netconf/netconf-notifications-impl/src/main/java/org/opendaylight/netconf/notifications/impl/osgi/Activator.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.netconf.notifications.impl.osgi;
  10
  11 import com.google.common.collect.Sets;
  12 import java.util.Collections;
  13 import java.util.Dictionary;
  14 import java.util.Hashtable;
  15 import java.util.Set;
  16 import org.opendaylight.controller.config.util.capability.BasicCapability;
  17 import org.opendaylight.controller.config.util.capability.Capability;
  18 import org.opendaylight.netconf.api.monitoring.CapabilityListener;
  19 import org.opendaylight.netconf.api.util.NetconfConstants;
  20 import org.opendaylight.netconf.mapping.api.NetconfOperation;
  21 import org.opendaylight.netconf.mapping.api.NetconfOperationService;
  22 import org.opendaylight.netconf.mapping.api.NetconfOperationServiceFactory;
  23 import org.opendaylight.netconf.notifications.NetconfNotification;
  24 import org.opendaylight.netconf.notifications.NetconfNotificationCollector;
  25 import org.opendaylight.netconf.notifications.impl.NetconfNotificationManager;
  26 import org.opendaylight.netconf.notifications.impl.ops.CreateSubscription;
  27 import org.opendaylight.netconf.notifications.impl.ops.Get;
  28 import org.osgi.framework.BundleActivator;
  29 import org.osgi.framework.BundleContext;
  30 import org.osgi.framework.ServiceRegistration;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 public class Activator implements BundleActivator {
  35
  36     private static final Logger LOG = LoggerFactory.getLogger(Activator.class);
  37
  38     private ServiceRegistration<NetconfNotificationCollector> netconfNotificationCollectorServiceRegistration;
  39     private ServiceRegistration<NetconfOperationServiceFactory> operationaServiceRegistration;
  40     private NetconfNotificationManager netconfNotificationManager;
  41
  42     @Override
  43     public void start(final BundleContext context) throws Exception {
  44         netconfNotificationManager = new NetconfNotificationManager();
  45         // Add properties to autowire with netconf-impl instance for cfg subsystem
  46         final Dictionary<String, String> props = new Hashtable<>();
  47         props.put(NetconfConstants.SERVICE_NAME, NetconfConstants.NETCONF_NOTIFICATION);
  48         netconfNotificationCollectorServiceRegistration = context.registerService(NetconfNotificationCollector.class, netconfNotificationManager, new Hashtable<String, Object>());
  49
  50         final NetconfOperationServiceFactory netconfOperationServiceFactory = new NetconfOperationServiceFactory() {
  51
  52             private final Set<Capability> capabilities = Collections.<Capability>singleton(new BasicCapability(NetconfNotification.NOTIFICATION_NAMESPACE));
  53
  54             @Override
  55             public Set<Capability> getCapabilities() {
  56                 return capabilities;
  57             }
  58
  59             @Override
  60             public AutoCloseable registerCapabilityListener(final CapabilityListener listener) {
  61                 listener.onCapabilitiesChanged(capabilities, Collections.<Capability>emptySet());
  62                 return new AutoCloseable() {
  63                     @Override
  64                     public void close() {
  65                         listener.onCapabilitiesChanged(Collections.<Capability>emptySet(), capabilities);
  66                     }
  67                 };
  68             }
  69
  70             @Override
  71             public NetconfOperationService createService(final String netconfSessionIdForReporting) {
  72                 return new NetconfOperationService() {
  73
  74                     private final CreateSubscription createSubscription = new CreateSubscription(netconfSessionIdForReporting, netconfNotificationManager);
  75
  76                     @Override
  77                     public Set<NetconfOperation> getNetconfOperations() {
  78                         return Sets.<NetconfOperation>newHashSet(
  79                                 new Get(netconfSessionIdForReporting, netconfNotificationManager),
  80                                 createSubscription);
  81                     }
  82
  83                     @Override
  84                     public void close() {
  85                         createSubscription.close();
  86                     }
  87                 };
  88             }
  89         };
  90
  91         final Dictionary<String, String> properties = new Hashtable<>();
  92         properties.put(NetconfConstants.SERVICE_NAME, NetconfConstants.NETCONF_MONITORING);
  93         operationaServiceRegistration = context.registerService(NetconfOperationServiceFactory.class, netconfOperationServiceFactory, properties);
  94     }
  95
  96     @Override
  97     public void stop(final BundleContext context) throws Exception {
  98         if(netconfNotificationCollectorServiceRegistration != null) {
  99             netconfNotificationCollectorServiceRegistration.unregister();
 100             netconfNotificationCollectorServiceRegistration = null;
 101         }
 102         if (netconfNotificationManager != null) {
 103             netconfNotificationManager.close();
 104         }
 105         if (operationaServiceRegistration != null) {
 106             operationaServiceRegistration.unregister();
 107             operationaServiceRegistration = null;
 108         }
 109     }
 110 }