspLabelInfoList.size(); ++i) {
-                   LspLocalLabelInfo lspLocalLabelInfo =
-                           lspLabelInfoList.get(i);
-                   LspLocalLabelInfo.Builder lspLocalLabelInfoBuilder = null;
-                   if (dstDeviceId.equals(lspLocalLabelInfo.deviceId())) {
-                       lspLocalLabelInfoBuilder = DefaultLspLocalLabelInfo.builder(lspLocalLabelInfo);
-                       lspLocalLabelInfoBuilder.inLabelId(labelId);
-                       // Destination device IN port will be link destination port
-                       lspLocalLabelInfoBuilder.inPort(dstPort);
-                       dstDeviceUpdated = true;
-                   } else if (srcDeviceId.equals(lspLocalLabelInfo.deviceId())) {
-                       lspLocalLabelInfoBuilder = DefaultLspLocalLabelInfo.builder(lspLocalLabelInfo);
-                       lspLocalLabelInfoBuilder.outLabelId(labelId);
-                       // Source device OUT port will be link destination (remote) port
-                       lspLocalLabelInfoBuilder.outPort(dstPort);
-                       srcDeviceUpdated = true;
-                   }
-
-                   // Update
-                   if ((lspLocalLabelInfoBuilder != null) && (dstDeviceUpdated || srcDeviceUpdated)) {
-                       lspLabelInfoList.set(i, lspLocalLabelInfoBuilder.build());
-                   }
-               }
-           }
-       }
-
-       // If it is not found in store then add it to store
-       if (!dstDeviceUpdated || !srcDeviceUpdated) {
-           // If tunnel info itself not available then create new one, otherwise add node to list.
-           if (pceccTunnelInfo == null) {
-              pceccTunnelInfo = new PceccTunnelInfo();
-              lspLabelInfoList = new LinkedList<>();
-           } else {
-              lspLabelInfoList = pceccTunnelInfo.lspLocalLabelInfoList();
-              if (lspLabelInfoList == null) {
-                 lspLabelInfoList = new LinkedList<>();
-              }
-           }
-
-           if (!dstDeviceUpdated) {
-               LspLocalLabelInfo lspLocalLabelInfo = DefaultLspLocalLabelInfo.builder()
-                   .deviceId(dstDeviceId)
-                   .inLabelId(labelId)
-                   .outLabelId(null)
-                   .inPort(dstPort) // Destination device IN port will be link destination port
-                   .outPort(null)
-                   .build();
-               lspLabelInfoList.add(lspLocalLabelInfo);
-           }
-
-           if (!srcDeviceUpdated) {
-               LspLocalLabelInfo lspLocalLabelInfo = DefaultLspLocalLabelInfo.builder()
-                   .deviceId(srcDeviceId)
-                   .inLabelId(null)
-                   .outLabelId(labelId)
-                   .inPort(null)
-                   .outPort(dstPort) // Source device OUT port will be link destination (remote) port
-                   .build();
-               lspLabelInfoList.add(lspLocalLabelInfo);
-           }
-
-           pceccTunnelInfo.lspLocalLabelInfoList(lspLabelInfoList);
-           pceStore.addTunnelInfo(tunnel.tunnelId(), pceccTunnelInfo);
-       }
-    }
-
-    /**
-     * Deallocates unused labels to device pools.
-     *
-     * @param tunnel tunnel between ingress to egress
-     */
-    public void releaseLabel(Tunnel tunnel) {
-
-       checkNotNull(labelRsrcService, LABEL_RESOURCE_SERVICE_NULL);
-       checkNotNull(pceStore, PCE_STORE_NULL);
-
-       Multimap<DeviceId, LabelResource> release = ArrayListMultimap.create();
-       PceccTunnelInfo pceccTunnelInfo = pceStore.getTunnelInfo(tunnel.tunnelId());
-       if (pceccTunnelInfo != null) {
-           List<LspLocalLabelInfo> lspLocalLabelInfoList = pceccTunnelInfo.lspLocalLabelInfoList();
-           if ((lspLocalLabelInfoList != null) && (lspLocalLabelInfoList.size() > 0)) {
-               for (Iterator<LspLocalLabelInfo> iterator = lspLocalLabelInfoList.iterator(); iterator.hasNext();) {
-                   LspLocalLabelInfo lspLocalLabelInfo = iterator.next();
-                   DeviceId deviceId = lspLocalLabelInfo.deviceId();
-                   LabelResourceId inLabelId = lspLocalLabelInfo.inLabelId();
-                   LabelResourceId outLabelId = lspLocalLabelInfo.outLabelId();
-                   PortNumber inPort = lspLocalLabelInfo.inPort();
-                   PortNumber outPort = lspLocalLabelInfo.outPort();
-
-                   // Push into device
-                   if ((inLabelId != null) && (inPort != null)) {
-                       installLocalLabelRule(deviceId, inLabelId, inPort, tunnel.tunnelId(), false,
-                                             Long.valueOf(LabelType.IN_LABEL.value), Objective.Operation.REMOVE);
-                   }
-
-                   if ((outLabelId != null) && (outPort != null)) {
-                       installLocalLabelRule(deviceId, outLabelId, outPort, tunnel.tunnelId(), false,
-                                             Long.valueOf(LabelType.OUT_LABEL.value), Objective.Operation.REMOVE);
-                   }
-
-                   // List is stored from egress to ingress. So, using IN label id to release.
-                   // Only one local label is assigned to device (destination node)
-                   // and that is used as OUT label for source node.
-                   // No need to release label for last node in the list from pool because label was not allocated to
-                   // ingress node (source node).
-                   if ((iterator.hasNext()) && (inLabelId != null)) {
-                       LabelResource labelRsc = new DefaultLabelResource(deviceId, inLabelId);
-                       release.put(deviceId, labelRsc);
-                   }
-               }
-           }
-
-           // Release from label pool
-           if (!release.isEmpty()) {
-              labelRsrcService.releaseToDevicePool(release);
-           }
-
-           // Remove tunnel info only if tunnel consumer id is not saved.
-           // If tunnel consumer id is saved, this tunnel info will be removed during releasing bandwidth.
-           if (pceccTunnelInfo.tunnelConsumerId() == null) {
-               pceStore.removeTunnelInfo(tunnel.tunnelId());
-           }
-       } else {
-           log.error("Unable to find PCECC tunnel info in store for a tunnel {}.", tunnel.toString());
-       }
-   }
-
-    // Install a rule for pushing local labels to the device which is specific to path.
-    private synchronized void installLocalLabelRule(DeviceId deviceId, LabelResourceId labelId,
-                                       PortNumber portNum, TunnelId tunnelId,
-                                       Boolean isBos, Long labelType,
-                                       Objective.Operation type) {
-        checkNotNull(flowObjectiveService);
-        checkNotNull(appId);
-        TrafficSelector.Builder selectorBuilder = DefaultTrafficSelector.builder();
-
-        selectorBuilder.matchMplsLabel(MplsLabel.mplsLabel(labelId.id().intValue()));
-        selectorBuilder.matchInPort(portNum);
-        selectorBuilder.matchTunnelId(Long.parseLong(tunnelId.id()));
-        selectorBuilder.matchMplsBos(isBos);
-        selectorBuilder.matchMetadata(labelType);
-
-        TrafficTreatment treatment = DefaultTrafficTreatment.builder().build();
-
-        ForwardingObjective.Builder forwardingObjective = DefaultForwardingObjective.builder()
-                .withSelector(selectorBuilder.build())
-                .withTreatment(treatment)
-                .withFlag(ForwardingObjective.Flag.VERSATILE)
-                .fromApp(appId)
-                .makePermanent();
-
-        if (type.equals(Objective.Operation.ADD)) {
-            flowObjectiveService.forward(deviceId, forwardingObjective.add());
-        } else {
-            flowObjectiveService.forward(deviceId, forwardingObjective.remove());
-        }
-    }
-}

@@ -19,19 +19,11 @@ import static com.google.common.base.Preconditions.checkNotNull;
 
 
 import java.util.Collection;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Collections;
-import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.List;
-import java.util.Map;
 import java.util.Optional;
 import java.util.Optional;
-import java.util.Map.Entry;
 import java.util.Set;
 import java.util.Set;
-import java.util.concurrent.ScheduledExecutorService;
-
-import org.onlab.packet.Ethernet;
-import org.onlab.packet.IPv4;
-
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
 import org.apache.felix.scr.annotations.Component;
 import org.apache.felix.scr.annotations.Deactivate;
 import org.apache.felix.scr.annotations.Deactivate;
@@ -39,18 +31,12 @@ import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.ReferenceCardinality;
 import org.apache.felix.scr.annotations.ReferenceCardinality;
 import org.apache.felix.scr.annotations.Service;
 import org.apache.felix.scr.annotations.Service;
 import org.onlab.packet.IpAddress;
 import org.onlab.packet.IpAddress;
-import org.onlab.packet.IpPrefix;
-import org.onlab.packet.TCP;
 import org.onlab.util.Bandwidth;
 import org.onlab.util.Bandwidth;
 import org.onosproject.core.ApplicationId;
 import org.onosproject.core.ApplicationId;
 import org.onosproject.core.CoreService;
 import org.onosproject.core.CoreService;
-import org.onosproject.incubator.net.resource.label.LabelResourceAdminService;
-import org.onosproject.incubator.net.resource.label.LabelResourceId;
-import org.onosproject.incubator.net.resource.label.LabelResourceService;
 import org.onosproject.core.IdGenerator;
 import org.onosproject.core.IdGenerator;
 import org.onosproject.incubator.net.tunnel.DefaultTunnel;
 import org.onosproject.incubator.net.tunnel.DefaultTunnel;
 import org.onosproject.incubator.net.tunnel.IpTunnelEndPoint;
 import org.onosproject.incubator.net.tunnel.IpTunnelEndPoint;
-import org.onosproject.incubator.net.tunnel.LabelStack;
 import org.onosproject.incubator.net.tunnel.Tunnel;
 import org.onosproject.incubator.net.tunnel.Tunnel;
 import org.onosproject.incubator.net.tunnel.TunnelEndPoint;
 import org.onosproject.incubator.net.tunnel.TunnelEndPoint;
 import org.onosproject.incubator.net.tunnel.TunnelEvent;
 import org.onosproject.incubator.net.tunnel.TunnelEvent;
@@ -59,8 +45,6 @@ import org.onosproject.incubator.net.tunnel.TunnelListener;
 import org.onosproject.incubator.net.tunnel.TunnelName;
 import org.onosproject.incubator.net.tunnel.TunnelName;
 import org.onosproject.incubator.net.tunnel.TunnelService;
 import org.onosproject.incubator.net.tunnel.TunnelService;
 import org.onosproject.mastership.MastershipService;
 import org.onosproject.mastership.MastershipService;
-import org.onosproject.net.config.NetworkConfigEvent;
-import org.onosproject.net.config.NetworkConfigListener;
 import org.onosproject.net.config.NetworkConfigService;
 import org.onosproject.net.config.NetworkConfigService;
 import org.onosproject.net.DefaultAnnotations;
 import org.onosproject.net.DefaultAnnotations;
 import org.onosproject.net.DefaultAnnotations.Builder;
 import org.onosproject.net.DefaultAnnotations.Builder;
@@ -68,16 +52,10 @@ import org.onosproject.net.Device;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.Link;
 import org.onosproject.net.Link;
 import org.onosproject.net.Path;
 import org.onosproject.net.Path;
-import org.onosproject.net.device.DeviceEvent;
-import org.onosproject.net.device.DeviceListener;
 import org.onosproject.net.device.DeviceService;
 import org.onosproject.net.device.DeviceService;
-import org.onosproject.net.flowobjective.FlowObjectiveService;
-import org.onosproject.net.flowobjective.Objective;
 import org.onosproject.net.intent.Constraint;
 import org.onosproject.net.intent.Constraint;
 import org.onosproject.net.intent.constraint.BandwidthConstraint;
 import org.onosproject.net.intent.constraint.BandwidthConstraint;
-import org.onosproject.net.link.LinkListener;
 import org.onosproject.net.link.LinkEvent;
 import org.onosproject.net.link.LinkEvent;
-import org.onosproject.net.link.LinkService;
 import org.onosproject.net.MastershipRole;
 import org.onosproject.net.MastershipRole;
 import org.onosproject.pce.pceservice.constraint.CapabilityConstraint;
 import org.onosproject.pce.pceservice.constraint.CapabilityConstraint;
 import org.onosproject.pce.pceservice.constraint.CapabilityConstraint.CapabilityType;
 import org.onosproject.pce.pceservice.constraint.CapabilityConstraint.CapabilityType;
@@ -97,7 +75,6 @@ import org.onosproject.net.topology.TopologyListener;
 import org.onosproject.net.topology.TopologyService;
 import org.onosproject.net.topology.TopologyService;
 import org.onosproject.pce.pceservice.api.PceService;
 import org.onosproject.pce.pceservice.api.PceService;
 import org.onosproject.pce.pcestore.PcePathInfo;
 import org.onosproject.pce.pcestore.PcePathInfo;
-import org.onosproject.pce.pcestore.PceccTunnelInfo;
 import org.onosproject.pce.pcestore.api.PceStore;
 import org.onosproject.pce.pcestore.api.PceStore;
 import org.onosproject.pcep.api.DeviceCapability;
 import org.onosproject.pcep.api.DeviceCapability;
 import org.onosproject.store.serializers.KryoNamespaces;
 import org.onosproject.store.serializers.KryoNamespaces;
@@ -110,14 +87,10 @@ import org.slf4j.LoggerFactory;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.ImmutableSet;
 
 
-import static org.onosproject.incubator.net.tunnel.Tunnel.State.ACTIVE;
 import static org.onosproject.incubator.net.tunnel.Tunnel.State.INIT;
 import static org.onosproject.incubator.net.tunnel.Tunnel.State.INIT;
-import static org.onosproject.incubator.net.tunnel.Tunnel.State.ESTABLISHED;
 import static org.onosproject.incubator.net.tunnel.Tunnel.State.UNSTABLE;
 import static org.onosproject.incubator.net.tunnel.Tunnel.State.UNSTABLE;
 import static org.onosproject.incubator.net.tunnel.Tunnel.Type.MPLS;
 import static org.onosproject.incubator.net.tunnel.Tunnel.Type.MPLS;
 import static org.onosproject.pce.pceservice.LspType.WITH_SIGNALLING;
 import static org.onosproject.pce.pceservice.LspType.WITH_SIGNALLING;
-import static org.onosproject.pce.pceservice.LspType.SR_WITHOUT_SIGNALLING;
-import static org.onosproject.pce.pceservice.LspType.WITHOUT_SIGNALLING_AND_WITHOUT_SR;
 import static org.onosproject.pce.pceservice.PcepAnnotationKeys.BANDWIDTH;
 import static org.onosproject.pce.pceservice.PcepAnnotationKeys.BANDWIDTH;
 import static org.onosproject.pce.pceservice.PcepAnnotationKeys.LOCAL_LSP_ID;
 import static org.onosproject.pce.pceservice.PcepAnnotationKeys.LOCAL_LSP_ID;
 import static org.onosproject.pce.pceservice.PcepAnnotationKeys.LSP_SIG_TYPE;
 import static org.onosproject.pce.pceservice.PcepAnnotationKeys.LSP_SIG_TYPE;
@@ -127,11 +100,6 @@ import static org.onosproject.pce.pceservice.PcepAnnotationKeys.PCC_TUNNEL_ID;
 import static org.onosproject.pce.pceservice.PcepAnnotationKeys.DELEGATE;
 import static org.onosproject.pce.pceservice.PcepAnnotationKeys.DELEGATE;
 import static org.onosproject.pce.pceservice.PcepAnnotationKeys.COST_TYPE;
 import static org.onosproject.pce.pceservice.PcepAnnotationKeys.COST_TYPE;
 
 
-import org.onosproject.net.packet.InboundPacket;
-import org.onosproject.net.packet.PacketContext;
-import org.onosproject.net.packet.PacketProcessor;
-import org.onosproject.net.packet.PacketService;
-
 /**
 /**
  * Implementation of PCE service.
  * Implementation of PCE service.
  */
  */
@@ -142,13 +110,10 @@ public class PceManager implements PceService {
 
 
     public static final long GLOBAL_LABEL_SPACE_MIN = 4097;
     public static final long GLOBAL_LABEL_SPACE_MIN = 4097;
     public static final long GLOBAL_LABEL_SPACE_MAX = 5121;
     public static final long GLOBAL_LABEL_SPACE_MAX = 5121;
-    private static final String DEVICE_NULL = "Device-cannot be null";
-    private static final String LINK_NULL = "Link-cannot be null";
     public static final String PCE_SERVICE_APP = "org.onosproject.pce";
     public static final String PCE_SERVICE_APP = "org.onosproject.pce";
     private static final String LOCAL_LSP_ID_GEN_TOPIC = "pcep-local-lsp-id";
     private static final String LOCAL_LSP_ID_GEN_TOPIC = "pcep-local-lsp-id";
     public static final String DEVICE_TYPE = "type";
     public static final String DEVICE_TYPE = "type";
     public static final String L3_DEVICE = "L3";
     public static final String L3_DEVICE = "L3";
-    private static final int PREFIX_LENGTH = 32;
 
 
     private static final String TUNNEL_CONSUMER_ID_GEN_TOPIC = "pcep-tunnel-consumer-id";
     private static final String TUNNEL_CONSUMER_ID_GEN_TOPIC = "pcep-tunnel-consumer-id";
     private IdGenerator tunnelConsumerIdGen;
     private IdGenerator tunnelConsumerIdGen;
@@ -156,16 +121,11 @@ public class PceManager implements PceService {
     private static final String LSRID = "lsrId";
     private static final String LSRID = "lsrId";
     private static final String TRUE = "true";
     private static final String TRUE = "true";
     private static final String FALSE = "false";
     private static final String FALSE = "false";
-    private static final String END_OF_SYNC_IP_PREFIX = "0.0.0.0/32";
     public static final int PCEP_PORT = 4189;
     public static final int PCEP_PORT = 4189;
 
 
     private IdGenerator localLspIdIdGen;
     private IdGenerator localLspIdIdGen;
     protected DistributedSet<Short> localLspIdFreeList;
     protected DistributedSet<Short> localLspIdFreeList;
 
 
-    // LSR-id and device-id mapping for checking capability if L3 device is not
-    // having its capability
-    private Map<String, DeviceId> lsrIdDeviceIdMap = new HashMap<>();
-
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected CoreService coreService;
     protected CoreService coreService;
 
 
@@ -185,46 +145,24 @@ public class PceManager implements PceService {
     protected TunnelService tunnelService;
     protected TunnelService tunnelService;
 
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected StorageService storageService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected PacketService packetService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected DeviceService deviceService;
     protected DeviceService deviceService;
 
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected LinkService linkService;
+    protected StorageService storageService;
 
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected NetworkConfigService netCfgService;
     protected NetworkConfigService netCfgService;
 
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected LabelResourceAdminService labelRsrcAdminService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected LabelResourceService labelRsrcService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected FlowObjectiveService flowObjectiveService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected MastershipService mastershipService;
     protected MastershipService mastershipService;
 
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected TopologyService topologyService;
     protected TopologyService topologyService;
 
 
     private TunnelListener listener = new InnerTunnelListener();
     private TunnelListener listener = new InnerTunnelListener();
-    private DeviceListener deviceListener = new InternalDeviceListener();
-    private LinkListener linkListener = new InternalLinkListener();
-    private InternalConfigListener cfgListener = new InternalConfigListener();
-    private BasicPceccHandler crHandler;
-    private PceccSrTeBeHandler srTeHandler;
     private ApplicationId appId;
     private ApplicationId appId;
 
 
-    private final PcepPacketProcessor processor = new PcepPacketProcessor();
     private final TopologyListener topologyListener = new InternalTopologyListener();
     private final TopologyListener topologyListener = new InternalTopologyListener();
-    private ScheduledExecutorService executor;
 
 
     public static final int INITIAL_DELAY = 30;
     public static final int INITIAL_DELAY = 30;
     public static final int PERIODIC_DELAY = 30;
     public static final int PERIODIC_DELAY = 30;
@@ -238,17 +176,8 @@ public class PceManager implements PceService {
     @Activate
     @Activate
     protected void activate() {
     protected void activate() {
         appId = coreService.registerApplication(PCE_SERVICE_APP);
         appId = coreService.registerApplication(PCE_SERVICE_APP);
-        crHandler = BasicPceccHandler.getInstance();
-        crHandler.initialize(labelRsrcService, flowObjectiveService, appId, pceStore);
-
-        srTeHandler = PceccSrTeBeHandler.getInstance();
-        srTeHandler.initialize(labelRsrcAdminService, labelRsrcService, flowObjectiveService, appId, pceStore,
-                               deviceService);
 
 
         tunnelService.addListener(listener);
         tunnelService.addListener(listener);
-        deviceService.addListener(deviceListener);
-        linkService.addListener(linkListener);
-        netCfgService.addListener(cfgListener);
 
 
         tunnelConsumerIdGen = coreService.getIdGenerator(TUNNEL_CONSUMER_ID_GEN_TOPIC);
         tunnelConsumerIdGen = coreService.getIdGenerator(TUNNEL_CONSUMER_ID_GEN_TOPIC);
         localLspIdIdGen = coreService.getIdGenerator(LOCAL_LSP_ID_GEN_TOPIC);
         localLspIdIdGen = coreService.getIdGenerator(LOCAL_LSP_ID_GEN_TOPIC);
@@ -259,24 +188,14 @@ public class PceManager implements PceService {
                 .build()
                 .build()
                 .asDistributedSet();
                 .asDistributedSet();
 
 
-        packetService.addProcessor(processor, PacketProcessor.director(4));
         topologyService.addListener(topologyListener);
         topologyService.addListener(topologyListener);
 
 
-        // Reserve global node pool
-        if (!srTeHandler.reserveGlobalPool(GLOBAL_LABEL_SPACE_MIN, GLOBAL_LABEL_SPACE_MAX)) {
-            log.debug("Global node pool was already reserved.");
-        }
-
         log.info("Started");
         log.info("Started");
     }
     }
 
 
     @Deactivate
     @Deactivate
     protected void deactivate() {
     protected void deactivate() {
         tunnelService.removeListener(listener);
         tunnelService.removeListener(listener);
-        deviceService.removeListener(deviceListener);
-        linkService.removeListener(linkListener);
-        netCfgService.removeListener(cfgListener);
-        packetService.removeProcessor(processor);
         topologyService.removeListener(topologyListener);
         topologyService.removeListener(topologyListener);
         log.info("Stopped");
         log.info("Stopped");
     }
     }
@@ -401,16 +320,6 @@ public class PceManager implements PceService {
         annotationBuilder.set(DELEGATE, TRUE);
         annotationBuilder.set(DELEGATE, TRUE);
 
 
         Path computedPath = computedPathSet.iterator().next();
         Path computedPath = computedPathSet.iterator().next();
-        LabelStack labelStack = null;
-
-        if (lspType == SR_WITHOUT_SIGNALLING) {
-            labelStack = srTeHandler.computeLabelStack(computedPath);
-            // Failed to form a label stack.
-            if (labelStack == null) {
-                pceStore.addFailedPathInfo(new PcePathInfo(src, dst, tunnelName, constraints, lspType));
-                return false;
-            }
-        }
 
 
         if (lspType != WITH_SIGNALLING) {
         if (lspType != WITH_SIGNALLING) {
             /*
             /*
@@ -423,7 +332,7 @@ public class PceManager implements PceService {
         // For SR-TE tunnels, call SR manager for label stack and put it inside tunnel.
         // For SR-TE tunnels, call SR manager for label stack and put it inside tunnel.
         Tunnel tunnel = new DefaultTunnel(null, srcEndPoint, dstEndPoint, MPLS, INIT, null, null,
         Tunnel tunnel = new DefaultTunnel(null, srcEndPoint, dstEndPoint, MPLS, INIT, null, null,
                                           TunnelName.tunnelName(tunnelName), computedPath,
                                           TunnelName.tunnelName(tunnelName), computedPath,
-                                          labelStack, annotationBuilder.build());
+                                          annotationBuilder.build());
 
 
         // Allocate bandwidth.
         // Allocate bandwidth.
         TunnelConsumerId consumerId = null;
         TunnelConsumerId consumerId = null;
@@ -445,9 +354,8 @@ public class PceManager implements PceService {
         }
         }
 
 
         if (consumerId != null) {
         if (consumerId != null) {
-            // Store tunnel consumer id in LSP-Label store.
-            PceccTunnelInfo pceccTunnelInfo = new PceccTunnelInfo(null, consumerId);
-            pceStore.addTunnelInfo(tunnelId, pceccTunnelInfo);
+            // Store tunnel consumer id in LSP store.
+            pceStore.addTunnelInfo(tunnelId, consumerId);
         }
         }
         return true;
         return true;
     }
     }
@@ -553,7 +461,6 @@ public class PceManager implements PceService {
         annotationBuilder.set(PCC_TUNNEL_ID, tunnel.annotations().value(PCC_TUNNEL_ID));
         annotationBuilder.set(PCC_TUNNEL_ID, tunnel.annotations().value(PCC_TUNNEL_ID));
 
 
         Path computedPath = computedPathSet.iterator().next();
         Path computedPath = computedPathSet.iterator().next();
-        LabelStack labelStack = null;
         TunnelConsumerId consumerId = null;
         TunnelConsumerId consumerId = null;
         LspType lspType = LspType.valueOf(lspSigType);
         LspType lspType = LspType.valueOf(lspSigType);
         long localLspId = 0;
         long localLspId = 0;
@@ -564,19 +471,11 @@ public class PceManager implements PceService {
              */
              */
             localLspId = getNextLocalLspId();
             localLspId = getNextLocalLspId();
             annotationBuilder.set(LOCAL_LSP_ID, String.valueOf(localLspId));
             annotationBuilder.set(LOCAL_LSP_ID, String.valueOf(localLspId));
-
-            if (lspType == SR_WITHOUT_SIGNALLING) {
-                labelStack = srTeHandler.computeLabelStack(computedPath);
-                // Failed to form a label stack.
-                if (labelStack == null) {
-                    return false;
-                }
-            }
         }
         }
 
 
         Tunnel updatedTunnel = new DefaultTunnel(null, tunnel.src(), tunnel.dst(), MPLS, INIT, null, null,
         Tunnel updatedTunnel = new DefaultTunnel(null, tunnel.src(), tunnel.dst(), MPLS, INIT, null, null,
                                                  tunnel.tunnelName(), computedPath,
                                                  tunnel.tunnelName(), computedPath,
-                                                 labelStack, annotationBuilder.build());
+                                                 annotationBuilder.build());
 
 
         // Allocate shared bandwidth.
         // Allocate shared bandwidth.
         if (bwConstraintValue != 0) {
         if (bwConstraintValue != 0) {
@@ -597,20 +496,8 @@ public class PceManager implements PceService {
         }
         }
 
 
         if (consumerId != null) {
         if (consumerId != null) {
-            // Store tunnel consumer id in LSP-Label store.
-            PceccTunnelInfo pceccTunnelInfo = new PceccTunnelInfo(null, consumerId);
-            pceStore.addTunnelInfo(updatedTunnelId, pceccTunnelInfo);
-        }
-
-        // For CR cases, download labels and send update message.
-        if (lspType == WITHOUT_SIGNALLING_AND_WITHOUT_SR) {
-            Tunnel tunnelForlabelDownload = new DefaultTunnel(null, tunnel.src(), tunnel.dst(), MPLS, INIT, null,
-                                                              updatedTunnelId, tunnel.tunnelName(), computedPath,
-                                                              labelStack, annotationBuilder.build());
-
-            if (!crHandler.allocateLabel(tunnelForlabelDownload)) {
-                log.error("Unable to allocate labels for the tunnel {}.", tunnel.toString());
-            }
+            // Store tunnel consumer id in LSP store.
+            pceStore.addTunnelInfo(updatedTunnelId, consumerId);
         }
         }
 
 
         return true;
         return true;
@@ -626,12 +513,6 @@ public class PceManager implements PceService {
             return false;
             return false;
         }
         }
 
 
-        LspType lspType = LspType.valueOf(tunnel.annotations().value(LSP_SIG_TYPE));
-        // Release basic PCECC labels.
-        if (lspType == WITHOUT_SIGNALLING_AND_WITHOUT_SR) {
-            crHandler.releaseLabel(tunnel);
-        }
-
         // 2. Call tunnel service.
         // 2. Call tunnel service.
         return tunnelService.downTunnel(appId, tunnel.tunnelId());
         return tunnelService.downTunnel(appId, tunnel.tunnelId());
     }
     }
@@ -845,19 +726,19 @@ public class PceManager implements PceService {
             }
             }
         }
         }
 
 
-        if (isLinkShared) {
-            releaseSharedBandwidth(newTunnel, tunnel);
+        ResourceConsumer tunnelConsumerId = pceStore.getTunnelInfo(tunnel.tunnelId());
+        if (tunnelConsumerId == null) {
+            //If bandwidth for old tunnel is not allocated i,e 0 then no need to release
+            log.debug("Bandwidth not allocated (0 bandwidth) for old LSP.");
             return;
             return;
         }
         }
 
 
-        PceccTunnelInfo tunnelInfo = pceStore.getTunnelInfo(tunnel.tunnelId());
-        if (tunnelInfo == null || tunnelInfo.tunnelConsumerId() == null) {
-            //If bandwidth for old tunnel is not allocated i,e 0 then no need to release
+        if (isLinkShared) {
+            releaseSharedBandwidth(newTunnel, tunnel);
             return;
             return;
         }
         }
-        resourceService.release(tunnelInfo.tunnelConsumerId());
-        return;
 
 
+        resourceService.release(tunnelConsumerId);
         /*
         /*
          * Note: Storing of tunnel consumer id is done by caller of bandwidth reservation function. So deleting tunnel
          * Note: Storing of tunnel consumer id is done by caller of bandwidth reservation function. So deleting tunnel
          * consumer id should be done by caller of bandwidth releasing function. This will prevent ambiguities related
          * consumer id should be done by caller of bandwidth releasing function. This will prevent ambiguities related
@@ -871,16 +752,15 @@ public class PceManager implements PceService {
      */
      */
     private synchronized void releaseSharedBandwidth(Tunnel newTunnel, Tunnel oldTunnel) {
     private synchronized void releaseSharedBandwidth(Tunnel newTunnel, Tunnel oldTunnel) {
         // 1. Release old tunnel's bandwidth.
         // 1. Release old tunnel's bandwidth.
-        resourceService.release(pceStore.getTunnelInfo(oldTunnel.tunnelId()).tunnelConsumerId());
+        resourceService.release(pceStore.getTunnelInfo(oldTunnel.tunnelId()));
 
 
         // 2. Release new tunnel's bandwidth, if new tunnel bandwidth is allocated
         // 2. Release new tunnel's bandwidth, if new tunnel bandwidth is allocated
-        PceccTunnelInfo tunnelInfo = pceStore.getTunnelInfo(newTunnel.tunnelId());
-        if (tunnelInfo == null || tunnelInfo.tunnelConsumerId() == null) {
+        ResourceConsumer consumer = pceStore.getTunnelInfo(newTunnel.tunnelId());
+        if (consumer == null) {
             //If bandwidth for new tunnel is not allocated i,e 0 then no need to allocate
             //If bandwidth for new tunnel is not allocated i,e 0 then no need to allocate
             return;
             return;
         }
         }
 
 
-        ResourceConsumer consumer = tunnelInfo.tunnelConsumerId();
         resourceService.release(consumer);
         resourceService.release(consumer);
 
 
         // 3. Allocate new tunnel's complete bandwidth.
         // 3. Allocate new tunnel's complete bandwidth.
@@ -895,245 +775,6 @@ public class PceManager implements PceService {
         }
         }
     }
     }
 
 
-    /**
-     * Allocates node label to specific device.
-     *
-     * @param specificDevice device to which node label needs to be allocated
-     */
-    public void allocateNodeLabel(Device specificDevice) {
-        checkNotNull(specificDevice, DEVICE_NULL);
-
-        DeviceId deviceId = specificDevice.id();
-
-        // Retrieve lsrId of a specific device
-        if (specificDevice.annotations() == null) {
-            log.debug("Device {} does not have annotations.", specificDevice.toString());
-            return;
-        }
-
-        String lsrId = specificDevice.annotations().value(LSRID);
-        if (lsrId == null) {
-            log.debug("Unable to retrieve lsr-id of a device {}.", specificDevice.toString());
-            return;
-        }
-
-        // Get capability config from netconfig
-        DeviceCapability cfg = netCfgService.getConfig(DeviceId.deviceId(lsrId), DeviceCapability.class);
-        if (cfg == null) {
-            log.error("Unable to find corresponding capability for a lsrd {} from NetConfig.", lsrId);
-            // Save info. When PCEP session is comes up then allocate node-label
-            lsrIdDeviceIdMap.put(lsrId, specificDevice.id());
-            return;
-        }
-
-        // Check whether device has SR-TE Capability
-        if (cfg.labelStackCap()) {
-            srTeHandler.allocateNodeLabel(deviceId, lsrId);
-        }
-    }
-
-    /**
-     * Releases node label of a specific device.
-     *
-     * @param specificDevice this device label and lsr-id information will be
-     *            released in other existing devices
-     */
-    public void releaseNodeLabel(Device specificDevice) {
-        checkNotNull(specificDevice, DEVICE_NULL);
-
-        DeviceId deviceId = specificDevice.id();
-
-        // Retrieve lsrId of a specific device
-        if (specificDevice.annotations() == null) {
-            log.debug("Device {} does not have annotations.", specificDevice.toString());
-            return;
-        }
-
-        String lsrId = specificDevice.annotations().value(LSRID);
-        if (lsrId == null) {
-            log.debug("Unable to retrieve lsr-id of a device {}.", specificDevice.toString());
-            return;
-        }
-
-        // Get capability config from netconfig
-        DeviceCapability cfg = netCfgService.getConfig(DeviceId.deviceId(lsrId), DeviceCapability.class);
-        if (cfg == null) {
-            log.error("Unable to find corresponding capabilty for a lsrd {} from NetConfig.", lsrId);
-            return;
-        }
-
-        // Check whether device has SR-TE Capability
-        if (cfg.labelStackCap()) {
-            if (!srTeHandler.releaseNodeLabel(deviceId, lsrId)) {
-                log.error("Unable to release node label for a device id {}.", deviceId.toString());
-            }
-        }
-    }
-
-    /**
-     * Allocates adjacency label for a link.
-     *
-     * @param link link
-     */
-    public void allocateAdjacencyLabel(Link link) {
-        checkNotNull(link, LINK_NULL);
-
-        Device specificDevice = deviceService.getDevice(link.src().deviceId());
-        DeviceId deviceId = specificDevice.id();
-
-        // Retrieve lsrId of a specific device
-        if (specificDevice.annotations() == null) {
-            log.debug("Device {} does not have annotations.", specificDevice.toString());
-            return;
-        }
-
-        String lsrId = specificDevice.annotations().value(LSRID);
-        if (lsrId == null) {
-            log.debug("Unable to retrieve lsr-id of a device {}.", specificDevice.toString());
-            return;
-        }
-
-        // Get capability config from netconfig
-        DeviceCapability cfg = netCfgService.getConfig(DeviceId.deviceId(lsrId), DeviceCapability.class);
-        if (cfg == null) {
-            log.error("Unable to find corresponding capabilty for a lsrd {} from NetConfig.", lsrId);
-            // Save info. When PCEP session comes up then allocate adjacency
-            // label
-            if (lsrIdDeviceIdMap.get(lsrId) != null) {
-                lsrIdDeviceIdMap.put(lsrId, specificDevice.id());
-            }
-            return;
-        }
-
-        // Check whether device has SR-TE Capability
-        if (cfg.labelStackCap()) {
-            srTeHandler.allocateAdjacencyLabel(link);
-        }
-
-        return;
-    }
-
-    /**
-     * Releases allocated adjacency label of a link.
-     *
-     * @param link link
-     */
-    public void releaseAdjacencyLabel(Link link) {
-        checkNotNull(link, LINK_NULL);
-
-        Device specificDevice = deviceService.getDevice(link.src().deviceId());
-        DeviceId deviceId = specificDevice.id();
-
-        // Retrieve lsrId of a specific device
-        if (specificDevice.annotations() == null) {
-            log.debug("Device {} does not have annotations.", specificDevice.toString());
-            return;
-        }
-
-        String lsrId = specificDevice.annotations().value(LSRID);
-        if (lsrId == null) {
-            log.debug("Unable to retrieve lsr-id of a device {}.", specificDevice.toString());
-            return;
-        }
-
-        // Get capability config from netconfig
-        DeviceCapability cfg = netCfgService.getConfig(DeviceId.deviceId(lsrId), DeviceCapability.class);
-        if (cfg == null) {
-            log.error("Unable to find corresponding capabilty for a lsrd {} from NetConfig.", lsrId);
-            return;
-        }
-
-        // Check whether device has SR-TE Capability
-        if (cfg.labelStackCap()) {
-            if (!srTeHandler.releaseAdjacencyLabel(link)) {
-                log.error("Unable to release adjacency labels for a link {}.", link.toString());
-                return;
-            }
-        }
-
-        return;
-    }
-
-    /*
-     * Handle device events.
-     */
-    private class InternalDeviceListener implements DeviceListener {
-        @Override
-        public void event(DeviceEvent event) {
-            Device specificDevice = (Device) event.subject();
-            if (specificDevice == null) {
-                log.error("Unable to find device from device event.");
-                return;
-            }
-
-            switch (event.type()) {
-
-            case DEVICE_ADDED:
-                // Node-label allocation is being done during Label DB Sync.
-                // So, when device is detected, no need to do node-label
-                // allocation.
-                String lsrId = specificDevice.annotations().value(LSRID);
-                if (lsrId != null) {
-                    pceStore.addLsrIdDevice(lsrId, specificDevice.id());
-
-                    // Search in failed DB sync store. If found, trigger label DB sync.
-                    DeviceId pccDeviceId = DeviceId.deviceId(lsrId);
-                    if (pceStore.hasPccLsr(pccDeviceId)) {
-                        log.debug("Continue to perform label DB sync for device {}.", pccDeviceId.toString());
-                        syncLabelDb(pccDeviceId);
-                        pceStore.removePccLsr(pccDeviceId);
-                    }
-                }
-                break;
-
-            case DEVICE_REMOVED:
-                // Release node-label
-                if (mastershipService.getLocalRole(specificDevice.id()) == MastershipRole.MASTER) {
-                    releaseNodeLabel(specificDevice);
-                }
-
-                if (specificDevice.annotations().value(LSRID) != null) {
-                    pceStore.removeLsrIdDevice(specificDevice.annotations().value(LSRID));
-                }
-
-                break;
-
-            default:
-                break;
-            }
-        }
-    }
-
-    /*
-     * Handle link events.
-     */
-    private class InternalLinkListener implements LinkListener {
-        @Override
-        public void event(LinkEvent event) {
-            Link link = (Link) event.subject();
-
-            switch (event.type()) {
-
-            case LINK_ADDED:
-                // Allocate adjacency label
-                if (mastershipService.getLocalRole(link.src().deviceId()) == MastershipRole.MASTER) {
-                    allocateAdjacencyLabel(link);
-                }
-                break;
-
-            case LINK_REMOVED:
-                // Release adjacency label
-                if (mastershipService.getLocalRole(link.src().deviceId()) == MastershipRole.MASTER) {
-                    releaseAdjacencyLabel(link);
-                }
-                break;
-
-            default:
-                break;
-            }
-        }
-    }
-
     // Listens on tunnel events.
     // Listens on tunnel events.
     private class InnerTunnelListener implements TunnelListener {
     private class InnerTunnelListener implements TunnelListener {
         @Override
         @Override
@@ -1155,37 +796,16 @@ public class PceManager implements PceService {
             case TUNNEL_ADDED:
             case TUNNEL_ADDED:
                 // Allocate bandwidth for non-initiated, delegated LSPs with non-zero bandwidth (learned LSPs).
                 // Allocate bandwidth for non-initiated, delegated LSPs with non-zero bandwidth (learned LSPs).
                 String pceInit = tunnel.annotations().value(PCE_INIT);
                 String pceInit = tunnel.annotations().value(PCE_INIT);
-                if (FALSE.equalsIgnoreCase(pceInit)
-                        && bwConstraintValue != 0) {
-                    reserveBandwidth(tunnel.path(), bwConstraintValue, null);
-                }
-                break;
-
-            case TUNNEL_UPDATED:
-                // Allocate/send labels for basic PCECC tunnels.
-                if ((tunnel.state() == ESTABLISHED) && (lspType == WITHOUT_SIGNALLING_AND_WITHOUT_SR)
-                        && (mastershipService.getLocalRole(tunnel.path().src().deviceId()) == MastershipRole.MASTER)) {
-                    if (!crHandler.allocateLabel(tunnel)) {
-                        log.error("Unable to allocate labels for a tunnel {}.", tunnel.toString());
+                if (FALSE.equalsIgnoreCase(pceInit) && bwConstraintValue != 0) {
+                    TunnelConsumerId consumerId = reserveBandwidth(tunnel.path(), bwConstraintValue, null);
+                    if (consumerId != null) {
+                        // Store tunnel consumer id in LSP store.
+                        pceStore.addTunnelInfo(tunnel.tunnelId(), consumerId);
                     }
                     }
                 }
                 }
-
-                //In CR case, release labels when new tunnel for it is updated.
-                if (lspType == WITHOUT_SIGNALLING_AND_WITHOUT_SR && tunnel.state() == ACTIVE
-                        && mastershipService.getLocalRole(tunnel.path().src().deviceId()) == MastershipRole.MASTER) {
-                    Collection<Tunnel> tunnels = tunnelService.queryTunnel(tunnel.src(), tunnel.dst());
-
-                    for (Tunnel t : tunnels) {
-                          if (tunnel.annotations().value(PLSP_ID).equals(t.annotations().value(PLSP_ID))
-                              && !tunnel.annotations().value(LOCAL_LSP_ID)
-                                  .equals(t.annotations().value(LOCAL_LSP_ID))) {
-                              // Release basic PCECC labels.
-                              crHandler.releaseLabel(t);
                 break;
                 break;
-                          }
-                    }
-                }
 
 
+            case TUNNEL_UPDATED:
                 if (tunnel.state() == UNSTABLE) {
                 if (tunnel.state() == UNSTABLE) {
                     /*
                     /*
                      * During LSP DB sync if PCC doesn't report LSP which was PCE initiated, it's state is turned into
                      * During LSP DB sync if PCC doesn't report LSP which was PCE initiated, it's state is turned into
@@ -1241,164 +861,6 @@ public class PceManager implements PceService {
         }
         }
     }
     }
 
 
-    private class InternalConfigListener implements NetworkConfigListener {
-
-        @Override
-        public void event(NetworkConfigEvent event) {
-
-            if ((event.type() == NetworkConfigEvent.Type.CONFIG_ADDED)
-                    && event.configClass().equals(DeviceCapability.class)) {
-
-                DeviceId deviceIdLsrId = (DeviceId) event.subject();
-                String lsrId = deviceIdLsrId.toString();
-                DeviceId deviceId = lsrIdDeviceIdMap.get(lsrId);
-                if (deviceId == null) {
-                    log.debug("Unable to find device id for a lsr-id {} from lsr-id and device-id map.", lsrId);
-                    return;
-                }
-
-                DeviceCapability cfg = netCfgService.getConfig(DeviceId.deviceId(lsrId), DeviceCapability.class);
-                if (cfg == null) {
-                    log.error("Unable to find corresponding capabilty for a lsrd {}.", lsrId);
-                    return;
-                }
-
-                if (cfg.labelStackCap()) {
-                    if (mastershipService.getLocalRole(deviceId) == MastershipRole.MASTER) {
-                        // Allocate node-label
-                        srTeHandler.allocateNodeLabel(deviceId, lsrId);
-
-                        // Allocate adjacency label to links which are
-                        // originated from this specific device id
-                        Set<Link> links = linkService.getDeviceEgressLinks(deviceId);
-                        for (Link link : links) {
-                            if (!srTeHandler.allocateAdjacencyLabel(link)) {
-                                return;
-                            }
-                        }
-                    }
-                }
-
-                // Remove lsrId info from map
-                lsrIdDeviceIdMap.remove(lsrId);
-            }
-        }
-    }
-
-    private boolean syncLabelDb(DeviceId deviceId) {
-        checkNotNull(deviceId);
-
-        DeviceId actualDevcieId = pceStore.getLsrIdDevice(deviceId.toString());
-        if (actualDevcieId == null) {
-            log.error("Device not available {}.", deviceId.toString());
-            pceStore.addPccLsr(deviceId);
-            return false;
-        }
-
-        Device specificDevice = deviceService.getDevice(actualDevcieId);
-        if (specificDevice == null) {
-            log.error("Unable to find device for specific device id {}.", actualDevcieId.toString());
-            return false;
-        }
-
-        if (pceStore.getGlobalNodeLabel(actualDevcieId) != null) {
-            Map<DeviceId, LabelResourceId> globalNodeLabelMap = pceStore.getGlobalNodeLabels();
-
-            for (Entry<DeviceId, LabelResourceId> entry : globalNodeLabelMap.entrySet()) {
-
-                // Convert from DeviceId to TunnelEndPoint
-                Device srcDevice = deviceService.getDevice(entry.getKey());
-
-                /*
-                 * If there is a slight difference in timing such that if device subsystem has removed the device but
-                 * PCE store still has it, just ignore such devices.
-                 */
-                if (srcDevice == null) {
-                    continue;
-                }
-
-                String srcLsrId = srcDevice.annotations().value(LSRID);
-                if (srcLsrId == null) {
-                    continue;
-                }
-
-                srTeHandler.advertiseNodeLabelRule(actualDevcieId,
-                                                   entry.getValue(),
-                                                   IpPrefix.valueOf(IpAddress.valueOf(srcLsrId), PREFIX_LENGTH),
-                                                   Objective.Operation.ADD, false);
-            }
-
-            Map<Link, LabelResourceId> adjLabelMap = pceStore.getAdjLabels();
-            for (Entry<Link, LabelResourceId> entry : adjLabelMap.entrySet()) {
-                if (entry.getKey().src().deviceId().equals(actualDevcieId)) {
-                    srTeHandler.installAdjLabelRule(actualDevcieId,
-                                                    entry.getValue(),
-                                                    entry.getKey().src().port(),
-                                                    entry.getKey().dst().port(),
-                                                    Objective.Operation.ADD);
-                }
-            }
-        }
-
-        srTeHandler.advertiseNodeLabelRule(actualDevcieId,
-                                           LabelResourceId.labelResourceId(0),
-                                           IpPrefix.valueOf(END_OF_SYNC_IP_PREFIX),
-                                           Objective.Operation.ADD, true);
-
-        log.debug("End of label DB sync for device {}", actualDevcieId);
-
-        if (mastershipService.getLocalRole(specificDevice.id()) == MastershipRole.MASTER) {
-            // Allocate node-label to this specific device.
-            allocateNodeLabel(specificDevice);
-
-            // Allocate adjacency label
-            Set<Link> links = linkService.getDeviceEgressLinks(specificDevice.id());
-            if (links != null) {
-                for (Link link : links) {
-                    allocateAdjacencyLabel(link);
-                }
-            }
-        }
-
-        return true;
-    }
-
-    // Process the packet received.
-    private class PcepPacketProcessor implements PacketProcessor {
-        // Process the packet received and in our case initiates the label DB sync.
-        @Override
-        public void process(PacketContext context) {
-            // Stop processing if the packet has been handled, since we
-            // can't do any more to it.
-            log.debug("Received trigger for label DB sync.");
-            if (context.isHandled()) {
-                return;
-            }
-
-            InboundPacket pkt = context.inPacket();
-            if (pkt == null) {
-                return;
-            }
-
-            Ethernet ethernet = pkt.parsed();
-            if (ethernet == null || ethernet.getEtherType() != Ethernet.TYPE_IPV4) {
-                return;
-            }
-
-            IPv4 ipPacket = (IPv4) ethernet.getPayload();
-            if (ipPacket == null || ipPacket.getProtocol() != IPv4.PROTOCOL_TCP) {
-                return;
-            }
-
-            TCP tcp = (TCP) ipPacket.getPayload();
-            if (tcp == null || tcp.getDestinationPort() != PCEP_PORT) {
-                return;
-            }
-
-            syncLabelDb(pkt.receivedFrom().deviceId());
-        }
-    }
-
     //Computes path from tunnel store and also path failed to setup.
     //Computes path from tunnel store and also path failed to setup.
     private void callForOptimization() {
     private void callForOptimization() {
         //Recompute the LSPs which it was delegated [LSPs stored in PCE store (failed paths)]
         //Recompute the LSPs which it was delegated [LSPs stored in PCE store (failed paths)]

@@ -19,9 +19,6 @@ import static com.google.common.base.Preconditions.checkNotNull;
 
 
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.ImmutableSet;
 
 
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
 import java.util.Map;
 import java.util.Map;
 import java.util.stream.Collectors;
 import java.util.stream.Collectors;
 
 
@@ -34,18 +31,13 @@ import org.apache.felix.scr.annotations.Service;
 
 
 import org.onlab.util.KryoNamespace;
 import org.onlab.util.KryoNamespace;
 import org.onosproject.incubator.net.tunnel.TunnelId;
 import org.onosproject.incubator.net.tunnel.TunnelId;
-import org.onosproject.incubator.net.resource.label.LabelResource;
-import org.onosproject.incubator.net.resource.label.LabelResourceId;
 import org.onosproject.net.intent.constraint.BandwidthConstraint;
 import org.onosproject.net.intent.constraint.BandwidthConstraint;
-import org.onosproject.net.DeviceId;
-import org.onosproject.net.Link;
 import org.onosproject.net.resource.ResourceConsumer;
 import org.onosproject.net.resource.ResourceConsumer;
 import org.onosproject.pce.pceservice.constraint.CapabilityConstraint;
 import org.onosproject.pce.pceservice.constraint.CapabilityConstraint;
 import org.onosproject.pce.pceservice.constraint.CostConstraint;
 import org.onosproject.pce.pceservice.constraint.CostConstraint;
 import org.onosproject.pce.pceservice.TunnelConsumerId;
 import org.onosproject.pce.pceservice.TunnelConsumerId;
 import org.onosproject.pce.pceservice.LspType;
 import org.onosproject.pce.pceservice.LspType;
 import org.onosproject.pce.pceservice.constraint.SharedBandwidthConstraint;
 import org.onosproject.pce.pceservice.constraint.SharedBandwidthConstraint;
-import org.onosproject.pce.pcestore.api.LspLocalLabelInfo;
 import org.onosproject.pce.pcestore.api.PceStore;
 import org.onosproject.pce.pcestore.api.PceStore;
 import org.onosproject.store.serializers.KryoNamespaces;
 import org.onosproject.store.serializers.KryoNamespaces;
 import org.onosproject.store.service.ConsistentMap;
 import org.onosproject.store.service.ConsistentMap;
@@ -62,42 +54,21 @@ import org.slf4j.LoggerFactory;
 @Component(immediate = true)
 @Component(immediate = true)
 @Service
 @Service
 public class DistributedPceStore implements PceStore {
 public class DistributedPceStore implements PceStore {
-
-    private static final String DEVICE_ID_NULL = "Device ID cannot be null";
-    private static final String DEVICE_LABEL_STORE_INFO_NULL = "Device Label Store cannot be null";
-    private static final String LABEL_RESOURCE_ID_NULL = "Label Resource Id cannot be null";
-    private static final String LABEL_RESOURCE_LIST_NULL = "Label Resource List cannot be null";
-    private static final String LABEL_RESOURCE_NULL = "Label Resource cannot be null";
-    private static final String LINK_NULL = "LINK cannot be null";
-    private static final String LSP_LOCAL_LABEL_INFO_NULL = "LSP Local Label Info cannot be null";
     private static final String PATH_INFO_NULL = "Path Info cannot be null";
     private static final String PATH_INFO_NULL = "Path Info cannot be null";
     private static final String PCECC_TUNNEL_INFO_NULL = "PCECC Tunnel Info cannot be null";
     private static final String PCECC_TUNNEL_INFO_NULL = "PCECC Tunnel Info cannot be null";
     private static final String TUNNEL_ID_NULL = "Tunnel Id cannot be null";
     private static final String TUNNEL_ID_NULL = "Tunnel Id cannot be null";
-    private static final String TUNNEL_CONSUMER_ID_NULL = "Tunnel consumer Id cannot be null";
 
 
     private final Logger log = LoggerFactory.getLogger(getClass());
     private final Logger log = LoggerFactory.getLogger(getClass());
 
