2 * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.netconf.topology.singleton.impl;
11 import static org.opendaylight.netconf.topology.singleton.impl.utils.NetconfTopologyUtils.DEFAULT_SCHEMA_REPOSITORY;
13 import akka.actor.ActorRef;
14 import akka.cluster.Cluster;
15 import akka.dispatch.OnComplete;
16 import akka.pattern.Patterns;
17 import akka.util.Timeout;
18 import com.google.common.base.Preconditions;
19 import com.google.common.util.concurrent.Futures;
20 import com.google.common.util.concurrent.ListenableFuture;
21 import javax.annotation.Nonnull;
22 import org.opendaylight.controller.md.sal.dom.api.DOMMountPointService;
23 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonService;
24 import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
25 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
26 import org.opendaylight.netconf.topology.singleton.api.RemoteDeviceConnector;
27 import org.opendaylight.netconf.topology.singleton.impl.actors.NetconfNodeActor;
28 import org.opendaylight.netconf.topology.singleton.impl.utils.NetconfTopologySetup;
29 import org.opendaylight.netconf.topology.singleton.impl.utils.NetconfTopologyUtils;
30 import org.opendaylight.netconf.topology.singleton.messages.RefreshSetupMasterActorData;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
32 import org.slf4j.Logger;
33 import org.slf4j.LoggerFactory;
34 import scala.concurrent.Future;
36 class NetconfTopologyContext implements ClusterSingletonService {
38 private static final Logger LOG = LoggerFactory.getLogger(NetconfTopologyContext.class);
40 private final ServiceGroupIdentifier serviceGroupIdent;
41 private final Timeout actorResponseWaitTime;
42 private final DOMMountPointService mountService;
44 private NetconfTopologySetup netconfTopologyDeviceSetup;
45 private RemoteDeviceId remoteDeviceId;
46 private RemoteDeviceConnector remoteDeviceConnector;
47 private NetconfNodeManager netconfNodeManager;
48 private ActorRef masterActorRef;
49 private boolean finalClose = false;
50 private boolean closed = false;
51 private boolean isMaster;
53 NetconfTopologyContext(final NetconfTopologySetup netconfTopologyDeviceSetup,
54 final ServiceGroupIdentifier serviceGroupIdent,
55 final Timeout actorResponseWaitTime, final DOMMountPointService mountService) {
56 this.netconfTopologyDeviceSetup = Preconditions.checkNotNull(netconfTopologyDeviceSetup);
57 this.serviceGroupIdent = serviceGroupIdent;
58 this.actorResponseWaitTime = actorResponseWaitTime;
59 this.mountService = mountService;
61 remoteDeviceId = NetconfTopologyUtils.createRemoteDeviceId(netconfTopologyDeviceSetup.getNode().getNodeId(),
62 netconfTopologyDeviceSetup.getNode().getAugmentation(NetconfNode.class));
64 remoteDeviceConnector = new RemoteDeviceConnectorImpl(netconfTopologyDeviceSetup, remoteDeviceId,
65 actorResponseWaitTime, mountService);
67 netconfNodeManager = createNodeDeviceManager();
71 public void instantiateServiceInstance() {
72 LOG.info("Master was selected: {}", remoteDeviceId.getHost().getIpAddress());
76 // master should not listen on netconf-node operational datastore
77 if (netconfNodeManager != null) {
78 netconfNodeManager.close();
79 netconfNodeManager = null;
83 final String masterAddress = Cluster.get(netconfTopologyDeviceSetup.getActorSystem()).selfAddress().toString();
84 masterActorRef = netconfTopologyDeviceSetup.getActorSystem().actorOf(NetconfNodeActor.props(
85 netconfTopologyDeviceSetup, remoteDeviceId, DEFAULT_SCHEMA_REPOSITORY, DEFAULT_SCHEMA_REPOSITORY,
86 actorResponseWaitTime, mountService),
87 NetconfTopologyUtils.createMasterActorName(remoteDeviceId.getName(), masterAddress));
89 remoteDeviceConnector.startRemoteDeviceConnection(masterActorRef);
94 // called when master is down/changed to slave
96 public ListenableFuture<Void> closeServiceInstance() {
99 // in case that master changes role to slave, new NodeDeviceManager must be created and listener registered
100 netconfNodeManager = createNodeDeviceManager();
102 stopDeviceConnectorAndActor();
104 return Futures.immediateCheckedFuture(null);
108 public ServiceGroupIdentifier getIdentifier() {
109 return serviceGroupIdent;
112 private NetconfNodeManager createNodeDeviceManager() {
113 final NetconfNodeManager ndm =
114 new NetconfNodeManager(netconfTopologyDeviceSetup, remoteDeviceId, actorResponseWaitTime, mountService);
115 ndm.registerDataTreeChangeListener(netconfTopologyDeviceSetup.getTopologyId(),
116 netconfTopologyDeviceSetup.getNode().getKey());
121 void closeFinal() throws Exception {
124 if (netconfNodeManager != null) {
125 netconfNodeManager.close();
127 stopDeviceConnectorAndActor();
132 * If configuration data was changed
133 * @param setup new setup
135 void refresh(@Nonnull final NetconfTopologySetup setup) {
136 netconfTopologyDeviceSetup = Preconditions.checkNotNull(setup);
137 remoteDeviceId = NetconfTopologyUtils.createRemoteDeviceId(netconfTopologyDeviceSetup.getNode().getNodeId(),
138 netconfTopologyDeviceSetup.getNode().getAugmentation(NetconfNode.class));
141 remoteDeviceConnector.stopRemoteDeviceConnection();
144 netconfNodeManager.refreshDevice(netconfTopologyDeviceSetup, remoteDeviceId);
146 remoteDeviceConnector = new RemoteDeviceConnectorImpl(netconfTopologyDeviceSetup, remoteDeviceId,
147 actorResponseWaitTime, mountService);
150 final Future<Object> future = Patterns.ask(masterActorRef, new RefreshSetupMasterActorData(
151 netconfTopologyDeviceSetup, remoteDeviceId), actorResponseWaitTime);
153 future.onComplete(new OnComplete<Object>() {
155 public void onComplete(final Throwable failure, final Object success) throws Throwable {
156 if (failure != null) {
157 LOG.error("Failed to refresh master actor data: {}", failure);
160 remoteDeviceConnector.startRemoteDeviceConnection(masterActorRef);
162 }, netconfTopologyDeviceSetup.getActorSystem().dispatcher());
166 private synchronized void stopDeviceConnectorAndActor() {
170 if (remoteDeviceConnector != null) {
171 remoteDeviceConnector.stopRemoteDeviceConnection();
174 if (masterActorRef != null) {
175 netconfTopologyDeviceSetup.getActorSystem().stop(masterActorRef);
176 masterActorRef = null;