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.io.Closeable;
11 import java.util.Arrays;
12 import java.util.Iterator;
13 import java.util.List;
15 import javax.annotation.concurrent.GuardedBy;
16 import javax.annotation.concurrent.ThreadSafe;
18 import org.opendaylight.protocol.bgp.parser.BGPError;
19 import org.opendaylight.protocol.bgp.parser.BGPMessage;
20 import org.opendaylight.protocol.bgp.parser.BGPSessionListener;
21 import org.opendaylight.protocol.bgp.parser.impl.BGPMessageFactory;
22 import org.opendaylight.protocol.bgp.parser.message.BGPNotificationMessage;
23 import org.opendaylight.protocol.bgp.rib.impl.BGP;
24 import org.opendaylight.protocol.concepts.ListenerRegistration;
25 import org.opendaylight.protocol.framework.DeserializerException;
26 import org.opendaylight.protocol.framework.DocumentedException;
27 import org.opendaylight.protocol.framework.ProtocolMessageFactory;
28 import org.opendaylight.protocol.framework.ReconnectStrategy;
29 import org.opendaylight.protocol.util.ByteArray;
31 import com.google.common.collect.Lists;
32 import com.google.common.eventbus.EventBus;
36 * Mock implementation of {@link BGP}.
40 public final class BGPMock implements BGP, Closeable {
41 static final BGPMessage connectionLostMagicMessage = new BGPNotificationMessage(BGPError.CEASE);
44 private final List<byte[]> allPreviousByteMessages;
45 private final List<BGPMessage> allPreviousBGPMessages;
46 private final EventBus eventBus;
48 private final List<EventBusRegistration> openRegistrations = Lists.newLinkedList();
50 public BGPMock(final EventBus eventBus, final List<byte[]> bgpMessages) {
51 this.allPreviousByteMessages = Lists.newLinkedList(bgpMessages);
52 this.eventBus = eventBus;
53 this.allPreviousBGPMessages = this.parsePrevious(this.allPreviousByteMessages);
56 private List<BGPMessage> parsePrevious(final List<byte[]> msgs) {
57 final List<BGPMessage> messages = Lists.newArrayList();
58 final ProtocolMessageFactory<BGPMessage> parser = new BGPMessageFactory();
60 for (final byte[] b : msgs) {
62 final byte[] body = ByteArray.cutBytes(b, 1);
64 messages.addAll(parser.parse(body));
66 } catch (final DeserializerException e) {
68 } catch (final DocumentedException e) {
75 * @param listener BGPListener
76 * @return ListenerRegistration
79 public synchronized ListenerRegistration<BGPSessionListener> registerUpdateListener(final BGPSessionListener listener, final ReconnectStrategy strategy) {
80 return EventBusRegistration.createAndRegister(this.eventBus, listener, this.allPreviousBGPMessages);
83 public synchronized void insertConnectionLostEvent() {
84 this.insertMessage(connectionLostMagicMessage);
87 public synchronized void insertMessages(final List<BGPMessage> messages) {
88 for (final BGPMessage message : messages) {
89 this.insertMessage(message);
93 private synchronized void insertMessage(final BGPMessage message) {
94 this.allPreviousBGPMessages.add(message);
95 this.eventBus.post(message);
99 public synchronized void close() {
100 // unregister all EventBusRegistration instances
101 for (final EventBusRegistration registration : this.openRegistrations) {
102 registration.close();
104 this.openRegistrations.clear();
107 public boolean isMessageListSame(final List<byte[]> newMessages) {
108 if (this.allPreviousBGPMessages.size() != newMessages.size()) {
111 final Iterator<byte[]> i1 = this.allPreviousByteMessages.iterator();
112 final Iterator<byte[]> i2 = this.allPreviousByteMessages.iterator();
113 for (int i = 0; i < this.allPreviousBGPMessages.size(); i++) {
114 if (!Arrays.equals(i1.next(), i2.next())) {
121 public EventBus getEventBus() {
122 return this.eventBus;