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/impl/ClusterDefinitionManager.java b/core/store/dist/src/main/java/org/onosproject/store/cluster/impl/ClusterDefinitionManager.java
new file mode 100644
index 0000000..4d12723
--- /dev/null
+++ b/core/store/dist/src/main/java/org/onosproject/store/cluster/impl/ClusterDefinitionManager.java
@@ -0,0 +1,172 @@
+package org.onosproject.store.cluster.impl;
+
+import static com.hazelcast.util.AddressUtil.matchInterface;
+import static java.net.NetworkInterface.getNetworkInterfaces;
+import static java.util.Collections.list;
+import static org.onosproject.cluster.DefaultControllerNode.DEFAULT_PORT;
+import static org.onosproject.store.consistent.impl.DatabaseManager.PARTITION_DEFINITION_FILE;
+import static org.slf4j.LoggerFactory.getLogger;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.net.SocketException;
+import java.util.Enumeration;
+import java.util.Set;
+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.Service;
+import org.onlab.packet.IpAddress;
+import org.onosproject.cluster.ClusterDefinitionService;
+import org.onosproject.cluster.ControllerNode;
+import org.onosproject.cluster.DefaultControllerNode;
+import org.onosproject.cluster.NodeId;
+import org.onosproject.store.consistent.impl.DatabaseDefinition;
+import org.onosproject.store.consistent.impl.DatabaseDefinitionStore;
+import org.slf4j.Logger;
+
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Sets;
+import com.hazelcast.util.AddressUtil;
+
+/**
+ * Implementation of ClusterDefinitionService.
+ */
+@Component(immediate = true)
+@Service
+public class ClusterDefinitionManager implements ClusterDefinitionService {
+
+    public static final String CLUSTER_DEFINITION_FILE = "../config/cluster.json";
+    private static final String ONOS_NIC = "ONOS_NIC";
+    private static final Logger log = getLogger(ClusterDefinitionManager.class);
+    private ControllerNode localNode;
+    private Set<ControllerNode> seedNodes;
+
+    @Activate
+    public void activate() {
+        File clusterDefinitionFile = new File(CLUSTER_DEFINITION_FILE);
+        ClusterDefinitionStore clusterDefinitionStore =
+                new ClusterDefinitionStore(clusterDefinitionFile.getPath());
+
+        if (!clusterDefinitionFile.exists()) {
+            createDefaultClusterDefinition(clusterDefinitionStore);
+        }
+
+        try {
+            ClusterDefinition clusterDefinition = clusterDefinitionStore.read();
+            establishSelfIdentity(clusterDefinition);
+            seedNodes = ImmutableSet
+                    .copyOf(clusterDefinition.getNodes())
+                    .stream()
+                    .filter(n -> !localNode.id().equals(new NodeId(n.getId())))
+                    .map(n -> new DefaultControllerNode(new NodeId(n.getId()),
+                                                        IpAddress.valueOf(n.getIp()),
+                                                        n.getTcpPort()))
+                    .collect(Collectors.toSet());
+        } catch (IOException e) {
+            throw new IllegalStateException("Failed to read cluster definition.", e);
+        }
+
+        log.info("Started");
+    }
+
+    @Deactivate
+    public void deactivate() {
+        log.info("Stopped");
+    }
+
+    @Override
+    public ControllerNode localNode() {
+        return localNode;
+    }
+
+    @Override
+    public Set<ControllerNode> seedNodes() {
+        return seedNodes;
+    }
+
+    @Override
+    public void formCluster(Set<ControllerNode> nodes, String ipPrefix) {
+        try {
+            Set<NodeInfo> infos = Sets.newHashSet();
+            nodes.forEach(n -> infos.add(NodeInfo.from(n.id().toString(),
+                                                       n.ip().toString(),
