opendaylight/md-sal/samples/l2switch/implementation/src/main/java/org/opendaylight/controller/sample/l2switch/md/L2SwitchProvider.java

   1 /*
   2  * Copyright (c) 2014 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 package org.opendaylight.controller.sample.l2switch.md;
   9
  10 import org.opendaylight.controller.sample.l2switch.md.addresstracker.AddressTracker;
  11 import org.opendaylight.controller.sample.l2switch.md.flow.FlowWriterService;
  12 import org.opendaylight.controller.sample.l2switch.md.flow.FlowWriterServiceImpl;
  13 import org.opendaylight.controller.sample.l2switch.md.inventory.InventoryService;
  14 import org.opendaylight.controller.sample.l2switch.md.packet.PacketHandler;
  15 import org.opendaylight.controller.sample.l2switch.md.topology.NetworkGraphDijkstra;
  16 import org.opendaylight.controller.sample.l2switch.md.topology.NetworkGraphService;
  17 import org.opendaylight.controller.sample.l2switch.md.topology.TopologyLinkDataChangeHandler;
  18 import org.opendaylight.controller.sal.binding.api.AbstractBindingAwareConsumer;
  19 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  20 import org.opendaylight.controller.sal.binding.api.NotificationService;
  21 import org.opendaylight.controller.sal.binding.api.data.DataBrokerService;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketProcessingService;
  23 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  24 import org.opendaylight.yangtools.yang.binding.NotificationListener;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 /**
  29  * L2SwitchProvider serves as the Activator for our L2Switch OSGI bundle.
  30  */
  31 public class L2SwitchProvider extends AbstractBindingAwareConsumer
  32                               implements AutoCloseable {
  33
  34   private final static Logger _logger = LoggerFactory.getLogger(L2SwitchProvider.class);
  35
  36   private ListenerRegistration<NotificationListener> listenerRegistration;
  37   private AddressTracker addressTracker;
  38   private TopologyLinkDataChangeHandler topologyLinkDataChangeHandler;
  39
  40
  41   /**
  42    * Setup the L2Switch.
  43    * @param consumerContext  The context of the L2Switch.
  44    */
  45   @Override
  46   public void onSessionInitialized(BindingAwareBroker.ConsumerContext consumerContext) {
  47     DataBrokerService dataService = consumerContext.<DataBrokerService>getSALService(DataBrokerService.class);
  48     addressTracker = new AddressTracker(dataService);
  49
  50     NetworkGraphService networkGraphService = new NetworkGraphDijkstra();
  51     FlowWriterService flowWriterService = new FlowWriterServiceImpl(dataService, networkGraphService);
  52
  53     NotificationService notificationService =
  54             consumerContext.<NotificationService>getSALService(NotificationService.class);
  55     PacketProcessingService packetProcessingService =
  56             consumerContext.<PacketProcessingService>getRpcService(PacketProcessingService.class);
  57     PacketHandler packetHandler = new PacketHandler();
  58     packetHandler.setAddressTracker(addressTracker);
  59     packetHandler.setFlowWriterService(flowWriterService);
  60     packetHandler.setPacketProcessingService(packetProcessingService);
  61     packetHandler.setInventoryService(new InventoryService(dataService));
  62
  63     this.listenerRegistration = notificationService.registerNotificationListener(packetHandler);
  64     this.topologyLinkDataChangeHandler = new TopologyLinkDataChangeHandler(dataService, networkGraphService);
  65     topologyLinkDataChangeHandler.registerAsDataChangeListener();
  66   }
  67
  68   /**
  69    * Cleanup the L2Switch.
  70    * @throws Exception  occurs when the NotificationListener is closed
  71    */
  72   @Override
  73   public void close() throws Exception {
  74     if (listenerRegistration != null)
  75       listenerRegistration.close();
  76   }
  77 }