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected StorageService storageService;
     protected StorageService storageService;
 
 
-    // Mapping device with global node label
-    private ConsistentMap<DeviceId, LabelResourceId> globalNodeLabelMap;
-
-    // Mapping link with adjacency label
-    private ConsistentMap<Link, LabelResourceId> adjLabelMap;
-
     // Mapping tunnel with device local info with tunnel consumer id
     // Mapping tunnel with device local info with tunnel consumer id
-    private ConsistentMap<TunnelId, PceccTunnelInfo> tunnelInfoMap;
+    private ConsistentMap<TunnelId, ResourceConsumer> tunnelInfoMap;
 
 
     // List of Failed path info
     // List of Failed path info
     private DistributedSet<PcePathInfo> failedPathSet;
     private DistributedSet<PcePathInfo> failedPathSet;
 
 
-    // Locally maintain LSRID to device id mapping for better performance.
-    private Map<String, DeviceId> lsrIdDeviceIdMap = new HashMap<>();
-
-    // List of PCC LSR ids whose BGP device information was not available to perform
-    // label db sync.
-    private HashSet<DeviceId> pendinglabelDbSyncPccMap = new HashSet();
     private static final Serializer SERIALIZER = Serializer
     private static final Serializer SERIALIZER = Serializer
             .using(new KryoNamespace.Builder().register(KryoNamespaces.API)
             .using(new KryoNamespace.Builder().register(KryoNamespaces.API)
                     .register(PcePathInfo.class)
                     .register(PcePathInfo.class)
@@ -112,36 +83,13 @@ public class DistributedPceStore implements PceStore {
 
 
     @Activate
     @Activate
     protected void activate() {
     protected void activate() {
-        globalNodeLabelMap = storageService.<DeviceId, LabelResourceId>consistentMapBuilder()
-                .withName("onos-pce-globalnodelabelmap")
-                .withSerializer(Serializer.using(
-                        new KryoNamespace.Builder()
-                                .register(KryoNamespaces.API)
-                                .register(LabelResourceId.class)
-                                .build()))
-                .build();
-
-        adjLabelMap = storageService.<Link, LabelResourceId>consistentMapBuilder()
-                .withName("onos-pce-adjlabelmap")
-                .withSerializer(Serializer.using(
-                        new KryoNamespace.Builder()
-                                .register(KryoNamespaces.API)
-                                .register(Link.class,
-                                          LabelResource.class,
-                                          LabelResourceId.class)
-                                .build()))
-                .build();
-
-        tunnelInfoMap = storageService.<TunnelId, PceccTunnelInfo>consistentMapBuilder()
+        tunnelInfoMap = storageService.<TunnelId, ResourceConsumer>consistentMapBuilder()
                 .withName("onos-pce-tunnelinfomap")
                 .withName("onos-pce-tunnelinfomap")
                 .withSerializer(Serializer.using(
                 .withSerializer(Serializer.using(
                         new KryoNamespace.Builder()
                         new KryoNamespace.Builder()
                                 .register(KryoNamespaces.API)
                                 .register(KryoNamespaces.API)
                                 .register(TunnelId.class,
                                 .register(TunnelId.class,
-                                          PceccTunnelInfo.class,
-                                          DefaultLspLocalLabelInfo.class,
-                                          TunnelConsumerId.class,
-                                          LabelResourceId.class)
+                                          TunnelConsumerId.class)
                                 .build()))
                                 .build()))
                 .build();
                 .build();
 
 
@@ -160,18 +108,6 @@ public class DistributedPceStore implements PceStore {
     }
     }
 
 
     @Override
     @Override
-    public boolean existsGlobalNodeLabel(DeviceId id) {
-        checkNotNull(id, DEVICE_ID_NULL);
-        return globalNodeLabelMap.containsKey(id);
-    }
-
-    @Override
-    public boolean existsAdjLabel(Link link) {
-        checkNotNull(link, LINK_NULL);
-        return adjLabelMap.containsKey(link);
-    }
-
-    @Override
     public boolean existsTunnelInfo(TunnelId tunnelId) {
     public boolean existsTunnelInfo(TunnelId tunnelId) {
         checkNotNull(tunnelId, TUNNEL_ID_NULL);
         checkNotNull(tunnelId, TUNNEL_ID_NULL);
         return tunnelInfoMap.containsKey(tunnelId);
         return tunnelInfoMap.containsKey(tunnelId);
@@ -184,16 +120,6 @@ public class DistributedPceStore implements PceStore {
     }
     }
 
 
     @Override
     @Override
-    public int getGlobalNodeLabelCount() {
-        return globalNodeLabelMap.size();
-    }
-
-    @Override
-    public int getAdjLabelCount() {
-        return adjLabelMap.size();
-    }
-
-    @Override
     public int getTunnelInfoCount() {
     public int getTunnelInfoCount() {
         return tunnelInfoMap.size();
         return tunnelInfoMap.size();
     }
     }
@@ -204,21 +130,9 @@ public class DistributedPceStore implements PceStore {
     }
     }
 
 
     @Override
     @Override
-    public Map<DeviceId, LabelResourceId> getGlobalNodeLabels() {
-       return globalNodeLabelMap.entrySet().stream()
-                 .collect(Collectors.toMap(Map.Entry::getKey, e -> (LabelResourceId) e.getValue().value()));
-    }
-
-    @Override
-    public Map<Link, LabelResourceId> getAdjLabels() {
-       return adjLabelMap.entrySet().stream()
-                 .collect(Collectors.toMap(Map.Entry::getKey, e -> (LabelResourceId) e.getValue().value()));
-    }
-
-    @Override
-    public Map<TunnelId, PceccTunnelInfo> getTunnelInfos() {
+    public Map<TunnelId, ResourceConsumer> getTunnelInfos() {
        return tunnelInfoMap.entrySet().stream()
        return tunnelInfoMap.entrySet().stream()
-                 .collect(Collectors.toMap(Map.Entry::getKey, e -> (PceccTunnelInfo) e.getValue().value()));
+                 .collect(Collectors.toMap(Map.Entry::getKey, e -> e.getValue().value()));
     }
     }
 
 
     @Override
     @Override
@@ -227,45 +141,17 @@ public class DistributedPceStore implements PceStore {
     }
     }
 
 
     @Override
     @Override
-    public LabelResourceId getGlobalNodeLabel(DeviceId id) {
-        checkNotNull(id, DEVICE_ID_NULL);
-        return globalNodeLabelMap.get(id) == null ? null : globalNodeLabelMap.get(id).value();
-    }
-
-    @Override
-    public LabelResourceId getAdjLabel(Link link) {
-        checkNotNull(link, LINK_NULL);
-        return adjLabelMap.get(link) == null ? null : adjLabelMap.get(link).value();
-    }
-
-    @Override
-    public PceccTunnelInfo getTunnelInfo(TunnelId tunnelId) {
+    public ResourceConsumer getTunnelInfo(TunnelId tunnelId) {
         checkNotNull(tunnelId, TUNNEL_ID_NULL);
         checkNotNull(tunnelId, TUNNEL_ID_NULL);
         return tunnelInfoMap.get(tunnelId) == null ? null : tunnelInfoMap.get(tunnelId).value();
         return tunnelInfoMap.get(tunnelId) == null ? null : tunnelInfoMap.get(tunnelId).value();
     }
     }
 
 
     @Override
     @Override
-    public void addGlobalNodeLabel(DeviceId deviceId, LabelResourceId labelId) {
-        checkNotNull(deviceId, DEVICE_ID_NULL);
-        checkNotNull(labelId, LABEL_RESOURCE_ID_NULL);
-
-        globalNodeLabelMap.put(deviceId, labelId);
-    }
-
-    @Override
-    public void addAdjLabel(Link link, LabelResourceId labelId) {
-        checkNotNull(link, LINK_NULL);
-        checkNotNull(labelId, LABEL_RESOURCE_ID_NULL);
-
-        adjLabelMap.put(link, labelId);
-    }
-
-    @Override
-    public void addTunnelInfo(TunnelId tunnelId, PceccTunnelInfo pceccTunnelInfo) {
+    public void addTunnelInfo(TunnelId tunnelId, ResourceConsumer tunnelConsumerId) {
         checkNotNull(tunnelId, TUNNEL_ID_NULL);
         checkNotNull(tunnelId, TUNNEL_ID_NULL);
-        checkNotNull(pceccTunnelInfo, PCECC_TUNNEL_INFO_NULL);
+        checkNotNull(tunnelConsumerId, PCECC_TUNNEL_INFO_NULL);
 
 
-        tunnelInfoMap.put(tunnelId, pceccTunnelInfo);
+        tunnelInfoMap.put(tunnelId, tunnelConsumerId);
     }
     }
 
 
     @Override
     @Override
@@ -275,62 +161,6 @@ public class DistributedPceStore implements PceStore {
     }
     }
 
 
     @Override
     @Override
-    public boolean updateTunnelInfo(TunnelId tunnelId, List<LspLocalLabelInfo> lspLocalLabelInfoList) {
-        checkNotNull(tunnelId, TUNNEL_ID_NULL);
-        checkNotNull(lspLocalLabelInfoList, LSP_LOCAL_LABEL_INFO_NULL);
-
-        if (!tunnelInfoMap.containsKey((tunnelId))) {
-            log.debug("Tunnel info does not exist whose tunnel id is {}.", tunnelId.toString());
-            return false;
-        }
-
-        PceccTunnelInfo tunnelInfo = tunnelInfoMap.get(tunnelId).value();
-        tunnelInfo.lspLocalLabelInfoList(lspLocalLabelInfoList);
-        tunnelInfoMap.put(tunnelId, tunnelInfo);
-
-        return true;
-    }
-
-    @Override
-    public boolean updateTunnelInfo(TunnelId tunnelId, ResourceConsumer tunnelConsumerId) {
-        checkNotNull(tunnelId, TUNNEL_ID_NULL);
-        checkNotNull(tunnelConsumerId, TUNNEL_CONSUMER_ID_NULL);
-
-        if (!tunnelInfoMap.containsKey((tunnelId))) {
-            log.debug("Tunnel info does not exist whose tunnel id is {}.", tunnelId.toString());
-            return false;
-        }
-
-        PceccTunnelInfo tunnelInfo = tunnelInfoMap.get(tunnelId).value();
-        tunnelInfo.tunnelConsumerId(tunnelConsumerId);
-        tunnelInfoMap.put(tunnelId, tunnelInfo);
-
-        return true;
-    }
-
-    @Override
-    public boolean removeGlobalNodeLabel(DeviceId id) {
-        checkNotNull(id, DEVICE_ID_NULL);
-
-        if (globalNodeLabelMap.remove(id) == null) {
-            log.error("SR-TE node label deletion for device {} has failed.", id.toString());
-            return false;
-        }
-        return true;
-    }
-
-    @Override
-    public boolean removeAdjLabel(Link link) {
-        checkNotNull(link, LINK_NULL);
-
-        if (adjLabelMap.remove(link) == null) {
-            log.error("Adjacency label deletion for link {} hash failed.", link.toString());
-            return false;
-        }
-        return true;
-    }
-
-    @Override
     public boolean removeTunnelInfo(TunnelId tunnelId) {
     public boolean removeTunnelInfo(TunnelId tunnelId) {
         checkNotNull(tunnelId, TUNNEL_ID_NULL);
         checkNotNull(tunnelId, TUNNEL_ID_NULL);
 
 
@@ -351,50 +181,4 @@ public class DistributedPceStore implements PceStore {
         }
         }
         return true;
         return true;
     }
     }
-
-    @Override
-    public boolean addLsrIdDevice(String lsrId, DeviceId deviceId) {
-        checkNotNull(lsrId);
-        checkNotNull(deviceId);
-
-        lsrIdDeviceIdMap.put(lsrId, deviceId);
-        return true;
-    }
-
-    @Override
-    public boolean removeLsrIdDevice(String lsrId) {
-        checkNotNull(lsrId);
-
-        lsrIdDeviceIdMap.remove(lsrId);
-        return true;
-    }
-
-    @Override
-    public DeviceId getLsrIdDevice(String lsrId) {
-        checkNotNull(lsrId);
-
-        return lsrIdDeviceIdMap.get(lsrId);
-
-    }
-
-    @Override
-    public boolean addPccLsr(DeviceId lsrId) {
-        checkNotNull(lsrId);
-        pendinglabelDbSyncPccMap.add(lsrId);
-        return true;
-    }
-
-    @Override
-    public boolean removePccLsr(DeviceId lsrId) {
-        checkNotNull(lsrId);
-        pendinglabelDbSyncPccMap.remove(lsrId);
-        return true;
-    }
-
-    @Override
-    public boolean hasPccLsr(DeviceId lsrId) {
-        checkNotNull(lsrId);
-        return pendinglabelDbSyncPccMap.contains(lsrId);
-
-    }
 }
 }

-/*
- * Copyright 2016-present Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.pce.pcestore;
-
-import com.google.common.base.MoreObjects;
-
-import java.util.Objects;
-import java.util.List;
-
-import org.onosproject.net.resource.ResourceConsumer;
-import org.onosproject.pce.pcestore.api.LspLocalLabelInfo;
-
-/**
- * PCECC tunnel information is used to store
- * list of links label information of a path containing IN, OUT label and destination port of a link
- * to release label allocation in devices.
- * Also storing resource consumer id to release bandwdith of a tunnel.
- * The first entry is created with TunnelId and resource consumer id,
- * later this entry may be updated to store label information on basic PCECC case.
- */
-public final class PceccTunnelInfo {
-
-    private List<LspLocalLabelInfo> lspLocalLabelInfoList;
-
-    private ResourceConsumer tunnelConsumerId;
-
-    /**
-     * Initialization of member variables.
-     *
-     * @param lspLocalLabelInfoList list of devices local label info
-     * @param tunnelConsumerId tunnel consumer id
-     */
-    public PceccTunnelInfo(List<LspLocalLabelInfo> lspLocalLabelInfoList,
-                                           ResourceConsumer tunnelConsumerId) {
-        this.lspLocalLabelInfoList = lspLocalLabelInfoList;
-        this.tunnelConsumerId = tunnelConsumerId;
-    }
-
-    /**
-     * Initialization for serialization.
-     */
-    public PceccTunnelInfo() {
-        this.lspLocalLabelInfoList = null;
-        this.tunnelConsumerId = null;
-    }
-
-    /**
-     * Retrieves list of devices local label info.
-     *
-     * @return list of devices local label info
-     */
-    public List<LspLocalLabelInfo> lspLocalLabelInfoList() {
-        return this.lspLocalLabelInfoList;
-    }
-
-    /**
-     * Retrieves tunnel consumer id.
-     *
-     * @return tunnel consumer id
-     */
-    public ResourceConsumer tunnelConsumerId() {
-       return this.tunnelConsumerId;
-    }
-
-    /**
-     * Sets list of local label info of a path.
-     *
-     * @param lspLocalLabelInfoList list of devices local label info
-     */
-    public void lspLocalLabelInfoList(List<LspLocalLabelInfo> lspLocalLabelInfoList) {
-       this.lspLocalLabelInfoList = lspLocalLabelInfoList;
-    }
-
-    /**
-     * Sets tunnel consumer id.
-     *
-     * @param id tunnel consumer id
-     */
-    public void tunnelConsumerId(ResourceConsumer id) {
-       this.tunnelConsumerId = id;
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(lspLocalLabelInfoList, tunnelConsumerId);
-    }
-
-    @Override
-    public boolean equals(Object obj) {
-        if (this == obj) {
-            return true;
-        }
-        if (obj instanceof PceccTunnelInfo) {
-            final PceccTunnelInfo other = (PceccTunnelInfo) obj;
-            return Objects.equals(this.lspLocalLabelInfoList, other.lspLocalLabelInfoList) &&
-                   Objects.equals(this.tunnelConsumerId, other.tunnelConsumerId);
-        }
-        return false;
-    }
-
-    @Override
-    public String toString() {
-        return MoreObjects.toStringHelper(getClass())
-                .omitNullValues()
-                .add("DeviceLabelInfoList", lspLocalLabelInfoList)
-                .add("TunnelConsumerId", tunnelConsumerId)
-                .toString();
-    }
-}

@@ -15,14 +15,8 @@
  */
  */
 package org.onosproject.pce.pcestore.api;
 package org.onosproject.pce.pcestore.api;
 
 
-import java.util.List;
-
-import org.onosproject.incubator.net.resource.label.LabelResourceId;
 import org.onosproject.incubator.net.tunnel.TunnelId;
 import org.onosproject.incubator.net.tunnel.TunnelId;
-import org.onosproject.net.DeviceId;
-import org.onosproject.net.Link;
 import org.onosproject.net.resource.ResourceConsumer;
 import org.onosproject.net.resource.ResourceConsumer;
-import org.onosproject.pce.pcestore.PceccTunnelInfo;
 import org.onosproject.pce.pcestore.PcePathInfo;
 import org.onosproject.pce.pcestore.PcePathInfo;
 
 
 import java.util.Map;
 import java.util.Map;
@@ -32,22 +26,6 @@ import java.util.Map;
  */
  */
 public interface PceStore {
 public interface PceStore {
     /**
     /**
-     * Checks whether device id is present in global node label store.
-     *
-     * @param id device id
-     * @return success of failure
-     */
-    boolean existsGlobalNodeLabel(DeviceId id);
-
-    /**
-     * Checks whether link is present in adjacency label store.
-     *
-     * @param link link between devices
-     * @return success of failure
-     */
-    boolean existsAdjLabel(Link link);
-
-    /**
      * Checks whether tunnel id is present in tunnel info store.
      * Checks whether tunnel id is present in tunnel info store.
      *
      *
      * @param tunnelId tunnel id
      * @param tunnelId tunnel id
@@ -64,20 +42,6 @@ public interface PceStore {
     boolean existsFailedPathInfo(PcePathInfo failedPathInfo);
     boolean existsFailedPathInfo(PcePathInfo failedPathInfo);
 
 
     /**
     /**
-     * Retrieves the node label count.
-     *
-     * @return node label count
-     */
-    int getGlobalNodeLabelCount();
-
-    /**
-     * Retrieves the adjacency label count.
-     *
-     * @return adjacency label count
-     */
-    int getAdjLabelCount();
-
-    /**
      * Retrieves the tunnel info count.
      * Retrieves the tunnel info count.
      *
      *
      * @return tunnel info count
      * @return tunnel info count
@@ -92,25 +56,11 @@ public interface PceStore {
     int getFailedPathInfoCount();
     int getFailedPathInfoCount();
 
 
     /**
     /**
-     * Retrieves device id and label pairs collection from global node label store.
-     *
-     * @return collection of device id and label pairs
-     */
-    Map<DeviceId, LabelResourceId> getGlobalNodeLabels();
-
-    /**
-     * Retrieves link and label pairs collection from adjacency label store.
-     *
-     * @return collection of link and label pairs
-     */
-    Map<Link, LabelResourceId> getAdjLabels();
-
-    /**
      * Retrieves tunnel id and pcecc tunnel info pairs collection from tunnel info store.
      * Retrieves tunnel id and pcecc tunnel info pairs collection from tunnel info store.
      *
      *
-     * @return collection of tunnel id and pcecc tunnel info pairs
+     * @return collection of tunnel id and resource consumer pairs
      */
      */
-    Map<TunnelId, PceccTunnelInfo> getTunnelInfos();
+    Map<TunnelId, ResourceConsumer> getTunnelInfos();
 
 
     /**
     /**
      * Retrieves path info collection from failed path info store.
      * Retrieves path info collection from failed path info store.
@@ -120,52 +70,20 @@ public interface PceStore {
     Iterable<PcePathInfo> getFailedPathInfos();
     Iterable<PcePathInfo> getFailedPathInfos();
 
 
     /**
     /**
-     * Retrieves node label for specified device id.
-     *
-     * @param id device id
-     * @return node label
-     */
-    LabelResourceId getGlobalNodeLabel(DeviceId id);
-
-    /**
-     * Retrieves adjacency label for specified link.
-     *
-     * @param link between devices
-     * @return adjacency label
-     */
-    LabelResourceId getAdjLabel(Link link);
-
-    /**
      * Retrieves local label info with tunnel consumer id from tunnel info store.
      * Retrieves local label info with tunnel consumer id from tunnel info store.
      *
      *
      * @param tunnelId tunnel id
      * @param tunnelId tunnel id
-     * @return pcecc tunnel info
-     */
-    PceccTunnelInfo getTunnelInfo(TunnelId tunnelId);
-
-    /**
-     * Stores node label into global node label store.
-     *
-     * @param deviceId device id
-     * @param labelId node label id
-     */
-    void addGlobalNodeLabel(DeviceId deviceId, LabelResourceId labelId);
-
-    /**
-     * Stores adjacency label into adjacency label store.
-     *
-     * @param link link between nodes
-     * @param labelId link label id
+     * @return resource consumer
      */
      */
-    void addAdjLabel(Link link, LabelResourceId labelId);
+    ResourceConsumer getTunnelInfo(TunnelId tunnelId);
 
 
     /**
     /**
      * Stores local label info with tunnel consumer id into tunnel info store for specified tunnel id.
      * Stores local label info with tunnel consumer id into tunnel info store for specified tunnel id.
      *
      *
      * @param tunnelId tunnel id
      * @param tunnelId tunnel id
-     * @param pceccTunnelInfo local label info
+     * @param tunnelConsumerId tunnel consumer id
      */
      */
-    void addTunnelInfo(TunnelId tunnelId, PceccTunnelInfo pceccTunnelInfo);
+    void addTunnelInfo(TunnelId tunnelId, ResourceConsumer tunnelConsumerId);
 
 
     /**
     /**
      * Stores path information into failed path info store.
      * Stores path information into failed path info store.
@@ -175,41 +93,6 @@ public interface PceStore {
     void addFailedPathInfo(PcePathInfo failedPathInfo);
     void addFailedPathInfo(PcePathInfo failedPathInfo);
 
 
     /**
     /**
-     * Updates local label info. The first entry is created with TunnelId and TunnelConsumerId.
-     * Later this entry may be updated to store label information if it is basic PCECC case.
-     *
-     * @param tunnelId tunnel id
-     * @param lspLocalLabelInfoList list of local labels
-     * @return success or failure
-     */
-    boolean updateTunnelInfo(TunnelId tunnelId, List<LspLocalLabelInfo> lspLocalLabelInfoList);
-
-    /**
-     * Updates tunnel info map with tunnel consumer id.
-     *
-     * @param tunnelId tunnel id
-     * @param tunnelConsumerId tunnel consumer id
-     * @return success or failure
-     */
-    boolean updateTunnelInfo(TunnelId tunnelId, ResourceConsumer tunnelConsumerId);
-
-    /**
-     * Removes device label from global node label store for specified device id.
-     *
-     * @param id device id
-     * @return success or failure
-     */
-    boolean removeGlobalNodeLabel(DeviceId id);
-
-    /**
-     * Removes adjacency label from adjacency label store for specified link information.
-     *
-     * @param link between nodes
-     * @return success or failure
-     */
-    boolean removeAdjLabel(Link link);
-
-    /**
      * Removes local label info with tunnel consumer id from tunnel info store for specified tunnel id.
      * Removes local label info with tunnel consumer id from tunnel info store for specified tunnel id.
      *
      *
      * @param tunnelId tunnel id
      * @param tunnelId tunnel id
@@ -224,54 +107,4 @@ public interface PceStore {
      * @return success or failure
      * @return success or failure
      */
      */
     boolean removeFailedPathInfo(PcePathInfo failedPathInfo);
     boolean removeFailedPathInfo(PcePathInfo failedPathInfo);
-
-    /**
-     * Adds lsrid to device id mapping.
-     *
-     * @param lsrId lsrId of the device
-     * @param deviceId device id
-     * @return success or failure
-     */
-    boolean addLsrIdDevice(String lsrId, DeviceId deviceId);
-
-    /**
-     * Removes lsrid to device id mapping.
-     *
-     * @param lsrId lsrId of the device
-     * @return success or failure
-     */
-    boolean removeLsrIdDevice(String lsrId);
-
-    /**
-     * Gets lsrid to device id mapping.
-     *
-     * @param lsrId lsrId of the device
-     * @return device id of the lsrId
-     */
-    DeviceId getLsrIdDevice(String lsrId);
-
-    /**
-     * Adds lsrId of the PCC in form of device id for the PCC for which sync is pending due to non-availability of BGP.
-     * device.
-     *
-     * @param lsrId LSR id of the PCC in form of device id
-     * @return success or failure
-     */
-    public boolean addPccLsr(DeviceId lsrId);
-
-    /**
-     * Removes lsrId of the PCC in form of device id for the PCC for which pending sync is done.
-     *
-     * @param lsrId LSR id of the PCC in form of device id
-     * @return success or failure
-     */
-    public boolean removePccLsr(DeviceId lsrId);
-
-    /**
-     * Gets lsrId of the PCC in form of device id.
-     *
-     * @param lsrId LSR id of the PCC in form of device id
-     * @return success or failure
-     */
-    public boolean hasPccLsr(DeviceId lsrId);
 }
 }

 package org.onosproject.pce.pceservice;
 package org.onosproject.pce.pceservice;
 
 
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.MatcherAssert.assertThat;
-import static org.hamcrest.Matchers.notNullValue;
-import static org.hamcrest.Matchers.nullValue;
 import static org.hamcrest.core.Is.is;
 import static org.hamcrest.core.Is.is;
 import static org.onlab.graph.GraphPathSearch.ALL_PATHS;
 import static org.onlab.graph.GraphPathSearch.ALL_PATHS;
 import static org.onosproject.incubator.net.tunnel.Tunnel.State.ESTABLISHED;
 import static org.onosproject.incubator.net.tunnel.Tunnel.State.ESTABLISHED;
 import static org.onosproject.incubator.net.tunnel.Tunnel.State.UNSTABLE;
 import static org.onosproject.incubator.net.tunnel.Tunnel.State.UNSTABLE;
-import static org.onosproject.net.Link.State.ACTIVE;
-import static org.onosproject.net.Link.Type.DIRECT;
 import static org.onosproject.net.MastershipRole.MASTER;
 import static org.onosproject.net.MastershipRole.MASTER;
 import static org.onosproject.net.resource.Resources.continuous;
 import static org.onosproject.net.resource.Resources.continuous;
 import static org.onosproject.pce.pceservice.LspType.SR_WITHOUT_SIGNALLING;
 import static org.onosproject.pce.pceservice.LspType.SR_WITHOUT_SIGNALLING;
@@ -22,13 +18,11 @@ import static org.onosproject.pce.pceservice.PathComputationTest.DEVICE1;
 import static org.onosproject.pce.pceservice.PathComputationTest.DEVICE2;
 import static org.onosproject.pce.pceservice.PathComputationTest.DEVICE2;
 import static org.onosproject.pce.pceservice.PathComputationTest.DEVICE3;
 import static org.onosproject.pce.pceservice.PathComputationTest.DEVICE3;
 import static org.onosproject.pce.pceservice.PathComputationTest.DEVICE4;
 import static org.onosproject.pce.pceservice.PathComputationTest.DEVICE4;
-import static org.onosproject.pce.pceservice.PceManager.PCEP_PORT;
 import static org.onosproject.pce.pceservice.PcepAnnotationKeys.LOCAL_LSP_ID;
 import static org.onosproject.pce.pceservice.PcepAnnotationKeys.LOCAL_LSP_ID;
 import static org.onosproject.pce.pceservice.PcepAnnotationKeys.PLSP_ID;
 import static org.onosproject.pce.pceservice.PcepAnnotationKeys.PLSP_ID;
 import static org.onosproject.pce.pceservice.constraint.CostConstraint.Type.COST;
 import static org.onosproject.pce.pceservice.constraint.CostConstraint.Type.COST;
 import static org.onosproject.pce.pceservice.constraint.CostConstraint.Type.TE_COST;
 import static org.onosproject.pce.pceservice.constraint.CostConstraint.Type.TE_COST;
 
 
-import java.net.URISyntaxException;
 import java.util.Collection;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashMap;
@@ -44,9 +38,6 @@ import org.junit.Test;
 import org.onlab.graph.GraphPathSearch;
 import org.onlab.graph.GraphPathSearch;
 import org.onlab.junit.TestUtils;
 import org.onlab.junit.TestUtils;
 import org.onlab.junit.TestUtils.TestUtilsException;
 import org.onlab.junit.TestUtils.TestUtilsException;
-import org.onlab.packet.Ethernet;
-import org.onlab.packet.IPv4;
-import org.onlab.packet.TCP;
 import org.onlab.util.Bandwidth;
 import org.onlab.util.Bandwidth;
 import org.onosproject.common.DefaultTopologyGraph;
 import org.onosproject.common.DefaultTopologyGraph;
 import org.onosproject.core.ApplicationId;
 import org.onosproject.core.ApplicationId;
@@ -54,9 +45,6 @@ import org.onosproject.core.CoreServiceAdapter;
 import org.onosproject.core.DefaultApplicationId;
 import org.onosproject.core.DefaultApplicationId;
 import org.onosproject.core.IdGenerator;
 import org.onosproject.core.IdGenerator;
 import org.onosproject.event.Event;
 import org.onosproject.event.Event;
-import org.onosproject.incubator.net.resource.label.LabelResourceAdminService;
-import org.onosproject.incubator.net.resource.label.LabelResourceId;
-import org.onosproject.incubator.net.resource.label.LabelResourceService;
 import org.onosproject.incubator.net.tunnel.DefaultTunnel;
 import org.onosproject.incubator.net.tunnel.DefaultTunnel;
 import org.onosproject.incubator.net.tunnel.Tunnel;
 import org.onosproject.incubator.net.tunnel.Tunnel;
 import org.onosproject.incubator.net.tunnel.Tunnel.State;
 import org.onosproject.incubator.net.tunnel.Tunnel.State;
@@ -67,34 +55,20 @@ import org.onosproject.incubator.net.tunnel.TunnelListener;
 import org.onosproject.mastership.MastershipServiceAdapter;
 import org.onosproject.mastership.MastershipServiceAdapter;
 import org.onosproject.net.AnnotationKeys;
 import org.onosproject.net.AnnotationKeys;
 import org.onosproject.net.Annotations;
 import org.onosproject.net.Annotations;
-import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DefaultAnnotations;
 import org.onosproject.net.DefaultAnnotations;
 import org.onosproject.net.DefaultAnnotations.Builder;
 import org.onosproject.net.DefaultAnnotations.Builder;
 import org.onosproject.net.DefaultDevice;
 import org.onosproject.net.DefaultDevice;
-import org.onosproject.net.DefaultLink;
 import org.onosproject.net.Device;
 import org.onosproject.net.Device;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.ElementId;
 import org.onosproject.net.ElementId;
 import org.onosproject.net.Link;
 import org.onosproject.net.Link;
 import org.onosproject.net.MastershipRole;
 import org.onosproject.net.MastershipRole;
 import org.onosproject.net.Path;
 import org.onosproject.net.Path;
-import org.onosproject.net.PortNumber;
 import org.onosproject.net.SparseAnnotations;
 import org.onosproject.net.SparseAnnotations;
-import org.onosproject.net.device.DeviceEvent;
-import org.onosproject.net.device.DeviceListener;
-import org.onosproject.net.flowobjective.ForwardingObjective;
 import org.onosproject.net.intent.Constraint;
 import org.onosproject.net.intent.Constraint;
 import org.onosproject.net.intent.IntentId;
 import org.onosproject.net.intent.IntentId;
 import org.onosproject.net.intent.constraint.BandwidthConstraint;
 import org.onosproject.net.intent.constraint.BandwidthConstraint;
 import org.onosproject.net.link.LinkEvent;
 import org.onosproject.net.link.LinkEvent;
-import org.onosproject.net.link.LinkListener;
-import org.onosproject.net.packet.DefaultInboundPacket;
-import org.onosproject.net.packet.DefaultPacketContext;
-import org.onosproject.net.packet.InboundPacket;
-import org.onosproject.net.packet.OutboundPacket;
-import org.onosproject.net.packet.PacketProcessor;
-import org.onosproject.net.packet.PacketService;
-import org.onosproject.net.packet.PacketServiceAdapter;
 import org.onosproject.net.provider.ProviderId;
 import org.onosproject.net.provider.ProviderId;
 import org.onosproject.net.resource.Resource;
 import org.onosproject.net.resource.Resource;
 import org.onosproject.net.topology.DefaultTopologyEdge;
 import org.onosproject.net.topology.DefaultTopologyEdge;
@@ -112,10 +86,7 @@ import org.onosproject.pce.pceservice.PathComputationTest.MockNetConfigRegistryA
 import org.onosproject.pce.pceservice.PathComputationTest.MockPathResourceService;
 import org.onosproject.pce.pceservice.PathComputationTest.MockPathResourceService;
 import org.onosproject.pce.pceservice.constraint.CostConstraint;
 import org.onosproject.pce.pceservice.constraint.CostConstraint;
 import org.onosproject.pce.pcestore.api.PceStore;
 import org.onosproject.pce.pcestore.api.PceStore;
-import org.onosproject.pce.util.FlowObjServiceAdapter;
-import org.onosproject.pce.util.LabelResourceAdapter;
 import org.onosproject.pce.util.MockDeviceService;
 import org.onosproject.pce.util.MockDeviceService;
-import org.onosproject.pce.util.MockLinkService;
 import org.onosproject.pce.util.PceStoreAdapter;
 import org.onosproject.pce.util.PceStoreAdapter;
 import org.onosproject.pce.util.TunnelServiceAdapter;
 import org.onosproject.pce.util.TunnelServiceAdapter;
 import org.onosproject.pcep.api.DeviceCapability;
 import org.onosproject.pcep.api.DeviceCapability;
@@ -137,14 +108,9 @@ public class PceManagerTest {
     private MockCoreService coreService = new MockCoreService();
     private MockCoreService coreService = new MockCoreService();
     private MockTunnelServiceAdapter tunnelService = new MockTunnelServiceAdapter();
     private MockTunnelServiceAdapter tunnelService = new MockTunnelServiceAdapter();
     private TestStorageService storageService = new TestStorageService();
     private TestStorageService storageService = new TestStorageService();
-    private PacketService packetService = new MockPacketService();
     private MockDeviceService deviceService = new MockDeviceService();
     private MockDeviceService deviceService = new MockDeviceService();
     private MockNetConfigRegistryAdapter netConfigRegistry = new PathComputationTest.MockNetConfigRegistryAdapter();
     private MockNetConfigRegistryAdapter netConfigRegistry = new PathComputationTest.MockNetConfigRegistryAdapter();
-    private MockLinkService linkService = new MockLinkService();
-    private MockFlowObjService flowObjectiveService = new MockFlowObjService();
     private PceStore pceStore = new PceStoreAdapter();
     private PceStore pceStore = new PceStoreAdapter();
-    private LabelResourceService labelResourceService = new LabelResourceAdapter();
-    private LabelResourceAdminService labelRsrcAdminService = new LabelResourceAdapter();
 
 
     public static ProviderId providerId = new ProviderId("pce", "foo");
     public static ProviderId providerId = new ProviderId("pce", "foo");
     private static final String L3 = "L3";
     private static final String L3 = "L3";
@@ -173,13 +139,8 @@ public class PceManagerTest {
         pceManager.tunnelService = tunnelService;
         pceManager.tunnelService = tunnelService;
         pceManager.coreService = coreService;
         pceManager.coreService = coreService;
         pceManager.storageService = storageService;
         pceManager.storageService = storageService;
-        pceManager.packetService = packetService;
         pceManager.deviceService = deviceService;
         pceManager.deviceService = deviceService;
-        pceManager.linkService = linkService;
         pceManager.netCfgService = netConfigRegistry;
         pceManager.netCfgService = netConfigRegistry;
-        pceManager.labelRsrcAdminService = labelRsrcAdminService;
-        pceManager.labelRsrcService = labelResourceService;
-        pceManager.flowObjectiveService = flowObjectiveService;
         pceManager.pceStore = pceStore;
         pceManager.pceStore = pceStore;
         pceManager.mastershipService = mastershipService;
         pceManager.mastershipService = mastershipService;
         pceManager.activate();
         pceManager.activate();
@@ -452,29 +413,6 @@ public class PceManagerTest {
     }
     }
 
 
     /**
     /**
-     * Tests path setup without failure for LSP with signalling and with bandwidth reservation.
-     */
-    @Test
-    public void setupPathTest11() {
-        build4RouterTopo(false, true, true, true, 15);
-        List<Constraint> constraints = new LinkedList<Constraint>();
-        BandwidthConstraint bwConstraint = new BandwidthConstraint(Bandwidth.bps(10.0));
-        CostConstraint costConstraint = new CostConstraint(TE_COST);
-
-        constraints.add(costConstraint);
-        constraints.add(bwConstraint);
-
-        LabelResourceId node1Label = LabelResourceId.labelResourceId(5200);
-        LabelResourceId node2Label = LabelResourceId.labelResourceId(5201);
-
-        pceManager.pceStore.addGlobalNodeLabel(D1.deviceId(), node1Label);
-        pceManager.pceStore.addGlobalNodeLabel(D2.deviceId(), node2Label);
-
-        boolean result = pceManager.setupPath(D1.deviceId(), D2.deviceId(), "T123", constraints, SR_WITHOUT_SIGNALLING);
-        assertThat(result, is(false));
-    }
-
-    /**
      * Tests path setup without signalling and with bandwidth reservation.
      * Tests path setup without signalling and with bandwidth reservation.
      */
      */
     @Test
     @Test
@@ -487,24 +425,6 @@ public class PceManagerTest {
         constraints.add(costConstraint);
         constraints.add(costConstraint);
         constraints.add(bwConstraint);
         constraints.add(bwConstraint);
 
 
-        LabelResourceId node1Label = LabelResourceId.labelResourceId(5200);
-        LabelResourceId node2Label = LabelResourceId.labelResourceId(5201);
-
-        pceManager.pceStore.addGlobalNodeLabel(D1.deviceId(), node1Label);
-        pceManager.pceStore.addGlobalNodeLabel(D2.deviceId(), node2Label);
-
-        LabelResourceId link1Label = LabelResourceId.labelResourceId(5202);
-        pceManager.pceStore.addAdjLabel(link1, link1Label);
-
-        LabelResourceId link2Label = LabelResourceId.labelResourceId(5203);
-        pceManager.pceStore.addAdjLabel(link2, link2Label);
-
-        LabelResourceId link3Label = LabelResourceId.labelResourceId(5204);
-        pceManager.pceStore.addAdjLabel(link3, link3Label);
-
-        LabelResourceId link4Label = LabelResourceId.labelResourceId(5205);
-        pceManager.pceStore.addAdjLabel(link4, link4Label);
-
         boolean result = pceManager.setupPath(D1.deviceId(), D2.deviceId(), "T123", constraints, SR_WITHOUT_SIGNALLING);
         boolean result = pceManager.setupPath(D1.deviceId(), D2.deviceId(), "T123", constraints, SR_WITHOUT_SIGNALLING);
         assertThat(result, is(true));
         assertThat(result, is(true));
     }
     }
@@ -572,24 +492,6 @@ public class PceManagerTest {
         CostConstraint costConstraint = new CostConstraint(TE_COST);
         CostConstraint costConstraint = new CostConstraint(TE_COST);
         constraints.add(costConstraint);
         constraints.add(costConstraint);
 
 
-        LabelResourceId node1Label = LabelResourceId.labelResourceId(5200);
-        LabelResourceId node2Label = LabelResourceId.labelResourceId(5201);
-
-        pceManager.pceStore.addGlobalNodeLabel(D1.deviceId(), node1Label);
-        pceManager.pceStore.addGlobalNodeLabel(D2.deviceId(), node2Label);
-
-        LabelResourceId link1Label = LabelResourceId.labelResourceId(5202);
-        pceManager.pceStore.addAdjLabel(link1, link1Label);
-
-        LabelResourceId link2Label = LabelResourceId.labelResourceId(5203);
-        pceManager.pceStore.addAdjLabel(link2, link2Label);
-
-        LabelResourceId link3Label = LabelResourceId.labelResourceId(5204);
-        pceManager.pceStore.addAdjLabel(link3, link3Label);
-
-        LabelResourceId link4Label = LabelResourceId.labelResourceId(5205);
-        pceManager.pceStore.addAdjLabel(link4, link4Label);
-
         boolean result = pceManager.setupPath(D1.deviceId(), D2.deviceId(), "T123", constraints, SR_WITHOUT_SIGNALLING);
         boolean result = pceManager.setupPath(D1.deviceId(), D2.deviceId(), "T123", constraints, SR_WITHOUT_SIGNALLING);
         assertThat(result, is(true));
         assertThat(result, is(true));
 
 
@@ -685,89 +587,6 @@ public class PceManagerTest {
     }
     }
 
 
     /**
     /**
-     * Tests packet in to trigger label DB sync.
-     */
-    @Test
-    public void packetProcessingTest1() throws URISyntaxException {
-
-        build4RouterTopo(false, true, true, true, 0); // This also initializes devices etc.
-
-        LabelResourceId node1Label = LabelResourceId.labelResourceId(5200);
-        LabelResourceId node2Label = LabelResourceId.labelResourceId(5201);
-
-        pceManager.pceStore.addLsrIdDevice(deviceD1.annotations().value(LSRID), deviceD1.id());
-        pceManager.pceStore.addGlobalNodeLabel(D1.deviceId(), node1Label);
-        pceManager.pceStore.addGlobalNodeLabel(D2.deviceId(), node2Label);
-
-        ConnectPoint src = new ConnectPoint(D1.deviceId(), PortNumber.portNumber(1));
-        ConnectPoint dst = new ConnectPoint(D2.deviceId(), PortNumber.portNumber(2));
-
-        Link link1 = DefaultLink.builder().src(src).dst(dst).state(ACTIVE).type(DIRECT)
-                .providerId(new ProviderId("eth", "1")).build();
-
-        LabelResourceId link1Label = LabelResourceId.labelResourceId(5204);
-        pceManager.pceStore.addAdjLabel(link1, link1Label);
-
-        TCP tcp = new TCP();
-        tcp.setDestinationPort(PCEP_PORT);
-
-        IPv4 ipv4 = new IPv4();
-        ipv4.setProtocol(IPv4.PROTOCOL_TCP);
-        ipv4.setPayload(tcp);
-
-        Ethernet eth = new Ethernet();
-        eth.setEtherType(Ethernet.TYPE_IPV4);
-        eth.setPayload(ipv4);
-
-        InboundPacket inPkt = new DefaultInboundPacket(new ConnectPoint(DeviceId.deviceId("1.1.1.1"),
-                                                                        PortNumber.portNumber(PCEP_PORT)),
-                                                       eth, null);
-
-        pktProcessor.process(new MockPcepPacketContext(inPkt, null));
-        assertThat(flowsDownloaded, is(4));
-    }
-
-    /**
-     * Tests faulty packet in to trigger label DB sync.
-     */
-    @Test
-    public void packetProcessingTest2() throws URISyntaxException {
-
-        build4RouterTopo(false, true, true, true, 0); // This also initializes devices etc.
-
-        LabelResourceId node1Label = LabelResourceId.labelResourceId(5200);
-        LabelResourceId node2Label = LabelResourceId.labelResourceId(5201);
-
-        pceManager.pceStore.addGlobalNodeLabel(D1.deviceId(), node1Label);
-        pceManager.pceStore.addGlobalNodeLabel(D2.deviceId(), node2Label);
-
-        ConnectPoint src = new ConnectPoint(D1.deviceId(), PortNumber.portNumber(1));
-        ConnectPoint dst = new ConnectPoint(D2.deviceId(), PortNumber.portNumber(2));
-
-        Link link1 = DefaultLink.builder().src(src).dst(dst).state(ACTIVE).type(DIRECT)
-                .providerId(new ProviderId("eth", "1")).build();
-
-        LabelResourceId link1Label = LabelResourceId.labelResourceId(5204);
-        pceManager.pceStore.addAdjLabel(link1, link1Label);
-
-        TCP tcp = new TCP(); // Not set the pcep port.
-        IPv4 ipv4 = new IPv4();
-        ipv4.setProtocol(IPv4.PROTOCOL_TCP);
-        ipv4.setPayload(tcp);
-
-        Ethernet eth = new Ethernet();
-        eth.setEtherType(Ethernet.TYPE_IPV4);
-        eth.setPayload(ipv4);
-
-        InboundPacket inPkt = new DefaultInboundPacket(new ConnectPoint(D1.deviceId(),
-                                                                        PortNumber.portNumber(PCEP_PORT)),
-                                                       eth, null);
-
-        pktProcessor.process(new MockPcepPacketContext(inPkt, null));
-        assertThat(flowsDownloaded, is(0));
-    }
-
-    /**
      * Tests tunnel events added and removed.
      * Tests tunnel events added and removed.
      */
      */
     @Test
     @Test
@@ -780,24 +599,6 @@ public class PceManagerTest {
         constraints.add(costConstraint);
         constraints.add(costConstraint);
         constraints.add(bwConstraint);
         constraints.add(bwConstraint);
 
 
-        LabelResourceId node1Label = LabelResourceId.labelResourceId(5200);
-        LabelResourceId node2Label = LabelResourceId.labelResourceId(5201);
-
-        pceManager.pceStore.addGlobalNodeLabel(D1.deviceId(), node1Label);
-        pceManager.pceStore.addGlobalNodeLabel(D2.deviceId(), node2Label);
-
-        LabelResourceId link1Label = LabelResourceId.labelResourceId(5202);
-        pceManager.pceStore.addAdjLabel(link1, link1Label);
-
-        LabelResourceId link2Label = LabelResourceId.labelResourceId(5203);
-        pceManager.pceStore.addAdjLabel(link2, link2Label);
-
-        LabelResourceId link3Label = LabelResourceId.labelResourceId(5204);
-        pceManager.pceStore.addAdjLabel(link3, link3Label);
-
-        LabelResourceId link4Label = LabelResourceId.labelResourceId(5205);
-        pceManager.pceStore.addAdjLabel(link4, link4Label);
-
         pceManager.setupPath(D1.deviceId(), D2.deviceId(), "T1", constraints, SR_WITHOUT_SIGNALLING);
         pceManager.setupPath(D1.deviceId(), D2.deviceId(), "T1", constraints, SR_WITHOUT_SIGNALLING);
         assertThat(pceStore.getTunnelInfoCount(), is(1));
         assertThat(pceStore.getTunnelInfoCount(), is(1));
 
 
@@ -1276,86 +1077,6 @@ public class PceManagerTest {
         assertThat(pathService.paths().iterator().next().cost(), is((double) 180));
         assertThat(pathService.paths().iterator().next().cost(), is((double) 180));
     }
     }
 
 
-    /*
-     * Tests node label allocation/removal in SR-TE case based on device event.
-     */
-    @Test
-    public void deviceEventTest() {
-        // Make four router topology with SR-TE capabilities.
-        build4RouterTopo(true, false, true, true, 0);
-
-        // Add new L3 device
-        DefaultAnnotations.Builder builderDev5 = DefaultAnnotations.builder();
-        builderDev5.set(AnnotationKeys.TYPE, L3);
-        builderDev5.set(LSRID, "5.5.5.5");
-
-        Device dev5 = new MockDevice(DeviceId.deviceId("P005"), builderDev5.build());
-        deviceService.addDevice(dev5);
-
-        // Add capability
-        DeviceCapability device5Cap = netConfigRegistry.addConfig(DeviceId.deviceId("5.5.5.5"), DeviceCapability.class);
-        device5Cap.setLabelStackCap(true)
-                .setLocalLabelCap(false)
-                .setSrCap(true)
-                .apply();
-
-        // Get listener
-        DeviceListener listener = deviceService.getListener();
-
-        // Generate Remove events
-        deviceService.removeDevice(dev5);
-        DeviceEvent event = new DeviceEvent(DeviceEvent.Type.DEVICE_REMOVED, dev5);
-        listener.event(event);
-
-        assertThat(pceStore.getGlobalNodeLabel(dev5.id()), is(nullValue()));
-    }
-
-    /**
-     * Tests adjacency label allocation/removal in SR-TE case based on link event.
-     */
-    @Test
-    public void linkEventTest() {
-        // Make four router topology with SR-TE capabilities.
-        build4RouterTopo(true, false, true, true, 0);
-
-        // Get listener
-        LinkListener listener = linkService.getListener();
-
-        // Adding link3
-        linkService.addLink(link3);
-
-        // Generate events
-        LinkEvent event = new LinkEvent(LinkEvent.Type.LINK_ADDED, link3);
-        listener.event(event);
-
-        assertThat(pceStore.getAdjLabel(link3), is(notNullValue()));
-
-        // Adding link4
-        linkService.addLink(link4);
-
-        event = new LinkEvent(LinkEvent.Type.LINK_ADDED, link4);
-        listener.event(event);
-
-        assertThat(pceStore.getAdjLabel(link4), is(notNullValue()));
-
-        // Remove link3
-        linkService.removeLink(link3);
-
-        // Generate events
-        event = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link3);
-        listener.event(event);
-
-        assertThat(pceStore.getAdjLabel(link3), is(nullValue()));
-
-        // Remove link4
-        linkService.removeLink(link4);
-
-        event = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link4);
-        listener.event(event);
-
-        assertThat(pceStore.getAdjLabel(link4), is(nullValue()));
-    }
-
     @After
     @After
     public void tearDown() {
     public void tearDown() {
         pceManager.deactivate();
         pceManager.deactivate();
@@ -1364,13 +1085,8 @@ public class PceManagerTest {
         pceManager.tunnelService = null;
         pceManager.tunnelService = null;
         pceManager.coreService = null;
         pceManager.coreService = null;
         pceManager.storageService = null;
         pceManager.storageService = null;
-        pceManager.packetService = null;
         pceManager.deviceService = null;
         pceManager.deviceService = null;
-        pceManager.linkService = null;
         pceManager.netCfgService = null;
         pceManager.netCfgService = null;
-        pceManager.labelRsrcAdminService = null;
-        pceManager.labelRsrcService = null;
-        pceManager.flowObjectiveService = null;
         pceManager.pceStore = null;
         pceManager.pceStore = null;
         pceManager.topologyService = null;
         pceManager.topologyService = null;
         pceManager.mastershipService = null;
         pceManager.mastershipService = null;
@@ -1588,31 +1304,4 @@ public class PceManagerTest {
             super(null, id, null, null, null, null, null, null, annotations);
             super(null, id, null, null, null, null, null, null, annotations);
         }
         }
     }
     }
-
-    private PacketProcessor pktProcessor = null;
-
-    private class MockPacketService extends PacketServiceAdapter {
-        @Override
-        public void addProcessor(PacketProcessor processor, int priority) {
-            pktProcessor = processor;
-        }
-    }
-
-    // Minimal PacketContext to make core and applications happy.
-    final class MockPcepPacketContext extends DefaultPacketContext {
-        private MockPcepPacketContext(InboundPacket inPkt, OutboundPacket outPkt) {
-            super(System.currentTimeMillis(), inPkt, outPkt, false);
-        }
-
-        @Override
-        public void send() {
-        }
-    }
-
-    public static class MockFlowObjService extends FlowObjServiceAdapter {
-        @Override
-        public void forward(DeviceId deviceId, ForwardingObjective forwardingObjective) {
-            ++flowsDownloaded;
-        }
-    }
 }
 }

@@ -30,15 +30,12 @@ import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.Test;
 
 
 import org.onlab.util.DataRateUnit;
 import org.onlab.util.DataRateUnit;
-import org.onosproject.incubator.net.resource.label.DefaultLabelResource;
-import org.onosproject.incubator.net.resource.label.LabelResource;
 import org.onosproject.incubator.net.resource.label.LabelResourceId;
 import org.onosproject.incubator.net.resource.label.LabelResourceId;
 import org.onosproject.incubator.net.tunnel.TunnelId;
 import org.onosproject.incubator.net.tunnel.TunnelId;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DefaultAnnotations;
 import org.onosproject.net.DefaultAnnotations;
 import org.onosproject.net.DefaultLink;
 import org.onosproject.net.DefaultLink;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.DeviceId;
-import org.onosproject.net.ElementId;
 import org.onosproject.net.intent.Constraint;
 import org.onosproject.net.intent.Constraint;
 import org.onosproject.net.intent.constraint.BandwidthConstraint;
 import org.onosproject.net.intent.constraint.BandwidthConstraint;
 import org.onosproject.net.Link;
 import org.onosproject.net.Link;
@@ -46,7 +43,6 @@ import org.onosproject.net.PortNumber;
 import org.onosproject.net.resource.ResourceConsumer;
 import org.onosproject.net.resource.ResourceConsumer;
 import org.onosproject.pce.pceservice.LspType;
 import org.onosproject.pce.pceservice.LspType;
 import org.onosproject.pce.pceservice.TunnelConsumerId;
 import org.onosproject.pce.pceservice.TunnelConsumerId;
-import org.onosproject.pce.pcestore.api.LspLocalLabelInfo;
 import org.onosproject.net.provider.ProviderId;
 import org.onosproject.net.provider.ProviderId;
 import org.onosproject.store.service.TestStorageService;
 import org.onosproject.store.service.TestStorageService;
 