+                                                       n.tcpPort())));
+
+            ClusterDefinition cdef = ClusterDefinition.from(infos, ipPrefix);
+            new ClusterDefinitionStore(CLUSTER_DEFINITION_FILE).write(cdef);
+
+            DatabaseDefinition ddef = DatabaseDefinition.from(infos);
+            new DatabaseDefinitionStore(PARTITION_DEFINITION_FILE).write(ddef);
+        } catch (IOException e) {
+            log.error("Unable to form cluster", e);
+        }
+    }
+
+    private IpAddress findLocalIp(ClusterDefinition clusterDefinition) throws SocketException {
+        Enumeration<NetworkInterface> interfaces =
+                NetworkInterface.getNetworkInterfaces();
+        while (interfaces.hasMoreElements()) {
+            NetworkInterface iface = interfaces.nextElement();
+            Enumeration<InetAddress> inetAddresses = iface.getInetAddresses();
+            while (inetAddresses.hasMoreElements()) {
+                IpAddress ip = IpAddress.valueOf(inetAddresses.nextElement());
+                if (AddressUtil.matchInterface(ip.toString(), clusterDefinition.getIpPrefix())) {
+                    return ip;
+                }
+            }
+        }
+        throw new IllegalStateException("Unable to determine local ip");
+    }
+
+    private void establishSelfIdentity(ClusterDefinition clusterDefinition) {
+        try {
+            IpAddress ip = findLocalIp(clusterDefinition);
+            localNode = new DefaultControllerNode(new NodeId(ip.toString()), ip);
+        } catch (SocketException e) {
+            throw new IllegalStateException("Cannot determine local IP", e);
+        }
+    }
+
+    private void createDefaultClusterDefinition(ClusterDefinitionStore store) {
+        // Assumes IPv4 is returned.
+        String ip = getSiteLocalAddress();
+        String ipPrefix = ip.replaceFirst("\\.[0-9]*$", ".*");
+        NodeInfo node = NodeInfo.from(ip, ip, DEFAULT_PORT);
+        try {
+            store.write(ClusterDefinition.from(ImmutableSet.of(node), ipPrefix));
+        } catch (IOException e) {
+            log.warn("Unable to write default cluster definition", e);
+        }
+    }
+
+    /**
+     * Returns the address that matches the IP prefix given in ONOS_NIC
+     * environment variable if one was specified, or the first site local
+     * address if one can be found or the loopback address otherwise.
+     *
+     * @return site-local address in string form
+     */
+    public static String getSiteLocalAddress() {
+        try {
+            String ipPrefix = System.getenv(ONOS_NIC);
+            for (NetworkInterface nif : list(getNetworkInterfaces())) {
+                for (InetAddress address : list(nif.getInetAddresses())) {
+                    IpAddress ip = IpAddress.valueOf(address);
+                    if (ipPrefix == null && address.isSiteLocalAddress() ||
+                            ipPrefix != null && matchInterface(ip.toString(), ipPrefix)) {
+                        return ip.toString();
+                    }
+                }
+            }
+        } catch (SocketException e) {
+            log.error("Unable to get network interfaces", e);
+        }
+
+        return IpAddress.valueOf(InetAddress.getLoopbackAddress()).toString();
+    }
+}
diff --git a/core/store/dist/src/main/java/org/onosproject/store/cluster/impl/DistributedClusterStore.java b/core/store/dist/src/main/java/org/onosproject/store/cluster/impl/DistributedClusterStore.java
index 149a858..ec297e2 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/cluster/impl/DistributedClusterStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/cluster/impl/DistributedClusterStore.java
@@ -17,17 +17,17 @@
 
