1 files changed, 156 insertions, 0 deletions
diff --git a/framework/src/onos/core/net/src/main/java/org/onosproject/cluster/impl/ClusterManager.java b/framework/src/onos/core/net/src/main/java/org/onosproject/cluster/impl/ClusterManager.java
new file mode 100644
index 00000000..04d1dfdf
--- /dev/null
+++ b/framework/src/onos/core/net/src/main/java/org/onosproject/cluster/impl/ClusterManager.java
@@ -0,0 +1,156 @@
+/*
+ * Copyright 2014-2015 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.cluster.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.apache.karaf.system.SystemService;
+import org.joda.time.DateTime;
+import org.onlab.packet.IpAddress;
+import org.onosproject.cluster.ClusterAdminService;
+import org.onosproject.cluster.ClusterDefinitionService;
+import org.onosproject.cluster.ClusterEvent;
+import org.onosproject.cluster.ClusterEventListener;
+import org.onosproject.cluster.ClusterService;
+import org.onosproject.cluster.ClusterStore;
+import org.onosproject.cluster.ClusterStoreDelegate;
+import org.onosproject.cluster.ControllerNode;
+import org.onosproject.cluster.NodeId;
+import org.onosproject.event.AbstractListenerManager;
+import org.slf4j.Logger;
+
+import java.util.Set;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+import static org.onosproject.security.AppGuard.checkPermission;
+import static org.slf4j.LoggerFactory.getLogger;
+import static org.onosproject.security.AppPermission.Type.*;
+
+
+
+/**
+ * Implementation of the cluster service.
+ */
+@Component(immediate = true)
+@Service
+public class ClusterManager
+        extends AbstractListenerManager<ClusterEvent, ClusterEventListener>
+        implements ClusterService, ClusterAdminService {
+
+    public static final String INSTANCE_ID_NULL = "Instance ID cannot be null";
+    private final Logger log = getLogger(getClass());
+
+    private ClusterStoreDelegate delegate = new InternalStoreDelegate();
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected ClusterDefinitionService clusterDefinitionService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected ClusterStore store;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected SystemService systemService;
+
+    @Activate
+    public void activate() {
+        store.setDelegate(delegate);
+        eventDispatcher.addSink(ClusterEvent.class, listenerRegistry);
+        clusterDefinitionService.seedNodes()
+                                .forEach(node -> store.addNode(node.id(), node.ip(), node.tcpPort()));
+        log.info("Started");
+    }
+
+    @Deactivate
+    public void deactivate() {
+        store.unsetDelegate(delegate);
+        eventDispatcher.removeSink(ClusterEvent.class);
+        log.info("Stopped");
+    }
+
+    @Override
+    public ControllerNode getLocalNode() {
+        checkPermission(CLUSTER_READ);
+        return store.getLocalNode();
+    }
+
+    @Override
+    public Set<ControllerNode> getNodes() {
+        checkPermission(CLUSTER_READ);
+        return store.getNodes();
+    }
+
+    @Override
+    public ControllerNode getNode(NodeId nodeId) {
+        checkPermission(CLUSTER_READ);
+        checkNotNull(nodeId, INSTANCE_ID_NULL);
+        return store.getNode(nodeId);
+    }
+
+    @Override
+    public ControllerNode.State getState(NodeId nodeId) {
+        checkPermission(CLUSTER_READ);
+        checkNotNull(nodeId, INSTANCE_ID_NULL);
+        return store.getState(nodeId);
+    }
+
+
+    @Override
+    public DateTime getLastUpdated(NodeId nodeId) {
+        checkPermission(CLUSTER_READ);
+        return store.getLastUpdated(nodeId);
+    }
+
+    @Override
+    public void formCluster(Set<ControllerNode> nodes, String ipPrefix) {
+        checkNotNull(nodes, "Nodes cannot be null");
+        checkArgument(!nodes.isEmpty(), "Nodes cannot be empty");
+        checkNotNull(ipPrefix, "IP prefix cannot be null");
+        clusterDefinitionService.formCluster(nodes, ipPrefix);
+        try {
+            log.warn("Shutting down container for cluster reconfiguration!");
+            systemService.reboot("now", SystemService.Swipe.NONE);
+        } catch (Exception e) {
+            log.error("Unable to reboot container", e);
+        }
+    }
+
+    @Override
+    public ControllerNode addNode(NodeId nodeId, IpAddress ip, int tcpPort) {
+        checkNotNull(nodeId, INSTANCE_ID_NULL);
+        checkNotNull(ip, "IP address cannot be null");
+        checkArgument(tcpPort > 5000, "TCP port must be > 5000");
+        return store.addNode(nodeId, ip, tcpPort);
+    }
+
+    @Override
+    public void removeNode(NodeId nodeId) {
+        checkNotNull(nodeId, INSTANCE_ID_NULL);
+        store.removeNode(nodeId);
+    }
+
+    // Store delegate to re-post events emitted from the store.
+    private class InternalStoreDelegate implements ClusterStoreDelegate {
+        @Override
+        public void notify(ClusterEvent event) {
+            post(event);
+        }
+    }
+}