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
8 package org.opendaylight.netconf.topology.singleton.impl;
10 import static java.util.Objects.requireNonNull;
12 import akka.actor.ActorRef;
13 import akka.cluster.Cluster;
14 import akka.dispatch.OnComplete;
15 import akka.pattern.Patterns;
16 import akka.util.Timeout;
17 import com.google.common.util.concurrent.ListenableFuture;
18 import java.util.concurrent.atomic.AtomicBoolean;
19 import org.eclipse.jdt.annotation.NonNull;
20 import org.opendaylight.mdsal.dom.api.DOMMountPointService;
21 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonService;
22 import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
23 import org.opendaylight.netconf.sal.connect.api.DeviceActionFactory;
24 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
25 import org.opendaylight.netconf.topology.singleton.api.RemoteDeviceConnector;
26 import org.opendaylight.netconf.topology.singleton.impl.actors.NetconfNodeActor;
27 import org.opendaylight.netconf.topology.singleton.impl.utils.NetconfTopologySetup;
28 import org.opendaylight.netconf.topology.singleton.impl.utils.NetconfTopologyUtils;
29 import org.opendaylight.netconf.topology.singleton.messages.RefreshSetupMasterActorData;
30 import org.opendaylight.netconf.topology.spi.NetconfNodeUtils;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
32 import org.opendaylight.yangtools.util.concurrent.FluentFutures;
33 import org.slf4j.Logger;
34 import org.slf4j.LoggerFactory;
35 import scala.concurrent.Future;
37 class NetconfTopologyContext implements ClusterSingletonService, AutoCloseable {
39 private static final Logger LOG = LoggerFactory.getLogger(NetconfTopologyContext.class);
41 private final ServiceGroupIdentifier serviceGroupIdent;
42 private final Timeout actorResponseWaitTime;
43 private final DOMMountPointService mountService;
44 private final DeviceActionFactory deviceActionFactory;
46 private NetconfTopologySetup netconfTopologyDeviceSetup;
47 private RemoteDeviceId remoteDeviceId;
48 private RemoteDeviceConnector remoteDeviceConnector;
49 private NetconfNodeManager netconfNodeManager;
50 private ActorRef masterActorRef;
51 private final AtomicBoolean closed = new AtomicBoolean(false);
52 private final AtomicBoolean stopped = new AtomicBoolean(false);
53 private volatile boolean isMaster;
55 NetconfTopologyContext(final NetconfTopologySetup netconfTopologyDeviceSetup,
56 final ServiceGroupIdentifier serviceGroupIdent, final Timeout actorResponseWaitTime,
57 final DOMMountPointService mountService, final DeviceActionFactory deviceActionFactory) {
58 this.netconfTopologyDeviceSetup = requireNonNull(netconfTopologyDeviceSetup);
59 this.serviceGroupIdent = serviceGroupIdent;
60 this.actorResponseWaitTime = actorResponseWaitTime;
61 this.mountService = mountService;
62 this.deviceActionFactory = deviceActionFactory;
64 final var node = netconfTopologyDeviceSetup.getNode();
65 remoteDeviceId = NetconfNodeUtils.toRemoteDeviceId(node.getNodeId(), node.augmentation(NetconfNode.class));
66 remoteDeviceConnector = new RemoteDeviceConnectorImpl(netconfTopologyDeviceSetup, remoteDeviceId,
68 netconfNodeManager = createNodeDeviceManager();
72 public void instantiateServiceInstance() {
73 LOG.info("Master was selected: {}", remoteDeviceId.getHost().getIpAddress());
77 // master should not listen on netconf-node operational datastore
78 if (netconfNodeManager != null) {
79 netconfNodeManager.close();
80 netconfNodeManager = null;
84 final String masterAddress =
85 Cluster.get(netconfTopologyDeviceSetup.getActorSystem()).selfAddress().toString();
86 masterActorRef = netconfTopologyDeviceSetup.getActorSystem().actorOf(NetconfNodeActor.props(
87 netconfTopologyDeviceSetup, remoteDeviceId, actorResponseWaitTime, mountService),
88 NetconfTopologyUtils.createMasterActorName(remoteDeviceId.getName(), masterAddress));
90 remoteDeviceConnector.startRemoteDeviceConnection(newMasterSalFacade());
95 // called when master is down/changed to slave
97 public ListenableFuture<?> closeServiceInstance() {
100 // in case that master changes role to slave, new NodeDeviceManager must be created and listener registered
101 netconfNodeManager = createNodeDeviceManager();
103 stopDeviceConnectorAndActor();
105 return FluentFutures.immediateNullFluentFuture();
109 public ServiceGroupIdentifier getIdentifier() {
110 return serviceGroupIdent;
113 private NetconfNodeManager createNodeDeviceManager() {
114 final NetconfNodeManager ndm =
115 new NetconfNodeManager(netconfTopologyDeviceSetup, remoteDeviceId, actorResponseWaitTime, mountService);
116 ndm.registerDataTreeChangeListener(netconfTopologyDeviceSetup.getTopologyId(),
117 netconfTopologyDeviceSetup.getNode().key());
123 public void close() {
124 if (!closed.compareAndSet(false, true)) {
128 if (netconfNodeManager != null) {
129 netconfNodeManager.close();
131 stopDeviceConnectorAndActor();
136 * Refresh, if configuration data was changed.
137 * @param setup new setup
139 void refresh(final @NonNull NetconfTopologySetup setup) {
140 netconfTopologyDeviceSetup = requireNonNull(setup);
141 final var node = netconfTopologyDeviceSetup.getNode();
142 remoteDeviceId = NetconfNodeUtils.toRemoteDeviceId(node.getNodeId(), node.augmentation(NetconfNode.class));
145 remoteDeviceConnector.stopRemoteDeviceConnection();
148 netconfNodeManager.refreshDevice(netconfTopologyDeviceSetup, remoteDeviceId);
150 remoteDeviceConnector = new RemoteDeviceConnectorImpl(netconfTopologyDeviceSetup, remoteDeviceId,
151 deviceActionFactory);
154 final Future<Object> future = Patterns.ask(masterActorRef, new RefreshSetupMasterActorData(
155 netconfTopologyDeviceSetup, remoteDeviceId), actorResponseWaitTime);
156 future.onComplete(new OnComplete<Object>() {
158 public void onComplete(final Throwable failure, final Object success) {
159 if (failure != null) {
160 LOG.error("Failed to refresh master actor data", failure);
163 remoteDeviceConnector.startRemoteDeviceConnection(newMasterSalFacade());
165 }, netconfTopologyDeviceSetup.getActorSystem().dispatcher());
169 private void stopDeviceConnectorAndActor() {
170 if (!stopped.compareAndSet(false, true)) {
173 if (remoteDeviceConnector != null) {
174 remoteDeviceConnector.stopRemoteDeviceConnection();
177 if (masterActorRef != null) {
178 netconfTopologyDeviceSetup.getActorSystem().stop(masterActorRef);
179 masterActorRef = null;
183 protected MasterSalFacade newMasterSalFacade() {
184 return new MasterSalFacade(remoteDeviceId, netconfTopologyDeviceSetup.getActorSystem(), masterActorRef,
185 actorResponseWaitTime, mountService, netconfTopologyDeviceSetup.getDataBroker());