ONOS-1982: MessagingService is now a OSGi service. Has implementations based on Netty and IOLoop

Change-Id: Ia4c99de18e91be1b49bd1fddd86fe89fb83e859c
diff --git a/core/store/dist/src/main/java/org/onosproject/store/cluster/messaging/impl/NettyMessagingManager.java b/core/store/dist/src/main/java/org/onosproject/store/cluster/messaging/impl/NettyMessagingManager.java
new file mode 100644
index 0000000..4777fdb
--- /dev/null
+++ b/core/store/dist/src/main/java/org/onosproject/store/cluster/messaging/impl/NettyMessagingManager.java
@@ -0,0 +1,40 @@
+package org.onosproject.store.cluster.messaging.impl;
+
+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.netty.NettyMessaging;
+import org.onosproject.cluster.ClusterDefinitionService;
+import org.onosproject.cluster.ControllerNode;
+import org.onosproject.store.cluster.messaging.Endpoint;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Netty based MessagingService.
+ */
+@Component(immediate = true, enabled = true)
+@Service
+public class NettyMessagingManager extends NettyMessaging {
+
+    private final Logger log = LoggerFactory.getLogger(getClass());
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected ClusterDefinitionService clusterDefinitionService;
+
+    @Activate
+    public void activate() throws Exception {
+        ControllerNode localNode = clusterDefinitionService.localNode();
+        super.start(new Endpoint(localNode.ip(), localNode.tcpPort()));
+        log.info("Started");
+    }
+
+    @Deactivate
+    public void deactivate() throws Exception {
+        super.stop();
+        log.info("Stopped");
+    }
+}
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