Bug 639, Bug 641, Bug 642: This is MD-SAL based sample implementation of a learning...

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

diff --git a/opendaylight/md-sal/samples/l2switch/implementation/src/main/java/org/opendaylight/controller/sample/l2switch/md/L2SwitchProvider.java b/opendaylight/md-sal/samples/l2switch/implementation/src/main/java/org/opendaylight/controller/sample/l2switch/md/L2SwitchProvider.java
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+++ b/opendaylight/md-sal/samples/l2switch/implementation/src/main/java/org/opendaylight/controller/sample/l2switch/md/L2SwitchProvider.java
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+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.sample.l2switch.md;
+
+import org.opendaylight.controller.sample.l2switch.md.addresstracker.AddressTracker;
+import org.opendaylight.controller.sample.l2switch.md.flow.FlowWriterService;
+import org.opendaylight.controller.sample.l2switch.md.flow.FlowWriterServiceImpl;
+import org.opendaylight.controller.sample.l2switch.md.inventory.InventoryService;
+import org.opendaylight.controller.sample.l2switch.md.packet.PacketHandler;
+import org.opendaylight.controller.sample.l2switch.md.topology.NetworkGraphDijkstra;
+import org.opendaylight.controller.sample.l2switch.md.topology.NetworkGraphService;
+import org.opendaylight.controller.sample.l2switch.md.topology.TopologyLinkDataChangeHandler;
+import org.opendaylight.controller.sal.binding.api.AbstractBindingAwareConsumer;
+import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
+import org.opendaylight.controller.sal.binding.api.NotificationService;
+import org.opendaylight.controller.sal.binding.api.data.DataBrokerService;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketProcessingService;
+import org.opendaylight.yangtools.concepts.Registration;
+import org.opendaylight.yangtools.yang.binding.NotificationListener;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * L2SwitchProvider serves as the Activator for our L2Switch OSGI bundle.
+ */
+public class L2SwitchProvider extends AbstractBindingAwareConsumer
+                              implements AutoCloseable {
+
+  private final static Logger _logger = LoggerFactory.getLogger(L2SwitchProvider.class);
+
+  private Registration<NotificationListener> listenerRegistration;
+  private AddressTracker addressTracker;
+  private TopologyLinkDataChangeHandler topologyLinkDataChangeHandler;
+
+
+  /**
+   * Setup the L2Switch.
+   * @param consumerContext  The context of the L2Switch.
+   */
+  @Override
+  public void onSessionInitialized(BindingAwareBroker.ConsumerContext consumerContext) {
+    DataBrokerService dataService = consumerContext.<DataBrokerService>getSALService(DataBrokerService.class);
+    addressTracker = new AddressTracker(dataService);
+
+    NetworkGraphService networkGraphService = new NetworkGraphDijkstra();
+    FlowWriterService flowWriterService = new FlowWriterServiceImpl(dataService, networkGraphService);
+
+    NotificationService notificationService =
+            consumerContext.<NotificationService>getSALService(NotificationService.class);
+    PacketProcessingService packetProcessingService =
+            consumerContext.<PacketProcessingService>getRpcService(PacketProcessingService.class);
+    PacketHandler packetHandler = new PacketHandler();
+    packetHandler.setAddressTracker(addressTracker);
+    packetHandler.setFlowWriterService(flowWriterService);
+    packetHandler.setPacketProcessingService(packetProcessingService);
+    packetHandler.setInventoryService(new InventoryService(dataService));
+
+    this.listenerRegistration = notificationService.registerNotificationListener(packetHandler);
+    this.topologyLinkDataChangeHandler = new TopologyLinkDataChangeHandler(dataService, networkGraphService);
+    topologyLinkDataChangeHandler.registerAsDataChangeListener();
+  }
+
+  /**
+   * Cleanup the L2Switch.
+   * @throws Exception  occurs when the NotificationListener is closed
+   */
+  @Override
+  public void close() throws Exception {
+    if (listenerRegistration != null)
+      listenerRegistration.close();
+  }
+}