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Maps;
-import com.google.common.collect.Sets;
-import com.hazelcast.util.AddressUtil;
 
 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.joda.time.DateTime;
-import org.onlab.netty.NettyMessagingManager;
 import org.onlab.packet.IpAddress;
 import org.onlab.util.KryoNamespace;
+import org.onosproject.cluster.ClusterDefinitionService;
 import org.onosproject.cluster.ClusterEvent;
 import org.onosproject.cluster.ClusterStore;
 import org.onosproject.cluster.ClusterStoreDelegate;
@@ -37,18 +37,12 @@
 import org.onosproject.cluster.NodeId;
 import org.onosproject.store.AbstractStore;
 import org.onosproject.store.cluster.messaging.Endpoint;
-import org.onosproject.store.consistent.impl.DatabaseDefinition;
-import org.onosproject.store.consistent.impl.DatabaseDefinitionStore;
+import org.onosproject.store.cluster.messaging.MessagingService;
 import org.onosproject.store.serializers.KryoNamespaces;
 import org.onosproject.store.serializers.KryoSerializer;
 import org.slf4j.Logger;
 
-import java.io.File;
 import java.io.IOException;
-import java.net.InetAddress;
-import java.net.NetworkInterface;
-import java.net.SocketException;
-import java.util.Enumeration;
 import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.ExecutorService;
@@ -59,12 +53,7 @@
 import java.util.stream.Collectors;
 
 import static com.google.common.base.Preconditions.checkNotNull;
-import static com.hazelcast.util.AddressUtil.matchInterface;
-import static java.net.NetworkInterface.getNetworkInterfaces;
-import static java.util.Collections.list;
 import static org.onlab.util.Tools.groupedThreads;
-import static org.onosproject.cluster.DefaultControllerNode.DEFAULT_PORT;
-import static org.onosproject.store.consistent.impl.DatabaseManager.PARTITION_DEFINITION_FILE;
 import static org.slf4j.LoggerFactory.getLogger;
 
 @Component(immediate = true)
@@ -79,11 +68,9 @@
 
     private static final Logger log = getLogger(DistributedClusterStore.class);
 
-    public static final String CLUSTER_DEFINITION_FILE = "../config/cluster.json";
     public static final String HEARTBEAT_MESSAGE = "onos-cluster-heartbeat";
 
     // TODO: make these configurable.
-    private static final int HEARTBEAT_FD_PORT = 2419;
     private static final int HEARTBEAT_INTERVAL_MS = 100;
     private static final int PHI_FAILURE_THRESHOLD = 10;
 
@@ -99,16 +86,10 @@
     };
 
     private static final String INSTANCE_ID_NULL = "Instance ID cannot be null";
-    private static final byte SITE_LOCAL_BYTE = (byte) 0xC0;
-    private static final String ONOS_NIC = "ONOS_NIC";
 
-    private ClusterDefinition clusterDefinition;
-
-    private Set<ControllerNode> seedNodes;
     private final Map<NodeId, ControllerNode> allNodes = Maps.newConcurrentMap();
     private final Map<NodeId, State> nodeStates = Maps.newConcurrentMap();
     private final Map<NodeId, DateTime> nodeStateLastUpdatedTimes = Maps.newConcurrentMap();
-    private NettyMessagingManager messagingService;
     private ScheduledExecutorService heartBeatSender = Executors.newSingleThreadScheduledExecutor(
             groupedThreads("onos/cluster/membership", "heartbeat-sender"));
     private ExecutorService heartBeatMessageHandler = Executors.newSingleThreadExecutor(
@@ -118,45 +99,16 @@
 
     private ControllerNode localNode;
 
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected ClusterDefinitionService clusterDefinitionService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected MessagingService messagingService;
+
     @Activate
     public void activate() {
-        File clusterDefinitionFile = new File(CLUSTER_DEFINITION_FILE);
-        ClusterDefinitionStore clusterDefinitionStore =
-                new ClusterDefinitionStore(clusterDefinitionFile.getPath());
+        localNode = clusterDefinitionService.localNode();
 