 
@@ -68,24 +64,18 @@ public class DistributedPceStoreTest {
     private PortNumber portNumber2 = PortNumber.portNumber(2);
     private PortNumber portNumber2 = PortNumber.portNumber(2);
     private PortNumber portNumber3 = PortNumber.portNumber(3);
     private PortNumber portNumber3 = PortNumber.portNumber(3);
     private PortNumber portNumber4 = PortNumber.portNumber(4);
     private PortNumber portNumber4 = PortNumber.portNumber(4);
-    private ConnectPoint srcConnectionPoint1 = new ConnectPoint((ElementId) deviceId1, portNumber1);
-    private ConnectPoint dstConnectionPoint2 = new ConnectPoint((ElementId) deviceId2, portNumber2);
-    private ConnectPoint srcConnectionPoint3 = new ConnectPoint((ElementId) deviceId3, portNumber3);
-    private ConnectPoint dstConnectionPoint4 = new ConnectPoint((ElementId) deviceId4, portNumber4);
-    private LabelResource labelResource1 = new DefaultLabelResource(deviceId1, labelId1);
-    private LabelResource labelResource2 = new DefaultLabelResource(deviceId2, labelId2);
-    private LabelResource labelResource3 = new DefaultLabelResource(deviceId3, labelId3);
-    private LabelResource labelResource4 = new DefaultLabelResource(deviceId4, labelId4);
+    private ConnectPoint srcConnectionPoint1 = new ConnectPoint(deviceId1, portNumber1);
+    private ConnectPoint dstConnectionPoint2 = new ConnectPoint(deviceId2, portNumber2);
+    private ConnectPoint srcConnectionPoint3 = new ConnectPoint(deviceId3, portNumber3);
+    private ConnectPoint dstConnectionPoint4 = new ConnectPoint(deviceId4, portNumber4);
     private Link link1;
     private Link link1;
     private Link link2;
     private Link link2;
-    private List<LabelResource> labelList1 = new LinkedList<>();
-    private List<LabelResource> labelList2 = new LinkedList<>();
     private TunnelId tunnelId1 = TunnelId.valueOf("1");
     private TunnelId tunnelId1 = TunnelId.valueOf("1");
     private TunnelId tunnelId2 = TunnelId.valueOf("2");
     private TunnelId tunnelId2 = TunnelId.valueOf("2");
     private TunnelId tunnelId3 = TunnelId.valueOf("3");
     private TunnelId tunnelId3 = TunnelId.valueOf("3");
     private TunnelId tunnelId4 = TunnelId.valueOf("4");
     private TunnelId tunnelId4 = TunnelId.valueOf("4");
-    private PceccTunnelInfo pceccTunnelInfo1;
-    private PceccTunnelInfo pceccTunnelInfo2;
+    private ResourceConsumer tunnelConsumerId1 = TunnelConsumerId.valueOf(10);
+    private ResourceConsumer tunnelConsumerId2 = TunnelConsumerId.valueOf(20);
     private PcePathInfo failedPathInfo1;
     private PcePathInfo failedPathInfo1;
     private PcePathInfo failedPathInfo2;
     private PcePathInfo failedPathInfo2;
     private PcePathInfo failedPathInfo3;
     private PcePathInfo failedPathInfo3;
@@ -120,44 +110,6 @@ public class DistributedPceStoreTest {
                           .type(Link.Type.DIRECT)
                           .type(Link.Type.DIRECT)
                           .state(Link.State.ACTIVE)
                           .state(Link.State.ACTIVE)
                           .build();
                           .build();
-       labelList1.add(labelResource1);
-       labelList1.add(labelResource2);
-       labelList2.add(labelResource3);
-       labelList2.add(labelResource4);
-
-       // Create pceccTunnelInfo1
-       List<LspLocalLabelInfo> lspLocalLabelInfoList1 = new LinkedList<>();
-       ResourceConsumer tunnelConsumerId1 = TunnelConsumerId.valueOf(10);
-
-       DeviceId deviceId1 = DeviceId.deviceId("foo");
-       LabelResourceId inLabelId1 = LabelResourceId.labelResourceId(1);
-       LabelResourceId outLabelId1 = LabelResourceId.labelResourceId(2);
-
-       LspLocalLabelInfo lspLocalLabel1 = DefaultLspLocalLabelInfo.builder()
-               .deviceId(deviceId1)
-               .inLabelId(inLabelId1)
-               .outLabelId(outLabelId1)
-               .build();
-       lspLocalLabelInfoList1.add(lspLocalLabel1);
-
-       pceccTunnelInfo1 = new PceccTunnelInfo(lspLocalLabelInfoList1, tunnelConsumerId1);
-
-       // Create pceccTunnelInfo2
-       List<LspLocalLabelInfo> lspLocalLabelInfoList2 = new LinkedList<>();
-       ResourceConsumer tunnelConsumerId2 = TunnelConsumerId.valueOf(20);
-
-       DeviceId deviceId2 = DeviceId.deviceId("foo");
-       LabelResourceId inLabelId2 = LabelResourceId.labelResourceId(3);
-       LabelResourceId outLabelId2 = LabelResourceId.labelResourceId(4);
-
-       LspLocalLabelInfo lspLocalLabel2 = DefaultLspLocalLabelInfo.builder()
-               .deviceId(deviceId2)
-               .inLabelId(inLabelId2)
-               .outLabelId(outLabelId2)
-               .build();
-       lspLocalLabelInfoList2.add(lspLocalLabel2);
-
-       pceccTunnelInfo2 = new PceccTunnelInfo(lspLocalLabelInfoList2, tunnelConsumerId2);
 
 
        // Creates failedPathInfo1
        // Creates failedPathInfo1
        DeviceId src1 = DeviceId.deviceId("foo1");
        DeviceId src1 = DeviceId.deviceId("foo1");
@@ -209,42 +161,6 @@ public class DistributedPceStoreTest {
     }
     }
 
 
     /**
     /**
-     * Checks the operation of addGlobalNodeLabel() method.
-     */
-    @Test
-    public void testAddGlobalNodeLabel() {
-        // initialization
-        distrPceStore.storageService = new TestStorageService();
-        distrPceStore.activate();
-
-        // add device with label
-        distrPceStore.addGlobalNodeLabel(deviceId1, labelId1);
-        assertThat(distrPceStore.existsGlobalNodeLabel(deviceId1), is(true));
-        assertThat(distrPceStore.getGlobalNodeLabel(deviceId1), is(labelId1));
-        distrPceStore.addGlobalNodeLabel(deviceId2, labelId2);
-        assertThat(distrPceStore.existsGlobalNodeLabel(deviceId2), is(true));
-        assertThat(distrPceStore.getGlobalNodeLabel(deviceId2), is(labelId2));
-    }
-
-    /**
-     * Checks the operation of addAdjLabel() method.
-     */
-    @Test
-    public void testAddAdjLabel() {
-        // initialization
-        distrPceStore.storageService = new TestStorageService();
-        distrPceStore.activate();
-
-        // link with list of labels
-        distrPceStore.addAdjLabel(link1, labelId1);
-        assertThat(distrPceStore.existsAdjLabel(link1), is(true));
-        assertThat(distrPceStore.getAdjLabel(link1), is(labelId1));
-        distrPceStore.addAdjLabel(link2, labelId2);
-        assertThat(distrPceStore.existsAdjLabel(link2), is(true));
-        assertThat(distrPceStore.getAdjLabel(link2), is(labelId2));
-    }
-
-    /**
      * Checks the operation of addTunnelInfo() method.
      * Checks the operation of addTunnelInfo() method.
      */
      */
     @Test
     @Test
@@ -254,12 +170,12 @@ public class DistributedPceStoreTest {
         distrPceStore.activate();
         distrPceStore.activate();
 
 
         // TunnelId with device label store information
         // TunnelId with device label store information
-        distrPceStore.addTunnelInfo(tunnelId1, pceccTunnelInfo1);
+        distrPceStore.addTunnelInfo(tunnelId1, tunnelConsumerId1);
         assertThat(distrPceStore.existsTunnelInfo(tunnelId1), is(true));
         assertThat(distrPceStore.existsTunnelInfo(tunnelId1), is(true));
-        assertThat(distrPceStore.getTunnelInfo(tunnelId1), is(pceccTunnelInfo1));
-        distrPceStore.addTunnelInfo(tunnelId2, pceccTunnelInfo2);
+        assertThat(distrPceStore.getTunnelInfo(tunnelId1), is(tunnelConsumerId1));
+        distrPceStore.addTunnelInfo(tunnelId2, tunnelConsumerId2);
         assertThat(distrPceStore.existsTunnelInfo(tunnelId2), is(true));
         assertThat(distrPceStore.existsTunnelInfo(tunnelId2), is(true));
-        assertThat(distrPceStore.getTunnelInfo(tunnelId2), is(pceccTunnelInfo2));
+        assertThat(distrPceStore.getTunnelInfo(tunnelId2), is(tunnelConsumerId2));
     }
     }
 
 
     /**
     /**
@@ -279,30 +195,6 @@ public class DistributedPceStoreTest {
     }
     }
 
 
     /**
     /**
-     * Checks the operation of existsGlobalNodeLabel() method.
-     */
-    @Test
-    public void testExistsGlobalNodeLabel() {
-        testAddGlobalNodeLabel();
-
-        assertThat(distrPceStore.existsGlobalNodeLabel(deviceId1), is(true));
-        assertThat(distrPceStore.existsGlobalNodeLabel(deviceId2), is(true));
-        assertThat(distrPceStore.existsGlobalNodeLabel(deviceId3), is(false));
-        assertThat(distrPceStore.existsGlobalNodeLabel(deviceId4), is(false));
-    }
-
-    /**
-     * Checks the operation of existsAdjLabel() method.
-     */
-    @Test
-    public void testExistsAdjLabel() {
-        testAddAdjLabel();
-
-        assertThat(distrPceStore.existsAdjLabel(link1), is(true));
-        assertThat(distrPceStore.existsAdjLabel(link2), is(true));
-    }
-
-    /**
      * Checks the operation of existsTunnelInfo() method.
      * Checks the operation of existsTunnelInfo() method.
      */
      */
     @Test
     @Test
@@ -329,26 +221,6 @@ public class DistributedPceStoreTest {
     }
     }
 
 
     /**
     /**
-     * Checks the operation of getGlobalNodeLabelCount() method.
-     */
-    @Test
-    public void testGetGlobalNodeLabelCount() {
-        testAddGlobalNodeLabel();
-
-        assertThat(distrPceStore.getGlobalNodeLabelCount(), is(2));
-    }
-
-    /**
-     * Checks the operation of getAdjLabelCount() method.
-     */
-    @Test
-    public void testGetAdjLabelCount() {
-        testAddAdjLabel();
-
-        assertThat(distrPceStore.getAdjLabelCount(), is(2));
-    }
-
-    /**
      * Checks the operation of getTunnelInfoCount() method.
      * Checks the operation of getTunnelInfoCount() method.
      */
      */
     @Test
     @Test
@@ -369,39 +241,13 @@ public class DistributedPceStoreTest {
     }
     }
 
 
     /**
     /**
-     * Checks the operation of getGlobalNodeLabels() method.
-     */
-    @Test
-    public void testGetGlobalNodeLabels() {
-        testAddGlobalNodeLabel();
-
-        Map<DeviceId, LabelResourceId> nodeLabelMap = distrPceStore.getGlobalNodeLabels();
-        assertThat(nodeLabelMap, is(notNullValue()));
-        assertThat(nodeLabelMap.isEmpty(), is(false));
-        assertThat(nodeLabelMap.size(), is(2));
-    }
-
-    /**
-     * Checks the operation of getAdjLabels() method.
-     */
-    @Test
-    public void testGetAdjLabels() {
-        testAddAdjLabel();
-
-        Map<Link, LabelResourceId> adjLabelMap = distrPceStore.getAdjLabels();
-        assertThat(adjLabelMap, is(notNullValue()));
-        assertThat(adjLabelMap.isEmpty(), is(false));
-        assertThat(adjLabelMap.size(), is(2));
-    }
-
-    /**
      * Checks the operation of getTunnelInfos() method.
      * Checks the operation of getTunnelInfos() method.
      */
      */
     @Test
     @Test
     public void testGetTunnelInfos() {
     public void testGetTunnelInfos() {
         testAddTunnelInfo();
         testAddTunnelInfo();
 
 
-        Map<TunnelId, PceccTunnelInfo> tunnelInfoMap = distrPceStore.getTunnelInfos();
+        Map<TunnelId, ResourceConsumer> tunnelInfoMap = distrPceStore.getTunnelInfos();
         assertThat(tunnelInfoMap, is(notNullValue()));
         assertThat(tunnelInfoMap, is(notNullValue()));
         assertThat(tunnelInfoMap.isEmpty(), is(false));
         assertThat(tunnelInfoMap.isEmpty(), is(false));
         assertThat(tunnelInfoMap.size(), is(2));
         assertThat(tunnelInfoMap.size(), is(2));
@@ -420,38 +266,6 @@ public class DistributedPceStoreTest {
     }
     }
 
 
     /**
     /**
-     * Checks the operation of getGlobalNodeLabel() method.
-     */
-    @Test
-    public void testGetGlobalNodeLabel() {
-        testAddGlobalNodeLabel();
-
-        // deviceId1 with labelId1
-        assertThat(deviceId1, is(notNullValue()));
-        assertThat(distrPceStore.getGlobalNodeLabel(deviceId1), is(labelId1));
-
-        // deviceId2 with labelId2
-        assertThat(deviceId2, is(notNullValue()));
-        assertThat(distrPceStore.getGlobalNodeLabel(deviceId2), is(labelId2));
-    }
-
-    /**
-     * Checks the operation of getAdjLabel() method.
-     */
-    @Test
-    public void testGetAdjLabel() {
-        testAddAdjLabel();
-
-        // link1 with labels
-        assertThat(link1, is(notNullValue()));
-        assertThat(distrPceStore.getAdjLabel(link1), is(labelId1));
-
-        // link2 with labels
-        assertThat(link2, is(notNullValue()));
-        assertThat(distrPceStore.getAdjLabel(link2), is(labelId2));
-    }
-
-    /**
      * Checks the operation of getTunnelInfo() method.
      * Checks the operation of getTunnelInfo() method.
      */
      */
     @Test
     @Test
@@ -460,88 +274,11 @@ public class DistributedPceStoreTest {
 
 
         // tunnelId1 with device label store info
         // tunnelId1 with device label store info
         assertThat(tunnelId1, is(notNullValue()));
         assertThat(tunnelId1, is(notNullValue()));
-        assertThat(distrPceStore.getTunnelInfo(tunnelId1), is(pceccTunnelInfo1));
+        assertThat(distrPceStore.getTunnelInfo(tunnelId1), is(tunnelConsumerId1));
 
 
         // tunnelId2 with device label store info
         // tunnelId2 with device label store info
         assertThat(tunnelId2, is(notNullValue()));
         assertThat(tunnelId2, is(notNullValue()));
-        assertThat(distrPceStore.getTunnelInfo(tunnelId2), is(pceccTunnelInfo2));
-    }
-
-    /**
-     * Checks the operation of updateTunnelInfo() method.
-     */
-    @Test
-    public void testUpdateTunnelInfo() {
-        // add tunnel info
-        testAddTunnelInfo();
-
-        // new updates
-        // Create pceccTunnelInfo3
-        List<LspLocalLabelInfo> lspLocalLabelInfoList3 = new LinkedList<>();
-        ResourceConsumer tunnelConsumerId3 = TunnelConsumerId.valueOf(30);
-
-        DeviceId deviceId3 = DeviceId.deviceId("goo");
-        LabelResourceId inLabelId3 = LabelResourceId.labelResourceId(3);
-        LabelResourceId outLabelId3 = LabelResourceId.labelResourceId(4);
-
-        LspLocalLabelInfo lspLocalLabel3 = DefaultLspLocalLabelInfo.builder()
-               .deviceId(deviceId3)
-               .inLabelId(inLabelId3)
-               .outLabelId(outLabelId3)
-               .build();
-        lspLocalLabelInfoList3.add(lspLocalLabel3);
-
-        PceccTunnelInfo pceccTunnelInfo3 = new PceccTunnelInfo(lspLocalLabelInfoList3, tunnelConsumerId3);
-
-        // Create pceccTunnelInfo4
-        List<LspLocalLabelInfo> lspLocalLabelInfoList4 = new LinkedList<>();
-        ResourceConsumer tunnelConsumerId4 = TunnelConsumerId.valueOf(40);
-
-        DeviceId deviceId4 = DeviceId.deviceId("goo");
-        LabelResourceId inLabelId4 = LabelResourceId.labelResourceId(4);
-        LabelResourceId outLabelId4 = LabelResourceId.labelResourceId(5);
-
-        LspLocalLabelInfo lspLocalLabel4 = DefaultLspLocalLabelInfo.builder()
-               .deviceId(deviceId4)
-               .inLabelId(inLabelId4)
-               .outLabelId(outLabelId4)
-               .build();
-        lspLocalLabelInfoList4.add(lspLocalLabel4);
-
-        PceccTunnelInfo pceccTunnelInfo4 = new PceccTunnelInfo(lspLocalLabelInfoList4, tunnelConsumerId4);
-
-        // update only lspLocalLabelInfoList
-        assertThat(distrPceStore.updateTunnelInfo(tunnelId1, lspLocalLabelInfoList3), is(true));
-        assertThat(distrPceStore.updateTunnelInfo(tunnelId2, lspLocalLabelInfoList4), is(true));
-
-        // update only tunnelConsumerId
-        assertThat(distrPceStore.updateTunnelInfo(tunnelId1, tunnelConsumerId3), is(true));
-        assertThat(distrPceStore.updateTunnelInfo(tunnelId2, tunnelConsumerId4), is(true));
-
-        assertThat(distrPceStore.getTunnelInfo(tunnelId1), is(pceccTunnelInfo3));
-        assertThat(distrPceStore.getTunnelInfo(tunnelId2), is(pceccTunnelInfo4));
-    }
-
-    /**
-     * Checks the operation of removeGlobalNodeLabel() method.
-     */
-    @Test
-    public void testRemoveGlobalNodeLabel() {
-        testAddGlobalNodeLabel();
-
-        assertThat(distrPceStore.removeGlobalNodeLabel(deviceId1), is(true));
-        assertThat(distrPceStore.removeGlobalNodeLabel(deviceId2), is(true));
-    }
-
-    /**
-     * Checks the operation of removeAdjLabel() method.
-     */
-    @Test
-    public void testRemoveAdjLabel() {
-        testAddAdjLabel();
-
-        assertThat(distrPceStore.removeAdjLabel(link1), is(true));
-        assertThat(distrPceStore.removeAdjLabel(link2), is(true));
+        assertThat(distrPceStore.getTunnelInfo(tunnelId2), is(tunnelConsumerId2));
     }
     }
 
 
     /**
     /**

-/*
- * Copyright 2016-present Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.pce.pcestore;
-
-import java.util.LinkedList;
-import java.util.List;
-
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.hamcrest.Matchers.is;
-
-import com.google.common.testing.EqualsTester;
-
-import org.junit.Test;
-import org.onosproject.incubator.net.resource.label.LabelResourceId;
-import org.onosproject.net.DeviceId;
-import org.onosproject.net.PortNumber;
-import org.onosproject.net.resource.ResourceConsumer;
-import org.onosproject.pce.pceservice.TunnelConsumerId;
-import org.onosproject.pce.pcestore.api.LspLocalLabelInfo;
-
-/**
- * Unit tests for PceccTunnelInfo class.
- */
-public class PceccTunnelInfoTest {
-
-   /**
-     * Checks the operation of equals() methods.
-     */
-    @Test
-    public void testEquals() {
-        // create same two objects.
-        List<LspLocalLabelInfo> lspLocalLabelList1 = new LinkedList<>();
-        ResourceConsumer tunnelConsumerId1 = TunnelConsumerId.valueOf(10);
-
-        // create object of DefaultLspLocalLabelInfo
-        DeviceId deviceId1 = DeviceId.deviceId("foo");
-        LabelResourceId inLabelId1 = LabelResourceId.labelResourceId(1);
-        LabelResourceId outLabelId1 = LabelResourceId.labelResourceId(2);
-        PortNumber inPort1 = PortNumber.portNumber(5122);
-        PortNumber outPort1 = PortNumber.portNumber(5123);
-
-        LspLocalLabelInfo lspLocalLabel1 = DefaultLspLocalLabelInfo.builder()
-                .deviceId(deviceId1)
-                .inLabelId(inLabelId1)
-                .outLabelId(outLabelId1)
-                .inPort(inPort1)
-                .outPort(outPort1)
-                .build();
-        lspLocalLabelList1.add(lspLocalLabel1);
-
-        PceccTunnelInfo pceccTunnelInfo1 = new PceccTunnelInfo(lspLocalLabelList1, tunnelConsumerId1);
-
-        // create same as above object
-        PceccTunnelInfo samePceccTunnelInfo1 = new PceccTunnelInfo(lspLocalLabelList1, tunnelConsumerId1);
-
-        // Create different object.
-        List<LspLocalLabelInfo> lspLocalLabelInfoList2 = new LinkedList<>();
-        ResourceConsumer tunnelConsumerId2 = TunnelConsumerId.valueOf(20);
-
-        // create object of DefaultLspLocalLabelInfo
-        DeviceId deviceId2 = DeviceId.deviceId("goo");
-        LabelResourceId inLabelId2 = LabelResourceId.labelResourceId(3);
-        LabelResourceId outLabelId2 = LabelResourceId.labelResourceId(4);
-        PortNumber inPort2 = PortNumber.portNumber(5124);
-        PortNumber outPort2 = PortNumber.portNumber(5125);
-
-        LspLocalLabelInfo lspLocalLabel2 = DefaultLspLocalLabelInfo.builder()
-                .deviceId(deviceId2)
-                .inLabelId(inLabelId2)
-                .outLabelId(outLabelId2)
-                .inPort(inPort2)
-                .outPort(outPort2)
-                .build();
-        lspLocalLabelInfoList2.add(lspLocalLabel2);
-
-        PceccTunnelInfo pceccTunnelInfo2 = new PceccTunnelInfo(lspLocalLabelInfoList2, tunnelConsumerId2);
-
-        new EqualsTester().addEqualityGroup(pceccTunnelInfo1, samePceccTunnelInfo1)
-                          .addEqualityGroup(pceccTunnelInfo2)
-                          .testEquals();
-    }
-
-    /**
-     * Checks the construction of a PceccTunnelInfo object.
-     */
-    @Test
-    public void testConstruction() {
-        List<LspLocalLabelInfo> lspLocalLabelInfoList = new LinkedList<>();
-        ResourceConsumer tunnelConsumerId = TunnelConsumerId.valueOf(10);
-
-        // create object of DefaultLspLocalLabelInfo
-        DeviceId deviceId = DeviceId.deviceId("foo");
-        LabelResourceId inLabelId = LabelResourceId.labelResourceId(1);
-        LabelResourceId outLabelId = LabelResourceId.labelResourceId(2);
-        PortNumber inPort = PortNumber.portNumber(5122);
-        PortNumber outPort = PortNumber.portNumber(5123);
-
-        LspLocalLabelInfo lspLocalLabelInfo = DefaultLspLocalLabelInfo.builder()
-                .deviceId(deviceId)
-                .inLabelId(inLabelId)
-                .outLabelId(outLabelId)
-                .inPort(inPort)
-                .outPort(outPort)
-                .build();
-        lspLocalLabelInfoList.add(lspLocalLabelInfo);
-
-        PceccTunnelInfo pceccTunnelInfo = new PceccTunnelInfo(lspLocalLabelInfoList, tunnelConsumerId);
-
-        assertThat(lspLocalLabelInfoList, is(pceccTunnelInfo.lspLocalLabelInfoList()));
-    }
-}

@@ -22,19 +22,14 @@ import java.util.concurrent.ConcurrentMap;
 
 
 import java.util.HashMap;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.HashSet;
-import java.util.List;
 import java.util.Map;
 import java.util.Map;
 import java.util.Set;
 import java.util.Set;
 import java.util.stream.Collectors;
 import java.util.stream.Collectors;
 
 
-import org.onosproject.incubator.net.resource.label.LabelResourceId;
 import org.onosproject.incubator.net.tunnel.TunnelId;
 import org.onosproject.incubator.net.tunnel.TunnelId;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.DeviceId;
-import org.onosproject.net.Link;
 import org.onosproject.net.resource.ResourceConsumer;
 import org.onosproject.net.resource.ResourceConsumer;
-import org.onosproject.pce.pcestore.PceccTunnelInfo;
 import org.onosproject.pce.pcestore.PcePathInfo;
 import org.onosproject.pce.pcestore.PcePathInfo;
-import org.onosproject.pce.pcestore.api.LspLocalLabelInfo;
 import org.onosproject.pce.pcestore.api.PceStore;
 import org.onosproject.pce.pcestore.api.PceStore;
 
 
 /**
 /**
@@ -42,14 +37,8 @@ import org.onosproject.pce.pcestore.api.PceStore;
  */
  */
 public class PceStoreAdapter implements PceStore {
 public class PceStoreAdapter implements PceStore {
 
 
-    // Mapping device with global node label
-    private ConcurrentMap<DeviceId, LabelResourceId> globalNodeLabelMap = new ConcurrentHashMap<>();
-
-    // Mapping link with adjacency label
-    private ConcurrentMap<Link, LabelResourceId> adjLabelMap = new ConcurrentHashMap<>();
-
     // Mapping tunnel with device local info with tunnel consumer id
     // Mapping tunnel with device local info with tunnel consumer id
-    private ConcurrentMap<TunnelId, PceccTunnelInfo> tunnelInfoMap = new ConcurrentHashMap<>();
+    private ConcurrentMap<TunnelId, ResourceConsumer> tunnelInfoMap = new ConcurrentHashMap<>();
 
 
     // Set of Path info
     // Set of Path info
     private Set<PcePathInfo> failedPathInfoSet = new HashSet<>();
     private Set<PcePathInfo> failedPathInfoSet = new HashSet<>();
@@ -58,16 +47,6 @@ public class PceStoreAdapter implements PceStore {
     private Map<String, DeviceId> lsrIdDeviceIdMap = new HashMap<>();
     private Map<String, DeviceId> lsrIdDeviceIdMap = new HashMap<>();
 
 
     @Override
     @Override
-    public boolean existsGlobalNodeLabel(DeviceId id) {
-        return globalNodeLabelMap.containsKey(id);
-    }
-
-    @Override
-    public boolean existsAdjLabel(Link link) {
-        return adjLabelMap.containsKey(link);
-    }
-
-    @Override
     public boolean existsTunnelInfo(TunnelId tunnelId) {
     public boolean existsTunnelInfo(TunnelId tunnelId) {
         return tunnelInfoMap.containsKey(tunnelId);
         return tunnelInfoMap.containsKey(tunnelId);
     }
     }
@@ -78,16 +57,6 @@ public class PceStoreAdapter implements PceStore {
     }
     }
 
 
     @Override
     @Override
-    public int getGlobalNodeLabelCount() {
-        return globalNodeLabelMap.size();
-    }
-
-    @Override
-    public int getAdjLabelCount() {
-        return adjLabelMap.size();
-    }
-
-    @Override
     public int getTunnelInfoCount() {
     public int getTunnelInfoCount() {
         return tunnelInfoMap.size();
         return tunnelInfoMap.size();
     }
     }
@@ -98,21 +67,9 @@ public class PceStoreAdapter implements PceStore {
     }
     }
 
 
     @Override
     @Override
-    public Map<DeviceId, LabelResourceId> getGlobalNodeLabels() {
-       return globalNodeLabelMap.entrySet().stream()
-                 .collect(Collectors.toMap(Map.Entry::getKey, e -> (LabelResourceId) e.getValue()));
-    }
-
-    @Override
-    public Map<Link, LabelResourceId> getAdjLabels() {
-       return adjLabelMap.entrySet().stream()
-                 .collect(Collectors.toMap(Map.Entry::getKey, e -> (LabelResourceId) e.getValue()));
-    }
-
-    @Override
-    public Map<TunnelId, PceccTunnelInfo> getTunnelInfos() {
+    public Map<TunnelId, ResourceConsumer> getTunnelInfos() {
        return tunnelInfoMap.entrySet().stream()
        return tunnelInfoMap.entrySet().stream()
-                 .collect(Collectors.toMap(Map.Entry::getKey, e -> (PceccTunnelInfo) e.getValue()));
+                 .collect(Collectors.toMap(Map.Entry::getKey, e -> e.getValue()));
     }
     }
 
 
     @Override
     @Override
@@ -121,33 +78,13 @@ public class PceStoreAdapter implements PceStore {
     }
     }
 
 
     @Override
     @Override
-    public LabelResourceId getGlobalNodeLabel(DeviceId id) {
-        return globalNodeLabelMap.get(id);
-    }
-
-    @Override
-    public LabelResourceId getAdjLabel(Link link) {
-        return adjLabelMap.get(link);
-    }
-
-    @Override
-    public PceccTunnelInfo getTunnelInfo(TunnelId tunnelId) {
+    public ResourceConsumer getTunnelInfo(TunnelId tunnelId) {
         return tunnelInfoMap.get(tunnelId);
         return tunnelInfoMap.get(tunnelId);
     }
     }
 
 
     @Override
     @Override
-    public void addGlobalNodeLabel(DeviceId deviceId, LabelResourceId labelId) {
-        globalNodeLabelMap.put(deviceId, labelId);
-    }
-
-    @Override
-    public void addAdjLabel(Link link, LabelResourceId labelId) {
-        adjLabelMap.put(link, labelId);
-    }
-
-    @Override
-    public void addTunnelInfo(TunnelId tunnelId, PceccTunnelInfo pceccTunnelInfo) {
-        tunnelInfoMap.put(tunnelId, pceccTunnelInfo);
+    public void addTunnelInfo(TunnelId tunnelId, ResourceConsumer tunnelConsumerId) {
+        tunnelInfoMap.put(tunnelId, tunnelConsumerId);
     }
     }
 
 
     @Override
     @Override
@@ -156,48 +93,6 @@ public class PceStoreAdapter implements PceStore {
     }
     }
 
 
     @Override
     @Override
-    public boolean updateTunnelInfo(TunnelId tunnelId, List<LspLocalLabelInfo> lspLocalLabelInfoList) {
-        if (!tunnelInfoMap.containsKey((tunnelId))) {
-            return false;
-        }
-
-        PceccTunnelInfo labelStoreInfo = tunnelInfoMap.get(tunnelId);
-        labelStoreInfo.lspLocalLabelInfoList(lspLocalLabelInfoList);
-        tunnelInfoMap.put(tunnelId, labelStoreInfo);
-        return true;
-    }
-
-    @Override
-    public boolean updateTunnelInfo(TunnelId tunnelId, ResourceConsumer tunnelConsumerId) {
-        if (!tunnelInfoMap.containsKey((tunnelId))) {
-            return false;
-        }
-
-        PceccTunnelInfo tunnelInfo = tunnelInfoMap.get(tunnelId);
-        tunnelInfo.tunnelConsumerId(tunnelConsumerId);
-        tunnelInfoMap.put(tunnelId, tunnelInfo);
-        return true;
-    }
-
-    @Override
-    public boolean removeGlobalNodeLabel(DeviceId id) {
-        globalNodeLabelMap.remove(id);
-        if (globalNodeLabelMap.containsKey(id)) {
-            return false;
-        }
-        return true;
-    }
-
-    @Override
-    public boolean removeAdjLabel(Link link) {
-        adjLabelMap.remove(link);
-        if (adjLabelMap.containsKey(link)) {
-            return false;
-        }
-        return true;
-    }
-
-    @Override
     public boolean removeTunnelInfo(TunnelId tunnelId) {
     public boolean removeTunnelInfo(TunnelId tunnelId) {
         tunnelInfoMap.remove(tunnelId);
         tunnelInfoMap.remove(tunnelId);
         if (tunnelInfoMap.containsKey(tunnelId)) {
         if (tunnelInfoMap.containsKey(tunnelId)) {
@@ -213,39 +108,4 @@ public class PceStoreAdapter implements PceStore {
         }
         }
         return true;
         return true;
     }
     }
-
-    @Override
-    public boolean addLsrIdDevice(String lsrId, DeviceId deviceId) {
-        lsrIdDeviceIdMap.put(lsrId, deviceId);
-        return true;
-    }
-
-    @Override
-    public boolean removeLsrIdDevice(String lsrId) {
-        lsrIdDeviceIdMap.remove(lsrId);
-        return true;
-    }
-
-    @Override
-    public DeviceId getLsrIdDevice(String lsrId) {
-        return lsrIdDeviceIdMap.get(lsrId);
-    }
-
-    @Override
-    public boolean addPccLsr(DeviceId lsrId) {
-        // TODO Auto-generated method stub
-        return false;
-    }
-
-    @Override
-    public boolean removePccLsr(DeviceId lsrId) {
-        // TODO Auto-generated method stub
-        return false;
-    }
-
-    @Override
-    public boolean hasPccLsr(DeviceId lsrId) {
-        // TODO Auto-generated method stub
-        return false;
-    }
 }
 }

@@ -16,8 +16,14 @@
 package org.onosproject.pcep.controller;
 package org.onosproject.pcep.controller;
 
 
 import java.util.Collection;
 import java.util.Collection;
+import java.util.LinkedList;
 
 
+import org.onosproject.incubator.net.tunnel.DefaultLabelStack;
+import org.onosproject.incubator.net.tunnel.LabelStack;
+import org.onosproject.incubator.net.tunnel.Tunnel;
+import org.onosproject.net.Path;
 import org.onosproject.pcepio.protocol.PcepMessage;
 import org.onosproject.pcepio.protocol.PcepMessage;
+import org.onosproject.pcepio.types.PcepValueType;
 
 
 /**
 /**
  * Abstraction of an Pcep client controller. Serves as a one stop
  * Abstraction of an Pcep client controller. Serves as a one stop
@@ -85,20 +91,6 @@ public interface PcepClientController {
     void removeNodeListener(PcepNodeListener listener);
     void removeNodeListener(PcepNodeListener listener);
 
 
     /**
     /**
-     * Register a listener for packet events.
-     *
-     * @param listener the listener to notify
-     */
-    void addPacketListener(PcepPacketListener listener);
-
-    /**
-     * Unregister a packet listener.
-     *
-     * @param listener the listener to unregister
-     */
-    void removePacketListener(PcepPacketListener listener);
-
-    /**
      * Send a message to a particular pcc client.
      * Send a message to a particular pcc client.
      *
      *
      * @param pccId the id of the client to send message.
      * @param pccId the id of the client to send message.
@@ -118,4 +110,29 @@ public interface PcepClientController {
      * Close all connected PCC clients.
      * Close all connected PCC clients.
      */
      */
     void closeConnectedClients();
     void closeConnectedClients();
+
+    /**
+     * Create label stack from the given path.
+     *
+     * @param path from which label stack is to be computed
+     * @return the label stack
+     */
+    public LabelStack computeLabelStack(Path path);
+
+    /**
+     * Allocates and downloads local labels for the given LSP.
+     *
+     * @param tunnel for which local labels have to be assigned and downloaded
+     * @return success or failure
+     */
+    public boolean allocateLocalLabel(Tunnel tunnel);
+
+    /**
+     * Creates label stack for ERO object from network resource.
+     *
+     * @param labelStack
+     * @param path (hop list)
+     * @return list of ERO sub-objects
+     */
+    public LinkedList<PcepValueType> createPcepLabelStack(DefaultLabelStack labelStack, Path path);
 }
 }

 COMPILE_DEPS = [
 COMPILE_DEPS = [
     '//lib:CORE_DEPS',
     '//lib:CORE_DEPS',
+    '//incubator/api:onos-incubator-api',
     '//protocols/pcep/pcepio:onos-protocols-pcep-pcepio',
     '//protocols/pcep/pcepio:onos-protocols-pcep-pcepio',
     '//protocols/pcep/api:onos-protocols-pcep-api',
     '//protocols/pcep/api:onos-protocols-pcep-api',
-    '//incubator/api:onos-incubator-api',
+    '//core/store/serializers:onos-core-serializers',
     '//apps/pcep-api:onos-apps-pcep-api',
     '//apps/pcep-api:onos-apps-pcep-api',
 ]
 ]
 
 

@@ -50,6 +50,11 @@
             <groupId>org.onosproject</groupId>
             <groupId>org.onosproject</groupId>
             <artifactId>onlab-misc</artifactId>
             <artifactId>onlab-misc</artifactId>
         </dependency>
         </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-core-serializers</artifactId>
+            <version>${project.version}</version>
+        </dependency>
     </dependencies>
     </dependencies>
 
 
     <build>
     <build>

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * See the License for the specific language governing permissions and
  * limitations under the License.
  * limitations under the License.
  */
  */
-package org.onosproject.pce.pcestore;
+package org.onosproject.pcelabelstore;
 
 
 import com.google.common.base.MoreObjects;
 import com.google.common.base.MoreObjects;
 
 
@@ -21,8 +21,8 @@ import java.util.Objects;
 
 
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.PortNumber;
 import org.onosproject.net.PortNumber;
+import org.onosproject.pcelabelstore.api.LspLocalLabelInfo;
 import org.onosproject.incubator.net.resource.label.LabelResourceId;
 import org.onosproject.incubator.net.resource.label.LabelResourceId;
-import org.onosproject.pce.pcestore.api.LspLocalLabelInfo;
 
 
 /**
 /**
  * Local node details including IN and OUT labels as well as IN and OUT port details.
  * Local node details including IN and OUT labels as well as IN and OUT port details.
@@ -30,13 +30,9 @@ import org.onosproject.pce.pcestore.api.LspLocalLabelInfo;
 public final class DefaultLspLocalLabelInfo implements LspLocalLabelInfo {
 public final class DefaultLspLocalLabelInfo implements LspLocalLabelInfo {
 
 
     private final DeviceId deviceId;
     private final DeviceId deviceId;
-
     private final LabelResourceId inLabelId;
     private final LabelResourceId inLabelId;
-
     private final LabelResourceId outLabelId;
     private final LabelResourceId outLabelId;
-
     private final PortNumber inPort;
     private final PortNumber inPort;
-
     private final PortNumber outPort;
     private final PortNumber outPort;
 
 
     /**
     /**
@@ -152,15 +148,10 @@ public final class DefaultLspLocalLabelInfo implements LspLocalLabelInfo {
      * Builder.
      * Builder.
      */
      */
     public static final class Builder implements LspLocalLabelInfo.Builder {
     public static final class Builder implements LspLocalLabelInfo.Builder {
-
         private DeviceId deviceId;
         private DeviceId deviceId;
-
         private LabelResourceId inLabelId;
         private LabelResourceId inLabelId;
-
         private LabelResourceId outLabelId;
         private LabelResourceId outLabelId;
-
         private PortNumber inPort;
         private PortNumber inPort;
-
         private PortNumber outPort;
         private PortNumber outPort;
 
 
         /**
         /**

+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.pcelabelstore;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.apache.felix.scr.annotations.Service;
+
+import org.onlab.util.KryoNamespace;
+import org.onosproject.incubator.net.tunnel.TunnelId;
+import org.onosproject.incubator.net.resource.label.LabelResource;
+import org.onosproject.incubator.net.resource.label.LabelResourceId;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.Link;
+import org.onosproject.pcelabelstore.api.LspLocalLabelInfo;
+import org.onosproject.pcelabelstore.api.PceLabelStore;
+import org.onosproject.store.serializers.KryoNamespaces;
+import org.onosproject.store.service.ConsistentMap;
+import org.onosproject.store.service.Serializer;
+import org.onosproject.store.service.StorageService;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Manages the pool of available labels to devices, links and tunnels.
+ */
+@Component(immediate = true)
+@Service
+public class DistributedPceLabelStore implements PceLabelStore {
+
+    private static final String DEVICE_ID_NULL = "Device ID cannot be null";
+    private static final String LABEL_RESOURCE_ID_NULL = "Label Resource Id cannot be null";
+    private static final String LINK_NULL = "LINK cannot be null";
+    private static final String PCECC_TUNNEL_INFO_NULL = "PCECC Tunnel Info cannot be null";
+    private static final String TUNNEL_ID_NULL = "Tunnel Id cannot be null";
+
+    private final Logger log = LoggerFactory.getLogger(getClass());
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected StorageService storageService;
+
+    // Mapping device with global node label
+    private ConsistentMap<DeviceId, LabelResourceId> globalNodeLabelMap;
+
+    // Mapping link with adjacency label
+    private ConsistentMap<Link, LabelResourceId> adjLabelMap;
+
+    // Mapping tunnel id with local labels.
+    private ConsistentMap<TunnelId, List<LspLocalLabelInfo>> tunnelLabelInfoMap;
+
+    // Locally maintain LSRID to device id mapping for better performance.
+    private Map<String, DeviceId> lsrIdDeviceIdMap = new HashMap<>();
+
+    // List of PCC LSR ids whose BGP device information was not available to perform
+    // label db sync.
+    private HashSet<DeviceId> pendinglabelDbSyncPccMap = new HashSet<>();
+
+    @Activate
+    protected void activate() {
+        globalNodeLabelMap = storageService.<DeviceId, LabelResourceId>consistentMapBuilder()
+                .withName("onos-pce-globalnodelabelmap")
+                .withSerializer(Serializer.using(
+                        new KryoNamespace.Builder()
+                                .register(KryoNamespaces.API)
+                                .register(LabelResourceId.class)
+                                .build()))
+                .build();
+
+        adjLabelMap = storageService.<Link, LabelResourceId>consistentMapBuilder()
+                .withName("onos-pce-adjlabelmap")
+                .withSerializer(Serializer.using(
+                        new KryoNamespace.Builder()
+                                .register(KryoNamespaces.API)
+                                .register(Link.class,
+                                          LabelResource.class,
+                                          LabelResourceId.class)
+                                .build()))
+                .build();
+
+        tunnelLabelInfoMap = storageService.<TunnelId, List<LspLocalLabelInfo>>consistentMapBuilder()
+                .withName("onos-pce-tunnellabelinfomap")
+                .withSerializer(Serializer.using(
+                        new KryoNamespace.Builder()
+                                .register(KryoNamespaces.API)
+                                .register(TunnelId.class,
+                                          DefaultLspLocalLabelInfo.class,
+                                          LabelResourceId.class,
+                                          DeviceId.class)
+                                .build()))
+                .build();
+
+        log.info("Started");
+    }
+
+    @Deactivate
+    protected void deactivate() {
+        log.info("Stopped");
+    }
+
+    @Override
+    public boolean existsGlobalNodeLabel(DeviceId id) {
+        checkNotNull(id, DEVICE_ID_NULL);
+        return globalNodeLabelMap.containsKey(id);
+    }
+
+    @Override
+    public boolean existsAdjLabel(Link link) {
+        checkNotNull(link, LINK_NULL);
+        return adjLabelMap.containsKey(link);
+    }
+
+    @Override
+    public boolean existsTunnelInfo(TunnelId tunnelId) {
+        checkNotNull(tunnelId, TUNNEL_ID_NULL);
+        return tunnelLabelInfoMap.containsKey(tunnelId);
+    }
+
+    @Override
+    public int getGlobalNodeLabelCount() {
+        return globalNodeLabelMap.size();
+    }
+
+    @Override
+    public int getAdjLabelCount() {
+        return adjLabelMap.size();
+    }
+
+    @Override
+    public int getTunnelInfoCount() {
+        return tunnelLabelInfoMap.size();
+    }
+
+    @Override
+    public Map<DeviceId, LabelResourceId> getGlobalNodeLabels() {
+       return globalNodeLabelMap.entrySet().stream()
+                 .collect(Collectors.toMap(Map.Entry::getKey, e -> e.getValue().value()));
+    }
+
+    @Override
+    public Map<Link, LabelResourceId> getAdjLabels() {
+       return adjLabelMap.entrySet().stream()
+                 .collect(Collectors.toMap(Map.Entry::getKey, e -> e.getValue().value()));
+    }
+
+    @Override
+    public Map<TunnelId, List<LspLocalLabelInfo>> getTunnelInfos() {
+       return tunnelLabelInfoMap.entrySet().stream()
+                 .collect(Collectors.toMap(Map.Entry::getKey, e -> e.getValue().value()));
+    }
+
+    @Override
+    public LabelResourceId getGlobalNodeLabel(DeviceId id) {
+        checkNotNull(id, DEVICE_ID_NULL);
+        return globalNodeLabelMap.get(id) == null ? null : globalNodeLabelMap.get(id).value();
+    }
+
+    @Override
+    public LabelResourceId getAdjLabel(Link link) {
+        checkNotNull(link, LINK_NULL);
+        return adjLabelMap.get(link) == null ? null : adjLabelMap.get(link).value();
+    }
+
+    @Override
+    public List<LspLocalLabelInfo> getTunnelInfo(TunnelId tunnelId) {
+        checkNotNull(tunnelId, TUNNEL_ID_NULL);
+        return tunnelLabelInfoMap.get(tunnelId) == null ? null : tunnelLabelInfoMap.get(tunnelId).value();
+    }
+
+    @Override
+    public void addGlobalNodeLabel(DeviceId deviceId, LabelResourceId labelId) {
+        checkNotNull(deviceId, DEVICE_ID_NULL);
+        checkNotNull(labelId, LABEL_RESOURCE_ID_NULL);
+
+        globalNodeLabelMap.put(deviceId, labelId);
+    }
+
+    @Override
+    public void addAdjLabel(Link link, LabelResourceId labelId) {
+        checkNotNull(link, LINK_NULL);
+        checkNotNull(labelId, LABEL_RESOURCE_ID_NULL);
+
+        adjLabelMap.put(link, labelId);
+    }
+
+    @Override
+    public void addTunnelInfo(TunnelId tunnelId, List<LspLocalLabelInfo> lspLocalLabelInfoList) {
+        checkNotNull(tunnelId, TUNNEL_ID_NULL);
+        checkNotNull(lspLocalLabelInfoList, PCECC_TUNNEL_INFO_NULL);
+
+        tunnelLabelInfoMap.put(tunnelId, lspLocalLabelInfoList);
+    }
+
+    @Override
+    public boolean removeGlobalNodeLabel(DeviceId id) {
+        checkNotNull(id, DEVICE_ID_NULL);
+
+        if (globalNodeLabelMap.remove(id) == null) {
+            log.error("SR-TE node label deletion for device {} has failed.", id.toString());
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public boolean removeAdjLabel(Link link) {
+        checkNotNull(link, LINK_NULL);
+
+        if (adjLabelMap.remove(link) == null) {
+            log.error("Adjacency label deletion for link {} hash failed.", link.toString());
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public boolean removeTunnelInfo(TunnelId tunnelId) {
+        checkNotNull(tunnelId, TUNNEL_ID_NULL);
+
+        if (tunnelLabelInfoMap.remove(tunnelId) == null) {
+            log.error("Tunnel info deletion for tunnel id {} has failed.", tunnelId.toString());
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public boolean addLsrIdDevice(String lsrId, DeviceId deviceId) {
+        checkNotNull(lsrId);
+        checkNotNull(deviceId);
+
+        lsrIdDeviceIdMap.put(lsrId, deviceId);
+        return true;
+    }
+
+    @Override
+    public boolean removeLsrIdDevice(String lsrId) {
+        checkNotNull(lsrId);
+
+        lsrIdDeviceIdMap.remove(lsrId);
+        return true;
+    }
+
+    @Override
+    public DeviceId getLsrIdDevice(String lsrId) {
+        checkNotNull(lsrId);
+
+        return lsrIdDeviceIdMap.get(lsrId);
+
+    }
+
+    @Override
+    public boolean addPccLsr(DeviceId lsrId) {
+        checkNotNull(lsrId);
+        pendinglabelDbSyncPccMap.add(lsrId);
+        return true;
+    }
+
+    @Override
+    public boolean removePccLsr(DeviceId lsrId) {
+        checkNotNull(lsrId);
+        pendinglabelDbSyncPccMap.remove(lsrId);
+        return true;
+    }
+
+    @Override
+    public boolean hasPccLsr(DeviceId lsrId) {
+        checkNotNull(lsrId);
+        return pendinglabelDbSyncPccMap.contains(lsrId);
+
+    }
+}

+package org.onosproject.pcelabelstore;
+
+/**
+ * Representation of label operation over PCEP.
+ */
+public enum PcepLabelOp {
+    /**
+     * Signifies that the label operation is addition.
+     */
+    ADD,
+
+    /**
+     * Signifies that the label operation is modification. This is reserved for future.
+     */
+    MODIFY,
+
+    /**
+     * Signifies that the label operation is deletion.
+     */
+    REMOVE
+}

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * See the License for the specific language governing permissions and
  * limitations under the License.
  * limitations under the License.
  */
  */
-package org.onosproject.pce.pcestore.api;
+package org.onosproject.pcelabelstore.api;
 
 
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.PortNumber;
 import org.onosproject.net.PortNumber;

+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.pcelabelstore.api;
+
+import java.util.List;
+
+import org.onosproject.incubator.net.resource.label.LabelResourceId;
+import org.onosproject.incubator.net.tunnel.TunnelId;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.Link;
+import java.util.Map;
+
+/**
+ * Abstraction of an entity providing pool of available labels to devices, links and tunnels.
+ */
+public interface PceLabelStore {
+    /**
+     * Checks whether device id is present in global node label store.
+     *
+     * @param id device id
+     * @return success of failure
+     */
+    boolean existsGlobalNodeLabel(DeviceId id);
+
+    /**
+     * Checks whether link is present in adjacency label store.
+     *
+     * @param link link between devices
+     * @return success of failure
+     */
+    boolean existsAdjLabel(Link link);
+
+    /**
+     * Checks whether tunnel id is present in tunnel info store.
+     *
+     * @param tunnelId tunnel id
+     * @return success of failure
+     */
+    boolean existsTunnelInfo(TunnelId tunnelId);
+
+    /**
+     * Retrieves the node label count.
+     *
+     * @return node label count
+     */
+    int getGlobalNodeLabelCount();
+
+    /**
+     * Retrieves the adjacency label count.
+     *
+     * @return adjacency label count
+     */
+    int getAdjLabelCount();
+
+    /**
+     * Retrieves the tunnel info count.
+     *
+     * @return tunnel info count
+     */
+    int getTunnelInfoCount();
+
+    /**
+     * Retrieves device id and label pairs collection from global node label store.
+     *
+     * @return collection of device id and label pairs
+     */
+    Map<DeviceId, LabelResourceId> getGlobalNodeLabels();
+
+    /**
+     * Retrieves link and label pairs collection from adjacency label store.
+     *
+     * @return collection of link and label pairs
+     */
+    Map<Link, LabelResourceId> getAdjLabels();
+
+    /**
+     * Retrieves tunnel id and pcecc tunnel info pairs collection from tunnel info store.
+     *
+     * @return collection of tunnel id and pcecc tunnel info pairs
+     */
+    Map<TunnelId, List<LspLocalLabelInfo>> getTunnelInfos();
+
+    /**
+     * Retrieves node label for specified device id.
+     *
+     * @param id device id
+     * @return node label
+     */
+    LabelResourceId getGlobalNodeLabel(DeviceId id);
+
+    /**
+     * Retrieves adjacency label for specified link.
+     *
+     * @param link between devices
+     * @return adjacency label
+     */
+    LabelResourceId getAdjLabel(Link link);
+
+    /**
+     * Retrieves local label info with tunnel consumer id from tunnel info store.
+     *
+     * @param tunnelId tunnel id
+     * @return pcecc tunnel info
+     */
+    List<LspLocalLabelInfo> getTunnelInfo(TunnelId tunnelId);
+
+    /**
+     * Stores node label into global node label store.
+     *
+     * @param deviceId device id
+     * @param labelId node label id
+     */
+    void addGlobalNodeLabel(DeviceId deviceId, LabelResourceId labelId);
+
+    /**
+     * Stores adjacency label into adjacency label store.
+     *
+     * @param link link between nodes
+     * @param labelId link label id
+     */
+    void addAdjLabel(Link link, LabelResourceId labelId);
+
+    /**
+     * Stores local label info with tunnel consumer id into tunnel info store for specified tunnel id.
+     *
+     * @param tunnelId tunnel id
+     * @param lspLocalLabelInfoList local label info
+     */
+    void addTunnelInfo(TunnelId tunnelId, List<LspLocalLabelInfo> lspLocalLabelInfoList);
+
+    /**
+     * Removes device label from global node label store for specified device id.
+     *
+     * @param id device id
+     * @return success or failure
+     */
+    boolean removeGlobalNodeLabel(DeviceId id);
+
+    /**
+     * Removes adjacency label from adjacency label store for specified link information.
+     *
+     * @param link between nodes
+     * @return success or failure
+     */
+    boolean removeAdjLabel(Link link);
+
+    /**
+     * Removes local label info with tunnel consumer id from tunnel info store for specified tunnel id.
+     *
+     * @param tunnelId tunnel id
+     * @return success or failure
+     */
+    boolean removeTunnelInfo(TunnelId tunnelId);
+
+    /**
+     * Adds lsrid to device id mapping.
+     *
+     * @param lsrId lsrId of the device
+     * @param deviceId device id
+     * @return success or failure
+     */
+    boolean addLsrIdDevice(String lsrId, DeviceId deviceId);
+
+    /**
+     * Removes lsrid to device id mapping.
+     *
+     * @param lsrId lsrId of the device
+     * @return success or failure
+     */
+    boolean removeLsrIdDevice(String lsrId);
+
+    /**
+     * Gets lsrid to device id mapping.
+     *
+     * @param lsrId lsrId of the device
+     * @return device id of the lsrId
+     */
+    DeviceId getLsrIdDevice(String lsrId);
+
+    /**
+     * Adds lsrId of the PCC in form of device id for the PCC for which sync is pending due to non-availability of BGP.
+     * device.
+     *
+     * @param lsrId LSR id of the PCC in form of device id
+     * @return success or failure
+     */
+    public boolean addPccLsr(DeviceId lsrId);
+
+    /**
+     * Removes lsrId of the PCC in form of device id for the PCC for which pending sync is done.
+     *
+     * @param lsrId LSR id of the PCC in form of device id
+     * @return success or failure
+     */
+    public boolean removePccLsr(DeviceId lsrId);
+
+    /**
+     * Gets lsrId of the PCC in form of device id.
+     *
+     * @param lsrId LSR id of the PCC in form of device id
+     * @return success or failure
+     */
+    public boolean hasPccLsr(DeviceId lsrId);
+}

