[ONOS-4170] PCEP provider changes for LSPDB sync

Change-Id: I9229fec9d97dd46343cc809e33c92b9722ab7ed3

@@ -95,18 +95,32 @@ public interface PcepClient {
     String channelId();
 
     /**
-     * To set the status of state synchronization.
+     * Sets the status of LSP state synchronization.
      *
-     * @param value to set the synchronization status
+     * @param syncStatus LSP synchronization status to be set
      */
-    void setIsSyncComplete(boolean value);
+    void setLspDbSyncStatus(PcepSyncStatus syncStatus);
 
     /**
-     * Indicates the state synchronization status of this pcc.
+     * Indicates the LSP state synchronization status of this pcc.
      *
-     * @return true/false if the synchronization is completed/not completed
+     * @return LSP state synchronization status.
      */
-    boolean isSyncComplete();
+    PcepSyncStatus lspDbSyncStatus();
+
+    /**
+     * Sets the status of label DB synchronization.
+     *
+     * @param syncStatus label DB synchronization status to be set
+     */
+    void setLabelDbSyncStatus(PcepSyncStatus syncStatus);
+
+    /**
+     * Indicates the label DB synchronization status of this pcc.
+     *
+     * @return label DB synchronization status.
+     */
+    PcepSyncStatus labelDbSyncStatus();
 
     /**
      * Sets capability negotiated during open message exchange.

+/*
+ * 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;
+
+/**
+ * Representation of PCEP database sync status on session establishment.
+ */
+public enum PcepSyncStatus {
+
+    /**
+     * Specifies that the DB state is not synchronized.
+     */
+    NOT_SYNCED(0),
+
+    /**
+     * Specifies that the DB state is currently undergoing synchronization.
+     */
+    IN_SYNC(1),
+
+    /**
+     * Specifies that the DB state synchronization is completed.
+     */
+    SYNCED(2);
+
+    int value;
+
+    /**
+     * Assign val with the value as the sync status.
+     *
+     * @param val sync status
+     */
+    PcepSyncStatus(int val) {
+        value = val;
+    }
+}

@@ -169,6 +169,12 @@ class PcepChannelHandler extends IdleStateAwareChannelHandler {
                             }
                         }
 
+                        /*
+                         * If MPLS LSR id and PCEP session socket IP addresses are not same,
+                         * the MPLS LSR id will be encoded in separate TLV.
+                         * We always maintain session information based on LSR ids.
+                         * The socket IP is stored in channel.
+                         */
                         LinkedList<PcepValueType> optionalTlvs = pOpenmsg.getPcepOpenObject().getOptionalTlv();
                         for (PcepValueType optionalTlv : optionalTlvs) {
                             if (optionalTlv instanceof NodeAttributesTlv) {

@@ -27,6 +27,7 @@ import org.onlab.packet.IpAddress;
 import org.onosproject.pcep.controller.ClientCapability;
 import org.onosproject.pcep.controller.PccId;
 import org.onosproject.pcep.controller.PcepPacketStats;
+import org.onosproject.pcep.controller.PcepSyncStatus;
 import org.onosproject.pcep.controller.driver.PcepAgent;
 import org.onosproject.pcep.controller.driver.PcepClientDriver;
 import org.onosproject.pcepio.protocol.PcepFactories;
@@ -52,9 +53,10 @@ public class PcepClientImpl implements PcepClientDriver {
     protected String channelId;
 
     private boolean connected;
-    protected boolean startDriverHandshakeCalled = false;
-    protected boolean isHandShakeComplete = false;
-    protected boolean isSyncComplete = false;
+    protected boolean startDriverHandshakeCalled;
+    protected boolean isHandShakeComplete;
+    private PcepSyncStatus lspDbSyncStatus;
+    private PcepSyncStatus labelDbSyncStatus;
     private PccId pccId;
     private PcepAgent agent;
 
@@ -175,13 +177,23 @@ public class PcepClientImpl implements PcepClientDriver {
     }
 
     @Override
-    public void setIsSyncComplete(boolean value) {
-        this.isSyncComplete = value;
+    public void setLspDbSyncStatus(PcepSyncStatus syncStatus) {
+        this.lspDbSyncStatus = syncStatus;
     }
 
     @Override
-    public boolean isSyncComplete() {
-        return isSyncComplete;
+    public PcepSyncStatus lspDbSyncStatus() {
+        return lspDbSyncStatus;
+    }
+
+    @Override
+    public void setLabelDbSyncStatus(PcepSyncStatus syncStatus) {
+        this.labelDbSyncStatus = syncStatus;
+    }
+
+    @Override
+    public PcepSyncStatus labelDbSyncStatus() {
+        return labelDbSyncStatus;
     }
 