-        if (!clusterDefinitionFile.exists()) {
-            createDefaultClusterDefinition(clusterDefinitionStore);
-        }
-
-        try {
-            clusterDefinition = clusterDefinitionStore.read();
-            seedNodes = ImmutableSet
-                    .copyOf(clusterDefinition.getNodes())
-                    .stream()
-                    .map(n -> new DefaultControllerNode(new NodeId(n.getId()),
-                                                        IpAddress.valueOf(n.getIp()),
-                                                        n.getTcpPort()))
-                    .collect(Collectors.toSet());
-        } catch (IOException e) {
-            throw new IllegalStateException("Failed to read cluster definition.", e);
-        }
-
-        seedNodes.forEach(node -> {
-            allNodes.put(node.id(), node);
-            updateState(node.id(), State.INACTIVE);
-        });
-
-        establishSelfIdentity();
-
-        messagingService = new NettyMessagingManager(HEARTBEAT_FD_PORT);
-        try {
-            messagingService.activate();
-        } catch (InterruptedException e) {
-            Thread.currentThread().interrupt();
-            throw new IllegalStateException(
-                    "Failed to cleanly initialize membership and"
-                            + " failure detector communication channel.", e);
-        }
         messagingService.registerHandler(HEARTBEAT_MESSAGE,
                                          new HeartbeatMessageHandler(), heartBeatMessageHandler);
 
@@ -165,56 +117,15 @@
         heartBeatSender.scheduleWithFixedDelay(this::heartbeat, 0,
                                                HEARTBEAT_INTERVAL_MS, TimeUnit.MILLISECONDS);
 
+        addNode(localNode);
+        updateState(localNode.id(), State.ACTIVE);
+
         log.info("Started");
     }
 
-    private void createDefaultClusterDefinition(ClusterDefinitionStore store) {
-        // Assumes IPv4 is returned.
-        String ip = DistributedClusterStore.getSiteLocalAddress();
-        String ipPrefix = ip.replaceFirst("\\.[0-9]*$", ".*");
-        NodeInfo node = NodeInfo.from(ip, ip, DEFAULT_PORT);
-        try {
-            store.write(ClusterDefinition.from(ImmutableSet.of(node), ipPrefix));
-        } catch (IOException e) {
-            log.warn("Unable to write default cluster definition", e);
-        }
-    }
-
-    /**
-     * Returns the address that matches the IP prefix given in ONOS_NIC
-     * environment variable if one was specified, or the first site local
-     * address if one can be found or the loopback address otherwise.
-     *
-     * @return site-local address in string form
-     */
-    public static String getSiteLocalAddress() {
-        try {
-            String ipPrefix = System.getenv(ONOS_NIC);
-            for (NetworkInterface nif : list(getNetworkInterfaces())) {
-                for (InetAddress address : list(nif.getInetAddresses())) {
-                    IpAddress ip = IpAddress.valueOf(address);
-                    if (ipPrefix == null && address.isSiteLocalAddress() ||
-                            ipPrefix != null && matchInterface(ip.toString(), ipPrefix)) {
-                        return ip.toString();
-                    }
-                }
-            }
-
-        } catch (SocketException e) {
-            log.error("Unable to get network interfaces", e);
-        }
-
-        return IpAddress.valueOf(InetAddress.getLoopbackAddress()).toString();
-    }
-
     @Deactivate
     public void deactivate() {
-        try {
-            messagingService.deactivate();
-        } catch (Exception e) {
-            log.trace("Failed to cleanly shutdown cluster membership messaging", e);
-        }
-
+        messagingService.unregisterHandler(HEARTBEAT_MESSAGE);
         heartBeatSender.shutdownNow();
         heartBeatMessageHandler.shutdownNow();
 
@@ -262,9 +173,7 @@
     @Override
     public ControllerNode addNode(NodeId nodeId, IpAddress ip, int tcpPort) {
         ControllerNode node = new DefaultControllerNode(nodeId, ip, tcpPort);
-        allNodes.put(node.id(), node);
-        updateState(nodeId, State.INACTIVE);
-        notifyDelegate(new ClusterEvent(ClusterEvent.Type.INSTANCE_ADDED, node));
+        addNode(node);
         return node;
     }
 
