opendaylight/netconf/netconf-notifications-impl/src/main/java/org/opendaylight/controller/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.controller.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.controller.netconf.api.monitoring.CapabilityListener;
  19 import org.opendaylight.controller.netconf.api.util.NetconfConstants;
  20 import org.opendaylight.controller.netconf.mapping.api.NetconfOperation;
  21 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationService;
  22 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationServiceFactory;
  23 import org.opendaylight.controller.netconf.notifications.NetconfNotification;
  24 import org.opendaylight.controller.netconf.notifications.NetconfNotificationCollector;
  25 import org.opendaylight.controller.netconf.notifications.impl.NetconfNotificationManager;
  26 import org.opendaylight.controller.netconf.notifications.impl.ops.CreateSubscription;
  27 import org.opendaylight.controller.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         netconfNotificationCollectorServiceRegistration = context.registerService(NetconfNotificationCollector.class, netconfNotificationManager, new Hashtable<String, Object>());
  46
  47         final NetconfOperationServiceFactory netconfOperationServiceFactory = new NetconfOperationServiceFactory() {
  48
  49             private final Set<Capability> capabilities = Collections.<Capability>singleton(new BasicCapability(NetconfNotification.NOTIFICATION_NAMESPACE));
  50
  51             @Override
  52             public Set<Capability> getCapabilities() {
  53                 return capabilities;
  54             }
  55
  56             @Override
  57             public AutoCloseable registerCapabilityListener(final CapabilityListener listener) {
  58                 listener.onCapabilitiesChanged(capabilities, Collections.<Capability>emptySet());
  59                 return new AutoCloseable() {
  60                     @Override
  61                     public void close() {
  62                         listener.onCapabilitiesChanged(Collections.<Capability>emptySet(), capabilities);
  63                     }
  64                 };
  65             }
  66
  67             @Override
  68             public NetconfOperationService createService(final String netconfSessionIdForReporting) {
  69                 return new NetconfOperationService() {
  70
  71                     private final CreateSubscription createSubscription = new CreateSubscription(netconfSessionIdForReporting, netconfNotificationManager);
  72
  73                     @Override
  74                     public Set<NetconfOperation> getNetconfOperations() {
  75                         return Sets.<NetconfOperation>newHashSet(
  76                                 new Get(netconfSessionIdForReporting, netconfNotificationManager),
  77                                 createSubscription);
  78                     }
  79
  80                     @Override
  81                     public void close() {
  82                         createSubscription.close();
  83                     }
  84                 };
  85             }
  86         };
  87
  88         final Dictionary<String, String> properties = new Hashtable<>();
  89         properties.put(NetconfConstants.SERVICE_NAME, NetconfConstants.NETCONF_MONITORING);
  90         operationaServiceRegistration = context.registerService(NetconfOperationServiceFactory.class, netconfOperationServiceFactory, properties);
  91     }
  92
  93     @Override
  94     public void stop(final BundleContext context) throws Exception {
  95         if(netconfNotificationCollectorServiceRegistration != null) {
  96             netconfNotificationCollectorServiceRegistration.unregister();
  97             netconfNotificationCollectorServiceRegistration = null;
  98         }
  99         if (netconfNotificationManager != null) {
 100             netconfNotificationManager.close();
 101         }
 102         if (operationaServiceRegistration != null) {
 103             operationaServiceRegistration.unregister();
 104             operationaServiceRegistration = null;
 105         }
 106     }
 107 }