@@ -13,7 +13,8 @@
  * See the License for the specific language governing permissions and
  * See the License for the specific language governing permissions and
  * limitations under the License.
  * limitations under the License.
  */
  */
+
 /**
 /**
- *Provider that uses PCEP controller as a means to send packets.
+ * PCE store service API.
  */
  */
-package org.onosproject.provider.pcep.packet.impl;
\ No newline at end of file
+package org.onosproject.pcelabelstore.api;

@@ -13,10 +13,8 @@
  * See the License for the specific language governing permissions and
  * See the License for the specific language governing permissions and
  * limitations under the License.
  * limitations under the License.
  */
  */
-package org.onosproject.pcep.controller;
 
 
-public interface PcepPacketListener {
-
-    void sendPacketIn(PccId pccId);
-
-}
+/**
+ * PCE store application.
+ */
+package org.onosproject.pcelabelstore;

+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.pcep.controller.impl;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+import java.util.ListIterator;
+import java.util.LinkedList;
+
+import org.onlab.packet.Ip4Address;
+import org.onlab.packet.IpAddress;
+import org.onosproject.incubator.net.resource.label.DefaultLabelResource;
+import org.onosproject.incubator.net.resource.label.LabelResource;
+import org.onosproject.incubator.net.resource.label.LabelResourceId;
+import org.onosproject.incubator.net.resource.label.LabelResourceService;
+import org.onosproject.incubator.net.tunnel.IpTunnelEndPoint;
+import org.onosproject.incubator.net.tunnel.Tunnel;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.device.DeviceService;
+import org.onosproject.pcelabelstore.DefaultLspLocalLabelInfo;
+import org.onosproject.pcelabelstore.PcepLabelOp;
+import org.onosproject.pcelabelstore.api.LspLocalLabelInfo;
+import org.onosproject.pcelabelstore.api.PceLabelStore;
+import org.onosproject.pcep.controller.LspType;
+import org.onosproject.pcep.controller.PccId;
+import org.onosproject.pcep.controller.PcepAnnotationKeys;
+import org.onosproject.pcep.controller.PcepClient;
+import org.onosproject.pcep.controller.PcepClientController;
+import org.onosproject.pcep.controller.SrpIdGenerators;
+import org.onosproject.pcepio.exceptions.PcepParseException;
+import org.onosproject.pcepio.protocol.PcepAttribute;
+import org.onosproject.pcepio.protocol.PcepBandwidthObject;
+import org.onosproject.pcepio.protocol.PcepEroObject;
+import org.onosproject.pcepio.protocol.PcepLabelObject;
+import org.onosproject.pcepio.protocol.PcepLabelUpdate;
+import org.onosproject.pcepio.protocol.PcepLabelUpdateMsg;
+import org.onosproject.pcepio.protocol.PcepLspObject;
+import org.onosproject.pcepio.protocol.PcepMsgPath;
+import org.onosproject.pcepio.protocol.PcepSrpObject;
+import org.onosproject.pcepio.protocol.PcepUpdateMsg;
+import org.onosproject.pcepio.protocol.PcepUpdateRequest;
+import org.onosproject.pcepio.types.IPv4SubObject;
+import org.onosproject.pcepio.types.NexthopIPv4addressTlv;
+import org.onosproject.pcepio.types.PathSetupTypeTlv;
+import org.onosproject.pcepio.types.PcepLabelDownload;
+import org.onosproject.pcepio.types.PcepValueType;
+import org.onosproject.pcepio.types.StatefulIPv4LspIdentifiersTlv;
+import org.onosproject.pcepio.types.SymbolicPathNameTlv;
+import org.onosproject.net.Link;
+import org.onosproject.net.Path;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.collect.ArrayListMultimap;
+import com.google.common.collect.Multimap;
+
+import static org.onosproject.pcep.controller.PcepAnnotationKeys.BANDWIDTH;
+import static org.onosproject.pcep.controller.PcepAnnotationKeys.LSP_SIG_TYPE;
+import static org.onosproject.pcep.controller.PcepAnnotationKeys.PCE_INIT;
+import static org.onosproject.pcep.controller.PcepAnnotationKeys.DELEGATE;
+
+/**
+ * Basic PCECC handler.
+ * In Basic PCECC, after path computation will configure IN and OUT label to nodes.
+ * [X]OUT---link----IN[Y]OUT---link-----IN[Z] where X, Y and Z are nodes.
+ * For generating labels, will go thorough links in the path from Egress to Ingress.
+ * In each link, will take label from destination node local pool as IN label,
+ * and assign this label as OUT label to source node.
+ */
+public final class BasicPceccHandler {
+    private static final Logger log = LoggerFactory.getLogger(BasicPceccHandler.class);
+    public static final int OUT_LABEL_TYPE = 0;
+    public static final int IN_LABEL_TYPE = 1;
+    public static final long IDENTIFIER_SET = 0x100000000L;
+    public static final long SET = 0xFFFFFFFFL;
+    private static final String LSRID = "lsrId";
+    private static final String LABEL_RESOURCE_SERVICE_NULL = "Label Resource Service cannot be null";
+    private static final String PCE_STORE_NULL = "PCE Store cannot be null";
+    private static BasicPceccHandler crHandlerInstance = null;
+    private LabelResourceService labelRsrcService;
+    private DeviceService deviceService;
+    private PceLabelStore pceStore;
+    private PcepClientController clientController;
+    private PcepLabelObject labelObj;
+
+    /**
+     * Initializes default values.
+     */
+    private BasicPceccHandler() {
+    }
+
+    /**
+     * Returns single instance of this class.
+     *
+     * @return this class single instance
+     */
+    public static BasicPceccHandler getInstance() {
+        if (crHandlerInstance == null) {
+            crHandlerInstance = new BasicPceccHandler();
+        }
+        return crHandlerInstance;
+    }
+
+    /**
+     * Initialization of label manager and pce store.
+     *
+     * @param labelRsrcService label resource service
+     * @param pceStore pce label store
+     */
+    public void initialize(LabelResourceService labelRsrcService,
+                           DeviceService deviceService,
+                           PceLabelStore pceStore,
+                           PcepClientController clientController) {
+        this.labelRsrcService = labelRsrcService;
+        this.deviceService = deviceService;
+        this.pceStore = pceStore;
+        this.clientController = clientController;
+    }
+
+    /**
+     * Allocates labels from local resource pool and configure these (IN and OUT) labels into devices.
+     *
+     * @param tunnel tunnel between ingress to egress
+     * @return success or failure
+     */
+    public boolean allocateLabel(Tunnel tunnel) {
+        long applyNum = 1;
+        boolean isLastLabelToPush = false;
+        Collection<LabelResource> labelRscList;
+
+        checkNotNull(labelRsrcService, LABEL_RESOURCE_SERVICE_NULL);
+        checkNotNull(pceStore, PCE_STORE_NULL);
+
+        List<Link> linkList = tunnel.path().links();
+        if ((linkList != null) && (linkList.size() > 0)) {
+            // Sequence through reverse order to push local labels into devices
+            // Generation of labels from egress to ingress
+            for (ListIterator<Link> iterator = linkList.listIterator(linkList.size()); iterator.hasPrevious();) {
+                Link link = iterator.previous();
+                DeviceId dstDeviceId = link.dst().deviceId();
+                DeviceId srcDeviceId = link.src().deviceId();
+                labelRscList = labelRsrcService.applyFromDevicePool(dstDeviceId, applyNum);
+                if ((labelRscList != null) && (labelRscList.size() > 0)) {
+                    // Link label value is taken from destination device local pool.
+                    // [X]OUT---link----IN[Y]OUT---link-----IN[Z] where X, Y and Z are nodes.
+                    // Link label value is used as OUT and IN for both ends
+                    // (source and destination devices) of the link.
+                    // Currently only one label is allocated to a device (destination device).
+                    // So, no need to iterate through list
+                    Iterator<LabelResource> labelIterator = labelRscList.iterator();
+                    DefaultLabelResource defaultLabelResource = (DefaultLabelResource) labelIterator.next();
+                    LabelResourceId labelId = defaultLabelResource.labelResourceId();
+                    log.debug("Allocated local label: " + labelId.toString()
+                              + "to device: " + defaultLabelResource.deviceId().toString());
+                    PortNumber dstPort = link.dst().port();
+
+                    // Check whether this is last link label to push
+                    if (!iterator.hasPrevious()) {
+                       isLastLabelToPush = true;
+                    }
+
+                    try {
+                        // Push into destination device
+                        // Destination device IN port is link.dst().port()
+                        pushLocalLabels(dstDeviceId, labelId, dstPort, tunnel, false,
+                                            Long.valueOf(LabelType.IN_LABEL.value), PcepLabelOp.ADD);
+
+                        // Push into source device
+                        // Source device OUT port will be link.dst().port(). Means its remote port used to send packet.
+                        pushLocalLabels(srcDeviceId, labelId, dstPort, tunnel, isLastLabelToPush,
+                                            Long.valueOf(LabelType.OUT_LABEL.value), PcepLabelOp.ADD);
+                    } catch (PcepParseException e) {
+                        log.error("Failed to push local label for device {} or {} for tunnel {}.",
+                                  dstDeviceId.toString(), srcDeviceId.toString(), tunnel.tunnelName().toString());
+                    }
+
+                    // Add or update pcecc tunnel info in pce store.
+                    updatePceccTunnelInfoInStore(srcDeviceId, dstDeviceId, labelId, dstPort,
+                                                 tunnel);
+                } else {
+                    log.error("Unable to allocate label to device id {}.", dstDeviceId.toString());
+                    releaseLabel(tunnel);
+                    return false;
+                }
+            }
+        } else {
+           log.error("Tunnel {} is having empty links.", tunnel.toString());
+           return false;
+        }
+        return true;
+    }
+
+    /**
+     * Updates list of local labels of PCECC tunnel info in pce store.
+     *
+     * @param srcDeviceId source device in a link
+     * @param dstDeviceId destination device in a link
+     * @param labelId label id of a link
+     * @param dstPort destination device port number of a link
+     * @param tunnel tunnel
+     */
+    public void updatePceccTunnelInfoInStore(DeviceId srcDeviceId, DeviceId dstDeviceId, LabelResourceId labelId,
+                                                PortNumber dstPort, Tunnel tunnel) {
+       // First try to retrieve device from store and update its label id if it is exists,
+       // otherwise add it
+       boolean dstDeviceUpdated = false;
+       boolean srcDeviceUpdated = false;
+
+       List<LspLocalLabelInfo> lspLabelInfoList = pceStore.getTunnelInfo(tunnel.tunnelId());
+       if ((lspLabelInfoList != null) && (lspLabelInfoList.size() > 0)) {
+           for (int i = 0; i < lspLabelInfoList.size(); ++i) {
+               LspLocalLabelInfo lspLocalLabelInfo =
+                       lspLabelInfoList.get(i);
+               LspLocalLabelInfo.Builder lspLocalLabelInfoBuilder = null;
+               if (dstDeviceId.equals(lspLocalLabelInfo.deviceId())) {
+                   lspLocalLabelInfoBuilder = DefaultLspLocalLabelInfo.builder(lspLocalLabelInfo);
+                   lspLocalLabelInfoBuilder.inLabelId(labelId);
+                   // Destination device IN port will be link destination port
+                   lspLocalLabelInfoBuilder.inPort(dstPort);
+                   dstDeviceUpdated = true;
+               } else if (srcDeviceId.equals(lspLocalLabelInfo.deviceId())) {
+                   lspLocalLabelInfoBuilder = DefaultLspLocalLabelInfo.builder(lspLocalLabelInfo);
+                   lspLocalLabelInfoBuilder.outLabelId(labelId);
+                   // Source device OUT port will be link destination (remote) port
+                   lspLocalLabelInfoBuilder.outPort(dstPort);
+                   srcDeviceUpdated = true;
+               }
+
+               // Update
+               if ((lspLocalLabelInfoBuilder != null) && (dstDeviceUpdated || srcDeviceUpdated)) {
+                   lspLabelInfoList.set(i, lspLocalLabelInfoBuilder.build());
+               }
+           }
+       }
+
+       // If it is not found in store then add it to store
+       if (!dstDeviceUpdated || !srcDeviceUpdated) {
+           // If tunnel info itself not available then create new one, otherwise add node to list.
+           if (lspLabelInfoList == null) {
+              lspLabelInfoList = new LinkedList<>();
+           }
+
+           if (!dstDeviceUpdated) {
+               LspLocalLabelInfo lspLocalLabelInfo = DefaultLspLocalLabelInfo.builder()
+                   .deviceId(dstDeviceId)
+                   .inLabelId(labelId)
+                   .outLabelId(null)
+                   .inPort(dstPort) // Destination device IN port will be link destination port
+                   .outPort(null)
+                   .build();
+               lspLabelInfoList.add(lspLocalLabelInfo);
+           }
+
+           if (!srcDeviceUpdated) {
+               LspLocalLabelInfo lspLocalLabelInfo = DefaultLspLocalLabelInfo.builder()
+                   .deviceId(srcDeviceId)
+                   .inLabelId(null)
+                   .outLabelId(labelId)
+                   .inPort(null)
+                   .outPort(dstPort) // Source device OUT port will be link destination (remote) port
+                   .build();
+               lspLabelInfoList.add(lspLocalLabelInfo);
+           }
+
+           pceStore.addTunnelInfo(tunnel.tunnelId(), lspLabelInfoList);
+       }
+    }
+
+    /**
+     * Deallocates unused labels to device pools.
+     *
+     * @param tunnel tunnel between ingress to egress
+     */
+    public void releaseLabel(Tunnel tunnel) {
+
+       checkNotNull(labelRsrcService, LABEL_RESOURCE_SERVICE_NULL);
+       checkNotNull(pceStore, PCE_STORE_NULL);
+
+       Multimap<DeviceId, LabelResource> release = ArrayListMultimap.create();
+       List<LspLocalLabelInfo> lspLocalLabelInfoList = pceStore.getTunnelInfo(tunnel.tunnelId());
+       if ((lspLocalLabelInfoList != null) && (lspLocalLabelInfoList.size() > 0)) {
+           for (Iterator<LspLocalLabelInfo> iterator = lspLocalLabelInfoList.iterator(); iterator.hasNext();) {
+               LspLocalLabelInfo lspLocalLabelInfo = iterator.next();
+               DeviceId deviceId = lspLocalLabelInfo.deviceId();
+               LabelResourceId inLabelId = lspLocalLabelInfo.inLabelId();
+               LabelResourceId outLabelId = lspLocalLabelInfo.outLabelId();
+               PortNumber inPort = lspLocalLabelInfo.inPort();
+               PortNumber outPort = lspLocalLabelInfo.outPort();
+
+               try {
+                   // Push into device
+                   if ((outLabelId != null) && (outPort != null)) {
+                       pushLocalLabels(deviceId, outLabelId, outPort, tunnel, false,
+                                       Long.valueOf(LabelType.OUT_LABEL.value), PcepLabelOp.REMOVE);
+                   }
+
+                   if ((inLabelId != null) && (inPort != null)) {
+                       pushLocalLabels(deviceId, inLabelId, inPort, tunnel, false,
+                                       Long.valueOf(LabelType.IN_LABEL.value), PcepLabelOp.REMOVE);
+                   }
+               } catch (PcepParseException e) {
+                   log.error("Failed to push local label for device {}for tunnel {}.", deviceId.toString(),
+                             tunnel.tunnelName().toString());
+               }
+
+               // List is stored from egress to ingress. So, using IN label id to release.
+               // Only one local label is assigned to device (destination node)
+               // and that is used as OUT label for source node.
+               // No need to release label for last node in the list from pool because label was not allocated to
+               // ingress node (source node).
+               if ((iterator.hasNext()) && (inLabelId != null)) {
+                   LabelResource labelRsc = new DefaultLabelResource(deviceId, inLabelId);
+                   release.put(deviceId, labelRsc);
+               }
+           }
+       }
+
+       // Release from label pool
+       if (!release.isEmpty()) {
+          labelRsrcService.releaseToDevicePool(release);
+       }
+
+       pceStore.removeTunnelInfo(tunnel.tunnelId());
+   }
+
+   //Pushes local labels to the device which is specific to path [CR-case].
+   private void pushLocalLabels(DeviceId deviceId, LabelResourceId labelId,
+            PortNumber portNum, Tunnel tunnel,
+            Boolean isBos, Long labelType, PcepLabelOp type) throws PcepParseException {
+
+        checkNotNull(deviceId);
+        checkNotNull(labelId);
+        checkNotNull(portNum);
+        checkNotNull(tunnel);
+        checkNotNull(labelType);
+        checkNotNull(type);
+
+        PcepClient pc = getPcepClient(deviceId);
+        if (pc == null) {
+            log.error("PCEP client not found");
+            return;
+        }
+
+        PcepLspObject lspObj;
+        LinkedList<PcepLabelUpdate> labelUpdateList = new LinkedList<>();
+        LinkedList<PcepLabelObject> labelObjects = new LinkedList<>();
+        PcepSrpObject srpObj;
+        PcepLabelDownload labelDownload = new PcepLabelDownload();
+        LinkedList<PcepValueType> optionalTlv = new LinkedList<>();
+
+        long portNo = portNum.toLong();
+        portNo = ((portNo & IDENTIFIER_SET) == IDENTIFIER_SET) ? portNo & SET : portNo;
+
+        optionalTlv.add(NexthopIPv4addressTlv.of((int) portNo));
+
+        PcepLabelObject labelObj = pc.factory().buildLabelObject()
+                                   .setOFlag(labelType == OUT_LABEL_TYPE ? true : false)
+                                   .setOptionalTlv(optionalTlv)
+                                   .setLabel((int) labelId.labelId())
+                                   .build();
+
+        /**
+         * Check whether transit node or not. For transit node, label update message should include IN and OUT labels.
+         * Hence store IN label object and next when out label comes add IN and OUT label objects and encode label
+         * update message and send to specified client.
+         */
+        if (!deviceId.equals(tunnel.path().src().deviceId()) && !deviceId.equals(tunnel.path().dst().deviceId())) {
+            //Device is transit node
+            if (labelType == OUT_LABEL_TYPE) {
+                //Store label object having IN label value
+                this.labelObj = labelObj;
+                return;
+            }
+            //Add IN label object
+            labelObjects.add(this.labelObj);
+        }
+
+        //Add OUT label object in case of transit node
+        labelObjects.add(labelObj);
+
+        srpObj = getSrpObject(pc, type, false);
+
+        String lspId = tunnel.annotations().value(PcepAnnotationKeys.LOCAL_LSP_ID);
+        String plspId = tunnel.annotations().value(PcepAnnotationKeys.PLSP_ID);
+        String tunnelIdentifier = tunnel.annotations().value(PcepAnnotationKeys.PCC_TUNNEL_ID);
+
+        LinkedList<PcepValueType> tlvs = new LinkedList<>();
+        StatefulIPv4LspIdentifiersTlv lspIdTlv = new StatefulIPv4LspIdentifiersTlv(((IpTunnelEndPoint) tunnel.src())
+                .ip().getIp4Address().toInt(), Short.valueOf(lspId), Short.valueOf(tunnelIdentifier),
+                ((IpTunnelEndPoint) tunnel.src()).ip().getIp4Address().toInt(),
+                ((IpTunnelEndPoint) tunnel.dst()).ip().getIp4Address().toInt());
+        tlvs.add(lspIdTlv);
+
+        if (tunnel.tunnelName().value() != null) {
+            SymbolicPathNameTlv pathNameTlv = new SymbolicPathNameTlv(tunnel.tunnelName().value().getBytes());
+            tlvs.add(pathNameTlv);
+        }
+
+        boolean delegated = (tunnel.annotations().value(DELEGATE) == null) ? false
+                                                                           : Boolean.valueOf(tunnel.annotations()
+                                                                                   .value(DELEGATE));
+        boolean initiated = (tunnel.annotations().value(PCE_INIT) == null) ? false
+                                                                           : Boolean.valueOf(tunnel.annotations()
+                                                                                   .value(PCE_INIT));
+
+        lspObj = pc.factory().buildLspObject()
+                .setRFlag(false)
+                .setAFlag(true)
+                .setDFlag(delegated)
+                .setCFlag(initiated)
+                .setPlspId(Integer.valueOf(plspId))
+                .setOptionalTlv(tlvs)
+                .build();
+
+        labelDownload.setLabelList(labelObjects);
+        labelDownload.setLspObject(lspObj);
+        labelDownload.setSrpObject(srpObj);
+
+        labelUpdateList.add(pc.factory().buildPcepLabelUpdateObject()
+                            .setLabelDownload(labelDownload)
+                            .build());
+
+        PcepLabelUpdateMsg labelMsg = pc.factory().buildPcepLabelUpdateMsg()
+                                      .setPcLabelUpdateList(labelUpdateList)
+                                      .build();
+
+        pc.sendMessage(labelMsg);
+
+        //If isBos is true, label download is done along the LSP, send PCEP update message.
+        if (isBos) {
+            sendPcepUpdateMsg(pc, lspObj, tunnel);
+        }
+    }
+
+   //Sends PCEP update message.
+   private void sendPcepUpdateMsg(PcepClient pc, PcepLspObject lspObj, Tunnel tunnel) throws PcepParseException {
+       LinkedList<PcepUpdateRequest> updateRequestList = new LinkedList<>();
+       LinkedList<PcepValueType> subObjects = createEroSubObj(tunnel.path());
+
+       if (subObjects == null) {
+           log.error("ERO subjects not present");
+           return;
+       }
+
+       // set PathSetupTypeTlv of SRP object
+       LinkedList<PcepValueType> llOptionalTlv = new LinkedList<PcepValueType>();
+       LspType lspSigType = LspType.valueOf(tunnel.annotations().value(LSP_SIG_TYPE));
+       llOptionalTlv.add(new PathSetupTypeTlv(lspSigType.type()));
+
+       PcepSrpObject srpObj = pc.factory().buildSrpObject()
+                              .setRFlag(false)
+                              .setSrpID(SrpIdGenerators.create())
+                              .setOptionalTlv(llOptionalTlv)
+                              .build();
+
+       PcepEroObject eroObj = pc.factory().buildEroObject()
+                             .setSubObjects(subObjects)
+                             .build();
+
+       float  iBandwidth = 0;
+       if (tunnel.annotations().value(BANDWIDTH) != null) {
+           //iBandwidth = Float.floatToIntBits(Float.parseFloat(tunnel.annotations().value(BANDWIDTH)));
+           iBandwidth = Float.parseFloat(tunnel.annotations().value(BANDWIDTH));
+       }
+       // build bandwidth object
+       PcepBandwidthObject bandwidthObject = pc.factory().buildBandwidthObject()
+                                             .setBandwidth(iBandwidth)
+                                             .build();
+       // build pcep attribute
+       PcepAttribute pcepAttribute = pc.factory().buildPcepAttribute()
+                                     .setBandwidthObject(bandwidthObject)
+                                     .build();
+
+       PcepMsgPath msgPath = pc.factory().buildPcepMsgPath()
+                             .setEroObject(eroObj)
+                             .setPcepAttribute(pcepAttribute)
+                             .build();
+
+       PcepUpdateRequest updateReq = pc.factory().buildPcepUpdateRequest()
+                                    .setSrpObject(srpObj)
+                                    .setMsgPath(msgPath)
+                                    .setLspObject(lspObj)
+                                    .build();
+
+       updateRequestList.add(updateReq);
+
+       //TODO: P = 1 is it P flag in PCEP obj header
+       PcepUpdateMsg updateMsg = pc.factory().buildUpdateMsg()
+                                 .setUpdateRequestList(updateRequestList)
+                                 .build();
+
+       pc.sendMessage(updateMsg);
+   }
+
+   private LinkedList<PcepValueType> createEroSubObj(Path path) {
+       LinkedList<PcepValueType> subObjects = new LinkedList<>();
+       List<Link> links = path.links();
+       ConnectPoint source = null;
+       ConnectPoint destination = null;
+       IpAddress ipDstAddress = null;
+       IpAddress ipSrcAddress = null;
+       PcepValueType subObj = null;
+       long portNo;
+
+       for (Link link : links) {
+           source = link.src();
+           if (!(source.equals(destination))) {
+               //set IPv4SubObject for ERO object
+               portNo = source.port().toLong();
+               portNo = ((portNo & IDENTIFIER_SET) == IDENTIFIER_SET) ? portNo & SET : portNo;
+               ipSrcAddress = Ip4Address.valueOf((int) portNo);
+               subObj = new IPv4SubObject(ipSrcAddress.getIp4Address().toInt());
+               subObjects.add(subObj);
+           }
+
+           destination = link.dst();
+           portNo = destination.port().toLong();
+           portNo = ((portNo & IDENTIFIER_SET) == IDENTIFIER_SET) ? portNo & SET : portNo;
+           ipDstAddress = Ip4Address.valueOf((int) portNo);
+           subObj = new IPv4SubObject(ipDstAddress.getIp4Address().toInt());
+           subObjects.add(subObj);
+       }
+       return subObjects;
+   }
+
+   private PcepSrpObject getSrpObject(PcepClient pc, PcepLabelOp type, boolean bSFlag)
+           throws PcepParseException {
+       PcepSrpObject srpObj;
+       boolean bRFlag = false;
+
+       if (!type.equals(PcepLabelOp.ADD)) {
+           // To cleanup labels, R bit is set
+           bRFlag = true;
+       }
+
+       srpObj = pc.factory().buildSrpObject()
+               .setRFlag(bRFlag)
+               .setSFlag(bSFlag)
+               .setSrpID(SrpIdGenerators.create())
+               .build();
+
+       return srpObj;
+   }
+
+   /**
+    * Returns PCEP client.
+    *
+    * @return PCEP client
+    */
+   private PcepClient getPcepClient(DeviceId deviceId) {
+       Device device = deviceService.getDevice(deviceId);
+
+       // In future projections instead of annotations will be used to fetch LSR ID.
+       String lsrId = device.annotations().value(LSRID);
+       PcepClient pcc = clientController.getClient(PccId.pccId(IpAddress.valueOf(lsrId)));
+       return pcc;
+   }
+}

@@ -14,7 +14,7 @@
  * limitations under the License.
  * limitations under the License.
  */
  */
 
 
-package org.onosproject.pce.pceservice;
+package org.onosproject.pcep.controller.impl;
 
 
 /**
 /**
  * Describes about Label type.
  * Describes about Label type.

@@ -13,9 +13,11 @@
  * See the License for the specific language governing permissions and
  * See the License for the specific language governing permissions and
  * limitations under the License.
  * limitations under the License.
  */
  */
-package org.onosproject.pce.pceservice;
+package org.onosproject.pcep.controller.impl;
 
 
 import static com.google.common.base.Preconditions.checkNotNull;
 import static com.google.common.base.Preconditions.checkNotNull;
+import static org.onosproject.pcep.controller.PcepSyncStatus.IN_SYNC;
+import static org.onosproject.pcep.controller.PcepSyncStatus.SYNCED;
 
 
 import java.util.Collection;
 import java.util.Collection;
 import java.util.Iterator;
 import java.util.Iterator;
@@ -26,9 +28,6 @@ import java.util.Map;
 import java.util.Set;
 import java.util.Set;
 
 
 import org.onlab.packet.IpAddress;
 import org.onlab.packet.IpAddress;
-import org.onlab.packet.IpPrefix;
-import org.onlab.packet.MplsLabel;
-import org.onosproject.core.ApplicationId;
 import org.onosproject.incubator.net.resource.label.DefaultLabelResource;
 import org.onosproject.incubator.net.resource.label.DefaultLabelResource;
 import org.onosproject.incubator.net.resource.label.LabelResource;
 import org.onosproject.incubator.net.resource.label.LabelResource;
 import org.onosproject.incubator.net.resource.label.LabelResourceId;
 import org.onosproject.incubator.net.resource.label.LabelResourceId;
@@ -37,20 +36,24 @@ import org.onosproject.incubator.net.resource.label.LabelResourceService;
 import org.onosproject.incubator.net.tunnel.DefaultLabelStack;
 import org.onosproject.incubator.net.tunnel.DefaultLabelStack;
 import org.onosproject.incubator.net.tunnel.LabelStack;
 import org.onosproject.incubator.net.tunnel.LabelStack;
 import org.onosproject.net.device.DeviceService;
 import org.onosproject.net.device.DeviceService;
+import org.onosproject.pcelabelstore.PcepLabelOp;
+import org.onosproject.pcelabelstore.api.PceLabelStore;
 import org.onosproject.net.Device;
 import org.onosproject.net.Device;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.DeviceId;
-import org.onosproject.pce.pcestore.api.PceStore;
 import org.onosproject.net.Link;
 import org.onosproject.net.Link;
 import org.onosproject.net.Path;
 import org.onosproject.net.Path;
-import org.onosproject.net.PortNumber;
-import org.onosproject.net.flow.DefaultTrafficSelector;
-import org.onosproject.net.flow.DefaultTrafficTreatment;
-import org.onosproject.net.flow.TrafficSelector;
-import org.onosproject.net.flow.TrafficTreatment;
-import org.onosproject.net.flowobjective.DefaultForwardingObjective;
-import org.onosproject.net.flowobjective.FlowObjectiveService;
-import org.onosproject.net.flowobjective.ForwardingObjective;
-import org.onosproject.net.flowobjective.Objective;
+import org.onosproject.pcep.controller.PccId;
+import org.onosproject.pcep.controller.PcepClient;
+import org.onosproject.pcep.controller.PcepClientController;
+import org.onosproject.pcep.controller.SrpIdGenerators;
+import org.onosproject.pcepio.exceptions.PcepParseException;
+import org.onosproject.pcepio.protocol.PcepFecObjectIPv4;
+import org.onosproject.pcepio.protocol.PcepFecObjectIPv4Adjacency;
+import org.onosproject.pcepio.protocol.PcepLabelObject;
+import org.onosproject.pcepio.protocol.PcepLabelUpdate;
+import org.onosproject.pcepio.protocol.PcepLabelUpdateMsg;
+import org.onosproject.pcepio.protocol.PcepSrpObject;
+import org.onosproject.pcepio.types.PcepLabelMap;
 import org.slf4j.Logger;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.slf4j.LoggerFactory;
 
 
@@ -75,14 +78,12 @@ public final class PceccSrTeBeHandler {
     private static final String LINK_NULL = "Link cannot be null";
     private static final String LINK_NULL = "Link cannot be null";
     private static final String PATH_NULL = "Path cannot be null";
     private static final String PATH_NULL = "Path cannot be null";
     private static final String LSR_ID = "lsrId";
     private static final String LSR_ID = "lsrId";
-    private static final int PREFIX_LENGTH = 32;
     private static PceccSrTeBeHandler srTeHandlerInstance = null;
     private static PceccSrTeBeHandler srTeHandlerInstance = null;
     private LabelResourceAdminService labelRsrcAdminService;
     private LabelResourceAdminService labelRsrcAdminService;
     private LabelResourceService labelRsrcService;
     private LabelResourceService labelRsrcService;
-    private FlowObjectiveService flowObjectiveService;
     private DeviceService deviceService;
     private DeviceService deviceService;
-    private PceStore pceStore;
-    private ApplicationId appId;
+    private PcepClientController clientController;
+    private PceLabelStore pceStore;
 
 
     /**
     /**
      * Initializes default values.
      * Initializes default values.
@@ -107,19 +108,18 @@ public final class PceccSrTeBeHandler {
      *
      *
      * @param labelRsrcAdminService label resource admin service
      * @param labelRsrcAdminService label resource admin service
      * @param labelRsrcService label resource service
      * @param labelRsrcService label resource service
-     * @param flowObjectiveService flow objective service to push device label information
-     * @param appId application id
      * @param pceStore PCE label store
      * @param pceStore PCE label store
      * @param deviceService device service
      * @param deviceService device service
      */
      */
-    public void initialize(LabelResourceAdminService labelRsrcAdminService, LabelResourceService labelRsrcService,
-                           FlowObjectiveService flowObjectiveService, ApplicationId appId, PceStore pceStore,
+    public void initialize(LabelResourceAdminService labelRsrcAdminService,
+                           LabelResourceService labelRsrcService,
+                           PcepClientController clientController,
+                           PceLabelStore pceStore,
                            DeviceService deviceService) {
                            DeviceService deviceService) {
         this.labelRsrcAdminService = labelRsrcAdminService;
         this.labelRsrcAdminService = labelRsrcAdminService;
         this.labelRsrcService = labelRsrcService;
         this.labelRsrcService = labelRsrcService;
-        this.flowObjectiveService = flowObjectiveService;
+        this.clientController = clientController;
         this.pceStore = pceStore;
         this.pceStore = pceStore;
-        this.appId = appId;
         this.deviceService = deviceService;
         this.deviceService = deviceService;
     }
     }
 
 
@@ -208,14 +208,20 @@ public final class PceccSrTeBeHandler {
         pceStore.addGlobalNodeLabel(specificDeviceId, specificLabelId);
         pceStore.addGlobalNodeLabel(specificDeviceId, specificLabelId);
 
 
         // Push its label information into specificDeviceId
         // Push its label information into specificDeviceId
-        advertiseNodeLabelRule(specificDeviceId, specificLabelId,
-                               IpPrefix.valueOf(IpAddress.valueOf(specificLsrId), PREFIX_LENGTH),
-                               Objective.Operation.ADD, false);
+        PcepClient pcc = getPcepClient(specificDeviceId);
+        try {
+            pushGlobalNodeLabel(pcc,
+                                specificLabelId,
+                                IpAddress.valueOf(specificLsrId).getIp4Address().toInt(),
+                                PcepLabelOp.ADD,
+                                false);
+        } catch (PcepParseException e) {
+            log.error("Failed to push global node label for LSR {}.", specificLsrId.toString());
+        }
 
 
         // Configure (node-label, lsr-id) mapping of each devices into specific device and vice versa.
         // Configure (node-label, lsr-id) mapping of each devices into specific device and vice versa.
         for (Map.Entry<DeviceId, LabelResourceId> element : pceStore.getGlobalNodeLabels().entrySet()) {
         for (Map.Entry<DeviceId, LabelResourceId> element : pceStore.getGlobalNodeLabels().entrySet()) {
             DeviceId otherDevId = element.getKey();
             DeviceId otherDevId = element.getKey();
-            LabelResourceId otherLabelId = element.getValue();
 
 
             // Get lsr-id of a device
             // Get lsr-id of a device
             String otherLsrId = getLsrId(otherDevId);
             String otherLsrId = getLsrId(otherDevId);
@@ -228,16 +234,23 @@ public final class PceccSrTeBeHandler {
             // Push to device
             // Push to device
             // Push label information of specificDeviceId to otherDevId in list and vice versa.
             // Push label information of specificDeviceId to otherDevId in list and vice versa.
             if (!otherDevId.equals(specificDeviceId)) {
             if (!otherDevId.equals(specificDeviceId)) {
-                advertiseNodeLabelRule(otherDevId, specificLabelId,
-                                       IpPrefix.valueOf(IpAddress.valueOf(specificLsrId), PREFIX_LENGTH),
-                                       Objective.Operation.ADD, false);
+                try {
+                    pushGlobalNodeLabel(getPcepClient(otherDevId),
+                                        specificLabelId,
+                                        IpAddress.valueOf(specificLsrId).getIp4Address().toInt(),
+                                        PcepLabelOp.ADD,
+                                        false);
 
 
-                advertiseNodeLabelRule(specificDeviceId, otherLabelId,
-                                       IpPrefix.valueOf(IpAddress.valueOf(otherLsrId), PREFIX_LENGTH),
-                                       Objective.Operation.ADD, false);
+                    pushGlobalNodeLabel(pcc, specificLabelId,
+                                        IpAddress.valueOf(otherLsrId).getIp4Address().toInt(),
+                                        PcepLabelOp.ADD,
+                                        false);
+                } catch (PcepParseException e) {
+                    log.error("Failed to push global node label for LSR {} or LSR {}.", specificLsrId.toString(),
+                              otherLsrId.toString());
+                }
             }
             }
         }
         }
-
         return true;
         return true;
     }
     }
 
 
@@ -271,9 +284,15 @@ public final class PceccSrTeBeHandler {
             // Remove this specific device label information from all other nodes except
             // Remove this specific device label information from all other nodes except
             // this specific node where connection already lost.
             // this specific node where connection already lost.
             if (!specificDeviceId.equals(otherDevId)) {
             if (!specificDeviceId.equals(otherDevId)) {
-                advertiseNodeLabelRule(otherDevId, labelId,
-                                       IpPrefix.valueOf(IpAddress.valueOf(specificLsrId), PREFIX_LENGTH),
-                                       Objective.Operation.REMOVE, false);
+                try {
+                    pushGlobalNodeLabel(getPcepClient(otherDevId),
+                                        labelId,
+                                        IpAddress.valueOf(specificLsrId).getIp4Address().toInt(),
+                                        PcepLabelOp.REMOVE,
+                                        false);
+                } catch (PcepParseException e) {
+                    log.error("Failed to push global node label for LSR {}.", specificLsrId.toString());
+                }
             }
             }
         }
         }
 
 
@@ -290,7 +309,6 @@ public final class PceccSrTeBeHandler {
             log.error("Unable to remove global node label id {} from store.", labelId.toString());
             log.error("Unable to remove global node label id {} from store.", labelId.toString());
             retValue = false;
             retValue = false;
         }
         }
-
         return retValue;
         return retValue;
     }
     }
 
 
@@ -335,7 +353,13 @@ public final class PceccSrTeBeHandler {
         log.debug("Allocated adjacency label {} to a link {}.", labelId.toString(), link.toString());
         log.debug("Allocated adjacency label {} to a link {}.", labelId.toString(), link.toString());
 
 
         // Push adjacency label to device
         // Push adjacency label to device
-        installAdjLabelRule(srcDeviceId, labelId, link.src().port(), link.dst().port(), Objective.Operation.ADD);
+        try {
+            pushAdjacencyLabel(getPcepClient(srcDeviceId), labelId, (int) link.src().port().toLong(),
+                               (int) link.dst().port().toLong(), PcepLabelOp.ADD);
+        } catch (PcepParseException e) {
+            log.error("Failed to push adjacency label for link {}-{}.", (int) link.src().port().toLong(),
+                      (int) link.dst().port().toLong());
+        }
 
 
         // Save in store
         // Save in store
         pceStore.addAdjLabel(link, labelId);
         pceStore.addAdjLabel(link, labelId);
@@ -365,7 +389,14 @@ public final class PceccSrTeBeHandler {
         DeviceId srcDeviceId = link.src().deviceId();
         DeviceId srcDeviceId = link.src().deviceId();
 
 
         // Release adjacency label from device
         // Release adjacency label from device
-        installAdjLabelRule(srcDeviceId, labelId, link.src().port(), link.dst().port(), Objective.Operation.REMOVE);
+        try {
+            pushAdjacencyLabel(getPcepClient(srcDeviceId), labelId, (int) link.src().port().toLong(),
+                               (int) link.dst().port().toLong(), PcepLabelOp.REMOVE);
+        } catch (PcepParseException e) {
+            log.error("Failed to push adjacency label for link {}-{}.", (int) link.src().port().toLong(),
+                      (int) link.dst().port().toLong());
+        }
+
 
 
         // Release link label from label manager
         // Release link label from label manager
         Multimap<DeviceId, LabelResource> release = ArrayListMultimap.create();
         Multimap<DeviceId, LabelResource> release = ArrayListMultimap.create();
@@ -429,98 +460,125 @@ public final class PceccSrTeBeHandler {
         return new DefaultLabelStack(labelStack);
         return new DefaultLabelStack(labelStack);
     }
     }
 
 
-    /**
-     * Install a rule for pushing unique global labels to the device.
-     *
-     * @param deviceId device to which flow should be pushed
-     * @param labelId label for the device
-     * @param type type of operation
-     */
-    private void installNodeLabelRule(DeviceId deviceId, LabelResourceId labelId, Objective.Operation type) {
-        checkNotNull(flowObjectiveService);
-        checkNotNull(appId);
-        TrafficSelector.Builder selectorBuilder = DefaultTrafficSelector.builder();
+    //Pushes node labels to the specified device.
+    void pushGlobalNodeLabel(PcepClient pc, LabelResourceId labelId,
+            int labelForNode, PcepLabelOp type, boolean isBos) throws PcepParseException {
 
 
-        selectorBuilder.matchMplsLabel(MplsLabel.mplsLabel(labelId.id().intValue()));
+        checkNotNull(pc);
+        checkNotNull(labelId);
+        checkNotNull(type);
 
 
-        TrafficTreatment treatment = DefaultTrafficTreatment.builder().build();
+        LinkedList<PcepLabelUpdate> labelUpdateList = new LinkedList<>();
+        PcepFecObjectIPv4 fecObject = pc.factory().buildFecObjectIpv4()
+                                      .setNodeID(labelForNode)
+                                      .build();
 
 
-        ForwardingObjective.Builder forwardingObjective = DefaultForwardingObjective.builder()
-                .withSelector(selectorBuilder.build()).withTreatment(treatment)
-                .withFlag(ForwardingObjective.Flag.VERSATILE).fromApp(appId).makePermanent();
+        boolean bSFlag = false;
+        if (pc.labelDbSyncStatus() == IN_SYNC && !isBos) {
+            // Need to set sync flag in all messages till sync completes.
+            bSFlag = true;
+        }
 
 
-        if (type.equals(Objective.Operation.ADD)) {
+        PcepSrpObject srpObj = getSrpObject(pc, type, bSFlag);
 
 
-            flowObjectiveService.forward(deviceId, forwardingObjective.add());
-        } else {
-            flowObjectiveService.forward(deviceId, forwardingObjective.remove());
+        //Global NODE-SID as label object
+        PcepLabelObject labelObject = pc.factory().buildLabelObject()
+                                      .setLabel((int) labelId.labelId())
+                                      .build();
+
+        PcepLabelMap labelMap = new PcepLabelMap();
+        labelMap.setFecObject(fecObject);
+        labelMap.setLabelObject(labelObject);
+        labelMap.setSrpObject(srpObj);
+
+        labelUpdateList.add(pc.factory().buildPcepLabelUpdateObject()
+                            .setLabelMap(labelMap)
+                            .build());
+
+        PcepLabelUpdateMsg labelMsg = pc.factory().buildPcepLabelUpdateMsg()
+                                      .setPcLabelUpdateList(labelUpdateList)
+                                      .build();
+        pc.sendMessage(labelMsg);
+
+        if (isBos) {
+            // Sync is completed.
+            pc.setLabelDbSyncStatus(SYNCED);
         }
         }
     }
     }
 
 
-    /**
-     * Install a rule for pushing node labels to the device of other nodes.
-     *
-     * @param deviceId device to which flow should be pushed
-     * @param labelId label for the device
-     * @param ipPrefix device for which label is pushed
-     * @param type type of operation
-     * @param bBos is this the end of sync push
-     */
-    public void advertiseNodeLabelRule(DeviceId deviceId, LabelResourceId labelId, IpPrefix ipPrefix,
-                                       Objective.Operation type, boolean bBos) {
-        checkNotNull(flowObjectiveService);
-        checkNotNull(appId);
-        TrafficSelector.Builder selectorBuilder = DefaultTrafficSelector.builder();
+    //Pushes adjacency labels to the specified device.
+    void pushAdjacencyLabel(PcepClient pc, LabelResourceId labelId, int srcPortNo,
+                                    int dstPortNo, PcepLabelOp type)
+            throws PcepParseException {
+
+        checkNotNull(pc);
+        checkNotNull(labelId);
+        checkNotNull(type);
 
 
-        selectorBuilder.matchMplsLabel(MplsLabel.mplsLabel(labelId.id().intValue()));
-        selectorBuilder.matchIPSrc(ipPrefix);
+        LinkedList<PcepLabelUpdate> labelUpdateList = new LinkedList<>();
+        PcepFecObjectIPv4Adjacency fecAdjObject = pc.factory().buildFecIpv4Adjacency()
+                                                  .seRemoteIPv4Address(dstPortNo)
+                                                  .seLocalIPv4Address(srcPortNo)
+                                                  .build();
 
 
-        if (bBos) {
-            selectorBuilder.matchMplsBos(bBos);
+        boolean bSFlag = false;
+        if (pc.labelDbSyncStatus() == IN_SYNC) {
+            // Need to set sync flag in all messages till sync completes.
+            bSFlag = true;
         }
         }
 
 
-        TrafficTreatment treatment = DefaultTrafficTreatment.builder().build();
+        PcepSrpObject srpObj = getSrpObject(pc, type, bSFlag);
 
 
-        ForwardingObjective.Builder forwardingObjective = DefaultForwardingObjective.builder()
-                .withSelector(selectorBuilder.build()).withTreatment(treatment)
-                .withFlag(ForwardingObjective.Flag.VERSATILE).fromApp(appId).makePermanent();
+        //Adjacency label object
+        PcepLabelObject labelObject = pc.factory().buildLabelObject()
+                                      .setLabel((int) labelId.labelId())
+                                      .build();
 
 
-        if (type.equals(Objective.Operation.ADD)) {
-            flowObjectiveService.forward(deviceId, forwardingObjective.add());
-        } else {
-            flowObjectiveService.forward(deviceId, forwardingObjective.remove());
+        PcepLabelMap labelMap = new PcepLabelMap();
+        labelMap.setFecObject(fecAdjObject);
+        labelMap.setLabelObject(labelObject);
+        labelMap.setSrpObject(srpObj);
+
+        labelUpdateList.add(pc.factory().buildPcepLabelUpdateObject()
+                            .setLabelMap(labelMap)
+                            .build());
+
+        PcepLabelUpdateMsg labelMsg = pc.factory().buildPcepLabelUpdateMsg()
+                                      .setPcLabelUpdateList(labelUpdateList)
+                                      .build();
+        pc.sendMessage(labelMsg);
+    }
+
+    private PcepSrpObject getSrpObject(PcepClient pc, PcepLabelOp type, boolean bSFlag)
+            throws PcepParseException {
+        PcepSrpObject srpObj;
+        boolean bRFlag = false;
+
+        if (!type.equals(PcepLabelOp.ADD)) {
+            // To cleanup labels, R bit is set
+            bRFlag = true;
         }
         }
+
+        srpObj = pc.factory().buildSrpObject()
+                .setRFlag(bRFlag)
+                .setSFlag(bSFlag)
+                .setSrpID(SrpIdGenerators.create())
+                .build();
+
+        return srpObj;
     }
     }
 
 
     /**
     /**
-     * Install a rule for pushing Adjacency labels to the device.
+     * Returns PCEP client.
      *
      *
-     * @param deviceId device to which flow should be pushed
-     * @param labelId label for the adjacency
-     * @param srcPortNum local port of the adjacency
-     * @param dstPortNum remote port of the adjacency
-     * @param type type of operation
+     * @return PCEP client
      */
      */
-    public void installAdjLabelRule(DeviceId deviceId, LabelResourceId labelId, PortNumber srcPortNum,
-                                    PortNumber dstPortNum, Objective.Operation type) {
-        checkNotNull(flowObjectiveService);
-        checkNotNull(appId);
-        TrafficSelector.Builder selectorBuilder = DefaultTrafficSelector.builder();
-
-        selectorBuilder.matchMplsLabel(MplsLabel.mplsLabel(labelId.id().intValue()));
-        selectorBuilder.matchIPSrc(IpPrefix.valueOf((int) srcPortNum.toLong(), 32));
-        selectorBuilder.matchIPDst(IpPrefix.valueOf((int) dstPortNum.toLong(), 32));
-
-        TrafficTreatment treatment = DefaultTrafficTreatment.builder().build();
-
-        ForwardingObjective.Builder forwardingObjective = DefaultForwardingObjective.builder()
-                .withSelector(selectorBuilder.build()).withTreatment(treatment)
-                .withFlag(ForwardingObjective.Flag.VERSATILE).fromApp(appId).makePermanent();
+    private PcepClient getPcepClient(DeviceId deviceId) {
+        Device device = deviceService.getDevice(deviceId);
 
 
-        if (type.equals(Objective.Operation.ADD)) {
-            flowObjectiveService.forward(deviceId, forwardingObjective.add());
-        } else {
-            flowObjectiveService.forward(deviceId, forwardingObjective.remove());
-        }
+        // In future projections instead of annotations will be used to fetch LSR ID.
+        String lsrId = device.annotations().value(LSR_ID);
+        PcepClient pcc = clientController.getClient(PccId.pccId(IpAddress.valueOf(lsrId)));
+        return pcc;
     }
     }
 }
 }

@@ -26,6 +26,7 @@ import java.util.List;
 import java.util.ListIterator;
 import java.util.ListIterator;
 import java.util.Map;
 import java.util.Map;
 import java.util.Set;
 import java.util.Set;
+import java.util.Map.Entry;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentHashMap;
 
