2 * Copyright (c) 2013 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.impl.osgi;
10 import com.google.common.base.Preconditions;
11 import io.netty.channel.local.LocalAddress;
12 import io.netty.channel.nio.NioEventLoopGroup;
13 import io.netty.util.HashedWheelTimer;
14 import java.util.Dictionary;
15 import java.util.Hashtable;
16 import java.util.concurrent.TimeUnit;
17 import org.opendaylight.netconf.api.monitoring.NetconfMonitoringService;
18 import org.opendaylight.netconf.impl.NetconfServerDispatcherImpl;
19 import org.opendaylight.netconf.impl.NetconfServerDispatcherImpl.ServerChannelInitializer;
20 import org.opendaylight.netconf.impl.NetconfServerSessionNegotiatorFactory;
21 import org.opendaylight.netconf.impl.NetconfServerSessionNegotiatorFactoryBuilder;
22 import org.opendaylight.netconf.impl.SessionIdProvider;
23 import org.opendaylight.netconf.mapping.api.NetconfOperationServiceFactoryListener;
24 import org.opendaylight.netconf.notifications.BaseNotificationPublisherRegistration;
25 import org.opendaylight.netconf.notifications.NetconfNotificationCollector;
26 import org.opendaylight.netconf.util.NetconfConfiguration;
27 import org.osgi.framework.BundleActivator;
28 import org.osgi.framework.BundleContext;
29 import org.osgi.framework.ServiceReference;
30 import org.osgi.framework.ServiceRegistration;
31 import org.osgi.util.tracker.ServiceTracker;
32 import org.osgi.util.tracker.ServiceTrackerCustomizer;
33 import org.slf4j.Logger;
34 import org.slf4j.LoggerFactory;
36 public class NetconfImplActivator implements BundleActivator {
38 private static final Logger LOG = LoggerFactory.getLogger(NetconfImplActivator.class);
40 private NetconfOperationServiceFactoryTracker factoriesTracker;
41 private NioEventLoopGroup eventLoopGroup;
42 private HashedWheelTimer timer;
43 private ServiceRegistration<NetconfMonitoringService> regMonitoring;
45 private BaseNotificationPublisherRegistration listenerReg;
47 @SuppressWarnings("checkstyle:IllegalCatch")
49 public void start(final BundleContext context) {
51 AggregatedNetconfOperationServiceFactory factoriesListener = new AggregatedNetconfOperationServiceFactory();
52 startOperationServiceFactoryTracker(context, factoriesListener);
54 SessionIdProvider idProvider = new SessionIdProvider();
55 timer = new HashedWheelTimer();
57 long connectionTimeoutMillis = NetconfConfiguration.DEFAULT_TIMEOUT_MILLIS;
59 final NetconfMonitoringServiceImpl monitoringService = startMonitoringService(context, factoriesListener);
61 NetconfServerSessionNegotiatorFactory serverNegotiatorFactory =
62 new NetconfServerSessionNegotiatorFactoryBuilder()
63 .setAggregatedOpService(factoriesListener)
65 .setIdProvider(idProvider)
66 .setMonitoringService(monitoringService)
67 .setConnectionTimeoutMillis(connectionTimeoutMillis)
70 eventLoopGroup = new NioEventLoopGroup();
72 ServerChannelInitializer serverChannelInitializer = new ServerChannelInitializer(
73 serverNegotiatorFactory);
74 NetconfServerDispatcherImpl dispatch = new NetconfServerDispatcherImpl(serverChannelInitializer,
75 eventLoopGroup, eventLoopGroup);
77 LocalAddress address = NetconfConfiguration.NETCONF_LOCAL_ADDRESS;
78 LOG.trace("Starting local netconf server at {}", address);
79 dispatch.createLocalServer(address);
81 final ServiceTracker<NetconfNotificationCollector, NetconfNotificationCollector>
82 notificationServiceTracker = new ServiceTracker<>(context, NetconfNotificationCollector.class,
83 new ServiceTrackerCustomizer<NetconfNotificationCollector, NetconfNotificationCollector>() {
85 public NetconfNotificationCollector addingService(ServiceReference<
86 NetconfNotificationCollector> reference) {
87 Preconditions.checkState(listenerReg == null,
88 "Notification collector service was already added");
89 listenerReg = context.getService(reference).registerBaseNotificationPublisher();
90 monitoringService.setNotificationPublisher(listenerReg);
95 public void modifiedService(ServiceReference<NetconfNotificationCollector> reference,
96 NetconfNotificationCollector service) {
101 public void removedService(ServiceReference<NetconfNotificationCollector> reference,
102 NetconfNotificationCollector service) {
105 monitoringService.setNotificationPublisher(listenerReg);
108 notificationServiceTracker.open();
109 } catch (Exception e) {
110 LOG.warn("Unable to start NetconfImplActivator", e);
114 private void startOperationServiceFactoryTracker(BundleContext context,
115 NetconfOperationServiceFactoryListener factoriesListener) {
116 factoriesTracker = new NetconfOperationServiceFactoryTracker(context, factoriesListener);
117 factoriesTracker.open();
120 private NetconfMonitoringServiceImpl startMonitoringService(
121 BundleContext context,
122 AggregatedNetconfOperationServiceFactory factoriesListener) {
123 NetconfMonitoringServiceImpl netconfMonitoringServiceImpl = new NetconfMonitoringServiceImpl(factoriesListener);
124 Dictionary<String, ?> dic = new Hashtable<>();
125 regMonitoring = context.registerService(NetconfMonitoringService.class, netconfMonitoringServiceImpl, dic);
127 return netconfMonitoringServiceImpl;
131 public void stop(final BundleContext context) {
132 LOG.info("Shutting down netconf because YangStoreService service was removed");
134 eventLoopGroup.shutdownGracefully(0, 1, TimeUnit.SECONDS);
137 regMonitoring.unregister();
138 factoriesTracker.close();