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 com.google.common.collect.Sets;
11 import com.google.common.eventbus.EventBus;
12 import com.google.common.eventbus.Subscribe;
13 import java.util.List;
15 import org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl;
16 import org.opendaylight.protocol.bgp.rib.spi.BGPSession;
17 import org.opendaylight.protocol.bgp.rib.spi.BGPSessionListener;
18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.AsNumber;
19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Keepalive;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Open;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.BgpParameters;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.bgp.parameters.OptionalCapabilities;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.open.bgp.parameters.optional.capabilities.c.parameters.MultiprotocolCase;
26 import org.opendaylight.yangtools.concepts.AbstractListenerRegistration;
27 import org.opendaylight.yangtools.yang.binding.Notification;
28 import org.slf4j.Logger;
29 import org.slf4j.LoggerFactory;
32 * This class has @Subscribe annotated methods which receive events from {@link EventBus} . Events are produced by
33 * {@link BGPMock}, and each instance notifies exactly one {@link BGPSessionListener}.
35 final class EventBusRegistration extends AbstractListenerRegistration<BGPSessionListener> {
37 private static final Logger LOG = LoggerFactory.getLogger(EventBusRegistration.class);
39 private final EventBus eventBus;
41 public static EventBusRegistration createAndRegister(final EventBus eventBus, final BGPSessionListener listener,
42 final List<Notification> allPreviousMessages) {
43 final EventBusRegistration instance = new EventBusRegistration(eventBus, listener, allPreviousMessages);
44 eventBus.register(instance);
48 private EventBusRegistration(final EventBus eventBus, final BGPSessionListener listener, final List<Notification> allPreviousMessages) {
50 this.eventBus = eventBus;
51 for (final Notification message : allPreviousMessages) {
52 sendMessage(listener, message);
57 public void onMessage(final Notification message) {
58 sendMessage(this.getInstance(), message);
62 public synchronized void removeRegistration() {
63 this.eventBus.unregister(this);
66 private static void sendMessage(final BGPSessionListener listener, final Notification message) {
67 if (BGPMock.CONNECTION_LOST_MAGIC_MSG.equals(message)) {
68 listener.onSessionTerminated(null, null);
69 } else if (message instanceof Open) {
70 final Set<BgpTableType> tts = Sets.newHashSet();
71 for (final BgpParameters param : ((Open) message).getBgpParameters()) {
72 for (final OptionalCapabilities capa : param.getOptionalCapabilities()) {
73 if (capa.getCParameters() instanceof MultiprotocolCase) {
74 final MultiprotocolCase p = (MultiprotocolCase) capa.getCParameters();
75 LOG.debug("Adding open parameter {}", p);
76 final BgpTableType type = new BgpTableTypeImpl(p.getMultiprotocolCapability().getAfi(), p.getMultiprotocolCapability().getSafi());
82 listener.onSessionUp(new BGPSession() {
84 private static final long AS = 30L;
88 LOG.debug("Session {} closed", this);
92 public Set<BgpTableType> getAdvertisedTableTypes() {
97 public Ipv4Address getBgpId() {
98 return new Ipv4Address("127.0.0.1");
102 public AsNumber getAsNumber() {
103 return new AsNumber(AS);
106 } else if (!(message instanceof Keepalive)) {
107 listener.onMessage(null, message);