2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.protocol.bgp.rib.mock;
10 import java.util.List;
13 import javax.annotation.concurrent.GuardedBy;
15 import org.opendaylight.protocol.bgp.concepts.BGPTableType;
16 import org.opendaylight.protocol.bgp.parser.BGPParameter;
17 import org.opendaylight.protocol.bgp.parser.BGPSession;
18 import org.opendaylight.protocol.bgp.parser.BGPSessionListener;
19 import org.opendaylight.protocol.bgp.parser.message.BGPKeepAliveMessage;
20 import org.opendaylight.protocol.bgp.parser.message.BGPOpenMessage;
21 import org.opendaylight.protocol.bgp.parser.parameter.MultiprotocolCapability;
22 import org.opendaylight.protocol.concepts.ListenerRegistration;
23 import org.opendaylight.yangtools.yang.binding.Notification;
25 import com.google.common.collect.Sets;
26 import com.google.common.eventbus.EventBus;
27 import com.google.common.eventbus.Subscribe;
30 * This class has @Subscribe annotated methods which receive events from {@link EventBus} . Events are produced by
31 * {@link BGPMock}, and each instance notifies exactly one {@link BGPSessionListener}.
33 class EventBusRegistration implements ListenerRegistration<BGPSessionListener> {
34 private final EventBus eventBus;
35 private final BGPSessionListener listener;
37 private boolean closed = false;
39 public static EventBusRegistration createAndRegister(final EventBus eventBus, final BGPSessionListener listener,
40 final List<Notification> allPreviousMessages) {
41 final EventBusRegistration instance = new EventBusRegistration(eventBus, listener, allPreviousMessages);
42 eventBus.register(instance);
46 private EventBusRegistration(final EventBus eventBus, final BGPSessionListener listener, final List<Notification> allPreviousMessages) {
47 this.eventBus = eventBus;
48 this.listener = listener;
49 for (final Notification message : allPreviousMessages) {
50 sendMessage(listener, message);
55 public void onMessage(final Notification message) {
56 sendMessage(this.listener, message);
60 public synchronized void close() {
64 this.eventBus.unregister(this);
68 private static void sendMessage(final BGPSessionListener listener, final Notification message) {
69 if (BGPMock.connectionLostMagicMessage.equals(message)) {
70 listener.onSessionTerminated(null, null);
71 } else if (message instanceof BGPOpenMessage) {
72 final Set<BGPTableType> tts = Sets.newHashSet();
73 for (final BGPParameter param : ((BGPOpenMessage) message).getOptParams()) {
74 if (param instanceof MultiprotocolCapability) {
75 tts.add(((MultiprotocolCapability) param).getTableType());
79 listener.onSessionUp(new BGPSession() {
83 // TODO Auto-generated method stub
88 public Set<BGPTableType> getAdvertisedTableTypes() {
92 } else if (message instanceof BGPKeepAliveMessage) {
95 listener.onMessage(null, message);
100 public BGPSessionListener getListener() {
101 return this.listener;