 
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Activate;
@@ -34,12 +35,40 @@ import org.apache.felix.scr.annotations.Deactivate;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.ReferenceCardinality;
 import org.apache.felix.scr.annotations.ReferenceCardinality;
 import org.apache.felix.scr.annotations.Service;
 import org.apache.felix.scr.annotations.Service;
+import org.onlab.packet.Ip4Address;
+import org.onlab.packet.IpAddress;
+import org.onosproject.incubator.net.resource.label.LabelResourceAdminService;
+import org.onosproject.incubator.net.resource.label.LabelResourceId;
+import org.onosproject.incubator.net.resource.label.LabelResourceService;
+import org.onosproject.incubator.net.tunnel.DefaultLabelStack;
+import org.onosproject.incubator.net.tunnel.DefaultTunnel;
 import org.onosproject.incubator.net.tunnel.IpTunnelEndPoint;
 import org.onosproject.incubator.net.tunnel.IpTunnelEndPoint;
+import org.onosproject.incubator.net.tunnel.LabelStack;
 import org.onosproject.incubator.net.tunnel.Tunnel;
 import org.onosproject.incubator.net.tunnel.Tunnel;
 import org.onosproject.incubator.net.tunnel.TunnelService;
 import org.onosproject.incubator.net.tunnel.TunnelService;
 import org.onosproject.incubator.net.tunnel.Tunnel.State;
 import org.onosproject.incubator.net.tunnel.Tunnel.State;
+import org.onosproject.mastership.MastershipService;
+import org.onosproject.net.DefaultAnnotations;
+import org.onosproject.net.DefaultAnnotations.Builder;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.Link;
+import org.onosproject.net.MastershipRole;
+import org.onosproject.net.Path;
+import org.onosproject.net.config.NetworkConfigEvent;
+import org.onosproject.net.config.NetworkConfigListener;
+import org.onosproject.net.config.NetworkConfigService;
+import org.onosproject.net.device.DeviceEvent;
+import org.onosproject.net.device.DeviceListener;
 import org.onosproject.net.device.DeviceService;
 import org.onosproject.net.device.DeviceService;
+import org.onosproject.net.link.LinkEvent;
+import org.onosproject.net.link.LinkListener;
+import org.onosproject.net.link.LinkService;
+import org.onosproject.pcelabelstore.PcepLabelOp;
+import org.onosproject.pcelabelstore.api.PceLabelStore;
+import org.onosproject.pcep.api.DeviceCapability;
 import org.onosproject.pcep.controller.LspKey;
 import org.onosproject.pcep.controller.LspKey;
+import org.onosproject.pcep.controller.LspType;
 import org.onosproject.pcep.controller.PccId;
 import org.onosproject.pcep.controller.PccId;
 import org.onosproject.pcep.controller.PcepClient;
 import org.onosproject.pcep.controller.PcepClient;
 import org.onosproject.pcep.controller.PcepClientController;
 import org.onosproject.pcep.controller.PcepClientController;
@@ -47,8 +76,6 @@ import org.onosproject.pcep.controller.PcepClientListener;
 import org.onosproject.pcep.controller.PcepEventListener;
 import org.onosproject.pcep.controller.PcepEventListener;
 import org.onosproject.pcep.controller.PcepLspStatus;
 import org.onosproject.pcep.controller.PcepLspStatus;
 import org.onosproject.pcep.controller.PcepNodeListener;
 import org.onosproject.pcep.controller.PcepNodeListener;
-import org.onosproject.pcep.controller.PcepPacketListener;
-import org.onosproject.pcep.controller.PcepSyncStatus;
 import org.onosproject.pcep.controller.SrpIdGenerators;
 import org.onosproject.pcep.controller.SrpIdGenerators;
 import org.onosproject.pcep.controller.driver.PcepAgent;
 import org.onosproject.pcep.controller.driver.PcepAgent;
 import org.onosproject.pcepio.exceptions.PcepParseException;
 import org.onosproject.pcepio.exceptions.PcepParseException;
@@ -61,10 +88,15 @@ import org.onosproject.pcepio.protocol.PcepFactory;
 import org.onosproject.pcepio.protocol.PcepInitiateMsg;
 import org.onosproject.pcepio.protocol.PcepInitiateMsg;
 import org.onosproject.pcepio.protocol.PcepLspObject;
 import org.onosproject.pcepio.protocol.PcepLspObject;
 import org.onosproject.pcepio.protocol.PcepMessage;
 import org.onosproject.pcepio.protocol.PcepMessage;
+import org.onosproject.pcepio.protocol.PcepNai;
 import org.onosproject.pcepio.protocol.PcepReportMsg;
 import org.onosproject.pcepio.protocol.PcepReportMsg;
 import org.onosproject.pcepio.protocol.PcepSrpObject;
 import org.onosproject.pcepio.protocol.PcepSrpObject;
 import org.onosproject.pcepio.protocol.PcepStateReport;
 import org.onosproject.pcepio.protocol.PcepStateReport;
+import org.onosproject.pcepio.types.PathSetupTypeTlv;
+import org.onosproject.pcepio.types.PcepNaiIpv4Adjacency;
+import org.onosproject.pcepio.types.PcepNaiIpv4NodeId;
 import org.onosproject.pcepio.types.PcepValueType;
 import org.onosproject.pcepio.types.PcepValueType;
+import org.onosproject.pcepio.types.SrEroSubObject;
 import org.onosproject.pcepio.types.StatefulIPv4LspIdentifiersTlv;
 import org.onosproject.pcepio.types.StatefulIPv4LspIdentifiersTlv;
 import org.onosproject.pcepio.types.SymbolicPathNameTlv;
 import org.onosproject.pcepio.types.SymbolicPathNameTlv;
 import org.slf4j.Logger;
 import org.slf4j.Logger;
@@ -74,11 +106,23 @@ import com.google.common.collect.Sets;
 import static com.google.common.base.Preconditions.checkNotNull;
 import static com.google.common.base.Preconditions.checkNotNull;
 
 
 import static org.onosproject.pcep.controller.PcepSyncStatus.IN_SYNC;
 import static org.onosproject.pcep.controller.PcepSyncStatus.IN_SYNC;
+import static org.onosproject.pcep.controller.LspType.WITHOUT_SIGNALLING_AND_WITHOUT_SR;
+import static org.onosproject.pcep.controller.LspType.WITH_SIGNALLING;
 import static org.onosproject.pcep.controller.PcepLspSyncAction.REMOVE;
 import static org.onosproject.pcep.controller.PcepLspSyncAction.REMOVE;
 import static org.onosproject.pcep.controller.PcepLspSyncAction.SEND_UPDATE;
 import static org.onosproject.pcep.controller.PcepLspSyncAction.SEND_UPDATE;
 import static org.onosproject.pcep.controller.PcepLspSyncAction.UNSTABLE;
 import static org.onosproject.pcep.controller.PcepLspSyncAction.UNSTABLE;
 import static org.onosproject.pcepio.types.PcepErrorDetailInfo.ERROR_TYPE_19;
 import static org.onosproject.pcepio.types.PcepErrorDetailInfo.ERROR_TYPE_19;
 import static org.onosproject.pcepio.types.PcepErrorDetailInfo.ERROR_VALUE_5;
 import static org.onosproject.pcepio.types.PcepErrorDetailInfo.ERROR_VALUE_5;
+import static org.onosproject.pcep.controller.PcepAnnotationKeys.BANDWIDTH;
+import static org.onosproject.pcep.controller.PcepAnnotationKeys.LOCAL_LSP_ID;
+import static org.onosproject.pcep.controller.PcepAnnotationKeys.LSP_SIG_TYPE;
+import static org.onosproject.pcep.controller.PcepAnnotationKeys.PCC_TUNNEL_ID;
+import static org.onosproject.pcep.controller.PcepAnnotationKeys.PCE_INIT;
+import static org.onosproject.pcep.controller.PcepAnnotationKeys.PLSP_ID;
+import static org.onosproject.pcep.controller.PcepAnnotationKeys.DELEGATE;
+import static org.onosproject.pcep.controller.PcepAnnotationKeys.COST_TYPE;
+import static org.onosproject.pcep.controller.PcepSyncStatus.SYNCED;
+import static org.onosproject.pcep.controller.PcepSyncStatus.NOT_SYNCED;
 
 
 /**
 /**
  * Implementation of PCEP client controller.
  * Implementation of PCEP client controller.
@@ -88,10 +132,33 @@ import static org.onosproject.pcepio.types.PcepErrorDetailInfo.ERROR_VALUE_5;
 public class PcepClientControllerImpl implements PcepClientController {
 public class PcepClientControllerImpl implements PcepClientController {
 
 
     private static final Logger log = LoggerFactory.getLogger(PcepClientControllerImpl.class);
     private static final Logger log = LoggerFactory.getLogger(PcepClientControllerImpl.class);
+    private static final long IDENTIFIER_SET = 0x100000000L;
+    private static final long SET = 0xFFFFFFFFL;
 
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected DeviceService deviceService;
     protected DeviceService deviceService;
 
 
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected LinkService linkService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected TunnelService tunnelService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected NetworkConfigService netCfgService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected MastershipService mastershipService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected LabelResourceAdminService labelRsrcAdminService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected LabelResourceService labelRsrcService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected PceLabelStore pceStore;
+
     protected ConcurrentHashMap<PccId, PcepClient> connectedClients =
     protected ConcurrentHashMap<PccId, PcepClient> connectedClients =
             new ConcurrentHashMap<>();
             new ConcurrentHashMap<>();
 
 
@@ -100,25 +167,44 @@ public class PcepClientControllerImpl implements PcepClientController {
 
 
     protected Set<PcepEventListener> pcepEventListener = Sets.newHashSet();
     protected Set<PcepEventListener> pcepEventListener = Sets.newHashSet();
     protected Set<PcepNodeListener> pcepNodeListener = Sets.newHashSet();
     protected Set<PcepNodeListener> pcepNodeListener = Sets.newHashSet();
-    protected Set<PcepPacketListener> pcepPacketListener = Sets.newHashSet();
+
+    // LSR-id and device-id mapping for checking capability if L3 device is not
+    // having its capability
+    private Map<String, DeviceId> lsrIdDeviceIdMap = new HashMap<>();
 
 
     private final Controller ctrl = new Controller();
     private final Controller ctrl = new Controller();
+    public static final long GLOBAL_LABEL_SPACE_MIN = 4097;
+    public static final long GLOBAL_LABEL_SPACE_MAX = 5121;
+    private static final String LSRID = "lsrId";
+    private static final String DEVICE_NULL = "Device-cannot be null";
+    private static final String LINK_NULL = "Link-cannot be null";
 
 
-    public static final String BANDWIDTH = "bandwidth";
-    public static final String LSP_SIG_TYPE = "lspSigType";
-    public static final String PCC_TUNNEL_ID = "PccTunnelId";
-    public static final String PLSP_ID = "PLspId";
-    public static final String LOCAL_LSP_ID = "localLspId";
-    public static final String PCE_INIT = "pceInit";
-    public static final String COST_TYPE = "costType";
-    public static final String DELEGATE = "delegation";
+    private BasicPceccHandler crHandler;
+    private PceccSrTeBeHandler srTeHandler;
 
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected TunnelService tunnelService;
+    private DeviceListener deviceListener = new InternalDeviceListener();
+    private LinkListener linkListener = new InternalLinkListener();
+    private InternalConfigListener cfgListener = new InternalConfigListener();
 
 
     @Activate
     @Activate
     public void activate() {
     public void activate() {
         ctrl.start(agent);
         ctrl.start(agent);
+        crHandler = BasicPceccHandler.getInstance();
+        crHandler.initialize(labelRsrcService, deviceService, pceStore, this);
+
+        srTeHandler = PceccSrTeBeHandler.getInstance();
+        srTeHandler.initialize(labelRsrcAdminService, labelRsrcService, this, pceStore,
+                               deviceService);
+
+        deviceService.addListener(deviceListener);
+        linkService.addListener(linkListener);
+        netCfgService.addListener(cfgListener);
+
+        // Reserve global node pool
+        if (!srTeHandler.reserveGlobalPool(GLOBAL_LABEL_SPACE_MIN, GLOBAL_LABEL_SPACE_MAX)) {
+            log.debug("Global node pool was already reserved.");
+        }
+
         log.info("Started");
         log.info("Started");
     }
     }
 
 
@@ -126,6 +212,9 @@ public class PcepClientControllerImpl implements PcepClientController {
     public void deactivate() {
     public void deactivate() {
         // Close all connected clients
         // Close all connected clients
         closeConnectedClients();
         closeConnectedClients();
+        deviceService.removeListener(deviceListener);
+        linkService.removeListener(linkListener);
+        netCfgService.removeListener(cfgListener);
         ctrl.stop();
         ctrl.stop();
         log.info("Stopped");
         log.info("Stopped");
     }
     }
@@ -163,16 +252,6 @@ public class PcepClientControllerImpl implements PcepClientController {
     }
     }
 
 
     @Override
     @Override
-    public void addPacketListener(PcepPacketListener listener) {
-        pcepPacketListener.add(listener);
-    }
-
-    @Override
-    public void removePacketListener(PcepPacketListener listener) {
-        pcepPacketListener.remove(listener);
-    }
-
-    @Override
     public void writeMessage(PccId pccId, PcepMessage msg) {
     public void writeMessage(PccId pccId, PcepMessage msg) {
         this.getClient(pccId).sendMessage(msg);
         this.getClient(pccId).sendMessage(msg);
     }
     }
@@ -239,10 +318,10 @@ public class PcepClientControllerImpl implements PcepClientController {
                     PcepStateReport stateRpt = listIterator.next();
                     PcepStateReport stateRpt = listIterator.next();
                     PcepLspObject lspObj = stateRpt.getLspObject();
                     PcepLspObject lspObj = stateRpt.getLspObject();
                     if (lspObj.getSFlag()) {
                     if (lspObj.getSFlag()) {
-                        if (pc.lspDbSyncStatus() != PcepSyncStatus.IN_SYNC) {
+                        if (pc.lspDbSyncStatus() != IN_SYNC) {
                             log.debug("LSP DB sync started for PCC {}", pc.getPccId().id().toString());
                             log.debug("LSP DB sync started for PCC {}", pc.getPccId().id().toString());
                             // Initialize LSP DB sync and temporary cache.
                             // Initialize LSP DB sync and temporary cache.
-                            pc.setLspDbSyncStatus(PcepSyncStatus.IN_SYNC);
+                            pc.setLspDbSyncStatus(IN_SYNC);
                             pc.initializeSyncMsgList(pccId);
                             pc.initializeSyncMsgList(pccId);
                         }
                         }
                         // Store stateRpt in temporary cache.
                         // Store stateRpt in temporary cache.
@@ -251,18 +330,24 @@ public class PcepClientControllerImpl implements PcepClientController {
                         // Don't send to provider as of now.
                         // Don't send to provider as of now.
                         continue;
                         continue;
                     } else if (lspObj.getPlspId() == 0) {
                     } else if (lspObj.getPlspId() == 0) {
-                        if (pc.lspDbSyncStatus() == PcepSyncStatus.IN_SYNC
-                                || pc.lspDbSyncStatus() == PcepSyncStatus.NOT_SYNCED) {
+                        if (pc.lspDbSyncStatus() == IN_SYNC
+                                || pc.lspDbSyncStatus() == NOT_SYNCED) {
                             // Set end of LSPDB sync.
                             // Set end of LSPDB sync.
                             log.debug("LSP DB sync completed for PCC {}", pc.getPccId().id().toString());
                             log.debug("LSP DB sync completed for PCC {}", pc.getPccId().id().toString());
-                            pc.setLspDbSyncStatus(PcepSyncStatus.SYNCED);
+                            pc.setLspDbSyncStatus(SYNCED);
 
 
                             // Call packet provider to initiate label DB sync (only if PCECC capable).
                             // Call packet provider to initiate label DB sync (only if PCECC capable).
                             if (pc.capability().pceccCapability()) {
                             if (pc.capability().pceccCapability()) {
                                 log.debug("Trigger label DB sync for PCC {}", pc.getPccId().id().toString());
                                 log.debug("Trigger label DB sync for PCC {}", pc.getPccId().id().toString());
                                 pc.setLabelDbSyncStatus(IN_SYNC);
                                 pc.setLabelDbSyncStatus(IN_SYNC);
-                                for (PcepPacketListener l : pcepPacketListener) {
-                                    l.sendPacketIn(pccId);
+                                // Get lsrId of the PCEP client from the PCC ID. Session info is based on lsrID.
+                                String lsrId = String.valueOf(pccId.ipAddress());
+                                DeviceId pccDeviceId = DeviceId.deviceId(lsrId);
+                                try {
+                                    syncLabelDb(pccDeviceId);
+                                    pc.setLabelDbSyncStatus(SYNCED);
+                                } catch (PcepParseException e) {
+                                    log.error("Exception caught in sending label masg to PCC while in sync.");
                                 }
                                 }
                             } else {
                             } else {
                                 // If label db sync is not to be done, handle end of LSPDB sync actions.
                                 // If label db sync is not to be done, handle end of LSPDB sync actions.
@@ -272,6 +357,27 @@ public class PcepClientControllerImpl implements PcepClientController {
                         }
                         }
                     }
                     }
 
 
+                    PcepLspStatus pcepLspStatus = PcepLspStatus.values()[lspObj.getOFlag()];
+                    LspType lspType = getLspType(stateRpt.getSrpObject());
+
+                    // Download (or remove) labels for basic PCECC LSPs.
+                    if (lspType.equals(WITHOUT_SIGNALLING_AND_WITHOUT_SR)) {
+                        boolean isRemove = lspObj.getRFlag();
+                        Tunnel tunnel = null;
+
+                        if (isRemove || pcepLspStatus.equals(PcepLspStatus.GOING_UP)) {
+                            tunnel = getTunnel(lspObj);
+                        }
+
+                        if (tunnel != null) {
+                            if (isRemove) {
+                                crHandler.releaseLabel(tunnel);
+                            } else {
+                                crHandler.allocateLabel(tunnel);
+                            }
+                        }
+                    }
+
                     // It's a usual report message while sync is not undergoing. So process it immediately.
                     // It's a usual report message while sync is not undergoing. So process it immediately.
                     LinkedList<PcepStateReport> llPcRptList = new LinkedList<>();
                     LinkedList<PcepStateReport> llPcRptList = new LinkedList<>();
                     llPcRptList.add(stateRpt);
                     llPcRptList.add(stateRpt);
@@ -300,6 +406,113 @@ public class PcepClientControllerImpl implements PcepClientController {
         }
         }
     }
     }
 
 
+    private LspType getLspType(PcepSrpObject srpObj) {
+        LspType lspType = WITH_SIGNALLING;
+
+        if (null != srpObj) {
+            LinkedList<PcepValueType> llOptionalTlv = srpObj.getOptionalTlv();
+            ListIterator<PcepValueType> listIterator = llOptionalTlv.listIterator();
+
+            while (listIterator.hasNext()) {
+                PcepValueType tlv = listIterator.next();
+                switch (tlv.getType()) {
+                case PathSetupTypeTlv.TYPE:
+                    lspType = LspType.values()[Integer.valueOf(((PathSetupTypeTlv) tlv).getPst())];
+                    break;
+                default:
+                    break;
+                }
+            }
+        }
+        return lspType;
+    }
+
+    private Tunnel getTunnel(PcepLspObject lspObj) {
+        ListIterator<PcepValueType> listTlvIterator = lspObj.getOptionalTlv().listIterator();
+        StatefulIPv4LspIdentifiersTlv ipv4LspIdenTlv = null;
+        SymbolicPathNameTlv pathNameTlv = null;
+        Tunnel tunnel = null;
+        while (listTlvIterator.hasNext()) {
+            PcepValueType tlv = listTlvIterator.next();
+            switch (tlv.getType()) {
+            case StatefulIPv4LspIdentifiersTlv.TYPE:
+                ipv4LspIdenTlv = (StatefulIPv4LspIdentifiersTlv) tlv;
+                break;
+            case SymbolicPathNameTlv.TYPE:
+                pathNameTlv = (SymbolicPathNameTlv) tlv;
+                break;
+            default:
+                break;
+            }
+        }
+        /*
+         * Draft says: The LSP-IDENTIFIERS TLV MUST be included in the LSP object in PCRpt messages for
+         * RSVP-signaled LSPs. For ONOS PCECC implementation, it is mandatory.
+         */
+        if (ipv4LspIdenTlv == null) {
+            log.error("Stateful IPv4 identifier TLV is null in PCRpt msg.");
+            return null;
+        }
+        IpTunnelEndPoint tunnelEndPointSrc = IpTunnelEndPoint
+                .ipTunnelPoint(IpAddress.valueOf(ipv4LspIdenTlv.getIpv4IngressAddress()));
+        IpTunnelEndPoint tunnelEndPointDst = IpTunnelEndPoint
+                .ipTunnelPoint(IpAddress.valueOf(ipv4LspIdenTlv.getIpv4EgressAddress()));
+        Collection<Tunnel> tunnelQueryResult = tunnelService.queryTunnel(tunnelEndPointSrc, tunnelEndPointDst);
+
+        for (Tunnel tunnelObj : tunnelQueryResult) {
+            if (tunnelObj.annotations().value(PLSP_ID) == null) {
+                /*
+                 * PLSP_ID is null while Tunnel is created at PCE and PCInit msg carries it as 0. It is allocated by
+                 * PCC and in that case it becomes the first PCRpt msg from PCC for this LSP, and hence symbolic
+                 * path name must be carried in the PCRpt msg. Draft says: The SYMBOLIC-PATH-NAME TLV "MUST" be
+                 * included in the LSP object in the LSP State Report (PCRpt) message when during a given PCEP
+                 * session an LSP is "first" reported to a PCE.
+                 */
+                if ((pathNameTlv != null)
+                        && Arrays.equals(tunnelObj.tunnelName().value().getBytes(), pathNameTlv.getValue())) {
+                    tunnel = tunnelObj;
+                    break;
+                }
+                continue;
+            }
+            if ((Integer.valueOf(tunnelObj.annotations().value(PLSP_ID)) == lspObj.getPlspId())) {
+                if ((Integer
+                        .valueOf(tunnelObj.annotations().value(LOCAL_LSP_ID)) == ipv4LspIdenTlv.getLspId())) {
+                    tunnel = tunnelObj;
+                    break;
+                }
+            }
+        }
+
+        if (tunnel == null || tunnel.annotations().value(PLSP_ID) != null) {
+            return tunnel;
+        }
+
+        // The returned tunnel is used just for filling values in Label message. So manipulate locally
+        // and return so that to allocate label, we don't need to wait for the tunnel in the "core"
+        // to be updated, as that depends on listener mechanism and there may be timing/multi-threading issues.
+        Builder annotationBuilder = DefaultAnnotations.builder();
+        annotationBuilder.set(BANDWIDTH, tunnel.annotations().value(BANDWIDTH));
+        annotationBuilder.set(COST_TYPE, tunnel.annotations().value(COST_TYPE));
+        annotationBuilder.set(LSP_SIG_TYPE, tunnel.annotations().value(LSP_SIG_TYPE));
+        annotationBuilder.set(PCE_INIT, tunnel.annotations().value(PCE_INIT));
+        annotationBuilder.set(DELEGATE, tunnel.annotations().value(DELEGATE));
+        annotationBuilder.set(PLSP_ID, String.valueOf(lspObj.getPlspId()));
+        annotationBuilder.set(PCC_TUNNEL_ID, String.valueOf(ipv4LspIdenTlv.getTunnelId()));
+        annotationBuilder.set(LOCAL_LSP_ID, tunnel.annotations().value(LOCAL_LSP_ID));
+
+        Tunnel updatedTunnel = new DefaultTunnel(tunnel.providerId(), tunnel.src(),
+                            tunnel.dst(), tunnel.type(),
+                            tunnel.state(), tunnel.groupId(),
+                            tunnel.tunnelId(),
+                            tunnel.tunnelName(),
+                            tunnel.path(),
+                            tunnel.resource(),
+                            annotationBuilder.build());
+
+        return updatedTunnel;
+    }
+
     @Override
     @Override
     public void closeConnectedClients() {
     public void closeConnectedClients() {
         PcepClient pc;
         PcepClient pc;
@@ -337,6 +550,294 @@ public class PcepClientControllerImpl implements PcepClientController {
         return errMsg;
         return errMsg;
     }
     }
 
 
+    private boolean syncLabelDb(DeviceId deviceId) throws PcepParseException {
+        checkNotNull(deviceId);
+
+        DeviceId actualDevcieId = pceStore.getLsrIdDevice(deviceId.toString());
+        if (actualDevcieId == null) {
+            log.error("Device not available {}.", deviceId.toString());
+            pceStore.addPccLsr(deviceId);
+            return false;
+        }
+        PcepClient pc = connectedClients.get(PccId.pccId(IpAddress.valueOf(deviceId.toString())));
+
+        Device specificDevice = deviceService.getDevice(actualDevcieId);
+        if (specificDevice == null) {
+            log.error("Unable to find device for specific device id {}.", actualDevcieId.toString());
+            return false;
+        }
+
+        if (pceStore.getGlobalNodeLabel(actualDevcieId) != null) {
+            Map<DeviceId, LabelResourceId> globalNodeLabelMap = pceStore.getGlobalNodeLabels();
+
+            for (Entry<DeviceId, LabelResourceId> entry : globalNodeLabelMap.entrySet()) {
+
+                // Convert from DeviceId to TunnelEndPoint
+                Device srcDevice = deviceService.getDevice(entry.getKey());
+
+                /*
+                 * If there is a slight difference in timing such that if device subsystem has removed the device but
+                 * PCE store still has it, just ignore such devices.
+                 */
+                if (srcDevice == null) {
+                    continue;
+                }
+
+                String srcLsrId = srcDevice.annotations().value(LSRID);
+                if (srcLsrId == null) {
+                    continue;
+                }
+
+                srTeHandler.pushGlobalNodeLabel(pc, entry.getValue(),
+                                    IpAddress.valueOf(srcLsrId).getIp4Address().toInt(),
+                                    PcepLabelOp.ADD, false);
+            }
+
+            Map<Link, LabelResourceId> adjLabelMap = pceStore.getAdjLabels();
+            for (Entry<Link, LabelResourceId> entry : adjLabelMap.entrySet()) {
+                if (entry.getKey().src().deviceId().equals(actualDevcieId)) {
+                    srTeHandler.pushAdjacencyLabel(pc,
+                                       entry.getValue(),
+                                       (int) entry.getKey().src().port().toLong(),
+                                       (int) entry.getKey().dst().port().toLong(),
+                                       PcepLabelOp.ADD
+                                       );
+                }
+            }
+        }
+
+        srTeHandler.pushGlobalNodeLabel(pc, LabelResourceId.labelResourceId(0),
+                            0, PcepLabelOp.ADD, true);
+
+        log.debug("End of label DB sync for device {}", actualDevcieId);
+
+        if (mastershipService.getLocalRole(specificDevice.id()) == MastershipRole.MASTER) {
+            // Allocate node-label to this specific device.
+            allocateNodeLabel(specificDevice);
+
+            // Allocate adjacency label
+            Set<Link> links = linkService.getDeviceEgressLinks(specificDevice.id());
+            if (links != null) {
+                for (Link link : links) {
+                    allocateAdjacencyLabel(link);
+                }
+            }
+        }
+        return true;
+    }
+
+    /**
+     * Allocates node label to specific device.
+     *
+     * @param specificDevice device to which node label needs to be allocated
+     */
+    public void allocateNodeLabel(Device specificDevice) {
+        checkNotNull(specificDevice, DEVICE_NULL);
+
+        DeviceId deviceId = specificDevice.id();
+
+        // Retrieve lsrId of a specific device
+        if (specificDevice.annotations() == null) {
+            log.debug("Device {} does not have annotations.", specificDevice.toString());
+            return;
+        }
+
+        String lsrId = specificDevice.annotations().value(LSRID);
+        if (lsrId == null) {
+            log.debug("Unable to retrieve lsr-id of a device {}.", specificDevice.toString());
+            return;
+        }
+
+        // Get capability config from netconfig
+        DeviceCapability cfg = netCfgService.getConfig(DeviceId.deviceId(lsrId), DeviceCapability.class);
+        if (cfg == null) {
+            log.error("Unable to find corresponding capability for a lsrd {} from NetConfig.", lsrId);
+            // Save info. When PCEP session is comes up then allocate node-label
+            lsrIdDeviceIdMap.put(lsrId, specificDevice.id());
+            return;
+        }
+
+        // Check whether device has SR-TE Capability
+        if (cfg.labelStackCap()) {
+            srTeHandler.allocateNodeLabel(deviceId, lsrId);
+        }
+    }
+
+    /**
+     * Releases node label of a specific device.
+     *
+     * @param specificDevice this device label and lsr-id information will be
+     *            released in other existing devices
+     */
+    public void releaseNodeLabel(Device specificDevice) {
+        checkNotNull(specificDevice, DEVICE_NULL);
+
+        DeviceId deviceId = specificDevice.id();
+
+        // Retrieve lsrId of a specific device
+        if (specificDevice.annotations() == null) {
+            log.debug("Device {} does not have annotations.", specificDevice.toString());
+            return;
+        }
+
+        String lsrId = specificDevice.annotations().value(LSRID);
+        if (lsrId == null) {
+            log.debug("Unable to retrieve lsr-id of a device {}.", specificDevice.toString());
+            return;
+        }
+
+        // Get capability config from netconfig
+        DeviceCapability cfg = netCfgService.getConfig(DeviceId.deviceId(lsrId), DeviceCapability.class);
+        if (cfg == null) {
+            log.error("Unable to find corresponding capabilty for a lsrd {} from NetConfig.", lsrId);
+            return;
+        }
+
+        // Check whether device has SR-TE Capability
+        if (cfg.labelStackCap()) {
+            if (!srTeHandler.releaseNodeLabel(deviceId, lsrId)) {
+                log.error("Unable to release node label for a device id {}.", deviceId.toString());
+            }
+        }
+    }
+
+    /**
+     * Allocates adjacency label for a link.
+     *
+     * @param link link
+     */
+    public void allocateAdjacencyLabel(Link link) {
+        checkNotNull(link, LINK_NULL);
+
+        Device specificDevice = deviceService.getDevice(link.src().deviceId());
+
+        // Retrieve lsrId of a specific device
+        if (specificDevice.annotations() == null) {
+            log.debug("Device {} does not have annotations.", specificDevice.toString());
+            return;
+        }
+
+        String lsrId = specificDevice.annotations().value(LSRID);
+        if (lsrId == null) {
+            log.debug("Unable to retrieve lsr-id of a device {}.", specificDevice.toString());
+            return;
+        }
+
+        // Get capability config from netconfig
+        DeviceCapability cfg = netCfgService.getConfig(DeviceId.deviceId(lsrId), DeviceCapability.class);
+        if (cfg == null) {
+            log.error("Unable to find corresponding capabilty for a lsrd {} from NetConfig.", lsrId);
+            // Save info. When PCEP session comes up then allocate adjacency
+            // label
+            if (lsrIdDeviceIdMap.get(lsrId) != null) {
+                lsrIdDeviceIdMap.put(lsrId, specificDevice.id());
+            }
+            return;
+        }
+
+        // Check whether device has SR-TE Capability
+        if (cfg.labelStackCap()) {
+            srTeHandler.allocateAdjacencyLabel(link);
+        }
+    }
+
+    /**
+     * Releases allocated adjacency label of a link.
+     *
+     * @param link link
+     */
+    public void releaseAdjacencyLabel(Link link) {
+        checkNotNull(link, LINK_NULL);
+
+        Device specificDevice = deviceService.getDevice(link.src().deviceId());
+
+        // Retrieve lsrId of a specific device
+        if (specificDevice.annotations() == null) {
+            log.debug("Device {} does not have annotations.", specificDevice.toString());
+            return;
+        }
+
+        String lsrId = specificDevice.annotations().value(LSRID);
+        if (lsrId == null) {
+            log.debug("Unable to retrieve lsr-id of a device {}.", specificDevice.toString());
+            return;
+        }
+
+        // Get capability config from netconfig
+        DeviceCapability cfg = netCfgService.getConfig(DeviceId.deviceId(lsrId), DeviceCapability.class);
+        if (cfg == null) {
+            log.error("Unable to find corresponding capabilty for a lsrd {} from NetConfig.", lsrId);
+            return;
+        }
+
+        // Check whether device has SR-TE Capability
+        if (cfg.labelStackCap()) {
+            if (!srTeHandler.releaseAdjacencyLabel(link)) {
+                log.error("Unable to release adjacency labels for a link {}.", link.toString());
+            }
+        }
+    }
+
+    @Override
+    public LabelStack computeLabelStack(Path path) {
+        return srTeHandler.computeLabelStack(path);
+    }
+
+    @Override
+    public boolean allocateLocalLabel(Tunnel tunnel) {
+        return crHandler.allocateLabel(tunnel);
+    }
+
+    /**
+     * Creates label stack for ERO object from network resource.
+     *
+     * @param labelStack
+     * @param path (hop list)
+     * @return list of ERO subobjects
+     */
+    @Override
+    public LinkedList<PcepValueType> createPcepLabelStack(DefaultLabelStack labelStack, Path path) {
+        checkNotNull(labelStack);
+
+        LinkedList<PcepValueType> llSubObjects = new LinkedList<PcepValueType>();
+        Iterator<Link> links = path.links().iterator();
+        LabelResourceId label = null;
+        Link link = null;
+        PcepValueType subObj = null;
+        PcepNai nai = null;
+        Device dstNode = null;
+        long srcPortNo, dstPortNo;
+
+        ListIterator<LabelResourceId> labelListIterator = labelStack.labelResources().listIterator();
+        while (labelListIterator.hasNext()) {
+            label = labelListIterator.next();
+            link = links.next();
+
+            srcPortNo = link.src().port().toLong();
+            srcPortNo = ((srcPortNo & IDENTIFIER_SET) == IDENTIFIER_SET) ? srcPortNo & SET : srcPortNo;
+
+            dstPortNo = link.dst().port().toLong();
+            dstPortNo = ((dstPortNo & IDENTIFIER_SET) == IDENTIFIER_SET) ? dstPortNo & SET : dstPortNo;
+
+            nai = new PcepNaiIpv4Adjacency((int) srcPortNo, (int) dstPortNo);
+            subObj = new SrEroSubObject(PcepNaiIpv4Adjacency.ST_TYPE, false, false, false, true, (int) label.labelId(),
+                                        nai);
+            llSubObjects.add(subObj);
+
+            dstNode = deviceService.getDevice(link.dst().deviceId());
+            nai = new PcepNaiIpv4NodeId(Ip4Address.valueOf(dstNode.annotations().value(LSRID)).toInt());
+
+            if (!labelListIterator.hasNext()) {
+                log.error("Malformed label stack.");
+            }
+            label = labelListIterator.next();
+            subObj = new SrEroSubObject(PcepNaiIpv4NodeId.ST_TYPE, false, false, false, true, (int) label.labelId(),
+                                        nai);
+            llSubObjects.add(subObj);
+        }
+        return llSubObjects;
+    }
+
     /**
     /**
      * Implementation of an Pcep Agent which is responsible for
      * Implementation of an Pcep Agent which is responsible for
      * keeping track of connected clients and the state in which
      * keeping track of connected clients and the state in which
@@ -370,7 +871,6 @@ public class PcepClientControllerImpl implements PcepClientController {
                         + "connected client: pccIp {}. Aborting ..", pccId.toString());
                         + "connected client: pccIp {}. Aborting ..", pccId.toString());
                 return false;
                 return false;
             }
             }
-
             return true;
             return true;
         }
         }
 
 
@@ -479,7 +979,7 @@ public class PcepClientControllerImpl implements PcepClientController {
                 } else if (pathNameTlv != null) {
                 } else if (pathNameTlv != null) {
                     tunnel = preSyncLspDbByName.get(Arrays.toString(pathNameTlv.getValue()));
                     tunnel = preSyncLspDbByName.get(Arrays.toString(pathNameTlv.getValue()));
                     if (tunnel != null) {
                     if (tunnel != null) {
-                        preSyncLspDbByName.remove(tunnel.tunnelName());
+                        preSyncLspDbByName.remove(tunnel.tunnelName().value());
                     }
                     }
                 }
                 }
 
 
@@ -566,4 +1066,130 @@ public class PcepClientControllerImpl implements PcepClientController {
             }
             }
         }
         }
     }
     }
+
+    /*
+     * Handle device events.
+     */
+    private class InternalDeviceListener implements DeviceListener {
+        @Override
+        public void event(DeviceEvent event) {
+            Device specificDevice = event.subject();
+            if (specificDevice == null) {
+                log.error("Unable to find device from device event.");
+                return;
+            }
+
+            switch (event.type()) {
+
+            case DEVICE_ADDED:
+                // Node-label allocation is being done during Label DB Sync.
+                // So, when device is detected, no need to do node-label
+                // allocation.
+                String lsrId = specificDevice.annotations().value(LSRID);
+                if (lsrId != null) {
+                    pceStore.addLsrIdDevice(lsrId, specificDevice.id());
+
+                    // Search in failed DB sync store. If found, trigger label DB sync.
+                    DeviceId pccDeviceId = DeviceId.deviceId(lsrId);
+                    if (pceStore.hasPccLsr(pccDeviceId)) {
+                        log.debug("Continue to perform label DB sync for device {}.", pccDeviceId.toString());
+                        try {
+                            syncLabelDb(pccDeviceId);
+                        } catch (PcepParseException e) {
+                            log.error("Exception caught in sending label masg to PCC while in sync.");
+                        }
+                        pceStore.removePccLsr(pccDeviceId);
+                    }
+                }
+                break;
+
+            case DEVICE_REMOVED:
+                // Release node-label
+                if (mastershipService.getLocalRole(specificDevice.id()) == MastershipRole.MASTER) {
+                    releaseNodeLabel(specificDevice);
+                }
+
+                if (specificDevice.annotations().value(LSRID) != null) {
+                    pceStore.removeLsrIdDevice(specificDevice.annotations().value(LSRID));
+                }
+                break;
+
+            default:
+                break;
+            }
+        }
+    }
+
+    /*
+     * Handle link events.
+     */
+    private class InternalLinkListener implements LinkListener {
+        @Override
+        public void event(LinkEvent event) {
+            Link link = event.subject();
+
+            switch (event.type()) {
+
+            case LINK_ADDED:
+                // Allocate adjacency label
+                if (mastershipService.getLocalRole(link.src().deviceId()) == MastershipRole.MASTER) {
+                    allocateAdjacencyLabel(link);
+                }
+                break;
+
+            case LINK_REMOVED:
+                // Release adjacency label
+                if (mastershipService.getLocalRole(link.src().deviceId()) == MastershipRole.MASTER) {
+                    releaseAdjacencyLabel(link);
+                }
+                break;
+
+            default:
+                break;
+            }
+        }
+    }
+
+    private class InternalConfigListener implements NetworkConfigListener {
+
+        @Override
+        public void event(NetworkConfigEvent event) {
+
+            if ((event.type() == NetworkConfigEvent.Type.CONFIG_ADDED)
+                    && event.configClass().equals(DeviceCapability.class)) {
+
+                DeviceId deviceIdLsrId = (DeviceId) event.subject();
+                String lsrId = deviceIdLsrId.toString();
+                DeviceId deviceId = lsrIdDeviceIdMap.get(lsrId);
+                if (deviceId == null) {
+                    log.debug("Unable to find device id for a lsr-id {} from lsr-id and device-id map.", lsrId);
+                    return;
+                }
+
+                DeviceCapability cfg = netCfgService.getConfig(DeviceId.deviceId(lsrId), DeviceCapability.class);
+                if (cfg == null) {
+                    log.error("Unable to find corresponding capabilty for a lsrd {}.", lsrId);
+                    return;
+                }
+
+                if (cfg.labelStackCap()) {
+                    if (mastershipService.getLocalRole(deviceId) == MastershipRole.MASTER) {
+                        // Allocate node-label
+                        srTeHandler.allocateNodeLabel(deviceId, lsrId);
+
+                        // Allocate adjacency label to links which are
+                        // originated from this specific device id
+                        Set<Link> links = linkService.getDeviceEgressLinks(deviceId);
+                        for (Link link : links) {
+                            if (!srTeHandler.allocateAdjacencyLabel(link)) {
+                                return;
+                            }
+                        }
+                    }
+                }
+                // Remove lsrId info from map
+                lsrIdDeviceIdMap.remove(lsrId);
+            }
+        }
+    }
 }
 }

@@ -111,13 +111,13 @@ public class PcepControllerImpl implements PcepController {
     @Override
     @Override
     public Boolean deleteTunnel(String id) {
     public Boolean deleteTunnel(String id) {
         // TODO Auto-generated method stub
         // TODO Auto-generated method stub
-        return null;
+        return false;
     }
     }
 
 
     @Override
     @Override
     public Boolean updateTunnelBandwidth(String id, long bandwidth) {
     public Boolean updateTunnelBandwidth(String id, long bandwidth) {
         // TODO Auto-generated method stub
         // TODO Auto-generated method stub
-        return null;
+        return false;
     }
     }
 
 
     @Override
     @Override

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * See the License for the specific language governing permissions and
  * limitations under the License.
  * limitations under the License.
  */
  */
-package org.onosproject.pce.pcestore;
+package org.onosproject.pcelabelstore;
 
 
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.is;
 import static org.hamcrest.Matchers.is;
@@ -24,7 +24,7 @@ import org.junit.Test;
 import org.onosproject.incubator.net.resource.label.LabelResourceId;
 import org.onosproject.incubator.net.resource.label.LabelResourceId;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.PortNumber;
 import org.onosproject.net.PortNumber;
-import org.onosproject.pce.pcestore.api.LspLocalLabelInfo;
+import org.onosproject.pcelabelstore.api.LspLocalLabelInfo;
 
 
 /**
 /**
  * Unit tests for DefaultLspLocalLabelInfo class.
  * Unit tests for DefaultLspLocalLabelInfo class.

+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.pcelabelstore;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.notNullValue;
+
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+
+import org.junit.After;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import org.onosproject.incubator.net.resource.label.DefaultLabelResource;
+import org.onosproject.incubator.net.resource.label.LabelResource;
+import org.onosproject.incubator.net.resource.label.LabelResourceId;
+import org.onosproject.incubator.net.tunnel.TunnelId;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.DefaultAnnotations;
+import org.onosproject.net.DefaultLink;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.Link;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.provider.ProviderId;
+import org.onosproject.pcelabelstore.api.LspLocalLabelInfo;
+import org.onosproject.pcelabelstore.util.TestStorageService;
+
+/**
+ * Unit tests for DistributedPceStore class.
+ */
+public class DistributedPceLabelStoreTest {
+
+    private DistributedPceLabelStore distrPceStore;
+    private DeviceId deviceId1 = DeviceId.deviceId("foo");
+    private DeviceId deviceId2 = DeviceId.deviceId("goo");
+    private DeviceId deviceId3 = DeviceId.deviceId("yaa");
+    private DeviceId deviceId4 = DeviceId.deviceId("zoo");
+    private LabelResourceId labelId1 = LabelResourceId.labelResourceId(1);
+    private LabelResourceId labelId2 = LabelResourceId.labelResourceId(2);
+    private LabelResourceId labelId3 = LabelResourceId.labelResourceId(3);
+    private LabelResourceId labelId4 = LabelResourceId.labelResourceId(4);
+    private PortNumber portNumber1 = PortNumber.portNumber(1);
+    private PortNumber portNumber2 = PortNumber.portNumber(2);
+    private PortNumber portNumber3 = PortNumber.portNumber(3);
+    private PortNumber portNumber4 = PortNumber.portNumber(4);
+    private ConnectPoint srcConnectionPoint1 = new ConnectPoint(deviceId1, portNumber1);
+    private ConnectPoint dstConnectionPoint2 = new ConnectPoint(deviceId2, portNumber2);
+    private ConnectPoint srcConnectionPoint3 = new ConnectPoint(deviceId3, portNumber3);
+    private ConnectPoint dstConnectionPoint4 = new ConnectPoint(deviceId4, portNumber4);
+    private LabelResource labelResource1 = new DefaultLabelResource(deviceId1, labelId1);
+    private LabelResource labelResource2 = new DefaultLabelResource(deviceId2, labelId2);
+    private LabelResource labelResource3 = new DefaultLabelResource(deviceId3, labelId3);
+    private LabelResource labelResource4 = new DefaultLabelResource(deviceId4, labelId4);
+    private Link link1;
+    private Link link2;
+    private List<LabelResource> labelList1 = new LinkedList<>();
+    private List<LabelResource> labelList2 = new LinkedList<>();
+    private TunnelId tunnelId1 = TunnelId.valueOf("1");
+    private TunnelId tunnelId2 = TunnelId.valueOf("2");
+    private TunnelId tunnelId3 = TunnelId.valueOf("3");
+    private TunnelId tunnelId4 = TunnelId.valueOf("4");
+
+    List<LspLocalLabelInfo> lspLocalLabelInfoList1 = new LinkedList<>();
+    List<LspLocalLabelInfo> lspLocalLabelInfoList2 = new LinkedList<>();
+
+    @BeforeClass
+    public static void setUpBeforeClass() throws Exception {
+    }
+
+    @AfterClass
+    public static void tearDownAfterClass() throws Exception {
+    }
+
+    @Before
+    public void setUp() throws Exception {
+       distrPceStore = new DistributedPceLabelStore();
+       // initialization
+       distrPceStore.storageService = new TestStorageService();
+       distrPceStore.activate();
+
+       // Initialization of member variables
+       link1 = DefaultLink.builder()
+                          .providerId(new ProviderId("eth", "1"))
+                          .annotations(DefaultAnnotations.builder().set("key1", "yahoo").build())
+                          .src(srcConnectionPoint1)
+                          .dst(dstConnectionPoint2)
+                          .type(Link.Type.DIRECT)
+                          .state(Link.State.ACTIVE)
+                          .build();
+       link2 = DefaultLink.builder()
+                          .providerId(new ProviderId("mac", "2"))
+                          .annotations(DefaultAnnotations.builder().set("key2", "google").build())
+                          .src(srcConnectionPoint3)
+                          .dst(dstConnectionPoint4)
+                          .type(Link.Type.DIRECT)
+                          .state(Link.State.ACTIVE)
+                          .build();
+       labelList1.add(labelResource1);
+       labelList1.add(labelResource2);
+       labelList2.add(labelResource3);
+       labelList2.add(labelResource4);
+
+       // Create pceccTunnelInfo1
+       DeviceId deviceId1 = DeviceId.deviceId("foo");
+       LabelResourceId inLabelId1 = LabelResourceId.labelResourceId(1);
+       LabelResourceId outLabelId1 = LabelResourceId.labelResourceId(2);
+
+       LspLocalLabelInfo lspLocalLabel1 = DefaultLspLocalLabelInfo.builder()
+               .deviceId(deviceId1)
+               .inLabelId(inLabelId1)
+               .outLabelId(outLabelId1)
+               .build();
+       lspLocalLabelInfoList1.add(lspLocalLabel1);
+       distrPceStore.addTunnelInfo(tunnelId1, lspLocalLabelInfoList1);
+
+       // Create pceccTunnelInfo2
+       DeviceId deviceId2 = DeviceId.deviceId("foo");
+       LabelResourceId inLabelId2 = LabelResourceId.labelResourceId(3);
+       LabelResourceId outLabelId2 = LabelResourceId.labelResourceId(4);
+
+       LspLocalLabelInfo lspLocalLabel2 = DefaultLspLocalLabelInfo.builder()
+               .deviceId(deviceId2)
+               .inLabelId(inLabelId2)
+               .outLabelId(outLabelId2)
+               .build();
+       lspLocalLabelInfoList2.add(lspLocalLabel2);
+       distrPceStore.addTunnelInfo(tunnelId2, lspLocalLabelInfoList2);
+    }
+
+    @After
+    public void tearDown() throws Exception {
+    }
+
+    /**
+     * Checks the operation of addGlobalNodeLabel() method.
+     */
+    @Test
+    public void testAddGlobalNodeLabel() {
+        // add device with label
+        distrPceStore.addGlobalNodeLabel(deviceId1, labelId1);
+        assertThat(distrPceStore.existsGlobalNodeLabel(deviceId1), is(true));
+        assertThat(distrPceStore.getGlobalNodeLabel(deviceId1), is(labelId1));
+        distrPceStore.addGlobalNodeLabel(deviceId2, labelId2);
+        assertThat(distrPceStore.existsGlobalNodeLabel(deviceId2), is(true));
+        assertThat(distrPceStore.getGlobalNodeLabel(deviceId2), is(labelId2));
+    }
+
+    /**
+     * Checks the operation of addAdjLabel() method.
+     */
+    @Test
+    public void testAddAdjLabel() {
+        // link with list of labels
+        distrPceStore.addAdjLabel(link1, labelId1);
+        assertThat(distrPceStore.existsAdjLabel(link1), is(true));
+        assertThat(distrPceStore.getAdjLabel(link1), is(labelId1));
+        distrPceStore.addAdjLabel(link2, labelId2);
+        assertThat(distrPceStore.existsAdjLabel(link2), is(true));
+        assertThat(distrPceStore.getAdjLabel(link2), is(labelId2));
+    }
+
+    /**
+     * Checks the operation of addTunnelInfo() method.
+     */
+    @Test
+    public void testAddTunnelInfo() {
+        // TunnelId with device label store information
+        distrPceStore.addTunnelInfo(tunnelId1, lspLocalLabelInfoList1);
+        assertThat(distrPceStore.existsTunnelInfo(tunnelId1), is(true));
+        assertThat(distrPceStore.getTunnelInfo(tunnelId1), is(lspLocalLabelInfoList1));
+        distrPceStore.addTunnelInfo(tunnelId2, lspLocalLabelInfoList2);
+        assertThat(distrPceStore.existsTunnelInfo(tunnelId2), is(true));
+        assertThat(distrPceStore.getTunnelInfo(tunnelId2), is(lspLocalLabelInfoList2));
+    }
+
+    /**
+     * Checks the operation of existsGlobalNodeLabel() method.
+     */
+    @Test
+    public void testExistsGlobalNodeLabel() {
+        testAddGlobalNodeLabel();
+
+        assertThat(distrPceStore.existsGlobalNodeLabel(deviceId1), is(true));
+        assertThat(distrPceStore.existsGlobalNodeLabel(deviceId2), is(true));
+        assertThat(distrPceStore.existsGlobalNodeLabel(deviceId3), is(false));
+        assertThat(distrPceStore.existsGlobalNodeLabel(deviceId4), is(false));
+    }
+
+    /**
+     * Checks the operation of existsAdjLabel() method.
+     */
+    @Test
+    public void testExistsAdjLabel() {
+        testAddAdjLabel();
+
+        assertThat(distrPceStore.existsAdjLabel(link1), is(true));
+        assertThat(distrPceStore.existsAdjLabel(link2), is(true));
+    }
+
+    /**
+     * Checks the operation of existsTunnelInfo() method.
+     */
+    @Test
+    public void testExistsTunnelInfo() {
+        testAddTunnelInfo();
+
+        assertThat(distrPceStore.existsTunnelInfo(tunnelId1), is(true));
+        assertThat(distrPceStore.existsTunnelInfo(tunnelId2), is(true));
+        assertThat(distrPceStore.existsTunnelInfo(tunnelId3), is(false));
+        assertThat(distrPceStore.existsTunnelInfo(tunnelId4), is(false));
+    }
+
+    /**
+     * Checks the operation of getGlobalNodeLabelCount() method.
+     */
+    @Test
+    public void testGetGlobalNodeLabelCount() {
+        testAddGlobalNodeLabel();
+
+        assertThat(distrPceStore.getGlobalNodeLabelCount(), is(2));
+    }
+
+    /**
+     * Checks the operation of getAdjLabelCount() method.
+     */
+    @Test
+    public void testGetAdjLabelCount() {
+        testAddAdjLabel();
+
+        assertThat(distrPceStore.getAdjLabelCount(), is(2));
+    }
+
+    /**
+     * Checks the operation of getTunnelInfoCount() method.
+     */
+    @Test
+    public void testGetTunnelInfoCount() {
+        testAddTunnelInfo();
+
+        assertThat(distrPceStore.getTunnelInfoCount(), is(2));
+    }
+
+    /**
+     * Checks the operation of getGlobalNodeLabels() method.
+     */
+    @Test
+    public void testGetGlobalNodeLabels() {
+        testAddGlobalNodeLabel();
+
+        Map<DeviceId, LabelResourceId> nodeLabelMap = distrPceStore.getGlobalNodeLabels();
+        assertThat(nodeLabelMap, is(notNullValue()));
+        assertThat(nodeLabelMap.isEmpty(), is(false));
+        assertThat(nodeLabelMap.size(), is(2));
+    }
+
+    /**
+     * Checks the operation of getAdjLabels() method.
+     */
+    @Test
+    public void testGetAdjLabels() {
+        testAddAdjLabel();
+
+        Map<Link, LabelResourceId> adjLabelMap = distrPceStore.getAdjLabels();
+        assertThat(adjLabelMap, is(notNullValue()));
+        assertThat(adjLabelMap.isEmpty(), is(false));
+        assertThat(adjLabelMap.size(), is(2));
+    }
+
+    /**
+     * Checks the operation of getTunnelInfos() method.
+     */
+    @Test
+    public void testGetTunnelInfos() {
+        testAddTunnelInfo();
+
+        Map<TunnelId, List<LspLocalLabelInfo>> tunnelInfoMap = distrPceStore.getTunnelInfos();
+        assertThat(tunnelInfoMap, is(notNullValue()));
+        assertThat(tunnelInfoMap.isEmpty(), is(false));
+        assertThat(tunnelInfoMap.size(), is(2));
+    }
+
+    /**
+     * Checks the operation of getGlobalNodeLabel() method.
+     */
+    @Test
+    public void testGetGlobalNodeLabel() {
+        testAddGlobalNodeLabel();
+
+        // deviceId1 with labelId1
+        assertThat(deviceId1, is(notNullValue()));
+        assertThat(distrPceStore.getGlobalNodeLabel(deviceId1), is(labelId1));
+
+        // deviceId2 with labelId2
+        assertThat(deviceId2, is(notNullValue()));
+        assertThat(distrPceStore.getGlobalNodeLabel(deviceId2), is(labelId2));
+    }
+
+    /**
+     * Checks the operation of getAdjLabel() method.
+     */
+    @Test
+    public void testGetAdjLabel() {
+        testAddAdjLabel();
+
+        // link1 with labels
+        assertThat(link1, is(notNullValue()));
+        assertThat(distrPceStore.getAdjLabel(link1), is(labelId1));
+
+        // link2 with labels
+        assertThat(link2, is(notNullValue()));
+        assertThat(distrPceStore.getAdjLabel(link2), is(labelId2));
+    }
+
+    /**
+     * Checks the operation of getTunnelInfo() method.
+     */
+    @Test
+    public void testGetTunnelInfo() {
+        testAddTunnelInfo();
+
+        // tunnelId1 with device label store info
+        assertThat(tunnelId1, is(notNullValue()));
+        assertThat(distrPceStore.getTunnelInfo(tunnelId1), is(lspLocalLabelInfoList1));
+
+        // tunnelId2 with device label store info
+        assertThat(tunnelId2, is(notNullValue()));
+        assertThat(distrPceStore.getTunnelInfo(tunnelId2), is(lspLocalLabelInfoList2));
+    }
+
+    /**
+     * Checks the operation of removeGlobalNodeLabel() method.
+     */
+    @Test
+    public void testRemoveGlobalNodeLabel() {
+        testAddGlobalNodeLabel();
+
+        assertThat(distrPceStore.removeGlobalNodeLabel(deviceId1), is(true));
+        assertThat(distrPceStore.removeGlobalNodeLabel(deviceId2), is(true));
+    }
+
+    /**
+     * Checks the operation of removeAdjLabel() method.
+     */
+    @Test
+    public void testRemoveAdjLabel() {
+        testAddAdjLabel();
+
+        assertThat(distrPceStore.removeAdjLabel(link1), is(true));
+        assertThat(distrPceStore.removeAdjLabel(link2), is(true));
+    }
+
+    /**
+     * Checks the operation of removeTunnelInfo() method.
+     */
+    @Test
+    public void testRemoveTunnelInfo() {
+        testAddTunnelInfo();
+
+        assertThat(distrPceStore.removeTunnelInfo(tunnelId1), is(true));
+        assertThat(distrPceStore.removeTunnelInfo(tunnelId2), is(true));
+    }
+}

