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.BGPSessionListener;
20 import org.opendaylight.protocol.bgp.parser.impl.BGPMessageFactoryImpl;
21 import org.opendaylight.protocol.bgp.parser.spi.MessageRegistry;
22 import org.opendaylight.protocol.bgp.rib.impl.BGP;
23 import org.opendaylight.protocol.concepts.ListenerRegistration;
24 import org.opendaylight.protocol.framework.DeserializerException;
25 import org.opendaylight.protocol.framework.DocumentedException;
26 import org.opendaylight.protocol.framework.ProtocolMessageFactory;
27 import org.opendaylight.protocol.framework.ReconnectStrategy;
28 import org.opendaylight.protocol.framework.ReconnectStrategyFactory;
29 import org.opendaylight.protocol.util.ByteArray;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130918.NotifyBuilder;
31 import org.opendaylight.yangtools.yang.binding.Notification;
32 import org.slf4j.Logger;
33 import org.slf4j.LoggerFactory;
35 import com.google.common.collect.Lists;
36 import com.google.common.eventbus.EventBus;
40 * Mock implementation of {@link BGP}.
44 public final class BGPMock implements BGP, Closeable {
46 private static final Logger logger = LoggerFactory.getLogger(BGPMock.class);
48 static final Notification CONNECTION_LOST_MAGIC_MSG = new NotifyBuilder().setErrorCode(BGPError.CEASE.getCode()).build();
51 private final List<byte[]> allPreviousByteMessages;
52 private final List<Notification> allPreviousBGPMessages;
53 private final EventBus eventBus;
56 private final List<EventBusRegistration> openRegistrations = Lists.newLinkedList();
58 public BGPMock(final EventBus eventBus, final MessageRegistry registry, final List<byte[]> bgpMessages) {
59 this.allPreviousByteMessages = Lists.newLinkedList(bgpMessages);
60 this.eventBus = eventBus;
61 this.allPreviousBGPMessages = this.parsePrevious(registry, this.allPreviousByteMessages);
64 private List<Notification> parsePrevious(final MessageRegistry registry, final List<byte[]> msgs) {
65 final List<Notification> messages = Lists.newArrayList();
66 final ProtocolMessageFactory<Notification> parser = new BGPMessageFactoryImpl(registry);
68 for (final byte[] b : msgs) {
70 final byte[] body = ByteArray.cutBytes(b, 1);
72 messages.add(parser.parse(body));
74 } catch (final DeserializerException e) {
75 logger.warn(e.getMessage(), e);
76 } catch (final DocumentedException e) {
77 logger.warn(e.getMessage(), e);
82 public synchronized void insertConnectionLostEvent() {
83 this.insertMessage(CONNECTION_LOST_MAGIC_MSG);
86 public synchronized void insertMessages(final List<Notification> messages) {
87 for (final Notification message : messages) {
88 this.insertMessage(message);
92 private synchronized void insertMessage(final Notification message) {
93 this.allPreviousBGPMessages.add(message);
94 this.eventBus.post(message);
98 public synchronized void close() {
99 // unregister all EventBusRegistration instances
100 for (final EventBusRegistration registration : this.openRegistrations) {
101 registration.close();
103 this.openRegistrations.clear();
106 public boolean isMessageListSame(final List<byte[]> newMessages) {
107 if (this.allPreviousBGPMessages.size() != newMessages.size()) {
110 final Iterator<byte[]> i1 = this.allPreviousByteMessages.iterator();
111 final Iterator<byte[]> i2 = this.allPreviousByteMessages.iterator();
112 for (int i = 0; i < this.allPreviousBGPMessages.size(); i++) {
113 if (!Arrays.equals(i1.next(), i2.next())) {
120 public EventBus getEventBus() {
121 return this.eventBus;
125 public ListenerRegistration<BGPSessionListener> registerUpdateListener(
126 final BGPSessionListener listener,
127 final ReconnectStrategyFactory tcpStrategyFactory,
128 final ReconnectStrategy sessionStrategy) {
129 return EventBusRegistration.createAndRegister(this.eventBus, listener, this.allPreviousBGPMessages);