     @Override

@@ -48,7 +48,7 @@ public class PcepLspObjectVer1 implements PcepLspObject {
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      | Object-Class  |   OT  |Res|P|I|   Object Length (bytes)       |
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-     |                PLSP-ID                |  Flag  C|    O|A|R|S|D|
+     |                PLSP-ID                |  Flag |C|    O|A|R|S|D|
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      //                        TLVs                                 //
      |                                                               |
@@ -116,6 +116,7 @@ public class PcepLspObjectVer1 implements PcepLspObject {
      * @param bRFlag R flag
      * @param bSFlag S flag
      * @param bDFlag D flag
+     * @param bCFlag C flag
      * @param llOptionalTlv list of optional tlv
      */
     public PcepLspObjectVer1(PcepObjectHeader lspObjHeader, int iPlspId, byte yOFlag, boolean bAFlag, boolean bRFlag,
@@ -294,6 +295,9 @@ public class PcepLspObjectVer1 implements PcepLspObject {
         }
 
         int iTemp = iPlspId << PLSPID_SHIFT_VALUE;
+
+        iTemp = iTemp | (((bCFlag) ? BIT_SET : BIT_RESET) << CFLAG_SHIFT_VALUE);
+
         iTemp = iTemp | (yOFlag << OFLAG_SHIFT_VALUE);
         byte bFlag;
         iTemp = bAFlag ? (iTemp | AFLAG_TEMP_SHIFT_VALUE) : iTemp;

@@ -51,4 +51,9 @@ public final class PcepAnnotationKeys {
      * Annotation key for the LSP id assigned per tunnel.
      */
     public static final String LOCAL_LSP_ID = "localLspId";
+
+    /**
+     * Annotation key for the identification of initiated LSP.
+     */
+    public static final String PCE_INIT = "pceInit";
 }

@@ -18,7 +18,6 @@ package org.onosproject.provider.pcep.tunnel.impl;
 import java.util.HashMap;
 import java.util.Map;
 
-import org.apache.commons.collections.map.MultiKeyMap;
 import org.onosproject.incubator.net.tunnel.TunnelId;
 import org.onosproject.incubator.net.tunnel.TunnelProviderService;
 import org.slf4j.Logger;
@@ -40,8 +39,6 @@ public class PcepTunnelApiMapper {
     private Map<Integer, PcepTunnelData> tunnelDB;
     // Map to store the tunnel ids, given by core and given by pcc.
     private Map<TunnelId, Integer> tunnelIdMap;
-    //Map to store all the learnt tunnels.
-    private MultiKeyMap pccTunnelDB = new MultiKeyMap();
 
     TunnelProviderService tunnelApiMapperservice;
 
@@ -193,14 +190,4 @@ public class PcepTunnelApiMapper {
         boolean retValue = tunnelDB.containsKey((new Integer(value)));
         return retValue;
     }
-
-    /**
-     * Add Learnt tunnels to pcc tunnel DB.
-     *
-     * @param pcepTunnelData pcep tunnel data
-     */
-    public void addPccTunnelDB(PcepTunnelData pcepTunnelData) {
-        pccTunnelDB.put(pcepTunnelData.statefulIpv4IndentifierTlv().getTunnelId() & 0xFFFFL,
-                        pcepTunnelData.statefulIpv4IndentifierTlv().getIpv4IngressAddress(), pcepTunnelData);
-    }
 }

@@ -24,6 +24,7 @@ import org.jboss.netty.channel.Channel;
 import org.onosproject.pcep.controller.ClientCapability;
 import org.onosproject.pcep.controller.PccId;
 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;
@@ -42,7 +43,8 @@ public class PcepClientAdapter implements PcepClient {
     private ClientCapability capability;
 
     private PcepVersion pcepVersion;
-    private boolean syncCompleted;
+    private PcepSyncStatus lspDbSyncStatus;
+    private PcepSyncStatus labelDbSyncStatus;
 
     /**
      * Initialize instance with specified parameters.
@@ -109,13 +111,23 @@ public class PcepClientAdapter implements PcepClient {
     }
 
     @Override
-    public final boolean isSyncComplete() {
-        return syncCompleted;
+    public void setLspDbSyncStatus(PcepSyncStatus syncStatus) {
+        this.lspDbSyncStatus = syncStatus;
     }
 
     @Override
-    public final void setIsSyncComplete(boolean value) {
-        syncCompleted = value;
+    public PcepSyncStatus lspDbSyncStatus() {
+        return lspDbSyncStatus;
+    }
+
+    @Override
+    public void setLabelDbSyncStatus(PcepSyncStatus syncStatus) {
+        this.labelDbSyncStatus = syncStatus;
+    }
+
+    @Override
+    public PcepSyncStatus labelDbSyncStatus() {
+        return labelDbSyncStatus;
     }
 
     @Override