@@ -13,14 +13,13 @@
  * See the License for the specific language governing permissions and
  * See the License for the specific language governing permissions and
  * limitations under the License.
  * limitations under the License.
  */
  */
-package org.onosproject.pce.pceservice;
+package org.onosproject.pcelabelstore.label;
 
 
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.is;
 import static org.hamcrest.Matchers.is;
 import static org.hamcrest.Matchers.notNullValue;
 import static org.hamcrest.Matchers.notNullValue;
 import static org.hamcrest.Matchers.nullValue;
 import static org.hamcrest.Matchers.nullValue;
 import static org.onosproject.net.Link.Type.DIRECT;
 import static org.onosproject.net.Link.Type.DIRECT;
-
 import java.util.Iterator;
 import java.util.Iterator;
 import java.util.List;
 import java.util.List;
 import java.util.LinkedList;
 import java.util.LinkedList;
@@ -29,8 +28,6 @@ import org.junit.After;
 import org.junit.Before;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.Test;
 import org.onlab.packet.IpAddress;
 import org.onlab.packet.IpAddress;
-import org.onosproject.core.ApplicationId;
-import org.onosproject.core.CoreService;
 import org.onosproject.core.DefaultGroupId;
 import org.onosproject.core.DefaultGroupId;
 import org.onosproject.incubator.net.tunnel.Tunnel;
 import org.onosproject.incubator.net.tunnel.Tunnel;
 import org.onosproject.incubator.net.tunnel.TunnelEndPoint;
 import org.onosproject.incubator.net.tunnel.TunnelEndPoint;
@@ -40,19 +37,24 @@ import org.onosproject.incubator.net.tunnel.TunnelId;
 import org.onosproject.incubator.net.tunnel.DefaultTunnel;
 import org.onosproject.incubator.net.tunnel.DefaultTunnel;
 import org.onosproject.incubator.net.resource.label.LabelResourceId;
 import org.onosproject.incubator.net.resource.label.LabelResourceId;
 import org.onosproject.incubator.net.resource.label.LabelResourceService;
 import org.onosproject.incubator.net.resource.label.LabelResourceService;
+import org.onosproject.net.AnnotationKeys;
+import org.onosproject.net.Annotations;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DefaultAnnotations;
 import org.onosproject.net.DefaultAnnotations;
+import org.onosproject.net.DefaultDevice;
 import org.onosproject.net.DefaultPath;
 import org.onosproject.net.DefaultPath;
+import org.onosproject.net.Device;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.PortNumber;
 import org.onosproject.net.PortNumber;
-import org.onosproject.net.flowobjective.FlowObjectiveService;
 import org.onosproject.net.Path;
 import org.onosproject.net.Path;
-import org.onosproject.pce.pcestore.api.LspLocalLabelInfo;
-import org.onosproject.pce.pcestore.api.PceStore;
-import org.onosproject.pce.pcestore.PceccTunnelInfo;
 import org.onosproject.net.provider.ProviderId;
 import org.onosproject.net.provider.ProviderId;
-import org.onosproject.pce.util.LabelResourceAdapter;
-import org.onosproject.pce.util.PceStoreAdapter;
+import org.onosproject.pcelabelstore.api.LspLocalLabelInfo;
+import org.onosproject.pcelabelstore.api.PceLabelStore;
+import org.onosproject.pcelabelstore.util.LabelResourceAdapter;
+import org.onosproject.pcelabelstore.util.MockDeviceService;
+import org.onosproject.pcelabelstore.util.PceLabelStoreAdapter;
+import org.onosproject.pcep.controller.impl.BasicPceccHandler;
+import org.onosproject.pcep.controller.impl.PcepClientControllerImpl;
 import org.onosproject.net.DefaultLink;
 import org.onosproject.net.DefaultLink;
 import org.onosproject.net.Link;
 import org.onosproject.net.Link;
 
 
@@ -63,13 +65,13 @@ public class BasicPceccHandlerTest {
 
 
     public static final long LOCAL_LABEL_SPACE_MIN = 5122;
     public static final long LOCAL_LABEL_SPACE_MIN = 5122;
     public static final long LOCAL_LABEL_SPACE_MAX = 9217;
     public static final long LOCAL_LABEL_SPACE_MAX = 9217;
+    private static final String L3 = "L3";
+    private static final String LSRID = "lsrId";
 
 
     private BasicPceccHandler pceccHandler;
     private BasicPceccHandler pceccHandler;
     protected LabelResourceService labelRsrcService;
     protected LabelResourceService labelRsrcService;
-    protected PceStore pceStore;
-    private FlowObjectiveService flowObjectiveService;
-    private CoreService coreService;
-    private ApplicationId appId;
+    protected MockDeviceService deviceService;
+    protected PceLabelStore pceStore;
     private TunnelEndPoint src = IpTunnelEndPoint.ipTunnelPoint(IpAddress.valueOf(23423));
     private TunnelEndPoint src = IpTunnelEndPoint.ipTunnelPoint(IpAddress.valueOf(23423));
     private TunnelEndPoint dst = IpTunnelEndPoint.ipTunnelPoint(IpAddress.valueOf(32421));
     private TunnelEndPoint dst = IpTunnelEndPoint.ipTunnelPoint(IpAddress.valueOf(32421));
     private DefaultGroupId groupId = new DefaultGroupId(92034);
     private DefaultGroupId groupId = new DefaultGroupId(92034);
@@ -78,7 +80,8 @@ public class BasicPceccHandlerTest {
     private ProviderId producerName = new ProviderId("producer1", "13");
     private ProviderId producerName = new ProviderId("producer1", "13");
     private Path path;
     private Path path;
     private Tunnel tunnel;
     private Tunnel tunnel;
-    private PceccTunnelInfo pceccTunnelInfo;
+    List<LspLocalLabelInfo> lspLocalLabelInfoList;
+    private Device deviceD1, deviceD2, deviceD3, deviceD4, deviceD5;
     private DeviceId deviceId1;
     private DeviceId deviceId1;
     private DeviceId deviceId2;
     private DeviceId deviceId2;
     private DeviceId deviceId3;
     private DeviceId deviceId3;
@@ -94,13 +97,14 @@ public class BasicPceccHandlerTest {
     public void setUp() throws Exception {
     public void setUp() throws Exception {
        pceccHandler = BasicPceccHandler.getInstance();
        pceccHandler = BasicPceccHandler.getInstance();
        labelRsrcService = new LabelResourceAdapter();
        labelRsrcService = new LabelResourceAdapter();
-       pceStore = new PceStoreAdapter();
-       flowObjectiveService = new PceManagerTest.MockFlowObjService();
-       coreService = new PceManagerTest.MockCoreService();
-       appId = coreService.registerApplication("org.onosproject.pce");
-       pceccHandler.initialize(labelRsrcService, flowObjectiveService, appId, pceStore);
+       pceStore = new PceLabelStoreAdapter();
+       deviceService = new MockDeviceService();
+       pceccHandler.initialize(labelRsrcService,
+                              deviceService,
+                              pceStore,
+                              new PcepClientControllerImpl());
 
 
-       // Cretae tunnel test
+       // Create tunnel test
        // Link
        // Link
        ProviderId providerId = new ProviderId("of", "foo");
        ProviderId providerId = new ProviderId("of", "foo");
        deviceId1 = DeviceId.deviceId("of:A");
        deviceId1 = DeviceId.deviceId("of:A");
@@ -115,6 +119,41 @@ public class BasicPceccHandlerTest {
        port5 = PortNumber.portNumber(5);
        port5 = PortNumber.portNumber(5);
        List<Link> linkList = new LinkedList<>();
        List<Link> linkList = new LinkedList<>();
 
 
+       // Making L3 devices
+       DefaultAnnotations.Builder builderDev1 = DefaultAnnotations.builder();
+       builderDev1.set(AnnotationKeys.TYPE, L3);
+       builderDev1.set(LSRID, "1.1.1.1");
+       deviceD1 = new MockDevice(deviceId1, builderDev1.build());
+       deviceService.addDevice(deviceD1);
+
+       // Making L3 devices
+       DefaultAnnotations.Builder builderDev2 = DefaultAnnotations.builder();
+       builderDev2.set(AnnotationKeys.TYPE, L3);
+       builderDev2.set(LSRID, "2.2.2.2");
+       deviceD2 = new MockDevice(deviceId2, builderDev2.build());
+       deviceService.addDevice(deviceD2);
+
+       // Making L3 devices
+       DefaultAnnotations.Builder builderDev3 = DefaultAnnotations.builder();
+       builderDev3.set(AnnotationKeys.TYPE, L3);
+       builderDev3.set(LSRID, "3.3.3.3");
+       deviceD3 = new MockDevice(deviceId3, builderDev3.build());
+       deviceService.addDevice(deviceD3);
+
+       // Making L3 devices
+       DefaultAnnotations.Builder builderDev4 = DefaultAnnotations.builder();
+       builderDev4.set(AnnotationKeys.TYPE, L3);
+       builderDev4.set(LSRID, "4.4.4.4");
+       deviceD4 = new MockDevice(deviceId4, builderDev4.build());
+       deviceService.addDevice(deviceD4);
+
+       // Making L3 devices
+       DefaultAnnotations.Builder builderDev5 = DefaultAnnotations.builder();
+       builderDev5.set(AnnotationKeys.TYPE, L3);
+       builderDev5.set(LSRID, "5.5.5.5");
+       deviceD5 = new MockDevice(deviceId5, builderDev5.build());
+       deviceService.addDevice(deviceD5);
+
        Link l1 = DefaultLink.builder()
        Link l1 = DefaultLink.builder()
                             .providerId(providerId)
                             .providerId(providerId)
                             .annotations(DefaultAnnotations.builder().set("key1", "yahoo").build())
                             .annotations(DefaultAnnotations.builder().set("key1", "yahoo").build())
@@ -163,7 +202,6 @@ public class BasicPceccHandlerTest {
 
 
     @After
     @After
     public void tearDown() throws Exception {
     public void tearDown() throws Exception {
-        PceManagerTest.flowsDownloaded = 0;
     }
     }
 
 
     /**
     /**
@@ -179,7 +217,6 @@ public class BasicPceccHandlerTest {
      */
      */
     @Test
     @Test
     public void testAllocateLabel() {
     public void testAllocateLabel() {
-       List<LspLocalLabelInfo> lspLocalLabelInfoList;
        Iterator<LspLocalLabelInfo> iterator;
        Iterator<LspLocalLabelInfo> iterator;
        LspLocalLabelInfo lspLocalLabelInfo;
        LspLocalLabelInfo lspLocalLabelInfo;
        DeviceId deviceId;
        DeviceId deviceId;
@@ -192,8 +229,7 @@ public class BasicPceccHandlerTest {
        assertThat(pceccHandler.allocateLabel(tunnel), is(true));
        assertThat(pceccHandler.allocateLabel(tunnel), is(true));
 
 
        // Check list of devices with IN and OUT labels whether stored properly in store
        // Check list of devices with IN and OUT labels whether stored properly in store
-       pceccTunnelInfo = pceStore.getTunnelInfo(tunnel.tunnelId());
-       lspLocalLabelInfoList = pceccTunnelInfo.lspLocalLabelInfoList();
+       lspLocalLabelInfoList = pceStore.getTunnelInfo(tunnel.tunnelId());
        iterator = lspLocalLabelInfoList.iterator();
        iterator = lspLocalLabelInfoList.iterator();
 
 
        // Retrieve values and check device5
        // Retrieve values and check device5
@@ -281,7 +317,13 @@ public class BasicPceccHandlerTest {
        pceccHandler.releaseLabel(tunnel);
        pceccHandler.releaseLabel(tunnel);
 
 
        // Retrieve from store. Store should not contain this tunnel info.
        // Retrieve from store. Store should not contain this tunnel info.
-       pceccTunnelInfo = pceStore.getTunnelInfo(tunnel.tunnelId());
-       assertThat(pceccTunnelInfo, is(nullValue()));
+       lspLocalLabelInfoList = pceStore.getTunnelInfo(tunnel.tunnelId());
+       assertThat(lspLocalLabelInfoList, is(nullValue()));
+    }
+
+    private class MockDevice extends DefaultDevice {
+        MockDevice(DeviceId id, Annotations annotations) {
+            super(null, id, null, null, null, null, null, null, annotations);
+        }
     }
     }
 }
 }

@@ -13,19 +13,13 @@
  * See the License for the specific language governing permissions and
  * See the License for the specific language governing permissions and
  * limitations under the License.
  * limitations under the License.
  */
  */
-package org.onosproject.pce.pceservice;
+package org.onosproject.pcelabelstore.label;
 
 
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.is;
 import static org.hamcrest.Matchers.is;
 import static org.hamcrest.Matchers.notNullValue;
 import static org.hamcrest.Matchers.notNullValue;
 import static org.hamcrest.Matchers.nullValue;
 import static org.hamcrest.Matchers.nullValue;
 import static org.onosproject.net.Link.Type.DIRECT;
 import static org.onosproject.net.Link.Type.DIRECT;
-import static org.onosproject.pce.pceservice.PathComputationTest.D1;
-import static org.onosproject.pce.pceservice.PathComputationTest.D2;
-import static org.onosproject.pce.pceservice.PathComputationTest.D3;
-import static org.onosproject.pce.pceservice.PathComputationTest.D4;
-import static org.onosproject.pce.pceservice.PathComputationTest.D5;
-
 import java.util.Iterator;
 import java.util.Iterator;
 import java.util.List;
 import java.util.List;
 import java.util.LinkedList;
 import java.util.LinkedList;
@@ -33,9 +27,8 @@ import java.util.LinkedList;
 import org.junit.After;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.Test;
+import org.onlab.packet.IpAddress;
 import org.onosproject.incubator.net.resource.label.LabelResourceId;
 import org.onosproject.incubator.net.resource.label.LabelResourceId;
-import org.onosproject.core.ApplicationId;
-import org.onosproject.core.CoreService;
 import org.onosproject.incubator.net.resource.label.LabelResourceAdminService;
 import org.onosproject.incubator.net.resource.label.LabelResourceAdminService;
 import org.onosproject.incubator.net.resource.label.LabelResourceService;
 import org.onosproject.incubator.net.resource.label.LabelResourceService;
 import org.onosproject.incubator.net.tunnel.LabelStack;
 import org.onosproject.incubator.net.tunnel.LabelStack;
@@ -48,15 +41,19 @@ import org.onosproject.net.DefaultPath;
 import org.onosproject.net.Device;
 import org.onosproject.net.Device;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.PortNumber;
 import org.onosproject.net.PortNumber;
-import org.onosproject.net.flowobjective.FlowObjectiveService;
 import org.onosproject.net.Path;
 import org.onosproject.net.Path;
-import org.onosproject.pce.pceservice.PathComputationTest.MockNetConfigRegistryAdapter;
-import org.onosproject.pce.pcestore.api.PceStore;
 import org.onosproject.net.provider.ProviderId;
 import org.onosproject.net.provider.ProviderId;
-import org.onosproject.pce.util.LabelResourceAdapter;
-import org.onosproject.pce.util.PceStoreAdapter;
-import org.onosproject.pce.util.MockDeviceService;
+import org.onosproject.pcelabelstore.api.PceLabelStore;
+import org.onosproject.pcelabelstore.util.LabelResourceAdapter;
+import org.onosproject.pcelabelstore.util.MockDeviceService;
+import org.onosproject.pcelabelstore.util.MockNetConfigRegistryAdapter;
+import org.onosproject.pcelabelstore.util.MockPcepClientController;
+import org.onosproject.pcelabelstore.util.PceLabelStoreAdapter;
+import org.onosproject.pcelabelstore.util.PcepClientAdapter;
 import org.onosproject.pcep.api.DeviceCapability;
 import org.onosproject.pcep.api.DeviceCapability;
+import org.onosproject.pcep.controller.PccId;
+import org.onosproject.pcep.controller.impl.PceccSrTeBeHandler;
+import org.onosproject.pcepio.protocol.PcepVersion;
 import org.onosproject.net.DefaultLink;
 import org.onosproject.net.DefaultLink;
 import org.onosproject.net.Link;
 import org.onosproject.net.Link;
 
 
@@ -71,15 +68,14 @@ public class PceccSrTeBeHandlerTest {
     private static final String LSRID = "lsrId";
     private static final String LSRID = "lsrId";
 
 
     private PceccSrTeBeHandler srTeHandler;
     private PceccSrTeBeHandler srTeHandler;
-    private CoreService coreService;
     private LabelResourceAdminService labelRsrcAdminService;
     private LabelResourceAdminService labelRsrcAdminService;
     private LabelResourceService labelRsrcService;
     private LabelResourceService labelRsrcService;
-    private PceStore pceStore;
+    private PceLabelStore pceStore;
     private MockDeviceService deviceService;
     private MockDeviceService deviceService;
-    private FlowObjectiveService flowObjectiveService;
-    private MockNetConfigRegistryAdapter netCfgService = new PathComputationTest.MockNetConfigRegistryAdapter();
-    private ApplicationId appId;
+    private MockNetConfigRegistryAdapter netCfgService = new MockNetConfigRegistryAdapter();
+    private MockPcepClientController clientController = new MockPcepClientController();
     private ProviderId providerId;
     private ProviderId providerId;
+    private DeviceId deviceId1, deviceId2, deviceId3, deviceId4, deviceId5;
     private Device deviceD1;
     private Device deviceD1;
     private Device deviceD2;
     private Device deviceD2;
     private Device deviceD3;
     private Device deviceD3;
@@ -103,18 +99,52 @@ public class PceccSrTeBeHandlerTest {
         srTeHandler = PceccSrTeBeHandler.getInstance();
         srTeHandler = PceccSrTeBeHandler.getInstance();
         labelRsrcService = new LabelResourceAdapter();
         labelRsrcService = new LabelResourceAdapter();
         labelRsrcAdminService = new LabelResourceAdapter();
         labelRsrcAdminService = new LabelResourceAdapter();
-        flowObjectiveService = new PceManagerTest.MockFlowObjService();
-        coreService = new PceManagerTest.MockCoreService();
-        appId = coreService.registerApplication("org.onosproject.pce");
-        pceStore = new PceStoreAdapter();
+        pceStore = new PceLabelStoreAdapter();
         deviceService = new MockDeviceService();
         deviceService = new MockDeviceService();
-        srTeHandler.initialize(labelRsrcAdminService, labelRsrcService, flowObjectiveService, appId, pceStore,
+
+        srTeHandler.initialize(labelRsrcAdminService,
+                               labelRsrcService,
+                               clientController,
+                               pceStore,
                                deviceService);
                                deviceService);
 
 
         // Creates path
         // Creates path
         // Creates list of links
         // Creates list of links
         providerId = new ProviderId("of", "foo");
         providerId = new ProviderId("of", "foo");
 
 
+        PccId pccId1 = PccId.pccId(IpAddress.valueOf("11.1.1.1"));
+        PccId pccId2 = PccId.pccId(IpAddress.valueOf("12.1.1.1"));
+        PccId pccId3 = PccId.pccId(IpAddress.valueOf("13.1.1.1"));
+        PccId pccId4 = PccId.pccId(IpAddress.valueOf("14.1.1.1"));
+        PccId pccId5 = PccId.pccId(IpAddress.valueOf("15.1.1.1"));
+
+        PcepClientAdapter pc1 = new PcepClientAdapter();
+        pc1.init(pccId1, PcepVersion.PCEP_1);
+
+        PcepClientAdapter pc2 = new PcepClientAdapter();
+        pc2.init(pccId2, PcepVersion.PCEP_1);
+
+        PcepClientAdapter pc3 = new PcepClientAdapter();
+        pc3.init(pccId3, PcepVersion.PCEP_1);
+
+        PcepClientAdapter pc4 = new PcepClientAdapter();
+        pc4.init(pccId4, PcepVersion.PCEP_1);
+
+        PcepClientAdapter pc5 = new PcepClientAdapter();
+        pc5.init(pccId5, PcepVersion.PCEP_1);
+
+        clientController.addClient(pccId1, pc1);
+        clientController.addClient(pccId2, pc2);
+        clientController.addClient(pccId3, pc3);
+        clientController.addClient(pccId4, pc4);
+        clientController.addClient(pccId5, pc5);
+
+        deviceId1 = DeviceId.deviceId("11.1.1.1");
+        deviceId2 = DeviceId.deviceId("12.1.1.1");
+        deviceId3 = DeviceId.deviceId("13.1.1.1");
+        deviceId4 = DeviceId.deviceId("14.1.1.1");
+        deviceId5 = DeviceId.deviceId("15.1.1.1");
+
         // Devices
         // Devices
         DefaultAnnotations.Builder builderDev1 = DefaultAnnotations.builder();
         DefaultAnnotations.Builder builderDev1 = DefaultAnnotations.builder();
         DefaultAnnotations.Builder builderDev2 = DefaultAnnotations.builder();
         DefaultAnnotations.Builder builderDev2 = DefaultAnnotations.builder();
@@ -123,25 +153,25 @@ public class PceccSrTeBeHandlerTest {
         DefaultAnnotations.Builder builderDev5 = DefaultAnnotations.builder();
         DefaultAnnotations.Builder builderDev5 = DefaultAnnotations.builder();
 
 
         builderDev1.set(AnnotationKeys.TYPE, L3);
         builderDev1.set(AnnotationKeys.TYPE, L3);
-        builderDev1.set(LSRID, "1.1.1.1");
+        builderDev1.set(LSRID, "11.1.1.1");
 
 
         builderDev2.set(AnnotationKeys.TYPE, L3);
         builderDev2.set(AnnotationKeys.TYPE, L3);
-        builderDev2.set(LSRID, "2.2.2.2");
+        builderDev2.set(LSRID, "12.1.1.1");
 
 
         builderDev3.set(AnnotationKeys.TYPE, L3);
         builderDev3.set(AnnotationKeys.TYPE, L3);
-        builderDev3.set(LSRID, "3.3.3.3");
+        builderDev3.set(LSRID, "13.1.1.1");
 
 
         builderDev4.set(AnnotationKeys.TYPE, L3);
         builderDev4.set(AnnotationKeys.TYPE, L3);
-        builderDev4.set(LSRID, "4.4.4.4");
+        builderDev4.set(LSRID, "14.1.1.1");
 
 
         builderDev5.set(AnnotationKeys.TYPE, L3);
         builderDev5.set(AnnotationKeys.TYPE, L3);
-        builderDev5.set(LSRID, "5.5.5.5");
+        builderDev5.set(LSRID, "15.1.1.1");
 
 
-        deviceD1 = new MockDevice(D1.deviceId(), builderDev1.build());
-        deviceD2 = new MockDevice(D2.deviceId(), builderDev2.build());
-        deviceD3 = new MockDevice(D3.deviceId(), builderDev3.build());
-        deviceD4 = new MockDevice(D4.deviceId(), builderDev4.build());
-        deviceD5 = new MockDevice(D5.deviceId(), builderDev5.build());
+        deviceD1 = new MockDevice(deviceId1, builderDev1.build());
+        deviceD2 = new MockDevice(deviceId2, builderDev2.build());
+        deviceD3 = new MockDevice(deviceId3, builderDev3.build());
+        deviceD4 = new MockDevice(deviceId4, builderDev4.build());
+        deviceD5 = new MockDevice(deviceId5, builderDev5.build());
 
 
         deviceService.addDevice(deviceD1);
         deviceService.addDevice(deviceD1);
         deviceService.addDevice(deviceD2);
         deviceService.addDevice(deviceD2);
@@ -149,19 +179,19 @@ public class PceccSrTeBeHandlerTest {
         deviceService.addDevice(deviceD4);
         deviceService.addDevice(deviceD4);
         deviceService.addDevice(deviceD5);
         deviceService.addDevice(deviceD5);
 
 
-        DeviceCapability device1Cap = netCfgService.addConfig(DeviceId.deviceId("1.1.1.1"), DeviceCapability.class);
+        DeviceCapability device1Cap = netCfgService.addConfig(deviceId1, DeviceCapability.class);
         device1Cap.setLabelStackCap(true).setLocalLabelCap(false).setSrCap(true).apply();
         device1Cap.setLabelStackCap(true).setLocalLabelCap(false).setSrCap(true).apply();
 
 
-        DeviceCapability device2Cap = netCfgService.addConfig(DeviceId.deviceId("2.2.2.2"), DeviceCapability.class);
+        DeviceCapability device2Cap = netCfgService.addConfig(deviceId2, DeviceCapability.class);
         device2Cap.setLabelStackCap(true).setLocalLabelCap(false).setSrCap(true).apply();
         device2Cap.setLabelStackCap(true).setLocalLabelCap(false).setSrCap(true).apply();
 
 
-        DeviceCapability device3Cap = netCfgService.addConfig(DeviceId.deviceId("3.3.3.3"), DeviceCapability.class);
+        DeviceCapability device3Cap = netCfgService.addConfig(deviceId3, DeviceCapability.class);
         device3Cap.setLabelStackCap(true).setLocalLabelCap(false).setSrCap(true).apply();
         device3Cap.setLabelStackCap(true).setLocalLabelCap(false).setSrCap(true).apply();
 
 
-        DeviceCapability device4Cap = netCfgService.addConfig(DeviceId.deviceId("4.4.4.4"), DeviceCapability.class);
+        DeviceCapability device4Cap = netCfgService.addConfig(deviceId4, DeviceCapability.class);
         device4Cap.setLabelStackCap(true).setLocalLabelCap(false).setSrCap(true).apply();
         device4Cap.setLabelStackCap(true).setLocalLabelCap(false).setSrCap(true).apply();
 
 
-        DeviceCapability device5Cap = netCfgService.addConfig(DeviceId.deviceId("5.5.5.5"), DeviceCapability.class);
+        DeviceCapability device5Cap = netCfgService.addConfig(deviceId5, DeviceCapability.class);
         device5Cap.setLabelStackCap(true).setLocalLabelCap(false).setSrCap(true).apply();
         device5Cap.setLabelStackCap(true).setLocalLabelCap(false).setSrCap(true).apply();
 
 
         // Port Numbers
         // Port Numbers
@@ -199,7 +229,6 @@ public class PceccSrTeBeHandlerTest {
 
 
     @After
     @After
     public void tearDown() throws Exception {
     public void tearDown() throws Exception {
-        PceManagerTest.flowsDownloaded = 0;
     }
     }
 
 
     /**
     /**
@@ -228,45 +257,45 @@ public class PceccSrTeBeHandlerTest {
         //device 1
         //device 1
         String lsrId1 = "11.1.1.1";
         String lsrId1 = "11.1.1.1";
         // Allocate node label for specific device D1deviceId
         // Allocate node label for specific device D1deviceId
-        assertThat(srTeHandler.allocateNodeLabel(D1.deviceId(), lsrId1), is(true));
+        assertThat(srTeHandler.allocateNodeLabel(deviceId1, lsrId1), is(true));
         // Retrieve label from store
         // Retrieve label from store
-        LabelResourceId labelId = pceStore.getGlobalNodeLabel(D1.deviceId());
+        LabelResourceId labelId = pceStore.getGlobalNodeLabel(deviceId1);
         // Check whether label is generated for this device D1.deviceId()
         // Check whether label is generated for this device D1.deviceId()
         assertThat(labelId, is(notNullValue()));
         assertThat(labelId, is(notNullValue()));
 
 
         // device 2
         // device 2
         String lsrId2 = "12.1.1.1";
         String lsrId2 = "12.1.1.1";
         // Allocate node label for specific device D2.deviceId()
         // Allocate node label for specific device D2.deviceId()
-        assertThat(srTeHandler.allocateNodeLabel(D2.deviceId(), lsrId2), is(true));
+        assertThat(srTeHandler.allocateNodeLabel(deviceId2, lsrId2), is(true));
         // Retrieve label from store
         // Retrieve label from store
-        labelId = pceStore.getGlobalNodeLabel(D2.deviceId());
+        labelId = pceStore.getGlobalNodeLabel(deviceId2);
         // Check whether label is generated for this device D2.deviceId()
         // Check whether label is generated for this device D2.deviceId()
         assertThat(labelId, is(notNullValue()));
         assertThat(labelId, is(notNullValue()));
 
 
         // device 3
         // device 3
         String lsrId3 = "13.1.1.1";
         String lsrId3 = "13.1.1.1";
         // Allocate node label for specific device D3.deviceId()
         // Allocate node label for specific device D3.deviceId()
-        assertThat(srTeHandler.allocateNodeLabel(D3.deviceId(), lsrId3), is(true));
+        assertThat(srTeHandler.allocateNodeLabel(deviceId3, lsrId3), is(true));
         // Retrieve label from store
         // Retrieve label from store
-        labelId = pceStore.getGlobalNodeLabel(D3.deviceId());
+        labelId = pceStore.getGlobalNodeLabel(deviceId3);
         // Check whether label is generated for this device D3.deviceId()
         // Check whether label is generated for this device D3.deviceId()
         assertThat(labelId, is(notNullValue()));
         assertThat(labelId, is(notNullValue()));
 
 
         // device 4
         // device 4
         String lsrId4 = "14.1.1.1";
         String lsrId4 = "14.1.1.1";
         // Allocate node label for specific device D4.deviceId()
         // Allocate node label for specific device D4.deviceId()
-        assertThat(srTeHandler.allocateNodeLabel(D4.deviceId(), lsrId4), is(true));
+        assertThat(srTeHandler.allocateNodeLabel(deviceId4, lsrId4), is(true));
         // Retrieve label from store
         // Retrieve label from store
-        labelId = pceStore.getGlobalNodeLabel(D4.deviceId());
+        labelId = pceStore.getGlobalNodeLabel(deviceId4);
         // Check whether label is generated for this device D4.deviceId()
         // Check whether label is generated for this device D4.deviceId()
         assertThat(labelId, is(notNullValue()));
         assertThat(labelId, is(notNullValue()));
 
 
         // device 5
         // device 5
         String lsrId5 = "15.1.1.1";
         String lsrId5 = "15.1.1.1";
         // Allocate node label for specific device D5.deviceId()
         // Allocate node label for specific device D5.deviceId()
-        assertThat(srTeHandler.allocateNodeLabel(D5.deviceId(), lsrId5), is(true));
+        assertThat(srTeHandler.allocateNodeLabel(deviceId5, lsrId5), is(true));
         // Retrieve label from store
         // Retrieve label from store
-        labelId = pceStore.getGlobalNodeLabel(D5.deviceId());
+        labelId = pceStore.getGlobalNodeLabel(deviceId5);
         // Check whether label is generated for this device D5.deviceId()
         // Check whether label is generated for this device D5.deviceId()
         assertThat(labelId, is(notNullValue()));
         assertThat(labelId, is(notNullValue()));
     }
     }
@@ -282,41 +311,41 @@ public class PceccSrTeBeHandlerTest {
         //device 1
         //device 1
         String lsrId1 = "11.1.1.1";
         String lsrId1 = "11.1.1.1";
         // Check whether successfully released node label
         // Check whether successfully released node label
-        assertThat(srTeHandler.releaseNodeLabel(D1.deviceId(), lsrId1), is(true));
+        assertThat(srTeHandler.releaseNodeLabel(deviceId1, lsrId1), is(true));
         // Check whether successfully removed label from store
         // Check whether successfully removed label from store
-        LabelResourceId labelId = pceStore.getGlobalNodeLabel(D1.deviceId());
+        LabelResourceId labelId = pceStore.getGlobalNodeLabel(deviceId1);
         assertThat(labelId, is(nullValue()));
         assertThat(labelId, is(nullValue()));
 
 
         //device 2
         //device 2
         String lsrId2 = "12.1.1.1";
         String lsrId2 = "12.1.1.1";
         // Check whether successfully released node label
         // Check whether successfully released node label
-        assertThat(srTeHandler.releaseNodeLabel(D2.deviceId(), lsrId2), is(true));
+        assertThat(srTeHandler.releaseNodeLabel(deviceId2, lsrId2), is(true));
         // Check whether successfully removed label from store
         // Check whether successfully removed label from store
-        labelId = pceStore.getGlobalNodeLabel(D2.deviceId());
+        labelId = pceStore.getGlobalNodeLabel(deviceId2);
         assertThat(labelId, is(nullValue()));
         assertThat(labelId, is(nullValue()));
 
 
         //device 3
         //device 3
         String lsrId3 = "13.1.1.1";
         String lsrId3 = "13.1.1.1";
         // Check whether successfully released node label
         // Check whether successfully released node label
-        assertThat(srTeHandler.releaseNodeLabel(D3.deviceId(), lsrId3), is(true));
+        assertThat(srTeHandler.releaseNodeLabel(deviceId3, lsrId3), is(true));
         // Check whether successfully removed label from store
         // Check whether successfully removed label from store
-        labelId = pceStore.getGlobalNodeLabel(D3.deviceId());
+        labelId = pceStore.getGlobalNodeLabel(deviceId3);
         assertThat(labelId, is(nullValue()));
         assertThat(labelId, is(nullValue()));
 
 
         //device 4
         //device 4
         String lsrId4 = "14.1.1.1";
         String lsrId4 = "14.1.1.1";
         // Check whether successfully released node label
         // Check whether successfully released node label
-        assertThat(srTeHandler.releaseNodeLabel(D4.deviceId(), lsrId4), is(true));
+        assertThat(srTeHandler.releaseNodeLabel(deviceId4, lsrId4), is(true));
         // Check whether successfully removed label from store
         // Check whether successfully removed label from store
-        labelId = pceStore.getGlobalNodeLabel(D4.deviceId());
+        labelId = pceStore.getGlobalNodeLabel(deviceId4);
         assertThat(labelId, is(nullValue()));
         assertThat(labelId, is(nullValue()));
 
 
         //device 5
         //device 5
         String lsrId5 = "15.1.1.1";
         String lsrId5 = "15.1.1.1";
         // Check whether successfully released node label
         // Check whether successfully released node label
-        assertThat(srTeHandler.releaseNodeLabel(D5.deviceId(), lsrId5), is(true));
+        assertThat(srTeHandler.releaseNodeLabel(deviceId5, lsrId5), is(true));
         // Check whether successfully removed label from store
         // Check whether successfully removed label from store
-        labelId = pceStore.getGlobalNodeLabel(D5.deviceId());
+        labelId = pceStore.getGlobalNodeLabel(deviceId5);
         assertThat(labelId, is(nullValue()));
         assertThat(labelId, is(nullValue()));
     }
     }
 
 
@@ -394,15 +423,15 @@ public class PceccSrTeBeHandlerTest {
     public void testComputeLabelStack() {
     public void testComputeLabelStack() {
         // Allocate node labels to each devices
         // Allocate node labels to each devices
         labelId = LabelResourceId.labelResourceId(4097);
         labelId = LabelResourceId.labelResourceId(4097);
-        pceStore.addGlobalNodeLabel(D1.deviceId(), labelId);
+        pceStore.addGlobalNodeLabel(deviceId1, labelId);
         labelId = LabelResourceId.labelResourceId(4098);
         labelId = LabelResourceId.labelResourceId(4098);
-        pceStore.addGlobalNodeLabel(D2.deviceId(), labelId);
+        pceStore.addGlobalNodeLabel(deviceId2, labelId);
         labelId = LabelResourceId.labelResourceId(4099);
         labelId = LabelResourceId.labelResourceId(4099);
-        pceStore.addGlobalNodeLabel(D3.deviceId(), labelId);
+        pceStore.addGlobalNodeLabel(deviceId3, labelId);
         labelId = LabelResourceId.labelResourceId(4100);
         labelId = LabelResourceId.labelResourceId(4100);
-        pceStore.addGlobalNodeLabel(D4.deviceId(), labelId);
+        pceStore.addGlobalNodeLabel(deviceId4, labelId);
         labelId = LabelResourceId.labelResourceId(4101);
         labelId = LabelResourceId.labelResourceId(4101);
-        pceStore.addGlobalNodeLabel(D5.deviceId(), labelId);
+        pceStore.addGlobalNodeLabel(deviceId5, labelId);
 
 
         // Allocate adjacency labels to each devices
         // Allocate adjacency labels to each devices
         labelId = LabelResourceId.labelResourceId(5122);
         labelId = LabelResourceId.labelResourceId(5122);

+/*
+ * Copyright 2015-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.pcelabelstore.util;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.Executor;
+import java.util.function.BiFunction;
+import java.util.function.Function;
+import java.util.function.Predicate;
+
+import org.onosproject.store.service.ConsistentMap;
+import org.onosproject.store.service.DistributedPrimitive;
+import org.onosproject.store.service.MapEventListener;
+import org.onosproject.store.service.Versioned;
+
+/**
+ * Testing adapter for the consistent map.
+ */
+public class ConsistentMapAdapter<K, V> implements ConsistentMap<K, V> {
+
+    @Override
+    public String name() {
+        return null;
+    }
+
+    @Override
+    public DistributedPrimitive.Type primitiveType() {
+        return DistributedPrimitive.Type.CONSISTENT_MAP;
+    }
+
+    @Override
+    public int size() {
+        return 0;
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return false;
+    }
+
+    @Override
+    public boolean containsKey(K key) {
+        return false;
+    }
+
+    @Override
+    public boolean containsValue(V value) {
+        return false;
+    }
+
+    @Override
+    public Versioned<V> get(K key) {
+        return null;
+    }
+
+    @Override
+    public Versioned<V> computeIfAbsent(K key, Function<? super K, ? extends V> mappingFunction) {
+        return null;
+    }
+
+    @Override
+    public Versioned<V> compute(K key, BiFunction<? super K, ? super V, ? extends V> remappingFunction) {
+        return null;
+    }
+
+    @Override
+    public Versioned<V> computeIfPresent(K key, BiFunction<? super K, ? super V, ? extends V> remappingFunction) {
+        return null;
+    }
+
+    @Override
+    public Versioned<V> computeIf(K key, Predicate<? super V> condition,
+                                  BiFunction<? super K, ? super V, ? extends V> remappingFunction) {
+        return null;
+    }
+
+    @Override
+    public Versioned<V> put(K key, V value) {
+        return null;
+    }
+
+    @Override
+    public Versioned<V> putAndGet(K key, V value) {
+        return null;
+    }
+
+    @Override
+    public Versioned<V> remove(K key) {
+        return null;
+    }
+
+    @Override
+    public void clear() {
+
+    }
+
+    @Override
+    public Set<K> keySet() {
+        return null;
+    }
+
+    @Override
+    public Collection<Versioned<V>> values() {
+        return null;
+    }
+
+    @Override
+    public Set<Map.Entry<K, Versioned<V>>> entrySet() {
+        return null;
+    }
+
+    @Override
+    public Versioned<V> putIfAbsent(K key, V value) {
+        return null;
+    }
+
+    @Override
+    public boolean remove(K key, V value) {
+        return false;
+    }
+
+    @Override
+    public boolean remove(K key, long version) {
+        return false;
+    }
+
+    @Override
+    public Versioned replace(K key, V value) {
+        return null;
+    }
+
+    @Override
+    public boolean replace(K key, V oldValue, V newValue) {
+        return false;
+    }
+
+    @Override
+    public boolean replace(K key, long oldVersion, V newValue) {
+        return false;
+    }
+
+    @Override
+    public void addListener(MapEventListener<K, V> listener, Executor executor) {
+
+    }
+
+    @Override
+    public void removeListener(MapEventListener<K, V> listener) {
+
+    }
+
+    @Override
+    public Map<K, V> asJavaMap() {
+        return null;
+    }
+}

+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.pcelabelstore.util;
+
+import java.util.Collection;
+import java.util.Set;
+import java.util.concurrent.CompletableFuture;
+
+import org.onosproject.store.service.AsyncDistributedSet;
+import org.onosproject.store.service.SetEventListener;
+
+/**
+ * Testing adapter for the distributed set.
+ */
+public class DistributedSetAdapter<E> implements AsyncDistributedSet<E> {
+    @Override
+    public CompletableFuture<Void> addListener(SetEventListener<E> listener) {
+        return null;
+    }
+
+    @Override
+    public CompletableFuture<Void> removeListener(SetEventListener<E> listener) {
+        return null;
+    }
+
+    @Override
+    public CompletableFuture<Boolean> add(E element) {
+        return null;
+    }
+
+    @Override
+    public CompletableFuture<Boolean> remove(E element) {
+        return null;
+    }
+
+    @Override
+    public CompletableFuture<Integer> size() {
+        return null;
+    }
+
+    @Override
+    public CompletableFuture<Boolean> isEmpty() {
+        return null;
+    }
+
+    @Override
+    public CompletableFuture<Void> clear() {
+        return null;
+    }
+
+    @Override
+    public CompletableFuture<Boolean> contains(E element) {
+        return null;
+    }
+
+    @Override
+    public CompletableFuture<Boolean> addAll(Collection<? extends E> c) {
+        return null;
+    }
+
+    @Override
+    public CompletableFuture<Boolean> containsAll(Collection<? extends E> c) {
+        return null;
+    }
+
+    @Override
+    public CompletableFuture<Boolean> retainAll(Collection<? extends E> c) {
+        return null;
+    }
+
+    @Override
+    public CompletableFuture<Boolean> removeAll(Collection<? extends E> c) {
+        return null;
+    }
+
+    @Override
+    public CompletableFuture<? extends Set<E>> getAsImmutableSet() {
+        return null;
+    }
+
+    @Override
+    public String name() {
+        return null;
+    }
+}

+/*
+ * Copyright 2015-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.pcelabelstore.util;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.CompletableFuture;
+import java.util.function.BiFunction;
+
+import org.onosproject.store.service.EventuallyConsistentMap;
+import org.onosproject.store.service.EventuallyConsistentMapListener;
+
+/**
+ * Testing adapter for EventuallyConsistentMap.
+ */
+public class EventuallyConsistentMapAdapter<K, V> implements EventuallyConsistentMap<K, V> {
+
+    @Override
+    public String name() {
+        return null;
+    }
+
+    @Override
+    public Type primitiveType() {
+        return Type.EVENTUALLY_CONSISTENT_MAP;
+    }
+
+    @Override
+    public int size() {
+        return 0;
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return false;
+    }
+
+    @Override
+    public boolean containsKey(K key) {
+        return false;
+    }
+
+    @Override
+    public boolean containsValue(V value) {
+        return false;
+    }
+
+    @Override
+    public V get(K key) {
+        return null;
+    }
+
+    @Override
+    public void put(K key, V value) {
+
+    }
+
+    @Override
+    public V remove(K key) {
+        return null;
+    }
+
+    @Override
+    public void remove(K key, V value) {
+
+    }
+
+    @Override
+    public V compute(K key, BiFunction<K, V, V> recomputeFunction) {
+        return null;
+    }
+
+    @Override
+    public void putAll(Map<? extends K, ? extends V> m) {
+
+    }
+
+    @Override
+    public void clear() {
+
+    }
+
+    @Override
+    public Set<K> keySet() {
+        return null;
+    }
+
+    @Override
+    public Collection<V> values() {
+        return null;
+    }
+
+    @Override
+    public Set<Map.Entry<K, V>> entrySet() {
+        return null;
+    }
+
+    @Override
+    public void addListener(EventuallyConsistentMapListener<K, V> listener) {
+
+    }
+
+    @Override
+    public void removeListener(EventuallyConsistentMapListener<K, V> listener) {
+
+    }
+
+    @Override
+    public CompletableFuture<Void> destroy() {
+        return CompletableFuture.completedFuture(null);
+    }
+}

+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.pcelabelstore.util;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import java.util.Collection;
+import java.util.LinkedList;
+import java.util.Random;
+import java.util.Set;
+
+import org.onosproject.incubator.net.resource.label.DefaultLabelResource;
+import org.onosproject.incubator.net.resource.label.LabelResource;
+import org.onosproject.incubator.net.resource.label.LabelResourceAdminService;
+import org.onosproject.incubator.net.resource.label.LabelResourceDelegate;
+import org.onosproject.incubator.net.resource.label.LabelResourceEvent;
+import org.onosproject.incubator.net.resource.label.LabelResourceId;
+import org.onosproject.incubator.net.resource.label.LabelResourceListener;
+import org.onosproject.incubator.net.resource.label.LabelResourcePool;
+import org.onosproject.incubator.net.resource.label.LabelResourceProvider;
+import org.onosproject.incubator.net.resource.label.LabelResourceProviderRegistry;
+import org.onosproject.incubator.net.resource.label.LabelResourceProviderService;
+import org.onosproject.incubator.net.resource.label.LabelResourceService;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.device.DeviceEvent;
+import org.onosproject.net.device.DeviceEvent.Type;
+import org.onosproject.net.device.DeviceListener;
+import org.onosproject.net.provider.AbstractListenerProviderRegistry;
+import org.onosproject.net.provider.AbstractProviderService;
+
+import com.google.common.collect.Multimap;
+
+/**
+ * Provides test implementation of class LabelResourceService.
+ */
+public class LabelResourceAdapter
+        extends AbstractListenerProviderRegistry<LabelResourceEvent, LabelResourceListener,
+                                                 LabelResourceProvider, LabelResourceProviderService>
+        implements LabelResourceService, LabelResourceAdminService, LabelResourceProviderRegistry {
+    public static final long GLOBAL_LABEL_SPACE_MIN = 4097;
+    public static final long GLOBAL_LABEL_SPACE_MAX = 5121;
+    public static final long LOCAL_LABEL_SPACE_MIN = 5122;
+    public static final long LOCAL_LABEL_SPACE_MAX = 9217;
+
+    private Random random = new Random();
+
+    @Override
+    public boolean createDevicePool(DeviceId deviceId,
+                                    LabelResourceId beginLabel,
+                                    LabelResourceId endLabel) {
+       return true;
+    }
+
+    @Override
+    public boolean createGlobalPool(LabelResourceId beginLabel,
+                                    LabelResourceId endLabel) {
+       return true;
+    }
+
+    @Override
+    public boolean destroyDevicePool(DeviceId deviceId) {
+       return true;
+    }
+
+    @Override
+    public boolean destroyGlobalPool() {
+       return true;
+    }
+
+    public long getLabelId(long min, long max) {
+      return random.nextInt((int) max - (int) min + 1) + (int) min;
+    }
+
+    @Override
+    public Collection<LabelResource> applyFromDevicePool(DeviceId deviceId,
+                                                  long applyNum) {
+        Collection<LabelResource> labelList = new LinkedList<>();
+        LabelResource label = new DefaultLabelResource(deviceId,
+                                  LabelResourceId.labelResourceId(
+                                  getLabelId(LOCAL_LABEL_SPACE_MIN, LOCAL_LABEL_SPACE_MAX)));
+        labelList.add(label);
+        return labelList;
+    }
+
+    @Override
+    public Collection<LabelResource> applyFromGlobalPool(long applyNum) {
+        Collection<LabelResource> labelList = new LinkedList<>();
+        LabelResource label = new DefaultLabelResource(DeviceId.deviceId("foo"),
+                                  LabelResourceId.labelResourceId(
+                                  getLabelId(GLOBAL_LABEL_SPACE_MIN, GLOBAL_LABEL_SPACE_MAX)));
+        labelList.add(label);
+        return labelList;
+    }
+
+    @Override
+    public boolean releaseToDevicePool(Multimap<DeviceId, LabelResource> release) {
+       return true;
+    }
+
+    @Override
+    public boolean releaseToGlobalPool(Set<LabelResourceId> release) {
+       return true;
+    }
+
+    @Override
+    public boolean isDevicePoolFull(DeviceId deviceId) {
+       return false;
+    }
+
+    @Override
+    public boolean isGlobalPoolFull() {
+       return false;
+    }
+
+    @Override
+    public long getFreeNumOfDevicePool(DeviceId deviceId) {
+       return 4;
+    }
+
+    @Override
+    public long getFreeNumOfGlobalPool() {
+       return 4;
+    }
+
+    @Override
+    public LabelResourcePool getDeviceLabelResourcePool(DeviceId deviceId) {
+       return null;
+    }
+
+    @Override
+    public LabelResourcePool getGlobalLabelResourcePool() {
+       return null;
+    }
+
+    private class InternalLabelResourceDelegate implements LabelResourceDelegate {
+        @Override
+        public void notify(LabelResourceEvent event) {
+            post(event);
+        }
+
+    }
+
+    private class InternalDeviceListener implements DeviceListener {
+        @Override
+        public void event(DeviceEvent event) {
+            Device device = event.subject();
+            if (Type.DEVICE_REMOVED.equals(event.type())) {
+                destroyDevicePool(device.id());
+            }
+        }
+    }
+
+    private class InternalLabelResourceProviderService
+            extends AbstractProviderService<LabelResourceProvider>
+            implements LabelResourceProviderService {
+
+        protected InternalLabelResourceProviderService(LabelResourceProvider provider) {
+            super(provider);
+        }
+
+        @Override
+        public void deviceLabelResourcePoolDetected(DeviceId deviceId,
+                                                    LabelResourceId beginLabel,
+                                                    LabelResourceId endLabel) {
+            checkNotNull(deviceId, "deviceId is not null");
+            checkNotNull(beginLabel, "beginLabel is not null");
+            checkNotNull(endLabel, "endLabel is not null");
+            createDevicePool(deviceId, beginLabel, endLabel);
+        }
+
+        @Override
+        public void deviceLabelResourcePoolDestroyed(DeviceId deviceId) {
+            checkNotNull(deviceId, "deviceId is not null");
+            destroyDevicePool(deviceId);
+        }
+
+    }
+
+    @Override
+    protected LabelResourceProviderService createProviderService(LabelResourceProvider provider) {
+        return null;
+    }
+}

