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, netconfNotificationManager, new Hashtable<String, Object>());
  50
  51         final NetconfOperationServiceFactory netconfOperationServiceFactory = new NetconfOperationServiceFactory() {
  52
  53             private final Set<Capability> capabilities = Collections.<Capability>singleton(new BasicCapability(NetconfNotification.NOTIFICATION_NAMESPACE));
  54
  55             @Override
  56             public Set<Capability> getCapabilities() {
  57                 return capabilities;
  58             }
  59
  60             @Override
  61             public AutoCloseable registerCapabilityListener(final CapabilityListener listener) {
  62                 listener.onCapabilitiesChanged(capabilities, Collections.<Capability>emptySet());
  63                 return new AutoCloseable() {
  64                     @Override
  65                     public void close() {
  66                         listener.onCapabilitiesChanged(Collections.<Capability>emptySet(), capabilities);
  67                     }
  68                 };
  69             }
  70
  71             @Override
  72             public NetconfOperationService createService(final String netconfSessionIdForReporting) {
  73                 return new NetconfOperationService() {
  74
  75                     private final CreateSubscription createSubscription = new CreateSubscription(netconfSessionIdForReporting, netconfNotificationManager);
  76
  77                     @Override
  78                     public Set<NetconfOperation> getNetconfOperations() {
  79                         return Sets.<NetconfOperation>newHashSet(
  80                                 new Get(netconfSessionIdForReporting, netconfNotificationManager),
  81                                 createSubscription);
  82                     }
  83
  84                     @Override
  85                     public void close() {
  86                         createSubscription.close();
  87                     }
  88                 };
  89             }
  90         };
  91
  92         final Dictionary<String, String> properties = new Hashtable<>();
  93         properties.put(NetconfConstants.SERVICE_NAME, NetconfConstants.NETCONF_MONITORING);
  94         operationaServiceRegistration = context.registerService(NetconfOperationServiceFactory.class, netconfOperationServiceFactory, properties);
  95     }
  96
  97     @Override
  98     public void stop(final BundleContext context) throws Exception {
  99         if(netconfNotificationCollectorServiceRegistration != null) {
 100             netconfNotificationCollectorServiceRegistration.unregister();
 101             netconfNotificationCollectorServiceRegistration = null;
 102         }
 103         if (netconfNotificationManager != null) {
 104             netconfNotificationManager.close();
 105         }
 106         if (operationaServiceRegistration != null) {
 107             operationaServiceRegistration.unregister();
 108             operationaServiceRegistration = null;
 109         }
 110     }
 111
 112     @VisibleForTesting
 113     NetconfNotificationManager getNetconfNotificationManager() {
 114         return netconfNotificationManager;
 115     }
 116 }