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.annotations.VisibleForTesting;
  12 import com.google.common.collect.Sets;
  13 import java.util.Collections;
  14 import java.util.Dictionary;
  15 import java.util.Hashtable;
  16 import java.util.Set;
  17 import org.opendaylight.controller.config.util.capability.BasicCapability;
  18 import org.opendaylight.controller.config.util.capability.Capability;
  19 import org.opendaylight.netconf.api.monitoring.CapabilityListener;
  20 import org.opendaylight.netconf.api.util.NetconfConstants;
  21 import org.opendaylight.netconf.mapping.api.NetconfOperation;
  22 import org.opendaylight.netconf.mapping.api.NetconfOperationService;
  23 import org.opendaylight.netconf.mapping.api.NetconfOperationServiceFactory;
  24 import org.opendaylight.netconf.notifications.NetconfNotification;
  25 import org.opendaylight.netconf.notifications.NetconfNotificationCollector;
  26 import org.opendaylight.netconf.notifications.impl.NetconfNotificationManager;
  27 import org.opendaylight.netconf.notifications.impl.ops.CreateSubscription;
  28 import org.opendaylight.netconf.notifications.impl.ops.Get;
  29 import org.osgi.framework.BundleActivator;
  30 import org.osgi.framework.BundleContext;
  31 import org.osgi.framework.ServiceRegistration;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 public class Activator implements BundleActivator {
  36
  37     private static final Logger LOG = LoggerFactory.getLogger(Activator.class);
  38
  39     private ServiceRegistration<NetconfNotificationCollector> netconfNotificationCollectorServiceRegistration;
  40     private ServiceRegistration<NetconfOperationServiceFactory> operationaServiceRegistration;
  41     private NetconfNotificationManager netconfNotificationManager;
  42
  43     @Override
  44     public void start(final BundleContext context) throws Exception {
  45         netconfNotificationManager = new NetconfNotificationManager();
  46         // Add properties to autowire with netconf-impl instance for cfg subsystem
  47         final Dictionary<String, String> props = new Hashtable<>();
  48         props.put(NetconfConstants.SERVICE_NAME, NetconfConstants.NETCONF_NOTIFICATION);
  49         netconfNotificationCollectorServiceRegistration = context.registerService(NetconfNotificationCollector.class,
  50                 netconfNotificationManager, new Hashtable<String, Object>());
  51
  52         final NetconfOperationServiceFactory netconfOperationServiceFactory = new NetconfOperationServiceFactory() {
  53
  54             private final Set<Capability> capabilities =
  55                     Collections.<Capability>singleton(new BasicCapability(NetconfNotification.NOTIFICATION_NAMESPACE));
  56
  57             @Override
  58             public Set<Capability> getCapabilities() {
  59                 return capabilities;
  60             }
  61
  62             @Override
  63             public AutoCloseable registerCapabilityListener(final CapabilityListener listener) {
  64                 listener.onCapabilitiesChanged(capabilities, Collections.<Capability>emptySet());
  65                 return new AutoCloseable() {
  66                     @Override
  67                     public void close() {
  68                         listener.onCapabilitiesChanged(Collections.<Capability>emptySet(), capabilities);
  69                     }
  70                 };
  71             }
  72
  73             @Override
  74             public NetconfOperationService createService(final String netconfSessionIdForReporting) {
  75                 return new NetconfOperationService() {
  76
  77                     private final CreateSubscription createSubscription =
  78                             new CreateSubscription(netconfSessionIdForReporting, netconfNotificationManager);
  79
  80                     @Override
  81                     public Set<NetconfOperation> getNetconfOperations() {
  82                         return Sets.<NetconfOperation>newHashSet(
  83                                 new Get(netconfSessionIdForReporting, netconfNotificationManager),
  84                                 createSubscription);
  85                     }
  86
  87                     @Override
  88                     public void close() {
  89                         createSubscription.close();
  90                     }
  91                 };
  92             }
  93         };
  94
  95         final Dictionary<String, String> properties = new Hashtable<>();
  96         properties.put(NetconfConstants.SERVICE_NAME, NetconfConstants.NETCONF_MONITORING);
  97         operationaServiceRegistration = context.registerService(NetconfOperationServiceFactory.class,
  98                 netconfOperationServiceFactory, properties);
  99     }
 100
 101     @Override
 102     public void stop(final BundleContext context) throws Exception {
 103         if (netconfNotificationCollectorServiceRegistration != null) {
 104             netconfNotificationCollectorServiceRegistration.unregister();
 105             netconfNotificationCollectorServiceRegistration = null;
 106         }
 107         if (netconfNotificationManager != null) {
 108             netconfNotificationManager.close();
 109         }
 110         if (operationaServiceRegistration != null) {
 111             operationaServiceRegistration.unregister();
 112             operationaServiceRegistration = null;
 113         }
 114     }
 115
 116     @VisibleForTesting
 117     NetconfNotificationManager getNetconfNotificationManager() {
 118         return netconfNotificationManager;
 119     }
 120 }