+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.pcelabelstore.util;
+
+import java.util.LinkedList;
+import java.util.List;
+
+import org.onosproject.net.device.DeviceListener;
+import org.onosproject.net.device.PortStatistics;
+import org.onosproject.net.Device;
+import org.onosproject.net.Device.Type;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.MastershipRole;
+import org.onosproject.net.Port;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.device.DeviceService;
+
+/**
+ * Test fixture for the device service.
+ */
+public class MockDeviceService implements DeviceService {
+    private List<Device> devices = new LinkedList<>();
+    private DeviceListener listener;
+
+    /**
+     * Adds a new device.
+     *
+     * @param dev device to be added
+     */
+    public void addDevice(Device dev) {
+        devices.add(dev);
+    }
+
+    /**
+     * Removes the specified device.
+     *
+     * @param dev device to be removed
+     */
+    public void removeDevice(Device dev) {
+        devices.remove(dev);
+    }
+
+    @Override
+    public Device getDevice(DeviceId deviceId) {
+        for (Device dev : devices) {
+            if (dev.id().equals(deviceId)) {
+                return dev;
+            }
+        }
+        return null;
+    }
+
+    @Override
+    public Iterable<Device> getAvailableDevices() {
+        return devices;
+    }
+
+    @Override
+    public void addListener(DeviceListener listener) {
+        this.listener = listener;
+    }
+
+    /**
+     * Get the listener.
+     */
+    public DeviceListener getListener() {
+        return listener;
+    }
+
+    @Override
+    public void removeListener(DeviceListener listener) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public int getDeviceCount() {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public Iterable<Device> getDevices() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public Iterable<Device> getDevices(Type type) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public Iterable<Device> getAvailableDevices(Type type) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public MastershipRole getRole(DeviceId deviceId) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public List<Port> getPorts(DeviceId deviceId) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public List<PortStatistics> getPortStatistics(DeviceId deviceId) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public List<PortStatistics> getPortDeltaStatistics(DeviceId deviceId) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public Port getPort(DeviceId deviceId, PortNumber portNumber) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public boolean isAvailable(DeviceId deviceId) {
+        // TODO Auto-generated method stub
+        return false;
+    }
+}

+package org.onosproject.pcelabelstore.util;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.config.Config;
+import org.onosproject.net.config.ConfigApplyDelegate;
+import org.onosproject.net.config.ConfigFactory;
+import org.onosproject.net.config.NetworkConfigListener;
+import org.onosproject.net.config.NetworkConfigRegistry;
+import org.onosproject.net.config.NetworkConfigService;
+import org.onosproject.net.config.SubjectFactory;
+import org.onosproject.pcep.api.DeviceCapability;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.JsonNodeFactory;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+
+/* Mock test for network config registry. */
+public class MockNetConfigRegistryAdapter implements NetworkConfigService, NetworkConfigRegistry {
+    private ConfigFactory cfgFactory;
+    private Map<DeviceId, DeviceCapability> classConfig = new HashMap<>();
+
+    @Override
+    public void registerConfigFactory(ConfigFactory configFactory) {
+        cfgFactory = configFactory;
+    }
+
+    @Override
+    public void unregisterConfigFactory(ConfigFactory configFactory) {
+        cfgFactory = null;
+    }
+
+    @Override
+    public <S, C extends Config<S>> C addConfig(S subject, Class<C> configClass) {
+        if (configClass == DeviceCapability.class) {
+            DeviceCapability devCap = new DeviceCapability();
+            classConfig.put((DeviceId) subject, devCap);
+
+            JsonNode node = new ObjectNode(new MockJsonNode());
+            ObjectMapper mapper = new ObjectMapper();
+            ConfigApplyDelegate delegate = new InternalApplyDelegate();
+            devCap.init((DeviceId) subject, null, node, mapper, delegate);
+            return (C) devCap;
+        }
+
+        return null;
+    }
+
+    @Override
+    public <S, C extends Config<S>> void removeConfig(S subject, Class<C> configClass) {
+        classConfig.remove(subject);
+    }
+
+    @Override
+    public <S, C extends Config<S>> C getConfig(S subject, Class<C> configClass) {
+        if (configClass == DeviceCapability.class) {
+            return (C) classConfig.get(subject);
+        }
+        return null;
+    }
+
+    private class MockJsonNode extends JsonNodeFactory {
+    }
+
+    // Auxiliary delegate to receive notifications about changes applied to
+    // the network configuration - by the apps.
+    private class InternalApplyDelegate implements ConfigApplyDelegate {
+        @Override
+        public void onApply(Config config) {
+            //configs.put(config.subject(), config.node());
+        }
+    }
+
+    @Override
+    public void addListener(NetworkConfigListener listener) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public void removeListener(NetworkConfigListener listener) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public Set<ConfigFactory> getConfigFactories() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public <S, C extends Config<S>> Set<ConfigFactory<S, C>> getConfigFactories(Class<S> subjectClass) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public <S, C extends Config<S>> ConfigFactory<S, C> getConfigFactory(Class<C> configClass) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public Set<Class> getSubjectClasses() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public SubjectFactory getSubjectFactory(String subjectClassKey) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public SubjectFactory getSubjectFactory(Class subjectClass) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public Class<? extends Config> getConfigClass(String subjectClassKey, String configKey) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public <S> Set<S> getSubjects(Class<S> subjectClass) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public <S, C extends Config<S>> Set<S> getSubjects(Class<S> subjectClass, Class<C> configClass) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public <S> Set<? extends Config<S>> getConfigs(S subject) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public <S, C extends Config<S>> C applyConfig(S subject, Class<C> configClass, JsonNode json) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public <S, C extends Config<S>> C applyConfig(String subjectClassKey, S subject, String configKey, JsonNode json) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public <S> void removeConfig(String subjectClassKey, S subject, String configKey) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public <S> void removeConfig(S subject) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public <S> void removeConfig() {
+        // TODO Auto-generated method stub
+
+    }
+}

+package org.onosproject.pcelabelstore.util;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.Map;
+
+import org.onosproject.incubator.net.tunnel.DefaultLabelStack;
+import org.onosproject.incubator.net.tunnel.LabelStack;
+import org.onosproject.incubator.net.tunnel.Tunnel;
+import org.onosproject.net.Path;
+import org.onosproject.pcep.controller.PccId;
+import org.onosproject.pcep.controller.PcepClient;
+import org.onosproject.pcep.controller.PcepClientController;
+import org.onosproject.pcep.controller.PcepClientListener;
+import org.onosproject.pcep.controller.PcepEventListener;
+import org.onosproject.pcep.controller.PcepNodeListener;
+import org.onosproject.pcepio.protocol.PcepMessage;
+import org.onosproject.pcepio.types.PcepValueType;
+
+public class MockPcepClientController implements PcepClientController {
+
+    Map<PccId, PcepClient> clientMap = new HashMap<>();
+
+    @Override
+    public Collection<PcepClient> getClients() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    public void addClient(PccId pccId, PcepClient pc) {
+        clientMap.put(pccId, pc);
+        return;
+    }
+
+    @Override
+    public PcepClient getClient(PccId pccId) {
+        return clientMap.get(pccId);
+    }
+
+    @Override
+    public void addListener(PcepClientListener listener) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public void removeListener(PcepClientListener listener) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public void addEventListener(PcepEventListener listener) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public void removeEventListener(PcepEventListener listener) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public void addNodeListener(PcepNodeListener listener) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public void removeNodeListener(PcepNodeListener listener) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public void writeMessage(PccId pccId, PcepMessage msg) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public void processClientMessage(PccId pccId, PcepMessage msg) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public void closeConnectedClients() {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public LabelStack computeLabelStack(Path path) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public LinkedList<PcepValueType> createPcepLabelStack(DefaultLabelStack labelStack, Path path) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public boolean allocateLocalLabel(Tunnel tunnel) {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+}

+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.pcelabelstore.util;
+
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+import org.onosproject.incubator.net.resource.label.LabelResourceId;
+import org.onosproject.incubator.net.tunnel.TunnelId;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.Link;
+import org.onosproject.pcelabelstore.api.LspLocalLabelInfo;
+import org.onosproject.pcelabelstore.api.PceLabelStore;
+
+/**
+ * Provides test implementation of PceStore.
+ */
+public class PceLabelStoreAdapter implements PceLabelStore {
+
+    // Mapping device with global node label
+    private ConcurrentMap<DeviceId, LabelResourceId> globalNodeLabelMap = new ConcurrentHashMap<>();
+
+    // Mapping link with adjacency label
+    private ConcurrentMap<Link, LabelResourceId> adjLabelMap = new ConcurrentHashMap<>();
+
+    // Mapping tunnel with device local info with tunnel consumer id
+    private ConcurrentMap<TunnelId, List<LspLocalLabelInfo>> tunnelInfoMap = new ConcurrentHashMap<>();
+
+
+    // Locally maintain LSRID to device id mapping for better performance.
+    private Map<String, DeviceId> lsrIdDeviceIdMap = new HashMap<>();
+
+    @Override
+    public boolean existsGlobalNodeLabel(DeviceId id) {
+        return globalNodeLabelMap.containsKey(id);
+    }
+
+    @Override
+    public boolean existsAdjLabel(Link link) {
+        return adjLabelMap.containsKey(link);
+    }
+
+    @Override
+    public boolean existsTunnelInfo(TunnelId tunnelId) {
+        return tunnelInfoMap.containsKey(tunnelId);
+    }
+
+    @Override
+    public int getGlobalNodeLabelCount() {
+        return globalNodeLabelMap.size();
+    }
+
+    @Override
+    public int getAdjLabelCount() {
+        return adjLabelMap.size();
+    }
+
+    @Override
+    public int getTunnelInfoCount() {
+        return tunnelInfoMap.size();
+    }
+
+    @Override
+    public boolean removeTunnelInfo(TunnelId tunnelId) {
+        tunnelInfoMap.remove(tunnelId);
+        if (tunnelInfoMap.containsKey(tunnelId)) {
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public Map<DeviceId, LabelResourceId> getGlobalNodeLabels() {
+       return globalNodeLabelMap.entrySet().stream()
+                 .collect(Collectors.toMap(Map.Entry::getKey, e -> e.getValue()));
+    }
+
+    @Override
+    public Map<Link, LabelResourceId> getAdjLabels() {
+       return adjLabelMap.entrySet().stream()
+                 .collect(Collectors.toMap(Map.Entry::getKey, e -> e.getValue()));
+    }
+
+    @Override
+    public LabelResourceId getGlobalNodeLabel(DeviceId id) {
+        return globalNodeLabelMap.get(id);
+    }
+
+    @Override
+    public LabelResourceId getAdjLabel(Link link) {
+        return adjLabelMap.get(link);
+    }
+
+    @Override
+    public List<LspLocalLabelInfo> getTunnelInfo(TunnelId tunnelId) {
+        return tunnelInfoMap.get(tunnelId);
+    }
+
+    @Override
+    public void addGlobalNodeLabel(DeviceId deviceId, LabelResourceId labelId) {
+        globalNodeLabelMap.put(deviceId, labelId);
+    }
+
+    @Override
+    public void addAdjLabel(Link link, LabelResourceId labelId) {
+        adjLabelMap.put(link, labelId);
+    }
+
+    @Override
+    public void addTunnelInfo(TunnelId tunnelId, List<LspLocalLabelInfo> lspLocalLabelInfoList) {
+        tunnelInfoMap.put(tunnelId, lspLocalLabelInfoList);
+    }
+
+    @Override
+    public boolean removeGlobalNodeLabel(DeviceId id) {
+        globalNodeLabelMap.remove(id);
+        if (globalNodeLabelMap.containsKey(id)) {
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public boolean removeAdjLabel(Link link) {
+        adjLabelMap.remove(link);
+        if (adjLabelMap.containsKey(link)) {
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public boolean addLsrIdDevice(String lsrId, DeviceId deviceId) {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean removeLsrIdDevice(String lsrId) {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public DeviceId getLsrIdDevice(String lsrId) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public boolean addPccLsr(DeviceId lsrId) {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean removePccLsr(DeviceId lsrId) {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean hasPccLsr(DeviceId lsrId) {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public Map<TunnelId, List<LspLocalLabelInfo>> getTunnelInfos() {
+        return tunnelInfoMap.entrySet().stream()
+                .collect(Collectors.toMap(Map.Entry::getKey, e -> e.getValue()));
+    }
+}

+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.pcelabelstore.util;
+
+import static org.junit.Assert.assertNotNull;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.RejectedExecutionException;
+
+import org.jboss.netty.channel.Channel;
+import org.onosproject.pcep.controller.ClientCapability;
+import org.onosproject.pcep.controller.PccId;
+import org.onosproject.pcep.controller.LspKey;
+import org.onosproject.pcep.controller.PcepClient;
+import org.onosproject.pcep.controller.PcepSyncStatus;
+import org.onosproject.pcepio.protocol.PcepFactories;
+import org.onosproject.pcepio.protocol.PcepFactory;
+import org.onosproject.pcepio.protocol.PcepMessage;
+import org.onosproject.pcepio.protocol.PcepStateReport;
+import org.onosproject.pcepio.protocol.PcepVersion;
+
+/**
+ * Representation of PCEP client adapter.
+ */
+public class PcepClientAdapter implements PcepClient {
+
+    private Channel channel;
+    protected String channelId;
+
+    private boolean connected;
+    private PccId pccId;
+    private ClientCapability capability;
+
+    private PcepVersion pcepVersion;
+    private PcepSyncStatus lspDbSyncStatus;
+    private PcepSyncStatus labelDbSyncStatus;
+    private Map<LspKey, Boolean> lspDelegationInfo = new HashMap<>();
+
+    /**
+     * Initialize instance with specified parameters.
+     *
+     * @param pccId PCC id
+     * @param pcepVersion PCEP message version
+     */
+    public void init(PccId pccId, PcepVersion pcepVersion) {
+        this.pccId = pccId;
+        this.pcepVersion = pcepVersion;
+    }
+
+    @Override
+    public final void disconnectClient() {
+        this.channel.close();
+    }
+
+    @Override
+    public final void sendMessage(PcepMessage m) {
+    }
+
+    @Override
+    public final void sendMessage(List<PcepMessage> msgs) {
+        try {
+            PcepMessage pcepMsg = msgs.get(0);
+            assertNotNull("PCEP MSG should be created.", pcepMsg);
+        } catch (RejectedExecutionException e) {
+            throw e;
+        }
+    }
+
+    @Override
+    public final boolean isConnected() {
+        return this.connected;
+    }
+
+    @Override
+    public String channelId() {
+        return channelId;
+    }
+
+    @Override
+    public final PccId getPccId() {
+        return this.pccId;
+    };
+
+    @Override
+    public final String getStringId() {
+        return this.pccId.toString();
+    }
+
+    @Override
+    public final void handleMessage(PcepMessage m) {
+    }
+
+    @Override
+    public boolean isOptical() {
+        return false;
+    }
+
+    @Override
+    public PcepFactory factory() {
+        return PcepFactories.getFactory(pcepVersion);
+    }
+
+    @Override
+    public void setLspDbSyncStatus(PcepSyncStatus syncStatus) {
+        this.lspDbSyncStatus = syncStatus;
+    }
+
+    @Override
+    public PcepSyncStatus lspDbSyncStatus() {
+        return lspDbSyncStatus;
+    }
+
+    @Override
+    public void setLabelDbSyncStatus(PcepSyncStatus syncStatus) {
+        this.labelDbSyncStatus = syncStatus;
+    }
+
+    @Override
+    public PcepSyncStatus labelDbSyncStatus() {
+        return labelDbSyncStatus;
+    }
+
+    @Override
+    public void setCapability(ClientCapability capability) {
+        this.capability = capability;
+    }
+
+    @Override
+    public ClientCapability capability() {
+        return capability;
+    }
+
+    @Override
+    public void addNode(PcepClient pc) {
+    }
+
+    @Override
+    public void deleteNode(PccId pccId) {
+    }
+
+    @Override
+    public void setLspAndDelegationInfo(LspKey lspKey, boolean dFlag) {
+        lspDelegationInfo.put(lspKey, dFlag);
+    }
+
+    @Override
+    public Boolean delegationInfo(LspKey lspKey) {
+        return lspDelegationInfo.get(lspKey);
+    }
+
+    @Override
+    public void initializeSyncMsgList(PccId pccId) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public List<PcepStateReport> getSyncMsgList(PccId pccId) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public void removeSyncMsgList(PccId pccId) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public void addSyncMsgToList(PccId pccId, PcepStateReport rptMsg) {
+        // TODO Auto-generated method stub
+
+    }
+}

+/*
+ * Copyright 2015-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.pcelabelstore.util;
+
+import org.onosproject.store.service.AtomicCounterBuilder;
+import org.onosproject.store.service.AtomicValueBuilder;
+import org.onosproject.store.service.ConsistentMapBuilder;
+import org.onosproject.store.service.ConsistentTreeMapBuilder;
+import org.onosproject.store.service.DistributedSetBuilder;
+import org.onosproject.store.service.EventuallyConsistentMapBuilder;
+import org.onosproject.store.service.LeaderElectorBuilder;
+import org.onosproject.store.service.Serializer;
+import org.onosproject.store.service.StorageService;
+import org.onosproject.store.service.Topic;
+import org.onosproject.store.service.TransactionContextBuilder;
+import org.onosproject.store.service.WorkQueue;
+
+/**
+ * Adapter for the storage service.
+ */
+public class StorageServiceAdapter implements StorageService {
+    @Override
+    public <K, V> EventuallyConsistentMapBuilder<K, V> eventuallyConsistentMapBuilder() {
+        return null;
+    }
+
+    @Override
+    public <K, V> ConsistentMapBuilder<K, V> consistentMapBuilder() {
+        return null;
+    }
+
+    @Override
+    public <E> DistributedSetBuilder<E> setBuilder() {
+        return null;
+    }
+
+    @Override
+    public AtomicCounterBuilder atomicCounterBuilder() {
+        return null;
+    }
+
+    @Override
+    public <V> AtomicValueBuilder<V> atomicValueBuilder() {
+        return null;
+    }
+
+    @Override
+    public TransactionContextBuilder transactionContextBuilder() {
+        return null;
+    }
+
+    @Override
+    public LeaderElectorBuilder leaderElectorBuilder() {
+        return null;
+    }
+
+    @Override
+    public <E> WorkQueue<E> getWorkQueue(String name, Serializer serializer) {
+        return null;
+    }
+
+    @Override
+    public <T> Topic<T> getTopic(String name, Serializer serializer) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public <V> ConsistentTreeMapBuilder<V> consistentTreeMapBuilder() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+}

+/*
+ * Copyright 2015-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.pcelabelstore.util;
+
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.atomic.AtomicLong;
+
+import org.onosproject.store.service.AsyncAtomicCounter;
+import org.onosproject.store.service.AtomicCounterBuilder;
+
+/**
+ * Test implementation of atomic counter.
+ */
+public final class TestAtomicCounter implements AsyncAtomicCounter {
+    final AtomicLong value;
+
+    @Override
+    public String name() {
+        return null;
+    }
+
+    private TestAtomicCounter() {
+        value = new AtomicLong();
+    }
+
+    @Override
+    public CompletableFuture<Long> incrementAndGet() {
+        return CompletableFuture.completedFuture(value.incrementAndGet());
+    }
+
+    @Override
+    public CompletableFuture<Long> getAndIncrement() {
+        return CompletableFuture.completedFuture(value.getAndIncrement());
+    }
+
+    @Override
+    public CompletableFuture<Long> getAndAdd(long delta) {
+        return CompletableFuture.completedFuture(value.getAndAdd(delta));
+    }
+
+    @Override
+    public CompletableFuture<Long> addAndGet(long delta) {
+        return CompletableFuture.completedFuture(value.addAndGet(delta));
+    }
+
+    @Override
+    public CompletableFuture<Void> set(long value) {
+        this.value.set(value);
+        return CompletableFuture.completedFuture(null);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> compareAndSet(long expectedValue, long updateValue) {
+        return CompletableFuture.completedFuture(value.compareAndSet(expectedValue, updateValue));
+    }
+
+    @Override
+    public CompletableFuture<Long> get() {
+        return CompletableFuture.completedFuture(value.get());
+    }
+
+    public static AtomicCounterBuilder builder() {
+        return new Builder();
+    }
+
+    public static class Builder extends AtomicCounterBuilder {
+        @Override
+        public AsyncAtomicCounter build() {
+            return new TestAtomicCounter();
+        }
+    }
+}

+/*
+ * Copyright 2015-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.pcelabelstore.util;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicLong;
+import java.util.concurrent.atomic.AtomicReference;
+import java.util.function.BiFunction;
+import java.util.function.Function;
+import java.util.function.Predicate;
+import java.util.stream.Collectors;
+
+import org.onosproject.store.primitives.ConsistentMapBackedJavaMap;
+import org.onosproject.store.service.AsyncConsistentMap;
+import org.onosproject.store.service.ConsistentMap;
+import org.onosproject.store.service.ConsistentMapBuilder;
+import org.onosproject.store.service.MapEvent;
+import org.onosproject.store.service.MapEventListener;
+import org.onosproject.store.service.Versioned;
+
+import com.google.common.base.Objects;
+
+/**
+ * Test implementation of the consistent map.
+ */
+public final class TestConsistentMap<K, V> extends ConsistentMapAdapter<K, V> {
+
+    private final List<MapEventListener<K, V>> listeners;
+    private final Map<K, Versioned<V>> map;
+    private final String mapName;
+    private final AtomicLong counter = new AtomicLong(0);
+
+    private TestConsistentMap(String mapName) {
+        map = new HashMap<>();
+        listeners = new LinkedList<>();
+        this.mapName = mapName;
+    }
+
+    private Versioned<V> version(V v) {
+        return new Versioned<>(v, counter.incrementAndGet(), System.currentTimeMillis());
+    }
+
+    /**
+     * Notify all listeners of an event.
+     */
+    private void notifyListeners(String mapName,
+                                 K key, Versioned<V> newvalue, Versioned<V> oldValue) {
+        MapEvent<K, V> event = new MapEvent<>(mapName, key, newvalue, oldValue);
+        listeners.forEach(
+                listener -> listener.event(event)
+        );
+    }
+
+    @Override
+    public int size() {
+        return map.size();
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return map.isEmpty();
+    }
+
+    @Override
+    public boolean containsKey(K key) {
+        return map.containsKey(key);
+    }
+
+    @Override
+    public boolean containsValue(V value) {
+        return map.containsValue(value);
+    }
+
+    @Override
+    public Versioned<V> get(K key) {
+        return map.get(key);
+    }
+
+    @Override
+    public Versioned<V> computeIfAbsent(K key, Function<? super K, ? extends V> mappingFunction) {
+        AtomicBoolean updated = new AtomicBoolean(false);
+        Versioned<V> result = map.compute(key, (k, v) -> {
+            if (v == null) {
+                updated.set(true);
+                return version(mappingFunction.apply(key));
+            }
+            return v;
+        });
+        if (updated.get()) {
+            notifyListeners(mapName, key, result, null);
+        }
+        return result;
+    }
+
+    @Override
+    public Versioned<V> compute(K key, BiFunction<? super K, ? super V, ? extends V> remappingFunction) {
+            AtomicBoolean updated = new AtomicBoolean(false);
+            AtomicReference<Versioned<V>> previousValue = new AtomicReference<>();
+            Versioned<V> result = map.compute(key, (k, v) -> {
+                    updated.set(true);
+                    previousValue.set(v);
+                    return version(remappingFunction.apply(k, Versioned.valueOrNull(v)));
+                });
+            if (updated.get()) {
+                notifyListeners(mapName, key, result, previousValue.get());
+            }
+            return result;
+    }
+
+    @Override
+    public Versioned<V> computeIfPresent(K key, BiFunction<? super K, ? super V, ? extends V> remappingFunction) {
+        AtomicBoolean updated = new AtomicBoolean(false);
+        AtomicReference<Versioned<V>> previousValue = new AtomicReference<>();
+        Versioned<V> result = map.compute(key, (k, v) -> {
+            if (v != null) {
+                updated.set(true);
+                previousValue.set(v);
+                return version(remappingFunction.apply(k, v.value()));
+            }
+            return v;
+        });
+        if (updated.get()) {
+            notifyListeners(mapName, key, result, previousValue.get());
+        }
+        return result;
+    }
+
+    @Override
+    public Versioned<V> computeIf(K key, Predicate<? super V> condition,
+                                  BiFunction<? super K, ? super V, ? extends V> remappingFunction) {
+        AtomicBoolean updated = new AtomicBoolean(false);
+        AtomicReference<Versioned<V>> previousValue = new AtomicReference<>();
+        Versioned<V> result = map.compute(key, (k, v) -> {
+            if (condition.test(Versioned.valueOrNull(v))) {
+                previousValue.set(v);
+                updated.set(true);
+                return version(remappingFunction.apply(k, Versioned.valueOrNull(v)));
+            }
+            return v;
+        });
+        if (updated.get()) {
+            notifyListeners(mapName, key, result, previousValue.get());
+        }
+        return result;
+    }
+
+    @Override
+    public Versioned<V> put(K key, V value) {
+        Versioned<V> newValue = version(value);
+        Versioned<V> previousValue = map.put(key, newValue);
+        notifyListeners(mapName, key, newValue, previousValue);
+        return previousValue;
+    }
+
+    @Override
+    public Versioned<V> putAndGet(K key, V value) {
+        Versioned<V> newValue = version(value);
+        Versioned<V> previousValue = map.put(key, newValue);
+        notifyListeners(mapName, key, newValue, previousValue);
+        return newValue;
+    }
+
+    @Override
+    public Versioned<V> remove(K key) {
+        Versioned<V> result = map.remove(key);
+        notifyListeners(mapName, key, null, result);
+        return result;
+    }
+
+    @Override
+    public void clear() {
+        map.keySet().forEach(this::remove);
+    }
+
+    @Override
+    public Set<K> keySet() {
+        return map.keySet();
+    }
+
+    @Override
+    public Collection<Versioned<V>> values() {
+        return map.values()
+                .stream()
+                .collect(Collectors.toList());
+    }
+
+    @Override
+    public Set<Map.Entry<K, Versioned<V>>> entrySet() {
+        return map.entrySet();
+    }
+
+    @Override
+    public Versioned<V> putIfAbsent(K key, V value) {
+        Versioned<V> newValue = version(value);
+        Versioned<V> result =  map.putIfAbsent(key, newValue);
+        if (result == null) {
+            notifyListeners(mapName, key, newValue, result);
+        }
+        return result;
+    }
+
+    @Override
+    public boolean remove(K key, V value) {
+        Versioned<V> existingValue = map.get(key);
+        if (Objects.equal(Versioned.valueOrNull(existingValue), value)) {
+            map.remove(key);
+            notifyListeners(mapName, key, null, existingValue);
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public boolean remove(K key, long version) {
+        Versioned<V> existingValue = map.get(key);
+        if (existingValue == null) {
+            return false;
+        }
+        if (existingValue.version() == version) {
+            map.remove(key);
+            notifyListeners(mapName, key, null, existingValue);
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public Versioned<V> replace(K key, V value) {
+        Versioned<V> existingValue = map.get(key);
+        if (existingValue == null) {
+            return null;
+        }
+        Versioned<V> newValue = version(value);
+        Versioned<V> result = map.put(key, newValue);
+        notifyListeners(mapName, key, newValue, result);
+        return result;
+    }
+
+    @Override
+    public boolean replace(K key, V oldValue, V newValue) {
+        Versioned<V> existingValue = map.get(key);
+        if (existingValue == null || !existingValue.value().equals(oldValue)) {
+            return false;
+        }
+        Versioned<V> value = version(newValue);
+        Versioned<V> result = map.put(key, value);
+        notifyListeners(mapName, key, value, result);
+        return true;
+    }
+
+    @Override
+    public boolean replace(K key, long oldVersion, V newValue) {
+        Versioned<V> existingValue = map.get(key);
+        if (existingValue == null || existingValue.version() != oldVersion) {
+            return false;
+        }
+        Versioned<V> value = version(newValue);
+        Versioned<V> result = map.put(key, value);
+        notifyListeners(mapName, key, value, result);
+        return true;
+    }
+
+    @Override
+    public void addListener(MapEventListener<K, V> listener) {
+        listeners.add(listener);
+    }
+
+    @Override
+    public void removeListener(MapEventListener<K, V> listener) {
+        listeners.remove(listener);
+    }
+
+    @Override
+    public Map<K, V> asJavaMap() {
+        return new ConsistentMapBackedJavaMap<>(this);
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    public static class Builder<K, V> extends ConsistentMapBuilder<K, V> {
+
+        @Override
+        public ConsistentMap<K, V> build() {
+            return new TestConsistentMap<>(name());
+        }
+
+        @Override
+        public AsyncConsistentMap<K, V> buildAsyncMap() {
+            return null;
+        }
+
+    }
+
+}

+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.pcelabelstore.util;
+
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Sets;
+import org.onosproject.store.primitives.DefaultDistributedSet;
+import org.onosproject.store.service.AsyncDistributedSet;
+import org.onosproject.store.service.DistributedSet;
+import org.onosproject.store.service.DistributedSetBuilder;
+import org.onosproject.store.service.SetEvent;
+import org.onosproject.store.service.SetEventListener;
+
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.CompletableFuture;
+
+/**
+ * Test implementation of the distributed set.
+ */
+public final class TestDistributedSet<E> extends DistributedSetAdapter<E> {
+    private final List<SetEventListener<E>> listeners;
+    private final Set<E> set;
+    private final String setName;
+
+    /**
+     * Public constructor.
+     *
+     * @param setName name to be assigned to this set
+     */
+    public TestDistributedSet(String setName) {
+        set = new HashSet<>();
+        listeners = new LinkedList<>();
+        this.setName = setName;
+    }
+
+    /**
+     * Notify all listeners of a set event.
+     *
+     * @param event the SetEvent
+     */
+    private void notifyListeners(SetEvent<E> event) {
+        listeners.forEach(
+                listener -> listener.event(event)
+        );
+    }
+
+    @Override
+    public CompletableFuture<Void> addListener(SetEventListener<E> listener) {
+        listeners.add(listener);
+        return CompletableFuture.completedFuture(null);
+    }
+
+    @Override
+    public CompletableFuture<Void> removeListener(SetEventListener<E> listener) {
+        listeners.remove(listener);
+        return CompletableFuture.completedFuture(null);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> add(E element) {
+        SetEvent<E> event =
+                new SetEvent<>(setName, SetEvent.Type.ADD, element);
+        notifyListeners(event);
+        return CompletableFuture.completedFuture(set.add(element));
+    }
+
+    @Override
+    public CompletableFuture<Boolean> remove(E element) {
+        SetEvent<E> event =
+                new SetEvent<>(setName, SetEvent.Type.REMOVE, element);
+        notifyListeners(event);
+        return CompletableFuture.completedFuture(set.remove(element));
+    }
+
+    @Override
+    public CompletableFuture<Integer> size() {
+        return CompletableFuture.completedFuture(set.size());
+    }
+
+    @Override
+    public CompletableFuture<Boolean> isEmpty() {
+        return CompletableFuture.completedFuture(set.isEmpty());
+    }
+
+    @Override
+    public CompletableFuture<Void> clear() {
+        removeAll(ImmutableSet.copyOf(set));
+        return CompletableFuture.completedFuture(null);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> contains(E element) {
+        return CompletableFuture.completedFuture(set.contains(element));
+    }
+
+    @Override
+    public CompletableFuture<Boolean> addAll(Collection<? extends E> c) {
+        c.forEach(this::add);
+        return CompletableFuture.completedFuture(true);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> containsAll(Collection<? extends E> c) {
+        return CompletableFuture.completedFuture(set.containsAll(c));
+    }
+
+    @Override
+    public CompletableFuture<Boolean> retainAll(Collection<? extends E> c) {
+        Set notInSet2;
+        notInSet2 = Sets.difference(set, (Set<?>) c);
+        return removeAll(ImmutableSet.copyOf(notInSet2));
+    }
+
+    @Override
+    public CompletableFuture<Boolean> removeAll(Collection<? extends E> c) {
+        c.forEach(this::remove);
+        return CompletableFuture.completedFuture(true);
+    }
+
+    @Override
+    public CompletableFuture<? extends Set<E>> getAsImmutableSet() {
+        return CompletableFuture.completedFuture(ImmutableSet.copyOf(set));
+    }
+
+    @Override
+    public String name() {
+        return this.setName;
+    }
+
+    @Override
+    public DistributedSet<E> asDistributedSet() {
+        return new DefaultDistributedSet<>(this, 0);
+    }
+
+    @Override
+    public DistributedSet<E> asDistributedSet(long timeoutMillis) {
+        return new DefaultDistributedSet<>(this, timeoutMillis);
+    }
+
+    /**
+     * Returns a new Builder instance.
+     *
+     * @return Builder
+     **/
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    /**
+     * Builder constructor that instantiates a TestDistributedSet.
+     *
+     * @param <E>
+     */
+    public static class Builder<E> extends DistributedSetBuilder<E> {
+        @Override
+        public AsyncDistributedSet<E> build() {
+            return new TestDistributedSet(name());
+        }
+    }
+}

+/*
+ * Copyright 2015-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.pcelabelstore.util;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+import java.util.function.BiFunction;
+
+import org.onlab.util.KryoNamespace;
+import org.onosproject.cluster.NodeId;
+import org.onosproject.store.Timestamp;
+import org.onosproject.store.service.EventuallyConsistentMap;
+import org.onosproject.store.service.EventuallyConsistentMapBuilder;
+import org.onosproject.store.service.EventuallyConsistentMapEvent;
+import org.onosproject.store.service.EventuallyConsistentMapListener;
+
+import static org.onosproject.store.service.EventuallyConsistentMapEvent.Type.PUT;
+import static org.onosproject.store.service.EventuallyConsistentMapEvent.Type.REMOVE;
+
+/**
+ * Testing version of an Eventually Consistent Map.
+ */
+
+public final class TestEventuallyConsistentMap<K, V> extends EventuallyConsistentMapAdapter<K, V> {
+
+    private final HashMap<K, V> map;
+    private final String mapName;
+    private final List<EventuallyConsistentMapListener<K, V>> listeners;
+    private final BiFunction<K, V, Collection<NodeId>> peerUpdateFunction;
+
+    private TestEventuallyConsistentMap(String mapName,
+                                        BiFunction<K, V, Collection<NodeId>> peerUpdateFunction) {
+        map = new HashMap<>();
+        listeners = new LinkedList<>();
+        this.mapName = mapName;
+        this.peerUpdateFunction = peerUpdateFunction;
+    }
+
+    /**
+     * Notify all listeners of an event.
+     */
+    private void notifyListeners(EventuallyConsistentMapEvent<K, V> event) {
+        listeners.forEach(
+                listener -> listener.event(event)
+        );
+    }
+
+    @Override
+    public int size() {
+        return map.size();
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return map.isEmpty();
+    }
+
+    @Override
+    public boolean containsKey(K key) {
+        return map.containsKey(key);
+    }
+
+    @Override
+    public boolean containsValue(V value) {
+        return map.containsValue(value);
+    }
+
+    @Override
+    public V get(K key) {
+        return map.get(key);
+    }
+
+    @Override
+    public void put(K key, V value) {
+        map.put(key, value);
+        EventuallyConsistentMapEvent<K, V> addEvent =
+                new EventuallyConsistentMapEvent<>(mapName, PUT, key, value);
+        notifyListeners(addEvent);
+        if (peerUpdateFunction != null) {
+            peerUpdateFunction.apply(key, value);
+        }
+    }
+
+    @Override
+    public V remove(K key) {
+        V result = map.remove(key);
+        if (result != null) {
+            EventuallyConsistentMapEvent<K, V> removeEvent =
+                    new EventuallyConsistentMapEvent<>(mapName, REMOVE,
+                            key, map.get(key));
+            notifyListeners(removeEvent);
+        }
+        return result;
+    }
+
+    @Override
+    public void remove(K key, V value) {
+        boolean removed = map.remove(key, value);
+        if (removed) {
+            EventuallyConsistentMapEvent<K, V> removeEvent =
+                    new EventuallyConsistentMapEvent<>(mapName, REMOVE, key, value);
+            notifyListeners(removeEvent);
+        }
+    }
+
+    @Override
+    public V compute(K key, BiFunction<K, V, V> recomputeFunction) {
+        return map.compute(key, recomputeFunction);
+    }
+
+    @Override
+    public void putAll(Map<? extends K, ? extends V> m) {
+        map.putAll(m);
+    }
+
+    @Override
+    public void clear() {
+        map.clear();
+    }
+
+    @Override
+    public Set<K> keySet() {
+        return map.keySet();
+    }
+
+    @Override
+    public Collection<V> values() {
+        return map.values();
+    }
+
+    @Override
+    public Set<Map.Entry<K, V>> entrySet() {
+        return map.entrySet();
+    }
+
+    public static <K, V> Builder<K, V> builder() {
+        return new Builder<>();
+    }
+
+    @Override
+    public void addListener(EventuallyConsistentMapListener<K, V> listener) {
+        listeners.add(listener);
+    }
+
+    @Override
+    public void removeListener(EventuallyConsistentMapListener<K, V> listener) {
+        listeners.remove(listener);
+    }
+
+    public static class Builder<K, V> implements EventuallyConsistentMapBuilder<K, V> {
+        private String name;
+        private BiFunction<K, V, Collection<NodeId>> peerUpdateFunction;
+
+        @Override
+        public EventuallyConsistentMapBuilder<K, V> withName(String name) {
+            this.name = name;
+            return this;
+        }
+
+        @Override
+        public EventuallyConsistentMapBuilder<K, V> withSerializer(KryoNamespace.Builder serializerBuilder) {
+            return this;
+        }
+
+        @Override
+        public EventuallyConsistentMapBuilder<K, V> withSerializer(KryoNamespace serializer) {
+            return this;
+        }
+
+        @Override
+        public EventuallyConsistentMapBuilder<K, V>
+        withTimestampProvider(BiFunction<K, V, Timestamp> timestampProvider) {
+            return this;
+        }
+
+        @Override
+        public EventuallyConsistentMapBuilder<K, V> withEventExecutor(ExecutorService executor) {
+            return this;
+        }
+
+        @Override
+        public EventuallyConsistentMapBuilder<K, V> withCommunicationExecutor(ExecutorService executor) {
+            return this;
+        }
+
+        @Override
+        public EventuallyConsistentMapBuilder<K, V> withBackgroundExecutor(ScheduledExecutorService executor) {
+            return this;
+        }
+
+        @Override
+        public EventuallyConsistentMapBuilder<K, V>
+        withPeerUpdateFunction(BiFunction<K, V, Collection<NodeId>> peerUpdateFunction) {
+            this.peerUpdateFunction = peerUpdateFunction;
+            return this;
+        }
+
+        @Override
+        public EventuallyConsistentMapBuilder<K, V> withTombstonesDisabled() {
+            return this;
+        }
+
+        @Override
+        public EventuallyConsistentMapBuilder<K, V> withAntiEntropyPeriod(long period, TimeUnit unit) {
+            return this;
+        }
+
+        @Override
+        public EventuallyConsistentMapBuilder<K, V> withFasterConvergence() {
+            return this;
+        }
+
+        @Override
+        public EventuallyConsistentMapBuilder<K, V> withPersistence() {
+            return this;
+        }
+
+        @Override
+        public EventuallyConsistentMap<K, V> build() {
+            if (name == null) {
+                name = "test";
+            }
+            return new TestEventuallyConsistentMap<>(name, peerUpdateFunction);
+        }
+    }
+
+}
+

 /*
 /*
- * Copyright 2016-present Open Networking Laboratory
+ * Copyright 2015-present Open Networking Laboratory
  *
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * you may not use this file except in compliance with the License.
@@ -13,58 +13,45 @@
  * See the License for the specific language governing permissions and
  * See the License for the specific language governing permissions and
  * limitations under the License.
  * limitations under the License.
  */
  */
-package org.onosproject.pce.util;
+package org.onosproject.pcelabelstore.util;
 
 
-import java.util.List;
-import com.google.common.collect.ImmutableList;
-import org.onosproject.net.DeviceId;
-import org.onosproject.net.flowobjective.FilteringObjective;
-import org.onosproject.net.flowobjective.FlowObjectiveService;
-import org.onosproject.net.flowobjective.ForwardingObjective;
-import org.onosproject.net.flowobjective.NextObjective;
+import org.onosproject.store.service.AtomicCounterBuilder;
+import org.onosproject.store.service.AtomicValueBuilder;
+import org.onosproject.store.service.ConsistentMapBuilder;
+import org.onosproject.store.service.DistributedSetBuilder;
+import org.onosproject.store.service.EventuallyConsistentMapBuilder;
+import org.onosproject.store.service.TransactionContextBuilder;
 
 
-/**
- * Test implementation of FlowObjectiveService.
- */
-public class FlowObjServiceAdapter implements FlowObjectiveService {
-
-    private ForwardingObjective forwardingObjective;
-    @Override
-    public void filter(DeviceId deviceId, FilteringObjective filteringObjective) {
+public class TestStorageService extends StorageServiceAdapter {
 
 
-    }
 
 
     @Override
     @Override
-    public void forward(DeviceId deviceId, ForwardingObjective forwardingObjective) {
-        this.forwardingObjective = forwardingObjective;
+    public <K, V> EventuallyConsistentMapBuilder<K, V> eventuallyConsistentMapBuilder() {
+        return TestEventuallyConsistentMap.builder();
     }
     }
 
 
     @Override
     @Override
-    public void next(DeviceId deviceId, NextObjective nextObjective) {
-
+    public <K, V> ConsistentMapBuilder<K, V> consistentMapBuilder() {
+        return TestConsistentMap.builder();
     }
     }
 
 
     @Override
     @Override
-    public int allocateNextId() {
-        return 0;
+    public <E> DistributedSetBuilder<E> setBuilder() {
+        return TestDistributedSet.builder();
     }
     }
 
 
     @Override
     @Override
-    public void initPolicy(String policy) {
-
-    }
-
-    public ForwardingObjective forwardingObjective() {
-        return forwardingObjective;
+    public AtomicCounterBuilder atomicCounterBuilder() {
+        return TestAtomicCounter.builder();
     }
     }
 
 
     @Override
     @Override
-    public List<String> getNextMappings() {
-        return ImmutableList.of();
+    public <V> AtomicValueBuilder<V> atomicValueBuilder() {
+        throw new UnsupportedOperationException("atomicValueBuilder");
     }
     }
 
 
     @Override
     @Override
-    public List<String> getPendingNexts() {
-        return ImmutableList.of();
+    public TransactionContextBuilder transactionContextBuilder() {
+        throw new UnsupportedOperationException("transactionContextBuilder");
     }
     }
 }
 }

@@ -366,7 +366,6 @@ public class PcepLspObjectVer1 implements PcepLspObject {
             default:
             default:
                 // Skip the unknown TLV.
                 // Skip the unknown TLV.
                 cb.skipBytes(hLength);
                 cb.skipBytes(hLength);
-                tlv = null;
                 log.info("Received unsupported TLV type :" + hType + " in LSP object.");
                 log.info("Received unsupported TLV type :" + hType + " in LSP object.");
             }
             }
             // Check for the padding
             // Check for the padding

@@ -22,6 +22,15 @@
     <artifact>mvn:${project.groupId}/onos-bgpio/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-bgpio/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-bgp-api/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-bgp-api/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-bgp-ctl/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-bgp-ctl/${project.version}</artifact>
+    <artifact>mvn:${project.groupId}/onos-pcep-controller-api/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-bgp-provider-topology/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-bgp-provider-topology/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-bgp-provider-cfg/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-bgp-provider-cfg/${project.version}</artifact>
+    <artifact>mvn:${project.groupId}/onos-pcepio/${project.version}</artifact>
+    <artifact>mvn:${project.groupId}/onos-app-pcep-api/${project.version}</artifact>
+    <artifact>mvn:${project.groupId}/onos-pcep-controller-impl/${project.version}</artifact>
+    <artifact>mvn:${project.groupId}/onos-pcep-provider-topology/${project.version}</artifact>
+    <artifact>mvn:${project.groupId}/onos-pcep-provider-tunnel/${project.version}</artifact>
+    <artifact>mvn:${project.groupId}/onos-app-pce/${project.version}</artifact>
+    <artifact>mvn:${project.groupId}/onos-app-pceweb/${project.version}</artifact>
+    <artifact>mvn:${project.groupId}/onos-app-pcerest/${project.version}</artifact>
 </app>
 </app>

@@ -21,7 +21,16 @@
         <bundle>mvn:${project.groupId}/onos-bgpio/${project.version}</bundle>
         <bundle>mvn:${project.groupId}/onos-bgpio/${project.version}</bundle>
         <bundle>mvn:${project.groupId}/onos-bgp-api/${project.version}</bundle>
         <bundle>mvn:${project.groupId}/onos-bgp-api/${project.version}</bundle>
         <bundle>mvn:${project.groupId}/onos-bgp-ctl/${project.version}</bundle>
         <bundle>mvn:${project.groupId}/onos-bgp-ctl/${project.version}</bundle>
+        <bundle>mvn:${project.groupId}/onos-pcep-controller-api/${project.version}</bundle>
         <bundle>mvn:${project.groupId}/onos-bgp-provider-topology/${project.version}</bundle>
         <bundle>mvn:${project.groupId}/onos-bgp-provider-topology/${project.version}</bundle>
         <bundle>mvn:${project.groupId}/onos-bgp-provider-cfg/${project.version}</bundle>
         <bundle>mvn:${project.groupId}/onos-bgp-provider-cfg/${project.version}</bundle>
+        <bundle>mvn:${project.groupId}/onos-pcepio/${project.version}</bundle>
+        <bundle>mvn:${project.groupId}/onos-app-pcep-api/${project.version}</bundle>
+        <bundle>mvn:${project.groupId}/onos-pcep-controller-impl/${project.version}</bundle>
+        <bundle>mvn:${project.groupId}/onos-pcep-provider-topology/${project.version}</bundle>
+        <bundle>mvn:${project.groupId}/onos-pcep-provider-tunnel/${project.version}</bundle>
+        <bundle>mvn:${project.groupId}/onos-app-pce/${project.version}</bundle>
+        <bundle>mvn:${project.groupId}/onos-app-pceweb/${project.version}</bundle>
+        <bundle>mvn:${project.groupId}/onos-app-pcerest/${project.version}</bundle>
     </feature>
     </feature>
 </features>
 </features>

@@ -46,5 +46,20 @@
             <artifactId>onos-bgp-provider-topology</artifactId>
             <artifactId>onos-bgp-provider-topology</artifactId>
             <version>${project.version}</version>
             <version>${project.version}</version>
         </dependency>
         </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-app-pce</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-app-pceweb</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-app-pcerest</artifactId>
+            <version>${project.version}</version>
+        </dependency>
     </dependencies>
     </dependencies>
 </project>
 </project>

@@ -10,7 +10,6 @@ BUNDLES = [
   '//protocols/pcep/ctl:onos-protocols-pcep-ctl',
   '//protocols/pcep/ctl:onos-protocols-pcep-ctl',
   '//providers/pcep/topology:onos-providers-pcep-topology',
   '//providers/pcep/topology:onos-providers-pcep-topology',
   '//providers/pcep/tunnel:onos-providers-pcep-tunnel',
   '//providers/pcep/tunnel:onos-providers-pcep-tunnel',
-  '//providers/pcep/packet:onos-providers-pcep-packet',
   '//providers/bgpcep/flow:onos-providers-bgpcep-flow',
   '//providers/bgpcep/flow:onos-providers-bgpcep-flow',
   '//apps/pce/app:onos-apps-pce-app',
   '//apps/pce/app:onos-apps-pce-app',
   '//apps/pce/pceweb:onos-apps-pce-pceweb',
   '//apps/pce/pceweb:onos-apps-pce-pceweb',

@@ -30,7 +30,6 @@
     <artifact>mvn:${project.groupId}/onos-pcep-controller-impl/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-pcep-controller-impl/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-pcep-provider-topology/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-pcep-provider-topology/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-pcep-provider-tunnel/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-pcep-provider-tunnel/${project.version}</artifact>
-    <artifact>mvn:${project.groupId}/onos-pcep-provider-packet/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-bgpcep-provider-flow/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-bgpcep-provider-flow/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-app-pce/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-app-pce/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-app-pceweb/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-app-pceweb/${project.version}</artifact>

@@ -31,7 +31,6 @@
         <bundle>mvn:${project.groupId}/onos-pcep-provider-tunnel/${project.version}</bundle>
         <bundle>mvn:${project.groupId}/onos-pcep-provider-tunnel/${project.version}</bundle>
         <bundle>mvn:${project.groupId}/onos-app-pce/${project.version}</bundle>
         <bundle>mvn:${project.groupId}/onos-app-pce/${project.version}</bundle>
         <bundle>mvn:${project.groupId}/onos-app-pceweb/${project.version}</bundle>
         <bundle>mvn:${project.groupId}/onos-app-pceweb/${project.version}</bundle>
-        <bundle>mvn:${project.groupId}/onos-pcep-provider-packet/${project.version}</bundle>
         <bundle>mvn:${project.groupId}/onos-bgpcep-provider-flow/${project.version}</bundle>
         <bundle>mvn:${project.groupId}/onos-bgpcep-provider-flow/${project.version}</bundle>
         <bundle>mvn:${project.groupId}/onos-app-pcerest/${project.version}</bundle>
         <bundle>mvn:${project.groupId}/onos-app-pcerest/${project.version}</bundle>
     </feature>
     </feature>

@@ -15,95 +15,22 @@
  */
  */
 package org.onosproject.provider.bgpcep.flow.impl;
 package org.onosproject.provider.bgpcep.flow.impl;
 
 
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.LinkedList;
-import java.util.List;
-
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
 import org.apache.felix.scr.annotations.Component;
 import org.apache.felix.scr.annotations.Deactivate;
 import org.apache.felix.scr.annotations.Deactivate;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.ReferenceCardinality;
 import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.onlab.packet.Ip4Address;
-import org.onlab.packet.IpAddress;
-import org.onlab.packet.IpPrefix;
-import org.onlab.packet.MplsLabel;
-import org.onosproject.bgp.controller.BgpController;
 import org.onosproject.core.ApplicationId;
 import org.onosproject.core.ApplicationId;
-import org.onosproject.incubator.net.resource.label.LabelResourceId;
-import org.onosproject.incubator.net.tunnel.IpTunnelEndPoint;
-import org.onosproject.incubator.net.tunnel.Tunnel;
-import org.onosproject.incubator.net.tunnel.TunnelId;
-import org.onosproject.incubator.net.tunnel.TunnelService;
-import org.onosproject.net.ConnectPoint;
-import org.onosproject.net.Device;
-import org.onosproject.net.DeviceId;
-import org.onosproject.net.Link;
-import org.onosproject.net.Path;
-import org.onosproject.net.PortNumber;
-import org.onosproject.net.device.DeviceService;
-import org.onosproject.net.flow.CompletedBatchOperation;
-import org.onosproject.net.flow.DefaultFlowEntry;
-import org.onosproject.net.flow.FlowEntry;
 import org.onosproject.net.flow.FlowRule;
 import org.onosproject.net.flow.FlowRule;
-import org.onosproject.net.flow.FlowRuleBatchEntry;
 import org.onosproject.net.flow.FlowRuleBatchOperation;
 import org.onosproject.net.flow.FlowRuleBatchOperation;
 import org.onosproject.net.flow.FlowRuleProvider;
 import org.onosproject.net.flow.FlowRuleProvider;
 import org.onosproject.net.flow.FlowRuleProviderRegistry;
 import org.onosproject.net.flow.FlowRuleProviderRegistry;
 import org.onosproject.net.flow.FlowRuleProviderService;
 import org.onosproject.net.flow.FlowRuleProviderService;
-import org.onosproject.net.flow.TrafficSelector;
-import org.onosproject.net.flow.FlowEntry.FlowEntryState;
-import org.onosproject.net.flow.criteria.Criterion;
-import org.onosproject.net.flow.criteria.IPCriterion;
-import org.onosproject.net.flow.criteria.MetadataCriterion;
-import org.onosproject.net.flow.criteria.MplsBosCriterion;
-import org.onosproject.net.flow.criteria.MplsCriterion;
-import org.onosproject.net.flow.criteria.PortCriterion;
-import org.onosproject.net.flow.criteria.TunnelIdCriterion;
 import org.onosproject.net.provider.AbstractProvider;
 import org.onosproject.net.provider.AbstractProvider;
 import org.onosproject.net.provider.ProviderId;
 import org.onosproject.net.provider.ProviderId;
-import org.onosproject.net.resource.ResourceService;
-import org.onosproject.pcep.controller.PccId;
-import org.onosproject.pcep.controller.PcepClient;
-import org.onosproject.pcep.controller.PcepClientController;
-import org.onosproject.pcepio.exceptions.PcepParseException;
-import org.onosproject.pcepio.protocol.PcepEroObject;
-import org.onosproject.pcepio.protocol.PcepFecObjectIPv4;
-import org.onosproject.pcepio.protocol.PcepFecObjectIPv4Adjacency;
-import org.onosproject.pcepio.protocol.PcepLabelObject;
-import org.onosproject.pcepio.protocol.PcepLabelUpdate;
-import org.onosproject.pcepio.protocol.PcepLabelUpdateMsg;
-import org.onosproject.pcepio.protocol.PcepLspObject;
-import org.onosproject.pcepio.protocol.PcepMsgPath;
-import org.onosproject.pcepio.protocol.PcepSrpObject;
-import org.onosproject.pcepio.protocol.PcepUpdateMsg;
-import org.onosproject.pcepio.protocol.PcepUpdateRequest;
-import org.onosproject.pcepio.types.IPv4SubObject;
-import org.onosproject.pcepio.types.NexthopIPv4addressTlv;
-import org.onosproject.pcepio.types.PathSetupTypeTlv;
-import org.onosproject.pcepio.types.PcepLabelDownload;
-import org.onosproject.pcepio.types.PcepLabelMap;
-import org.onosproject.pcepio.types.PcepValueType;
-import org.onosproject.pcepio.types.StatefulIPv4LspIdentifiersTlv;
-import org.onosproject.pcepio.types.SymbolicPathNameTlv;
-import org.onosproject.pcep.controller.LspType;
-import org.onosproject.pcepio.protocol.PcepAttribute;
-import org.onosproject.pcepio.protocol.PcepBandwidthObject;
-import org.onosproject.pcep.controller.SrpIdGenerators;
-import org.onosproject.pcep.controller.PcepAnnotationKeys;
 import org.osgi.service.component.ComponentContext;
 import org.osgi.service.component.ComponentContext;
 import org.slf4j.Logger;
 import org.slf4j.Logger;
 