@@ -278,22 +187,10 @@
         }
     }
 
-    @Override
-    public void formCluster(Set<ControllerNode> nodes, String ipPrefix) {
-        try {
-            Set<NodeInfo> infos = Sets.newHashSet();
-            nodes.forEach(n -> infos.add(NodeInfo.from(n.id().toString(),
-                                                       n.ip().toString(),
-                                                       n.tcpPort())));
-
-            ClusterDefinition cdef = ClusterDefinition.from(infos, ipPrefix);
-            new ClusterDefinitionStore(CLUSTER_DEFINITION_FILE).write(cdef);
-
-            DatabaseDefinition ddef = DatabaseDefinition.from(infos);
-            new DatabaseDefinitionStore(PARTITION_DEFINITION_FILE).write(ddef);
-        } catch (IOException e) {
-            log.error("Unable to form cluster", e);
-        }
+    private void addNode(ControllerNode node) {
+        allNodes.put(node.id(), node);
+        updateState(node.id(), State.INACTIVE);
+        notifyDelegate(new ClusterEvent(ClusterEvent.Type.INSTANCE_ADDED, node));
     }
 
     private void updateState(NodeId nodeId, State newState) {
@@ -301,18 +198,6 @@
         nodeStateLastUpdatedTimes.put(nodeId, DateTime.now());
     }
 
-    private void establishSelfIdentity() {
-        try {
-            IpAddress ip = findLocalIp();
-            localNode = new DefaultControllerNode(new NodeId(ip.toString()), ip);
-            allNodes.put(localNode.id(), localNode);
-            updateState(localNode.id(), State.ACTIVE);
-            log.info("Local Node: {}", localNode);
-        } catch (SocketException e) {
-            throw new IllegalStateException("Cannot determine local IP", e);
-        }
-    }
-
     private void heartbeat() {
         try {
             Set<ControllerNode> peers = allNodes.values()
@@ -351,7 +236,7 @@
     }
 
     private void heartbeatToPeer(byte[] messagePayload, ControllerNode peer) {
-        Endpoint remoteEp = new Endpoint(peer.ip(), HEARTBEAT_FD_PORT);
+        Endpoint remoteEp = new Endpoint(peer.ip(), peer.tcpPort());
         try {
             messagingService.sendAsync(remoteEp, HEARTBEAT_MESSAGE, messagePayload);
         } catch (IOException e) {
@@ -359,22 +244,6 @@
         }
     }
 
-    private IpAddress findLocalIp() throws SocketException {
-        Enumeration<NetworkInterface> interfaces =
-                NetworkInterface.getNetworkInterfaces();
-        while (interfaces.hasMoreElements()) {
-            NetworkInterface iface = interfaces.nextElement();
-            Enumeration<InetAddress> inetAddresses = iface.getInetAddresses();
-            while (inetAddresses.hasMoreElements()) {
-                IpAddress ip = IpAddress.valueOf(inetAddresses.nextElement());
-                if (AddressUtil.matchInterface(ip.toString(), clusterDefinition.getIpPrefix())) {
-                    return ip;
-                }
-            }
-        }
-        throw new IllegalStateException("Unable to determine local ip");
-    }
-
     private class HeartbeatMessageHandler implements Consumer<byte[]> {
         @Override
         public void accept(byte[] message) {
diff --git a/core/store/dist/src/main/java/org/onosproject/store/cluster/impl/HazelcastClusterStore.java b/core/store/dist/src/main/java/org/onosproject/store/cluster/impl/HazelcastClusterStore.java
index e88e2d2..c7be0db 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/cluster/impl/HazelcastClusterStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/cluster/impl/HazelcastClusterStore.java
@@ -130,11 +130,6 @@
     }
 
