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.netconf.api.capability.BasicCapability;
  18 import org.opendaylight.netconf.api.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) {
  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<>());
  51
  52         final NetconfOperationServiceFactory netconfOperationServiceFactory = new NetconfOperationServiceFactory() {
  53
  54             private final Set<Capability> capabilities =
  55                     Collections.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.emptySet());
  65                 return () -> listener.onCapabilitiesChanged(Collections.emptySet(), capabilities);
  66             }
  67
  68             @Override
  69             public NetconfOperationService createService(final String netconfSessionIdForReporting) {
  70                 return new NetconfOperationService() {
  71
  72                     private final CreateSubscription createSubscription =
  73                             new CreateSubscription(netconfSessionIdForReporting, netconfNotificationManager);
  74
  75                     @Override
  76                     public Set<NetconfOperation> getNetconfOperations() {
  77                         return Sets.newHashSet(
  78                                 new Get(netconfSessionIdForReporting, netconfNotificationManager),
  79                                 createSubscription);
  80                     }
  81
  82                     @Override
  83                     public void close() {
  84                         createSubscription.close();
  85                     }
  86                 };
  87             }
  88         };
  89
  90         final Dictionary<String, String> properties = new Hashtable<>();
  91         properties.put(NetconfConstants.SERVICE_NAME, NetconfConstants.NETCONF_MONITORING);
  92         operationaServiceRegistration = context.registerService(NetconfOperationServiceFactory.class,
  93                 netconfOperationServiceFactory, properties);
  94     }
  95
  96     @Override
  97     public void stop(final BundleContext context) {
  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
 111     @VisibleForTesting
 112     NetconfNotificationManager getNetconfNotificationManager() {
 113         return netconfNotificationManager;
 114     }
 115 }