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.mapping.api.NetconfOperationServiceFactoryListener;
18 import org.opendaylight.netconf.notifications.BaseNotificationPublisherRegistration;
19 import org.opendaylight.netconf.notifications.NetconfNotificationCollector;
20 import org.opendaylight.netconf.util.osgi.NetconfConfigUtil;
21 import org.opendaylight.netconf.api.monitoring.NetconfMonitoringService;
22 import org.opendaylight.netconf.impl.NetconfServerDispatcherImpl;
23 import org.opendaylight.netconf.impl.NetconfServerDispatcherImpl.ServerChannelInitializer;
24 import org.opendaylight.netconf.impl.NetconfServerSessionNegotiatorFactory;
25 import org.opendaylight.netconf.impl.SessionIdProvider;
26 import org.osgi.framework.BundleActivator;
27 import org.osgi.framework.BundleContext;
28 import org.osgi.framework.ServiceReference;
29 import org.osgi.framework.ServiceRegistration;
30 import org.osgi.util.tracker.ServiceTracker;
31 import org.osgi.util.tracker.ServiceTrackerCustomizer;
32 import org.slf4j.Logger;
33 import org.slf4j.LoggerFactory;
35 public class NetconfImplActivator implements BundleActivator {
37 private static final Logger LOG = LoggerFactory.getLogger(NetconfImplActivator.class);
39 private NetconfOperationServiceFactoryTracker factoriesTracker;
40 private NioEventLoopGroup eventLoopGroup;
41 private HashedWheelTimer timer;
42 private ServiceRegistration<NetconfMonitoringService> regMonitoring;
44 private BaseNotificationPublisherRegistration listenerReg;
47 public void start(final BundleContext context) {
49 AggregatedNetconfOperationServiceFactory factoriesListener = new AggregatedNetconfOperationServiceFactory();
50 startOperationServiceFactoryTracker(context, factoriesListener);
52 SessionIdProvider idProvider = new SessionIdProvider();
53 timer = new HashedWheelTimer();
54 long connectionTimeoutMillis = NetconfConfigUtil.extractTimeoutMillis(context);
56 final NetconfMonitoringServiceImpl monitoringService = startMonitoringService(context, factoriesListener);
58 NetconfServerSessionNegotiatorFactory serverNegotiatorFactory = new NetconfServerSessionNegotiatorFactory(
59 timer, factoriesListener, idProvider, connectionTimeoutMillis, monitoringService);
61 eventLoopGroup = new NioEventLoopGroup();
63 ServerChannelInitializer serverChannelInitializer = new ServerChannelInitializer(
64 serverNegotiatorFactory);
65 NetconfServerDispatcherImpl dispatch = new NetconfServerDispatcherImpl(serverChannelInitializer, eventLoopGroup, eventLoopGroup);
67 LocalAddress address = NetconfConfigUtil.getNetconfLocalAddress();
68 LOG.trace("Starting local netconf server at {}", address);
69 dispatch.createLocalServer(address);
71 final ServiceTracker<NetconfNotificationCollector, NetconfNotificationCollector> notificationServiceTracker =
72 new ServiceTracker<>(context, NetconfNotificationCollector.class, new ServiceTrackerCustomizer<NetconfNotificationCollector, NetconfNotificationCollector>() {
74 public NetconfNotificationCollector addingService(ServiceReference<NetconfNotificationCollector> reference) {
75 Preconditions.checkState(listenerReg == null, "Notification collector service was already added");
76 listenerReg = context.getService(reference).registerBaseNotificationPublisher();
77 monitoringService.setNotificationPublisher(listenerReg);
82 public void modifiedService(ServiceReference<NetconfNotificationCollector> reference, NetconfNotificationCollector service) {
87 public void removedService(ServiceReference<NetconfNotificationCollector> reference, NetconfNotificationCollector service) {
90 monitoringService.setNotificationPublisher(listenerReg);
93 notificationServiceTracker.open();
94 } catch (Exception e) {
95 LOG.warn("Unable to start NetconfImplActivator", e);
99 private void startOperationServiceFactoryTracker(BundleContext context, NetconfOperationServiceFactoryListener factoriesListener) {
100 factoriesTracker = new NetconfOperationServiceFactoryTracker(context, factoriesListener);
101 factoriesTracker.open();
104 private NetconfMonitoringServiceImpl startMonitoringService(BundleContext context, AggregatedNetconfOperationServiceFactory factoriesListener) {
105 NetconfMonitoringServiceImpl netconfMonitoringServiceImpl = new NetconfMonitoringServiceImpl(factoriesListener);
106 Dictionary<String, ?> dic = new Hashtable<>();
107 regMonitoring = context.registerService(NetconfMonitoringService.class, netconfMonitoringServiceImpl, dic);
109 return netconfMonitoringServiceImpl;
113 public void stop(final BundleContext context) {
114 LOG.info("Shutting down netconf because YangStoreService service was removed");
116 eventLoopGroup.shutdownGracefully(0, 1, TimeUnit.SECONDS);
119 regMonitoring.unregister();
120 factoriesTracker.close();