     @Override
-    public void formCluster(Set<ControllerNode> nodes, String ipPrefix) {
-        throw new UnsupportedOperationException("formCluster not implemented");
-    }
-
-    @Override
     public ControllerNode addNode(NodeId nodeId, IpAddress ip, int tcpPort) {
         return addNode(new DefaultControllerNode(nodeId, ip, tcpPort));
     }
diff --git a/core/store/dist/src/main/java/org/onosproject/store/cluster/messaging/impl/ClusterCommunicationManager.java b/core/store/dist/src/main/java/org/onosproject/store/cluster/messaging/impl/ClusterCommunicationManager.java
index 1a4512d..7475819 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/cluster/messaging/impl/ClusterCommunicationManager.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/cluster/messaging/impl/ClusterCommunicationManager.java
@@ -21,8 +21,6 @@
 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.NettyMessagingManager;
-import org.onlab.nio.service.IOLoopMessagingManager;
 import org.onosproject.cluster.ClusterService;
 import org.onosproject.cluster.ControllerNode;
 import org.onosproject.cluster.NodeId;
@@ -60,47 +58,16 @@
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     private ClusterService clusterService;
 
-    // TODO: This probably should not be a OSGi service.
-    private MessagingService messagingService;
-
-    private final boolean useNetty = true;
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected MessagingService messagingService;
 
     @Activate
     public void activate() {
-        ControllerNode localNode = clusterService.getLocalNode();
-        if (useNetty) {
-            NettyMessagingManager netty = new NettyMessagingManager(localNode.ip(), localNode.tcpPort());
-            try {
-                netty.activate();
-                messagingService = netty;
-            } catch (Exception e) {
-                log.error("NettyMessagingService#activate", e);
-            }
-        } else {
-            IOLoopMessagingManager ioLoop = new IOLoopMessagingManager(localNode.ip(), localNode.tcpPort());
-            try {
-                ioLoop.activate();
-                messagingService = ioLoop;
-            } catch (Exception e) {
-                log.error("IOLoopMessagingService#activate", e);
-            }
-        }
-        log.info("Started on {}:{}", localNode.ip(), localNode.tcpPort());
+        log.info("Started");
     }
 
     @Deactivate
     public void deactivate() {
-        // TODO: cleanup messageingService if needed.
-        // FIXME: workaround until it becomes a service.
-        try {
-            if (useNetty) {
-                ((NettyMessagingManager) messagingService).deactivate();
-            } else {
-                ((IOLoopMessagingManager) messagingService).deactivate();
-            }
-        } catch (Exception e) {
-            log.error("MessagingService#deactivate", e);
-        }
         log.info("Stopped");
     }
 
diff --git a/core/store/dist/src/main/java/org/onosproject/store/cluster/messaging/impl/IOLoopMessagingManager.java b/core/store/dist/src/main/java/org/onosproject/store/cluster/messaging/impl/IOLoopMessagingManager.java
new file mode 100644
index 0000000..9e52c3e
--- /dev/null
+++ b/core/store/dist/src/main/java/org/onosproject/store/cluster/messaging/impl/IOLoopMessagingManager.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.nio.service.IOLoopMessaging;
+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;
+
+/**
+ * IOLoop based MessagingService.
+ */
+@Component(immediate = true, enabled = false)
+@Service
+public class IOLoopMessagingManager extends IOLoopMessaging {
+
+    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");
+    }
+}
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");
+    }
+}
\ No newline at end of file
diff --git a/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DatabaseManager.java b/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DatabaseManager.java
index 71d1961..c06ebdf 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DatabaseManager.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DatabaseManager.java
@@ -45,7 +45,7 @@
 import org.apache.felix.scr.annotations.Service;
 import org.onosproject.cluster.ClusterService;
 import org.onosproject.core.IdGenerator;
-import org.onosproject.store.cluster.impl.DistributedClusterStore;
+import org.onosproject.store.cluster.impl.ClusterDefinitionManager;
 import org.onosproject.store.cluster.impl.NodeInfo;
 import org.onosproject.store.cluster.messaging.ClusterCommunicationService;
 import org.onosproject.store.ecmap.EventuallyConsistentMapBuilderImpl;
@@ -193,7 +193,7 @@
 
