[ONOS-4171] Merge PCEP and BGP providers into common BGPCEP provider.

Change-Id: Ia87f0898e51704ce8d02d877e9f0d57219099a53

@@ -25,7 +25,7 @@ import org.onosproject.pcep.tools.PcepTools;
  */
 public final class PcepDpid {
 
-    private static final String SCHEME = "pcep";
+    private static final String SCHEME = "l3";
     private static final long UNKNOWN = 0;
     private long nodeId;
 

@@ -39,7 +39,7 @@ import org.slf4j.LoggerFactory;
 public final class BgpDpid {
     private static final Logger log = LoggerFactory.getLogger(BgpDpid.class);
 
-    private static final String SCHEME = "bgp";
+    private static final String SCHEME = "l3";
     private static final long UNKNOWN = 0;
     private StringBuilder stringBuilder;
     public static final int NODE_DESCRIPTOR_LOCAL = 1;

@@ -30,7 +30,7 @@ import static com.google.common.base.Preconditions.checkArgument;
  */
 public final class BgpId extends Identifier<IpAddress> {
 
-    private static final String SCHEME = "bgp";
+    private static final String SCHEME = "l3";
     private static final long UNKNOWN = 0;
 
     /**

@@ -29,7 +29,7 @@ import static com.google.common.base.Preconditions.checkArgument;
  */
 public final class PccId extends Identifier<IpAddress> {
 
-    private static final String SCHEME = "pcep";
+    private static final String SCHEME = "l3";
     private static final long UNKNOWN = 0;
 
     /**

@@ -25,10 +25,9 @@
   <packaging>pom</packaging>
   <description>BGP-LS protocol providers root</description>
   <modules>
-  	<module>topology</module>
+        <module>topology</module>
         <module>cfg</module>
-  	<module>app</module>
-        <module>flow</module>
+        <module>app</module>
   </modules>
     <dependencies>
 

@@ -79,8 +79,11 @@ import org.slf4j.LoggerFactory;
 @Component(immediate = true)
 public class BgpTopologyProvider extends AbstractProvider implements DeviceProvider, LinkProvider {
 
+    /**
+     * Creates an instance of BGP topology provider.
+     */
     public BgpTopologyProvider() {
-        super(new ProviderId("bgp", "org.onosproject.provider.bgp"));
+        super(new ProviderId("l3", "org.onosproject.provider.bgp"));
     }
 
     private static final Logger log = LoggerFactory.getLogger(BgpTopologyProvider.class);

@@ -70,9 +70,9 @@ import org.onosproject.net.provider.ProviderId;
  * Test for BGP topology provider.
  */
 public class BgpTopologyProviderTest {
-    private static final DeviceId DID2 = DeviceId.deviceId("bgp:rd=0::routinguniverse=0:asn=10");
+    private static final DeviceId DID2 = DeviceId.deviceId("l3:rd=0::routinguniverse=0:asn=10");
     private static final String UNKNOWN = new String("unknown");
-    public static ProviderId providerId = new ProviderId("bgp", "foo");
+    public static ProviderId providerId = new ProviderId("l3", "foo");
 
     private final BgpTopologyProvider provider = new BgpTopologyProvider();
     private final TestDeviceRegistry nodeRegistry = new TestDeviceRegistry();

+SRC = 'src/main/java/org/onosproject/**/'
+
+CURRENT_NAME = 'onos-bgpcep-provider-flow'
+CURRENT_TARGET = ':' + CURRENT_NAME
+
 COMPILE_DEPS = [
     '//lib:CORE_DEPS',
     '//protocols/bgp/api:onos-bgp-api',
 ]
 
-osgi_jar_with_tests (
+osgi_jar(
+    name = CURRENT_NAME,
+    srcs = glob([SRC + '/*.java']),
     deps = COMPILE_DEPS,
+    visibility = ['PUBLIC'],
 )

@@ -21,15 +21,15 @@
 
     <parent>
         <groupId>org.onosproject</groupId>
-        <artifactId>onos-bgp-providers</artifactId>
+        <artifactId>onos-bgpcep-providers</artifactId>
         <version>1.6.0-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
-    <artifactId>onos-bgp-provider-flow</artifactId>
+    <artifactId>onos-bgpcep-provider-flow</artifactId>
     <packaging>bundle</packaging>
 
-    <description>ONOS BGP protocol flow provider</description>
+    <description>ONOS BGP-PCEP protocol flow provider</description>
 
     <dependencies>
         <dependency>

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.onosproject.provider.bgp.flow.impl;
+package org.onosproject.provider.bgpcep.flow.impl;
 
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
@@ -28,18 +28,22 @@ import org.onosproject.net.flow.FlowRuleBatchOperation;
 import org.onosproject.net.flow.FlowRuleProvider;
 import org.onosproject.net.flow.FlowRuleProviderRegistry;
 import org.onosproject.net.flow.FlowRuleProviderService;
+import org.onosproject.net.flow.criteria.Criterion;
 import org.onosproject.net.provider.AbstractProvider;
 import org.onosproject.net.provider.ProviderId;
+import org.onosproject.net.resource.ResourceService;
+import org.onosproject.pcep.controller.PcepClient;
+import org.onosproject.pcep.controller.PcepClientController;
 import org.osgi.service.component.ComponentContext;
 import org.slf4j.Logger;
 
 import static org.slf4j.LoggerFactory.getLogger;
 