 
-import static org.onosproject.pcep.controller.PcepAnnotationKeys.BANDWIDTH;
-import static org.onosproject.pcep.controller.PcepAnnotationKeys.DELEGATE;
-import static org.onosproject.pcep.controller.PcepAnnotationKeys.LSP_SIG_TYPE;
-import static org.onosproject.pcep.controller.PcepAnnotationKeys.PCE_INIT;
-import static org.onosproject.pcep.controller.PcepSyncStatus.IN_SYNC;
-import static org.onosproject.pcep.controller.PcepSyncStatus.SYNCED;
-import static org.onosproject.net.flow.criteria.Criterion.Type.EXTENSION;
-import static com.google.common.base.Preconditions.checkNotNull;
 import static org.slf4j.LoggerFactory.getLogger;
 import static org.slf4j.LoggerFactory.getLogger;
 
 
 /**
 /**
@@ -118,34 +45,7 @@ public class BgpcepFlowRuleProvider extends AbstractProvider
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected FlowRuleProviderRegistry providerRegistry;
     protected FlowRuleProviderRegistry providerRegistry;
 
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected BgpController bgpController;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected PcepClientController pcepController;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected ResourceService resourceService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected TunnelService tunnelService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected DeviceService deviceService;
-
     private FlowRuleProviderService providerService;
     private FlowRuleProviderService providerService;
-    private PcepLabelObject labelObj;
-    public static final int OUT_LABEL_TYPE = 0;
-    public static final int IN_LABEL_TYPE = 1;
-    public static final long IDENTIFIER_SET = 0x100000000L;
-    public static final long SET = 0xFFFFFFFFL;
-    private static final String LSRID = "lsrId";
-
-    private enum PcepFlowType {
-        ADD,
-        MODIFY,
-        REMOVE
-    }
 
 
     /**
     /**
      * Creates a BgpFlow host provider.
      * Creates a BgpFlow host provider.
@@ -169,469 +69,25 @@ public class BgpcepFlowRuleProvider extends AbstractProvider
 
 
     @Override
     @Override
     public void applyFlowRule(FlowRule... flowRules) {
     public void applyFlowRule(FlowRule... flowRules) {
-        for (FlowRule flowRule : flowRules) {
-            processRule(flowRule, PcepFlowType.ADD);
-        }
+        // TODO Auto-generated method stub
+
     }
     }
 
 
     @Override
     @Override
     public void removeFlowRule(FlowRule... flowRules) {
     public void removeFlowRule(FlowRule... flowRules) {
-        for (FlowRule flowRule : flowRules) {
-            processRule(flowRule, PcepFlowType.REMOVE);
-        }
-    }
+        // TODO Auto-generated method stub
 
 
-    private void processRule(FlowRule flowRule, PcepFlowType type) {
-        MplsLabel mplsLabel = null;
-        IpPrefix ip4PrefixSrc = null;
-        IpPrefix ip4PrefixDst = null;
-        PortNumber port = null;
-        TunnelId tunnelId = null;
-        long labelType = 0;
-        boolean bottomOfStack = false;
-
-        TrafficSelector selector = flowRule.selector();
-        for (Criterion c : selector.criteria()) {
-            switch (c.type()) {
-            case MPLS_LABEL:
-                MplsCriterion lc = (MplsCriterion) c;
-                mplsLabel = lc.label();
-                break;
-            case IPV4_SRC:
-                IPCriterion ipCriterion = (IPCriterion) c;
-                ip4PrefixSrc = ipCriterion.ip().getIp4Prefix();
-                break;
-            case IPV4_DST:
-                ipCriterion = (IPCriterion) c;
-                ip4PrefixDst = ipCriterion.ip().getIp4Prefix();
-                break;
-            case IN_PORT:
-                PortCriterion inPort = (PortCriterion) c;
-                port = inPort.port();
-                break;
-            case TUNNEL_ID:
-                TunnelIdCriterion tc = (TunnelIdCriterion) c;
-                tunnelId = TunnelId.valueOf(String.valueOf(tc.tunnelId()));
-                break;
-            case METADATA:
-                MetadataCriterion metadata = (MetadataCriterion) c;
-                labelType = metadata.metadata();
-                break;
-            case MPLS_BOS:
-                MplsBosCriterion mplsBos = (MplsBosCriterion) c;
-                bottomOfStack = mplsBos.mplsBos();
-                break;
-            default:
-                break;
-            }
-        }
-
-        checkNotNull(mplsLabel);
-        LabelResourceId label = LabelResourceId.labelResourceId(mplsLabel.toInt());
-
-        try {
-            if (tunnelId != null) {
-                pushLocalLabels(flowRule.deviceId(), label, port, tunnelId, bottomOfStack, labelType, type);
-                return;
-            }
-
-            if (ip4PrefixDst != null) {
-                pushAdjacencyLabel(flowRule.deviceId(), label, ip4PrefixSrc, ip4PrefixDst, type);
-                return;
-            }
-
-            pushGlobalNodeLabel(flowRule.deviceId(), label, ip4PrefixSrc, type, bottomOfStack);
-
-        } catch (PcepParseException e) {
-            log.error("Exception occured while sending label message to PCC {}", e.getMessage());
-        }
-
-    }
-
-    /**
-     * Returns PCEP client.
-     *
-     * @return PCEP client
-     */
-    private PcepClient getPcepClient(DeviceId deviceId) {
-        Device device = deviceService.getDevice(deviceId);
-
-        // In future projections instead of annotations will be used to fetch LSR ID.
-        String lsrId = device.annotations().value(LSRID);
-
-        PcepClient pcc = pcepController.getClient(PccId.pccId(IpAddress.valueOf(lsrId)));
-        return pcc;
-    }
-
-    //Pushes node labels to the specified device.
-    private void pushGlobalNodeLabel(DeviceId deviceId, LabelResourceId labelId,
-            IpPrefix ipPrefix, PcepFlowType type, boolean isBos) throws PcepParseException {
-
-        checkNotNull(deviceId);
-        checkNotNull(labelId);
-        checkNotNull(type);
-
-        PcepClient pc = getPcepClient(deviceId);
-        if (pc == null) {
-            log.error("PCEP client not found");
-            return;
-        }
-
-        LinkedList<PcepLabelUpdate> labelUpdateList = new LinkedList<>();
-
-        if (ipPrefix == null) {
-            // Pushing self node label to device.
-            ipPrefix = IpPrefix.valueOf(pc.getPccId().ipAddress(), 32);
-        }
-
-        PcepFecObjectIPv4 fecObject = pc.factory().buildFecObjectIpv4()
-                                      .setNodeID(ipPrefix.address().getIp4Address().toInt())
-                                      .build();
-
-        boolean bSFlag = false;
-        if (pc.labelDbSyncStatus() == IN_SYNC && !isBos) {
-            // Need to set sync flag in all messages till sync completes.
-            bSFlag = true;
-        }
-
-        PcepSrpObject srpObj = getSrpObject(pc, type, bSFlag);
-
-        //Global NODE-SID as label object
-        PcepLabelObject labelObject = pc.factory().buildLabelObject()
-                                      .setLabel((int) labelId.labelId())
-                                      .build();
-
-        PcepLabelMap labelMap = new PcepLabelMap();
-        labelMap.setFecObject(fecObject);
-        labelMap.setLabelObject(labelObject);
-        labelMap.setSrpObject(srpObj);
-
-        labelUpdateList.add(pc.factory().buildPcepLabelUpdateObject()
-                            .setLabelMap(labelMap)
-                            .build());
-
-        PcepLabelUpdateMsg labelMsg = pc.factory().buildPcepLabelUpdateMsg()
-                                      .setPcLabelUpdateList(labelUpdateList)
-                                      .build();
-
-        pc.sendMessage(labelMsg);
-
-        if (isBos) {
-            // Sync is completed.
-            pc.setLabelDbSyncStatus(SYNCED);
-        }
-    }
-
-    private PcepSrpObject getSrpObject(PcepClient pc, PcepFlowType type, boolean bSFlag)
-            throws PcepParseException {
-        PcepSrpObject srpObj;
-        boolean bRFlag = false;
-
-        if (!type.equals(PcepFlowType.ADD)) {
-            // To cleanup labels, R bit is set
-            bRFlag = true;
-        }
-
-        srpObj = pc.factory().buildSrpObject()
-                .setRFlag(bRFlag)
-                .setSFlag(bSFlag)
-                .setSrpID(SrpIdGenerators.create())
-                .build();
-
-        return srpObj;
-    }
-
-    //Pushes adjacency labels to the specified device.
-    private void pushAdjacencyLabel(DeviceId deviceId, LabelResourceId labelId, IpPrefix ip4PrefixSrc,
-                                    IpPrefix ip4PrefixDst, PcepFlowType type)
-            throws PcepParseException {
-
-        checkNotNull(deviceId);
-        checkNotNull(labelId);
-        checkNotNull(ip4PrefixSrc);
-        checkNotNull(ip4PrefixDst);
-        checkNotNull(type);
-
-        PcepClient pc = getPcepClient(deviceId);
-        if (pc == null) {
-            log.error("PCEP client not found");
-            return;
-        }
-
-        LinkedList<PcepLabelUpdate> labelUpdateList = new LinkedList<>();
-
-        int srcPortNo = ip4PrefixSrc.address().getIp4Address().toInt();
-        int dstPortNo = ip4PrefixDst.address().getIp4Address().toInt();
-
-        PcepFecObjectIPv4Adjacency fecAdjObject = pc.factory().buildFecIpv4Adjacency()
-                                                  .seRemoteIPv4Address(dstPortNo)
-                                                  .seLocalIPv4Address(srcPortNo)
-                                                  .build();
-
-        boolean bSFlag = false;
-        if (pc.labelDbSyncStatus() == IN_SYNC) {
-            // Need to set sync flag in all messages till sync completes.
-            bSFlag = true;
-        }
-
-        PcepSrpObject srpObj = getSrpObject(pc, type, bSFlag);
-
-        //Adjacency label object
-        PcepLabelObject labelObject = pc.factory().buildLabelObject()
-                                      .setLabel((int) labelId.labelId())
-                                      .build();
-
-        PcepLabelMap labelMap = new PcepLabelMap();
-        labelMap.setFecObject(fecAdjObject);
-        labelMap.setLabelObject(labelObject);
-        labelMap.setSrpObject(srpObj);
-
-        labelUpdateList.add(pc.factory().buildPcepLabelUpdateObject()
-                            .setLabelMap(labelMap)
-                            .build());
-
-        PcepLabelUpdateMsg labelMsg = pc.factory().buildPcepLabelUpdateMsg()
-                                      .setPcLabelUpdateList(labelUpdateList)
-                                      .build();
-
-        pc.sendMessage(labelMsg);
-    }
-
-    //Pushes local labels to the device which is specific to path [CR-case].
-    private void pushLocalLabels(DeviceId deviceId, LabelResourceId labelId,
-            PortNumber portNum, TunnelId tunnelId,
-            Boolean isBos, Long labelType, PcepFlowType type) throws PcepParseException {
-
-        checkNotNull(deviceId);
-        checkNotNull(labelId);
-        checkNotNull(portNum);
-        checkNotNull(tunnelId);
-        checkNotNull(labelType);
-        checkNotNull(type);
-
-        PcepClient pc = getPcepClient(deviceId);
-        if (pc == null) {
-            log.error("PCEP client not found");
-            return;
-        }
-
-        PcepLspObject lspObj;
-        LinkedList<PcepLabelUpdate> labelUpdateList = new LinkedList<>();
-        LinkedList<PcepLabelObject> labelObjects = new LinkedList<>();
-        PcepSrpObject srpObj;
-        PcepLabelDownload labelDownload = new PcepLabelDownload();
-        LinkedList<PcepValueType> optionalTlv = new LinkedList<>();
-
-        long portNo = portNum.toLong();
-        portNo = ((portNo & IDENTIFIER_SET) == IDENTIFIER_SET) ? portNo & SET : portNo;
-
-        optionalTlv.add(NexthopIPv4addressTlv.of((int) portNo));
-
-        Tunnel tunnel = tunnelService.queryTunnel(tunnelId);
-
-        PcepLabelObject labelObj = pc.factory().buildLabelObject()
-                                   .setOFlag(labelType == OUT_LABEL_TYPE)
-                                   .setOptionalTlv(optionalTlv)
-                                   .setLabel((int) labelId.labelId())
-                                   .build();
-
-        /**
-         * Check whether transit node or not. For transit node, label update message should include IN and OUT labels.
-         * Hence store IN label object and next when out label comes add IN and OUT label objects and encode label
-         * update message and send to specified client.
-         */
-        if (!deviceId.equals(tunnel.path().src().deviceId()) && !deviceId.equals(tunnel.path().dst().deviceId())) {
-            //Device is transit node
-            if (labelType == IN_LABEL_TYPE) {
-                //Store label object having IN label value
-                this.labelObj = labelObj;
-                return;
-            }
-            //Add IN label object
-            labelObjects.add(this.labelObj);
-        }
-
-        //Add OUT label object in case of transit node
-        labelObjects.add(labelObj);
-
-        srpObj = getSrpObject(pc, type, false);
-
-        String lspId = tunnel.annotations().value(PcepAnnotationKeys.LOCAL_LSP_ID);
-        String plspId = tunnel.annotations().value(PcepAnnotationKeys.PLSP_ID);
-        String tunnelIdentifier = tunnel.annotations().value(PcepAnnotationKeys.PCC_TUNNEL_ID);
-
-        LinkedList<PcepValueType> tlvs = new LinkedList<>();
-        StatefulIPv4LspIdentifiersTlv lspIdTlv = new StatefulIPv4LspIdentifiersTlv(((IpTunnelEndPoint) tunnel.src())
-                .ip().getIp4Address().toInt(), Short.valueOf(lspId), Short.valueOf(tunnelIdentifier),
-                ((IpTunnelEndPoint) tunnel.src()).ip().getIp4Address().toInt(),
-                ((IpTunnelEndPoint) tunnel.dst()).ip().getIp4Address().toInt());
-        tlvs.add(lspIdTlv);
-
-        if (tunnel.tunnelName().value() != null) {
-            SymbolicPathNameTlv pathNameTlv = new SymbolicPathNameTlv(tunnel.tunnelName().value().getBytes());
-            tlvs.add(pathNameTlv);
-        }
-
-        boolean delegated = (tunnel.annotations().value(DELEGATE) == null) ? false
-                                                                           : Boolean.valueOf(tunnel.annotations()
-                                                                                   .value(DELEGATE));
-        boolean initiated = (tunnel.annotations().value(PCE_INIT) == null) ? false
-                                                                           : Boolean.valueOf(tunnel.annotations()
-                                                                                   .value(PCE_INIT));
-
-        lspObj = pc.factory().buildLspObject()
-                .setRFlag(false)
-                .setAFlag(true)
-                .setDFlag(delegated)
-                .setCFlag(initiated)
-                .setPlspId(Integer.valueOf(plspId))
-                .setOptionalTlv(tlvs)
-                .build();
-
-        labelDownload.setLabelList(labelObjects);
-        labelDownload.setLspObject(lspObj);
-        labelDownload.setSrpObject(srpObj);
-
-        labelUpdateList.add(pc.factory().buildPcepLabelUpdateObject()
-                            .setLabelDownload(labelDownload)
-                            .build());
-
-        PcepLabelUpdateMsg labelMsg = pc.factory().buildPcepLabelUpdateMsg()
-                                      .setPcLabelUpdateList(labelUpdateList)
-                                      .build();
-
-        pc.sendMessage(labelMsg);
-
-        //If isBos is true, label download is done along the LSP, send PCEP update message.
-        if (isBos) {
-            sendPcepUpdateMsg(pc, lspObj, tunnel);
-        }
-    }
-
-    //Sends PCEP update message.
-    private void sendPcepUpdateMsg(PcepClient pc, PcepLspObject lspObj, Tunnel tunnel) throws PcepParseException {
-        LinkedList<PcepUpdateRequest> updateRequestList = new LinkedList<>();
-        LinkedList<PcepValueType> subObjects = createEroSubObj(tunnel.path());
-
-        if (subObjects == null) {
-            log.error("ERO subjects not present");
-            return;
-        }
-
-        // set PathSetupTypeTlv of SRP object
-        LinkedList<PcepValueType> llOptionalTlv = new LinkedList<PcepValueType>();
-        LspType lspSigType = LspType.valueOf(tunnel.annotations().value(LSP_SIG_TYPE));
-        llOptionalTlv.add(new PathSetupTypeTlv(lspSigType.type()));
-
-        PcepSrpObject srpObj = pc.factory().buildSrpObject()
-                               .setRFlag(false)
-                               .setSrpID(SrpIdGenerators.create())
-                               .setOptionalTlv(llOptionalTlv)
-                               .build();
-
-        PcepEroObject eroObj = pc.factory().buildEroObject()
-                              .setSubObjects(subObjects)
-                              .build();
-
-        float  iBandwidth = 0;
-        if (tunnel.annotations().value(BANDWIDTH) != null) {
-            //iBandwidth = Float.floatToIntBits(Float.parseFloat(tunnel.annotations().value(BANDWIDTH)));
-            iBandwidth = Float.parseFloat(tunnel.annotations().value(BANDWIDTH));
-        }
-        // build bandwidth object
-        PcepBandwidthObject bandwidthObject = pc.factory().buildBandwidthObject()
-                                              .setBandwidth(iBandwidth)
-                                              .build();
-        // build pcep attribute
-        PcepAttribute pcepAttribute = pc.factory().buildPcepAttribute()
-                                      .setBandwidthObject(bandwidthObject)
-                                      .build();
-
-        PcepMsgPath msgPath = pc.factory().buildPcepMsgPath()
-                              .setEroObject(eroObj)
-                              .setPcepAttribute(pcepAttribute)
-                              .build();
-
-        PcepUpdateRequest updateReq = pc.factory().buildPcepUpdateRequest()
-                                     .setSrpObject(srpObj)
-                                     .setMsgPath(msgPath)
-                                     .setLspObject(lspObj)
-                                     .build();
-
-        updateRequestList.add(updateReq);
-
-        //TODO: P = 1 is it P flag in PCEP obj header
-        PcepUpdateMsg updateMsg = pc.factory().buildUpdateMsg()
-                                  .setUpdateRequestList(updateRequestList)
-                                  .build();
-
-        pc.sendMessage(updateMsg);
-    }
-
-    private LinkedList<PcepValueType> createEroSubObj(Path path) {
-        LinkedList<PcepValueType> subObjects = new LinkedList<>();
-        List<Link> links = path.links();
-        ConnectPoint source = null;
-        ConnectPoint destination = null;
-        IpAddress ipDstAddress = null;
-        IpAddress ipSrcAddress = null;
-        PcepValueType subObj = null;
-        long portNo;
-
-        for (Link link : links) {
-            source = link.src();
-            if (!(source.equals(destination))) {
-                //set IPv4SubObject for ERO object
-                portNo = source.port().toLong();
-                portNo = ((portNo & IDENTIFIER_SET) == IDENTIFIER_SET) ? portNo & SET : portNo;
-                ipSrcAddress = Ip4Address.valueOf((int) portNo);
-                subObj = new IPv4SubObject(ipSrcAddress.getIp4Address().toInt());
-                subObjects.add(subObj);
-            }
-
-            destination = link.dst();
-            portNo = destination.port().toLong();
-            portNo = ((portNo & IDENTIFIER_SET) == IDENTIFIER_SET) ? portNo & SET : portNo;
-            ipDstAddress = Ip4Address.valueOf((int) portNo);
-            subObj = new IPv4SubObject(ipDstAddress.getIp4Address().toInt());
-            subObjects.add(subObj);
-        }
-        return subObjects;
     }
     }
 
 
     @Override
     @Override
     public void removeRulesById(ApplicationId id, FlowRule... flowRules) {
     public void removeRulesById(ApplicationId id, FlowRule... flowRules) {
-        // TODO
-        removeFlowRule(flowRules);
+        // TODO Auto-generated method stub
+
     }
     }
 
 
     @Override
     @Override
     public void executeBatch(FlowRuleBatchOperation batch) {
     public void executeBatch(FlowRuleBatchOperation batch) {
-        Collection<FlowEntry> flowEntries = new ArrayList<>();
-
-        for (FlowRuleBatchEntry fbe : batch.getOperations()) {
-            Criterion criteria = fbe.target().selector().getCriterion(EXTENSION);
-
-            switch (fbe.operator()) {
-            case ADD:
-                if (criteria == null) {
-                    processRule(fbe.target(), PcepFlowType.ADD);
-                    flowEntries.add(new DefaultFlowEntry(fbe.target(), FlowEntryState.ADDED, 0, 0, 0));
-                }
-                break;
-            case REMOVE:
-                if (criteria == null) {
-                    processRule(fbe.target(), PcepFlowType.REMOVE);
-                    flowEntries.add(new DefaultFlowEntry(fbe.target(), FlowEntryState.REMOVED, 0, 0, 0));
-                }
-                break;
-            default:
-                log.error("Unknown flow operation: {}", fbe);
-            }
-        }
+        // TODO Auto-generated method stub
 
 
-        CompletedBatchOperation status = new CompletedBatchOperation(true, Collections.emptySet(), batch.deviceId());
-        providerService.batchOperationCompleted(batch.id(), status);
-        providerService.pushFlowMetrics(batch.deviceId(), flowEntries);
     }
     }
 }
 }

@@ -5,7 +5,6 @@ BUNDLES = [
     '//protocols/pcep/pcepio:onos-protocols-pcep-pcepio',
     '//protocols/pcep/pcepio:onos-protocols-pcep-pcepio',
     '//protocols/pcep/ctl:onos-protocols-pcep-ctl',
     '//protocols/pcep/ctl:onos-protocols-pcep-ctl',
     '//apps/pcep-api:onos-apps-pcep-api',
     '//apps/pcep-api:onos-apps-pcep-api',
-    '//providers/pcep/packet:onos-providers-pcep-packet',
 ]
 ]
 
 
 onos_app (
 onos_app (

-COMPILE_DEPS = [
-    '//lib:CORE_DEPS',
-    '//protocols/pcep/api:onos-protocols-pcep-api',
-]
-
-osgi_jar_with_tests (
-    deps = COMPILE_DEPS,
-)

-<!--
-  ~ Copyright 2016-present Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-    <parent>
-        <groupId>org.onosproject</groupId>
-        <artifactId>onos-pcep-providers</artifactId>
-        <version>1.7.0-SNAPSHOT</version>
-    </parent>
-    <artifactId>onos-pcep-provider-packet</artifactId>
-    <packaging>bundle</packaging>
-    <description>PCEP packet provider</description>
-    <dependencies>
-        <dependency>
-            <groupId>org.onosproject</groupId>
-            <artifactId>onos-pcep-controller-api</artifactId>
-        </dependency>
-    </dependencies>
-</project>

-package org.onosproject.provider.pcep.packet.impl;
-
-import static org.slf4j.LoggerFactory.getLogger;
-
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.apache.felix.scr.annotations.Service;
-import org.onlab.packet.Ethernet;
-import org.onlab.packet.IPv4;
-import org.onlab.packet.MacAddress;
-import org.onlab.packet.TCP;
-import org.onosproject.net.ConnectPoint;
-import org.onosproject.net.DeviceId;
-import org.onosproject.net.PortNumber;
-import org.onosproject.net.device.DeviceService;
-import org.onosproject.net.packet.DefaultInboundPacket;
-import org.onosproject.net.packet.DefaultPacketContext;
-import org.onosproject.net.packet.InboundPacket;
-import org.onosproject.net.packet.OutboundPacket;
-import org.onosproject.net.packet.PacketProvider;
-import org.onosproject.net.packet.PacketProviderRegistry;
-import org.onosproject.net.packet.PacketProviderService;
-import org.onosproject.net.provider.AbstractProvider;
-import org.onosproject.net.provider.ProviderId;
-import org.onosproject.pcep.controller.PccId;
-import org.onosproject.pcep.controller.PcepClientController;
-import org.onosproject.pcep.controller.PcepPacketListener;
-import org.slf4j.Logger;
-
-/**
- * Provider which uses an PCEP controller to process packets.
- */
-@Component(immediate = true)
-@Service
-public class PcepPacketProvider extends AbstractProvider implements PacketProvider {
-
-    private static final Logger log = getLogger(PcepPacketProvider.class);
-    static final String PROVIDER_ID = "org.onosproject.provider.packet.pcep";
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected PacketProviderRegistry packetProviderRegistry;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected PcepClientController pcepClientController;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected DeviceService deviceService;
-
-    PacketProviderService packetProviderService;
-
-    private InnerPacketProvider listener = new InnerPacketProvider();
-    public static final String LSRID = "lsrId";
-    public static final int PCEP_PORT = 4189;
-
-    /**
-     * Creates a Packet provider.
-     */
-    public PcepPacketProvider() {
-        super(new ProviderId("pcep", PROVIDER_ID));
-    }
-
-    @Activate
-    public void activate() {
-        packetProviderService = packetProviderRegistry.register(this);
-        pcepClientController.addPacketListener(listener);
-        log.info("Started");
-    }
-
-    @Deactivate
-    public void deactivate() {
-        packetProviderRegistry.unregister(this);
-        pcepClientController.removePacketListener(listener);
-        log.info("Stopped");
-    }
-
-    private class InnerPacketProvider implements PcepPacketListener {
-        @Override
-        public void sendPacketIn(PccId pccId) {
-            TCP tcp = new TCP();
-            // Set the well known PCEP port. To be used to decide to process/discard the packet while processing.
-            tcp.setDestinationPort(PCEP_PORT);
-
-            IPv4 ipv4 = new IPv4();
-            ipv4.setProtocol(IPv4.PROTOCOL_TCP);
-            ipv4.setPayload(tcp);
-
-            Ethernet eth = new Ethernet();
-            eth.setEtherType(Ethernet.TYPE_IPV4);
-            eth.setDestinationMACAddress(MacAddress.NONE);
-            eth.setPayload(ipv4);
-
-            // Get lsrId of the PCEP client from the PCC ID. Session info is based on lsrID.
-            String lsrId = String.valueOf(pccId.ipAddress());
-            DeviceId pccDeviceId = DeviceId.deviceId(lsrId);
-
-            InboundPacket inPkt = new DefaultInboundPacket(new ConnectPoint(pccDeviceId,
-                                                                            PortNumber.portNumber(PCEP_PORT)),
-                                                           eth, null);
-
-            packetProviderService.processPacket(new PcepPacketContext(inPkt, null));
-        }
-    }
-
-    // Minimal PacketContext to make core and applications happy.
-    private final class PcepPacketContext extends DefaultPacketContext {
-        private PcepPacketContext(InboundPacket inPkt, OutboundPacket outPkt) {
-            super(System.currentTimeMillis(), inPkt, outPkt, false);
-        }
-
-        @Override
-        public void send() {
-            // We don't send anything out.
-        }
-    }
-
-    @Override
-    public void emit(OutboundPacket packet) {
-        // Nothing to emit
-    }
-}

@@ -27,6 +27,5 @@
         <module>topology</module>
         <module>topology</module>
         <module>tunnel</module>
         <module>tunnel</module>
         <module>app</module>
         <module>app</module>
-        <module>packet</module>
   </modules>
   </modules>
 </project>
 </project>
\ No newline at end of file

 COMPILE_DEPS = [
 COMPILE_DEPS = [
     '//lib:CORE_DEPS',
     '//lib:CORE_DEPS',
+    '//incubator/api:onos-incubator-api',
     '//protocols/ovsdb/api:onos-protocols-ovsdb-api',
     '//protocols/ovsdb/api:onos-protocols-ovsdb-api',
     '//protocols/ovsdb/rfc:onos-protocols-ovsdb-rfc',
     '//protocols/ovsdb/rfc:onos-protocols-ovsdb-rfc',
     '//apps/pcep-api:onos-apps-pcep-api',
     '//apps/pcep-api:onos-apps-pcep-api',

@@ -25,6 +25,10 @@ import java.util.concurrent.ConcurrentHashMap;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Deactivate;
 import org.apache.felix.scr.annotations.Deactivate;
 import org.onlab.packet.IpAddress;
 import org.onlab.packet.IpAddress;
+import org.onosproject.incubator.net.tunnel.DefaultLabelStack;
+import org.onosproject.incubator.net.tunnel.LabelStack;
+import org.onosproject.incubator.net.tunnel.Tunnel;
+import org.onosproject.net.Path;
 import org.onosproject.pcep.controller.ClientCapability;
 import org.onosproject.pcep.controller.ClientCapability;
 import org.onosproject.pcep.controller.PccId;
 import org.onosproject.pcep.controller.PccId;
 import org.onosproject.pcep.controller.PcepClient;
 import org.onosproject.pcep.controller.PcepClient;
@@ -32,7 +36,6 @@ import org.onosproject.pcep.controller.PcepClientController;
 import org.onosproject.pcep.controller.PcepClientListener;
 import org.onosproject.pcep.controller.PcepClientListener;
 import org.onosproject.pcep.controller.PcepEventListener;
 import org.onosproject.pcep.controller.PcepEventListener;
 import org.onosproject.pcep.controller.PcepNodeListener;
 import org.onosproject.pcep.controller.PcepNodeListener;
-import org.onosproject.pcep.controller.PcepPacketListener;
 import org.onosproject.pcep.controller.driver.PcepAgent;
 import org.onosproject.pcep.controller.driver.PcepAgent;
 import org.onosproject.pcepio.protocol.PcepError;
 import org.onosproject.pcepio.protocol.PcepError;
 import org.onosproject.pcepio.protocol.PcepErrorInfo;
 import org.onosproject.pcepio.protocol.PcepErrorInfo;
@@ -41,6 +44,7 @@ import org.onosproject.pcepio.protocol.PcepErrorObject;
 import org.onosproject.pcepio.protocol.PcepFactory;
 import org.onosproject.pcepio.protocol.PcepFactory;
 import org.onosproject.pcepio.protocol.PcepMessage;
 import org.onosproject.pcepio.protocol.PcepMessage;
 import org.onosproject.pcepio.protocol.PcepVersion;
 import org.onosproject.pcepio.protocol.PcepVersion;
+import org.onosproject.pcepio.types.PcepValueType;
 
 
 import com.google.common.collect.Sets;
 import com.google.common.collect.Sets;
 
 
@@ -290,14 +294,20 @@ public class PcepClientControllerAdapter implements PcepClientController {
     }
     }
 
 
     @Override
     @Override
-    public void addPacketListener(PcepPacketListener listener) {
+    public LabelStack computeLabelStack(Path path) {
         // TODO Auto-generated method stub
         // TODO Auto-generated method stub
-
+        return null;
     }
     }
 
 
     @Override
     @Override
-    public void removePacketListener(PcepPacketListener listener) {
+    public LinkedList<PcepValueType> createPcepLabelStack(DefaultLabelStack labelStack, Path path) {
         // TODO Auto-generated method stub
         // TODO Auto-generated method stub
+        return null;
+    }
 
 
+    @Override
+    public boolean allocateLocalLabel(Tunnel tunnel) {
+        // TODO Auto-generated method stub
+        return false;
     }
     }
 }
 }

@@ -100,7 +100,6 @@ import org.onosproject.pcepio.protocol.PcepLspObject;
 import org.onosproject.pcepio.protocol.PcepMessage;
 import org.onosproject.pcepio.protocol.PcepMessage;
 import org.onosproject.pcepio.protocol.PcepMetricObject;
 import org.onosproject.pcepio.protocol.PcepMetricObject;
 import org.onosproject.pcepio.protocol.PcepMsgPath;
 import org.onosproject.pcepio.protocol.PcepMsgPath;
-import org.onosproject.pcepio.protocol.PcepNai;
 import org.onosproject.pcepio.protocol.PcepReportMsg;
 import org.onosproject.pcepio.protocol.PcepReportMsg;
 import org.onosproject.pcepio.protocol.PcepSrpObject;
 import org.onosproject.pcepio.protocol.PcepSrpObject;
 import org.onosproject.pcepio.protocol.PcepStateReport;
 import org.onosproject.pcepio.protocol.PcepStateReport;
@@ -109,7 +108,6 @@ import org.onosproject.pcepio.protocol.PcepUpdateRequest;
 import org.onosproject.pcepio.types.IPv4SubObject;
 import org.onosproject.pcepio.types.IPv4SubObject;
 import org.onosproject.pcepio.types.PathSetupTypeTlv;
 import org.onosproject.pcepio.types.PathSetupTypeTlv;
 import org.onosproject.pcepio.types.PcepNaiIpv4Adjacency;
 import org.onosproject.pcepio.types.PcepNaiIpv4Adjacency;
-import org.onosproject.pcepio.types.PcepNaiIpv4NodeId;
 import org.onosproject.pcepio.types.PcepValueType;
 import org.onosproject.pcepio.types.PcepValueType;
 import org.onosproject.pcepio.types.SrEroSubObject;
 import org.onosproject.pcepio.types.SrEroSubObject;
 import org.onosproject.pcepio.types.StatefulIPv4LspIdentifiersTlv;
 import org.onosproject.pcepio.types.StatefulIPv4LspIdentifiersTlv;
@@ -124,7 +122,6 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.Collections;
 import java.util.Dictionary;
 import java.util.Dictionary;
 import java.util.HashMap;
 import java.util.HashMap;
-import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.List;
 import java.util.ListIterator;
 import java.util.ListIterator;
@@ -280,7 +277,6 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
             collectors.values().forEach(tsc -> tsc.adjustPollInterval(tunnelStatsPollFrequency));
             collectors.values().forEach(tsc -> tsc.adjustPollInterval(tunnelStatsPollFrequency));
             log.info("New setting: tunnelStatsPollFrequency={}", tunnelStatsPollFrequency);
             log.info("New setting: tunnelStatsPollFrequency={}", tunnelStatsPollFrequency);
         }
         }
-
     }
     }
 
 
     @Override
     @Override
@@ -318,8 +314,27 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
         //TODO: tunnel which is passed doesn't have tunnelID
         //TODO: tunnel which is passed doesn't have tunnelID
         if (tunnel.annotations().value(PLSP_ID) != null) {
         if (tunnel.annotations().value(PLSP_ID) != null) {
             if (LspType.valueOf(tunnel.annotations().value(LSP_SIG_TYPE)) != WITHOUT_SIGNALLING_AND_WITHOUT_SR) {
             if (LspType.valueOf(tunnel.annotations().value(LSP_SIG_TYPE)) != WITHOUT_SIGNALLING_AND_WITHOUT_SR) {
-                // For CR LSPs, BGP flow provider will send update message after pushing labels.
                 updateTunnel(tunnel, path);
                 updateTunnel(tunnel, path);
+            } else {
+                // Download labels and send update message.
+                // To get new tunnel ID (modified tunnel ID)
+                Collection<Tunnel> tunnels = tunnelService.queryTunnel(tunnel.src(), tunnel.dst());
+                for (Tunnel t : tunnels) {
+                    if (t.state().equals(INIT) && t.tunnelName().equals(tunnel.tunnelName())) {
+                        tunnel = new DefaultTunnel(tunnel.providerId(), tunnel.src(),
+                                tunnel.dst(), tunnel.type(),
+                                t.state(), tunnel.groupId(),
+                                t.tunnelId(),
+                                tunnel.tunnelName(),
+                                tunnel.path(),
+                                tunnel.resource(),
+                                tunnel.annotations());
+                                break;
+                    }
+                }
+                if (!pcepClientController.allocateLocalLabel(tunnel)) {
+                    log.error("Unable to allocate labels for the tunnel {}.", tunnel.toString());
+                }
             }
             }
             return;
             return;
         }
         }
@@ -806,13 +821,11 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
                                                    extendAnnotations);
                                                    extendAnnotations);
 
 
         }
         }
-        TunnelDescription tunnel = new DefaultTunnelDescription(
-                                                                tunnelId,
+        TunnelDescription tunnel = new DefaultTunnelDescription(tunnelId,
                                                                 srcPoint,
                                                                 srcPoint,
                                                                 dstPoint,
                                                                 dstPoint,
                                                                 tunnelType,
                                                                 tunnelType,
-                                                                new DefaultGroupId(
-                                                                                   0),
+                                                                new DefaultGroupId(0),
                                                                 id(), name,
                                                                 id(), name,
                                                                 path,
                                                                 path,
                                                                 annotations);
                                                                 annotations);
@@ -904,55 +917,6 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
     }
     }
 
 
     /**
     /**
-     * Creates label stack for ERO object from network resource.
-     *
-     * @param labelStack
-     * @param path (hop list)
-     * @return list of ERO subobjects
-     */
-    private LinkedList<PcepValueType> createPcepLabelStack(DefaultLabelStack labelStack, Path path) {
-        checkNotNull(labelStack);
-
-        LinkedList<PcepValueType> llSubObjects = new LinkedList<PcepValueType>();
-        Iterator<Link> links = path.links().iterator();
-        LabelResourceId label = null;
-        Link link = null;
-        PcepValueType subObj = null;
-        PcepNai nai = null;
-        Device dstNode = null;
-        long srcPortNo, dstPortNo;
-
-        ListIterator<LabelResourceId> labelListIterator = labelStack.labelResources().listIterator();
-        while (labelListIterator.hasNext()) {
-            label = labelListIterator.next();
-            link = links.next();
-
-            srcPortNo = link.src().port().toLong();
-            srcPortNo = ((srcPortNo & IDENTIFIER_SET) == IDENTIFIER_SET) ? srcPortNo & SET : srcPortNo;
-
-            dstPortNo = link.dst().port().toLong();
-            dstPortNo = ((dstPortNo & IDENTIFIER_SET) == IDENTIFIER_SET) ? dstPortNo & SET : dstPortNo;
-
-            nai = new PcepNaiIpv4Adjacency((int) srcPortNo, (int) dstPortNo);
-            subObj = new SrEroSubObject(PcepNaiIpv4Adjacency.ST_TYPE, false, false, false, true, (int) label.labelId(),
-                                        nai);
-            llSubObjects.add(subObj);
-
-            dstNode = deviceService.getDevice(link.dst().deviceId());
-            nai = new PcepNaiIpv4NodeId(Ip4Address.valueOf(dstNode.annotations().value(LSRID)).toInt());
-
-            if (!labelListIterator.hasNext()) {
-                log.error("Malformed label stack.");
-            }
-            label = labelListIterator.next();
-            subObj = new SrEroSubObject(PcepNaiIpv4NodeId.ST_TYPE, false, false, false, true, (int) label.labelId(),
-                                        nai);
-            llSubObjects.add(subObj);
-        }
-        return llSubObjects;
-    }
-
-    /**
      * Creates PcInitiated lsp request list for setup tunnel.
      * Creates PcInitiated lsp request list for setup tunnel.
      *
      *
      * @param tunnel mpls tunnel
      * @param tunnel mpls tunnel
@@ -967,10 +931,18 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
                                                                           throws PcepParseException {
                                                                           throws PcepParseException {
         PcepValueType tlv;
         PcepValueType tlv;
         LinkedList<PcepValueType> llSubObjects = null;
         LinkedList<PcepValueType> llSubObjects = null;
+        LspType lspType = LspType.valueOf(tunnel.annotations().value(LSP_SIG_TYPE));
 
 
+        if (lspType == SR_WITHOUT_SIGNALLING) {
             NetworkResource labelStack = tunnel.resource();
             NetworkResource labelStack = tunnel.resource();
-        if (labelStack != null && labelStack instanceof DefaultLabelStack) {
-            llSubObjects = createPcepLabelStack((DefaultLabelStack) labelStack, path);
+            if (labelStack == null || !(labelStack instanceof DefaultLabelStack)) {
+                labelStack = pcepClientController.computeLabelStack(tunnel.path());
+                if (labelStack == null) {
+                    log.error("Unable to create label stack.");
+                    return null;
+                }
+            }
+            llSubObjects = pcepClientController.createPcepLabelStack((DefaultLabelStack) labelStack, path);
         } else {
         } else {
             llSubObjects = createPcepPath(path);
             llSubObjects = createPcepPath(path);
         }
         }
@@ -983,7 +955,7 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
         LinkedList<PcepValueType> llOptionalTlv = new LinkedList<PcepValueType>();
         LinkedList<PcepValueType> llOptionalTlv = new LinkedList<PcepValueType>();
 
 
         // set PathSetupTypeTlv of SRP object
         // set PathSetupTypeTlv of SRP object
-        tlv = new PathSetupTypeTlv(LspType.valueOf(tunnel.annotations().value(LSP_SIG_TYPE)).type());
+        tlv = new PathSetupTypeTlv(lspType.type());
         llOptionalTlv.add(tlv);
         llOptionalTlv.add(tlv);
 
 
         // build SRP object
         // build SRP object
@@ -1115,7 +1087,6 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
             PcepTunnelData pcepTunnelData = new PcepTunnelData(tunnel, DELETE);
             PcepTunnelData pcepTunnelData = new PcepTunnelData(tunnel, DELETE);
             pcepTunnelApiMapper.addToCoreTunnelRequestQueue(pcepTunnelData);
             pcepTunnelApiMapper.addToCoreTunnelRequestQueue(pcepTunnelData);
             int srpId = SrpIdGenerators.create();
             int srpId = SrpIdGenerators.create();
-            TunnelId tunnelId = tunnel.tunnelId();
 
 
             PcepValueType tlv;
             PcepValueType tlv;
             LinkedList<PcepValueType> llOptionalTlv = new LinkedList<PcepValueType>();
             LinkedList<PcepValueType> llOptionalTlv = new LinkedList<PcepValueType>();
@@ -1193,14 +1164,21 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
             PcepTunnelData pcepTunnelData = new PcepTunnelData(tunnel, path, UPDATE);
             PcepTunnelData pcepTunnelData = new PcepTunnelData(tunnel, path, UPDATE);
             pcepTunnelApiMapper.addToCoreTunnelRequestQueue(pcepTunnelData);
             pcepTunnelApiMapper.addToCoreTunnelRequestQueue(pcepTunnelData);
             int srpId = SrpIdGenerators.create();
             int srpId = SrpIdGenerators.create();
-            TunnelId tunnelId = tunnel.tunnelId();
             PcepValueType tlv;
             PcepValueType tlv;
-            int plspId = 0;
 
 
             LinkedList<PcepValueType> llSubObjects = null;
             LinkedList<PcepValueType> llSubObjects = null;
+            LspType lspSigType = LspType.valueOf(tunnel.annotations().value(LSP_SIG_TYPE));
+
+            if (lspSigType == SR_WITHOUT_SIGNALLING) {
                 NetworkResource labelStack = tunnel.resource();
                 NetworkResource labelStack = tunnel.resource();
-            if (labelStack != null && labelStack instanceof DefaultLabelStack) {
-                llSubObjects = createPcepLabelStack((DefaultLabelStack) labelStack, path);
+                if (labelStack == null || !(labelStack instanceof DefaultLabelStack)) {
+                    labelStack = pcepClientController.computeLabelStack(tunnel.path());
+                    if (labelStack == null) {
+                        log.error("Unable to create label stack.");
+                        return;
+                    }
+                }
+                llSubObjects = pcepClientController.createPcepLabelStack((DefaultLabelStack) labelStack, path);
             } else {
             } else {
                 llSubObjects = createPcepPath(path);
                 llSubObjects = createPcepPath(path);
             }
             }
@@ -1209,7 +1187,6 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
             LinkedList<PcepUpdateRequest> llUpdateRequestList = new LinkedList<PcepUpdateRequest>();
             LinkedList<PcepUpdateRequest> llUpdateRequestList = new LinkedList<PcepUpdateRequest>();
 
 
             // set PathSetupTypeTlv of SRP object
             // set PathSetupTypeTlv of SRP object
-            LspType lspSigType = LspType.valueOf(tunnel.annotations().value(LSP_SIG_TYPE));
             tlv = new PathSetupTypeTlv(lspSigType.type());
             tlv = new PathSetupTypeTlv(lspSigType.type());
             llOptionalTlv.add(tlv);
             llOptionalTlv.add(tlv);
 
 
@@ -1285,8 +1262,6 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
         }
         }
     }
     }
 
 
-
-
     private class InnerTunnelProvider implements PcepTunnelListener, PcepEventListener, PcepClientListener {
     private class InnerTunnelProvider implements PcepTunnelListener, PcepEventListener, PcepClientListener {
 
 
         @Override
         @Override
@@ -1302,7 +1277,6 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
             }
             }
 
 
             TunnelId tunnelId = getTunnelId(tunnelKey);
             TunnelId tunnelId = getTunnelId(tunnelKey);
-
             tunnel = buildOpticalTunnel(pcepTunnel, tunnelId);
             tunnel = buildOpticalTunnel(pcepTunnel, tunnelId);
 
 
             OperationType operType = pcepTunnel.getOperationType();
             OperationType operType = pcepTunnel.getOperationType();
@@ -1737,7 +1711,7 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
         private void tunnelUpdateInDelegatedCase(PccId pccId, SparseAnnotations annotations,
         private void tunnelUpdateInDelegatedCase(PccId pccId, SparseAnnotations annotations,
                 DefaultTunnelDescription td, ProviderId providerId, State tunnelState,
                 DefaultTunnelDescription td, ProviderId providerId, State tunnelState,
                                                  StatefulIPv4LspIdentifiersTlv ipv4LspIdentifiersTlv) {
                                                  StatefulIPv4LspIdentifiersTlv ipv4LspIdentifiersTlv) {
-            //Wait for 2sec then query tunnel based on ingress PLSP-ID and local LSP-ID
+            // Wait for 2sec then query tunnel based on ingress PLSP-ID and local LSP-ID
 
 
             /*
             /*
              * If ONOS is not the master for that PCC then check if D flag is set, if yes wait [while
              * If ONOS is not the master for that PCC then check if D flag is set, if yes wait [while
@@ -1891,14 +1865,11 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
 
 
 
 
             if (endOfSyncAction == PcepLspSyncAction.UNSTABLE) {
             if (endOfSyncAction == PcepLspSyncAction.UNSTABLE) {
-
                 // Send PCInit msg again after global reoptimization.
                 // Send PCInit msg again after global reoptimization.
                 tunnelUpdated(td, UNSTABLE);
                 tunnelUpdated(td, UNSTABLE);
 
 
-                // To remove the old tunnel from store whose PLSPID is not
-                // recognized by ingress PCC.
+                // To remove the old tunnel from store whose PLSPID is not recognized by ingress PCC.
                 tunnelRemoved(td);
                 tunnelRemoved(td);
-
             } else if (endOfSyncAction == REMOVE) {
             } else if (endOfSyncAction == REMOVE) {
                 tunnelRemoved(td);
                 tunnelRemoved(td);
             }
             }

@@ -24,13 +24,16 @@ import java.util.concurrent.ConcurrentHashMap;
 
 
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Deactivate;
 import org.apache.felix.scr.annotations.Deactivate;
+import org.onosproject.incubator.net.tunnel.DefaultLabelStack;
+import org.onosproject.incubator.net.tunnel.LabelStack;
+import org.onosproject.incubator.net.tunnel.Tunnel;
+import org.onosproject.net.Path;
 import org.onosproject.pcep.controller.PccId;
 import org.onosproject.pcep.controller.PccId;
 import org.onosproject.pcep.controller.PcepClient;
 import org.onosproject.pcep.controller.PcepClient;
 import org.onosproject.pcep.controller.PcepClientController;
 import org.onosproject.pcep.controller.PcepClientController;
 import org.onosproject.pcep.controller.PcepClientListener;
 import org.onosproject.pcep.controller.PcepClientListener;
 import org.onosproject.pcep.controller.PcepEventListener;
 import org.onosproject.pcep.controller.PcepEventListener;
 import org.onosproject.pcep.controller.PcepNodeListener;
 import org.onosproject.pcep.controller.PcepNodeListener;
-import org.onosproject.pcep.controller.PcepPacketListener;
 import org.onosproject.pcep.controller.driver.PcepAgent;
 import org.onosproject.pcep.controller.driver.PcepAgent;
 import org.onosproject.pcepio.protocol.PcepError;
 import org.onosproject.pcepio.protocol.PcepError;
 import org.onosproject.pcepio.protocol.PcepErrorInfo;
 import org.onosproject.pcepio.protocol.PcepErrorInfo;
@@ -39,6 +42,7 @@ import org.onosproject.pcepio.protocol.PcepErrorObject;
 import org.onosproject.pcepio.protocol.PcepFactory;
 import org.onosproject.pcepio.protocol.PcepFactory;
 import org.onosproject.pcepio.protocol.PcepMessage;
 import org.onosproject.pcepio.protocol.PcepMessage;
 import org.onosproject.pcepio.protocol.PcepVersion;
 import org.onosproject.pcepio.protocol.PcepVersion;
+import org.onosproject.pcepio.types.PcepValueType;
 
 
 import com.google.common.collect.Sets;
 import com.google.common.collect.Sets;
 
 
@@ -58,7 +62,6 @@ public class PcepClientControllerAdapter implements PcepClientController {
 
 
     protected Set<PcepEventListener> pcepEventListener = Sets.newHashSet();
     protected Set<PcepEventListener> pcepEventListener = Sets.newHashSet();
     public Set<PcepNodeListener> pcepNodeListener = Sets.newHashSet();
     public Set<PcepNodeListener> pcepNodeListener = Sets.newHashSet();
-    protected Set<PcepPacketListener> pcepPacketListener = Sets.newHashSet();
 
 
     @Activate
     @Activate
     public void activate() {
     public void activate() {
@@ -118,16 +121,6 @@ public class PcepClientControllerAdapter implements PcepClientController {
     }
     }
 
 
     @Override
     @Override
-    public void addPacketListener(PcepPacketListener listener) {
-        pcepPacketListener.add(listener);
-    }
-
-    @Override
-    public void removePacketListener(PcepPacketListener listener) {
-        pcepPacketListener.remove(listener);
-    }
-
-    @Override
     public void writeMessage(PccId pccId, PcepMessage msg) {
     public void writeMessage(PccId pccId, PcepMessage msg) {
         this.getClient(pccId).sendMessage(msg);
         this.getClient(pccId).sendMessage(msg);
     }
     }
@@ -292,4 +285,22 @@ public class PcepClientControllerAdapter implements PcepClientController {
             return false;
             return false;
         }
         }
     }
     }
+
+    @Override
+    public LabelStack computeLabelStack(Path path) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public LinkedList<PcepValueType> createPcepLabelStack(DefaultLabelStack labelStack, Path path) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public boolean allocateLocalLabel(Tunnel tunnel) {
+        // TODO Auto-generated method stub
+        return false;
+    }
 }
 }