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.impl;
12 import org.opendaylight.protocol.bgp.parser.BGPSession;
13 import org.opendaylight.protocol.bgp.parser.BGPSessionListener;
14 import org.opendaylight.protocol.bgp.parser.BGPTerminationReason;
15 import org.opendaylight.protocol.bgp.rib.spi.Peer;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Update;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.TablesKey;
19 import org.opendaylight.yangtools.yang.binding.Notification;
20 import org.slf4j.Logger;
21 import org.slf4j.LoggerFactory;
23 import com.google.common.base.Objects;
24 import com.google.common.base.Objects.ToStringHelper;
25 import com.google.common.base.Preconditions;
26 import com.google.common.collect.Sets;
29 * Class representing a peer. We have a single instance for each peer, which provides translation from BGP events into
32 public final class BGPPeer implements BGPSessionListener, Peer {
33 private static final Logger LOG = LoggerFactory.getLogger(BGPPeer.class);
34 private final Set<TablesKey> tables = Sets.newHashSet();
35 private final String name;
36 private final RIBImpl rib;
38 public BGPPeer(final RIBImpl rib, final String name) {
39 this.rib = Preconditions.checkNotNull(rib);
40 this.name = Preconditions.checkNotNull(name);
44 public void onMessage(final BGPSession session, final Notification message) {
45 if (message instanceof Update) {
46 this.rib.updateTables(this, (Update) message);
48 LOG.info("Ignoring unhandled message class " + message.getClass());
53 public void onSessionUp(final BGPSession session) {
54 LOG.info("Session with peer {} went up with tables: {}", this.name, session.getAdvertisedTableTypes());
56 for (final BgpTableType t : session.getAdvertisedTableTypes()) {
57 this.tables.add(new TablesKey(t.getAfi(), t.getSafi()));
61 private void cleanup() {
62 // FIXME: BUG-196: support graceful restart
63 for (final TablesKey key : this.tables) {
64 this.rib.clearTable(this, key);
71 public void onSessionDown(final BGPSession session, final Exception e) {
72 LOG.info("Session with peer {} went down", this.name, e);
77 public void onSessionTerminated(final BGPSession session, final BGPTerminationReason cause) {
78 LOG.info("Session with peer {} terminated: {}", this.name, cause);
83 public String toString() {
84 return addToStringAttributes(Objects.toStringHelper(this)).toString();
87 protected ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) {
88 toStringHelper.add("name", this.name);
89 toStringHelper.add("tables", this.tables);
90 return toStringHelper;