 /**
- * Bgp Flow provider.
+ * Implementation of BGP-PCEP flow provider.
  */
 @Component(immediate = true)
-public class BgpFlowRuleProvider extends AbstractProvider
+public class BgpcepFlowRuleProvider extends AbstractProvider
         implements FlowRuleProvider {
 
     private final Logger log = getLogger(getClass());
@@ -53,19 +57,26 @@ public class BgpFlowRuleProvider extends AbstractProvider
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected BgpController bgpController;
 
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected PcepClientController pcepController;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected ResourceService resourceService;
+
     private FlowRuleProviderService providerService;
 
     /**
-     * Creates an BgpFlow host provider.
+     * Creates a BgpFlow host provider.
      */
-    public BgpFlowRuleProvider() {
-        super(new ProviderId("bgp", "org.onosproject.provider.bgp"));
+    public BgpcepFlowRuleProvider() {
+        super(new ProviderId("l3", "org.onosproject.provider.bgpcep"));
     }
 
     @Activate
     public void activate(ComponentContext context) {
         cfgService.registerProperties(getClass());
         providerService = providerRegistry.register(this);
+        log.info("Started");
     }
 
     @Deactivate
@@ -73,6 +84,7 @@ public class BgpFlowRuleProvider extends AbstractProvider
         cfgService.unregisterProperties(getClass(), false);
         providerRegistry.unregister(this);
         providerService = null;
+        log.info("Stopped");
     }
 
     @Override
@@ -83,7 +95,29 @@ public class BgpFlowRuleProvider extends AbstractProvider
     }
 
     private void applyRule(FlowRule flowRule) {
-        //TODO
+        flowRule.selector().criteria()
+                .forEach(c -> {
+                    // If Criterion type is MPLS_LABEL, push labels through PCEP client
+                        if (c.type() == Criterion.Type.MPLS_LABEL) {
+                            PcepClient pcc;
+                            /** PCC client session is based on LSR ID, get the LSR ID for a specific device to
+                            push the flows */
+
+                            //TODO: commented code has dependency with other patch
+                     /*     Set<TeRouterId> lrsIds = resourceService.getAvailableResourceValues(Resources
+                                    .discrete(flowRule.deviceId()).id(), TeRouterId.class);
+
+                            lrsIds.forEach(lsrId ->
+                            {
+                                if (pcepController.getClient(PccId.pccId(lsrId)) != null) {
+                                    pcc = pcepController.getClient(PccId.pccId(lsrId));
+                                }
+                            });*/
+                            // TODO: Build message and send the PCEP label message via PCEP client
+                        } else {
+                            // TODO: Get the BGP peer based on deviceId and send the message
+                        }
+                    });
     }
 
     @Override
@@ -94,7 +128,29 @@ public class BgpFlowRuleProvider extends AbstractProvider
     }
 
     private void removeRule(FlowRule flowRule) {
-        //TODO
+        flowRule.selector().criteria()
+        .forEach(c -> {
+            // If Criterion type is MPLS_LABEL, remove the specified flow rules
+                if (c.type() == Criterion.Type.MPLS_LABEL) {
+                    PcepClient pcc;
+                    /** PCC client session is based on LSR ID, get the LSR ID for a specific device to
+                    push the flows */
+
+                    //TODO: commented code has dependency with other patch
+             /*     Set<TeRouterId> lrsIds = resourceService.getAvailableResourceValues(Resources
+                            .discrete(flowRule.deviceId()).id(), TeRouterId.class);
+
+                    lrsIds.forEach(lsrId ->
+                    {
+                        if (pcepController.getClient(PccId.pccId(lsrId)) != null) {
+                            pcc = pcepController.getClient(PccId.pccId(lsrId));
+                        }
+                    });*/
+                    // TODO: Build message and send the PCEP label message via PCEP client
+                } else {
+                    // TODO: Get the BGP peer based on deviceId and send the message
+                }
+            });
     }
 
     @Override

@@ -15,6 +15,6 @@
  */
 
 /**
- * Bgp Flow provider.
+ * Representation of BGP-PCEP flow provider.
  */
-package org.onosproject.provider.bgp.flow.impl;
+package org.onosproject.provider.bgpcep.flow.impl;

+<!--
+  ~ 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-providers</artifactId>
+    <version>1.6.0-SNAPSHOT</version>
+    <relativePath>../pom.xml</relativePath>
+  </parent>
+
+  <artifactId>onos-bgpcep-providers</artifactId>
+  <packaging>pom</packaging>
+
+  <description>BGPCEP providers root</description>
+
+  <modules>
+        <module>flow</module>
+  </modules>
+
+  <dependencies>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-pcep-controller-api</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-bgp-api</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+  </dependencies>
+
+</project>

@@ -81,8 +81,11 @@ import static org.onosproject.pcep.api.PcepDpid.uri;
 public class PcepTopologyProvider extends AbstractProvider
         implements LinkProvider, DeviceProvider {
 
+    /**
+     * Creates instance of PCEP topology provider.
+     */
     public PcepTopologyProvider() {
-        super(new ProviderId("pcep", "org.onosproject.provider.pcep"));
+        super(new ProviderId("l3", "org.onosproject.provider.pcep"));
     }
 
     private static final Logger log = LoggerFactory

@@ -40,6 +40,7 @@
         <module>pcep</module>
         <module>ovsdb</module>
         <module>bgp</module>
+        <module>bgpcep</module>
         <module>snmp</module>
         <module>rest</module>
         <module>lldpcommon</module>