     private void createDefaultDatabaseDefinition(DatabaseDefinitionStore store) {
         // Assumes IPv4 is returned.
-        String ip = DistributedClusterStore.getSiteLocalAddress();
+        String ip = ClusterDefinitionManager.getSiteLocalAddress();
         NodeInfo node = NodeInfo.from(ip, ip, COPYCAT_TCP_PORT);
         try {
             store.write(DatabaseDefinition.from(ImmutableSet.of(node)));
diff --git a/core/store/dist/src/main/java/org/onosproject/store/hz/StoreManager.java b/core/store/dist/src/main/java/org/onosproject/store/hz/StoreManager.java
index dc159af..5cb5757 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/hz/StoreManager.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/hz/StoreManager.java
@@ -26,7 +26,7 @@
 import org.apache.felix.scr.annotations.Component;
 import org.apache.felix.scr.annotations.Deactivate;
 import org.apache.felix.scr.annotations.Service;
-import org.onosproject.store.cluster.impl.DistributedClusterStore;
+import org.onosproject.store.cluster.impl.ClusterDefinitionManager;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -66,7 +66,7 @@
     }
 
     private void createDefaultHazelcastFile(File hazelcastFile) {
-        String ip = DistributedClusterStore.getSiteLocalAddress();
+        String ip = ClusterDefinitionManager.getSiteLocalAddress();
         String ipPrefix = ip.replaceFirst("\\.[0-9]*$", ".*");
         InputStream his = getClass().getResourceAsStream("/hazelcast.xml");
         try {
diff --git a/core/store/dist/src/main/java/org/onosproject/store/mastership/impl/ConsistentDeviceMastershipStore.java b/core/store/dist/src/main/java/org/onosproject/store/mastership/impl/ConsistentDeviceMastershipStore.java
index 292330c..43af1b1 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/mastership/impl/ConsistentDeviceMastershipStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/mastership/impl/ConsistentDeviceMastershipStore.java
@@ -140,7 +140,7 @@
         localNodeId = clusterService.getLocalNode().id();
         leadershipService.addListener(leadershipEventListener);
 
-        log.info("Started.");
+        log.info("Started");
     }
 
     @Deactivate
@@ -151,7 +151,7 @@
         transferExecutor.shutdown();
         leadershipService.removeListener(leadershipEventListener);
 
-        log.info("Stoppped.");
+        log.info("Stopped");
     }
 
     @Override
diff --git a/core/store/dist/src/test/java/org/onosproject/store/cluster/messaging/impl/ClusterCommunicationManagerTest.java b/core/store/dist/src/test/java/org/onosproject/store/cluster/messaging/impl/ClusterCommunicationManagerTest.java
index 1a106ba..0dcc6a1 100644
--- a/core/store/dist/src/test/java/org/onosproject/store/cluster/messaging/impl/ClusterCommunicationManagerTest.java
+++ b/core/store/dist/src/test/java/org/onosproject/store/cluster/messaging/impl/ClusterCommunicationManagerTest.java
@@ -22,7 +22,6 @@
 import org.onosproject.cluster.DefaultControllerNode;
 import org.onosproject.cluster.NodeId;
 import org.onosproject.store.cluster.impl.ClusterNodesDelegate;
-import org.onlab.netty.NettyMessagingManager;
 import org.onlab.packet.IpAddress;
 
 import java.util.concurrent.CountDownLatch;
diff --git a/core/store/trivial/src/main/java/org/onosproject/store/trivial/impl/SimpleClusterStore.java b/core/store/trivial/src/main/java/org/onosproject/store/trivial/impl/SimpleClusterStore.java
index ffc67e3..8fde858 100644
--- a/core/store/trivial/src/main/java/org/onosproject/store/trivial/impl/SimpleClusterStore.java
+++ b/core/store/trivial/src/main/java/org/onosproject/store/trivial/impl/SimpleClusterStore.java
@@ -93,11 +93,6 @@
     }
 
     @Override
-    public void formCluster(Set<ControllerNode> nodes, String ipPrefix) {
-
-    }
-
-    @Override
     public ControllerNode addNode(NodeId nodeId, IpAddress ip, int tcpPort) {
         return null;
     }