Added Hazelcast-based Leadership implementation that is needed/used by SDN-IP.

This is a drop-in replacement until the generic ONOS Leadership service
is robust enough.

Change-Id: I72a84331dd948f98707eb59844dab425aa9d5c08

@@ -85,6 +85,12 @@
     </dependency>
 
     <dependency>
+      <groupId>org.onlab.onos</groupId>
+      <artifactId>onos-core-dist</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+
+    <dependency>
       <groupId>org.apache.karaf.shell</groupId>
       <artifactId>org.apache.karaf.shell.console</artifactId>
     </dependency>

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright 2014 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/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>org.onlab.onos</groupId>
+    <artifactId>onos-apps</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+    <relativePath>../pom.xml</relativePath>
+  </parent>
+
+  <artifactId>onos-app-sdnip</artifactId>
+  <packaging>bundle</packaging>
+
+  <description>SDN-IP peering application</description>
+
+  <dependencies>
+    <dependency>
+      <groupId>com.fasterxml.jackson.core</groupId>
+      <artifactId>jackson-databind</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>com.fasterxml.jackson.core</groupId>
+      <artifactId>jackson-annotations</artifactId>
+      <version>2.4.2</version>
+      <scope>provided</scope>
+    </dependency>
+
+    <dependency>
+      <groupId>com.google.guava</groupId>
+      <artifactId>guava</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>org.apache.commons</groupId>
+      <artifactId>commons-collections4</artifactId>
+      <version>4.0</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.onlab.onos</groupId>
+      <artifactId>onlab-thirdparty</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>org.onlab.onos</groupId>
+      <artifactId>onlab-misc</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>org.onlab.onos</groupId>
+      <artifactId>onlab-junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+
+    <dependency>
+      <groupId>org.onlab.onos</groupId>
+      <artifactId>onos-api</artifactId>
+      <version>${project.version}</version>
+      <scope>test</scope>
+      <classifier>tests</classifier>
+    </dependency>
+
+    <dependency>
+      <groupId>org.onlab.onos</groupId>
+      <artifactId>onos-cli</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.apache.karaf.shell</groupId>
+      <artifactId>org.apache.karaf.shell.console</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>org.osgi</groupId>
+      <artifactId>org.osgi.core</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>org.easymock</groupId>
+      <artifactId>easymock</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+</project>

@@ -29,15 +29,17 @@ import org.onlab.onos.cluster.ClusterService;
 import org.onlab.onos.cluster.ControllerNode;
 import org.onlab.onos.cluster.LeadershipEvent;
 import org.onlab.onos.cluster.LeadershipEventListener;
-import org.onlab.onos.cluster.LeadershipService;
+// import org.onlab.onos.cluster.LeadershipService;
 import org.onlab.onos.core.ApplicationId;
 import org.onlab.onos.core.CoreService;
+import org.onlab.onos.event.EventDeliveryService;
 import org.onlab.onos.net.host.HostService;
 import org.onlab.onos.net.intent.IntentService;
 import org.onlab.onos.sdnip.bgp.BgpRouteEntry;
 import org.onlab.onos.sdnip.bgp.BgpSession;
 import org.onlab.onos.sdnip.bgp.BgpSessionManager;
 import org.onlab.onos.sdnip.config.SdnIpConfigReader;
+import org.onlab.onos.store.hz.StoreService;
 
 import org.slf4j.Logger;
 
@@ -68,7 +70,13 @@ public class SdnIp implements SdnIpService {
     protected ClusterService clusterService;
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected LeadershipService leadershipService;
+    protected StoreService storeService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected EventDeliveryService eventDispatcher;
+
+    //    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected SdnIpLeadershipService leadershipService;
 
     private IntentSynchronizer intentSynchronizer;
     private SdnIpConfigReader config;
@@ -77,7 +85,7 @@ public class SdnIp implements SdnIpService {
     private BgpSessionManager bgpSessionManager;
     private LeadershipEventListener leadershipEventListener =
         new InnerLeadershipEventListener();
-    ApplicationId appId;
+    private ApplicationId appId;
     private ControllerNode localControllerNode;
 
     @Activate
@@ -106,6 +114,10 @@ public class SdnIp implements SdnIpService {
                             interfaceService, hostService);
         router.start();
 
+        leadershipService = new SdnIpLeadershipService(clusterService,
+                                                       storeService,
+                                                       eventDispatcher);
+        leadershipService.start();
         leadershipService.addListener(leadershipEventListener);
         leadershipService.runForLeadership(appId.name());
 
@@ -126,6 +138,7 @@ public class SdnIp implements SdnIpService {
 
         leadershipService.withdraw(appId.name());
         leadershipService.removeListener(leadershipEventListener);
+        leadershipService.stop();
 
         log.info("SDN-IP Stopped");
     }