2 * Copyright (c) 2014 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;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.base.MoreObjects;
13 import com.google.common.base.MoreObjects.ToStringHelper;
14 import com.google.common.base.Objects;
15 import com.google.common.cache.CacheBuilder;
16 import com.google.common.cache.CacheLoader;
17 import com.google.common.cache.LoadingCache;
18 import com.google.common.collect.ImmutableMap;
19 import com.google.common.collect.ImmutableSet;
20 import com.google.common.net.InetAddresses;
21 import com.google.common.util.concurrent.Futures;
22 import com.google.common.util.concurrent.ListenableFuture;
23 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
24 import java.util.ArrayList;
25 import java.util.Arrays;
26 import java.util.Collections;
27 import java.util.HashMap;
28 import java.util.HashSet;
29 import java.util.List;
31 import java.util.Optional;
33 import java.util.stream.Collectors;
34 import javax.annotation.Nullable;
35 import javax.annotation.concurrent.GuardedBy;
36 import org.opendaylight.controller.md.sal.common.api.data.AsyncTransaction;
37 import org.opendaylight.controller.md.sal.common.api.data.TransactionChain;
38 import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
39 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
40 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RoutedRpcRegistration;
41 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
42 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
43 import org.opendaylight.protocol.bgp.parser.BGPError;
44 import org.opendaylight.protocol.bgp.parser.impl.message.update.LocalPreferenceAttributeParser;
45 import org.opendaylight.protocol.bgp.parser.spi.MessageUtil;
46 import org.opendaylight.protocol.bgp.rib.impl.spi.RIB;
47 import org.opendaylight.protocol.bgp.rib.impl.state.BGPPeerStateImpl;
48 import org.opendaylight.protocol.bgp.rib.impl.state.BGPSessionStateProvider;
49 import org.opendaylight.protocol.bgp.rib.spi.BGPSession;
50 import org.opendaylight.protocol.bgp.rib.spi.BGPSessionListener;
51 import org.opendaylight.protocol.bgp.rib.spi.BGPTerminationReason;
52 import org.opendaylight.protocol.bgp.rib.spi.Peer;
53 import org.opendaylight.protocol.bgp.rib.spi.RIBSupport;
54 import org.opendaylight.protocol.bgp.rib.spi.RouterIds;
55 import org.opendaylight.protocol.bgp.rib.spi.policy.BGPRouteEntryImportParameters;
56 import org.opendaylight.protocol.bgp.rib.spi.state.BGPAfiSafiState;
57 import org.opendaylight.protocol.bgp.rib.spi.state.BGPErrorHandlingState;
58 import org.opendaylight.protocol.bgp.rib.spi.state.BGPSessionState;
59 import org.opendaylight.protocol.bgp.rib.spi.state.BGPTimersState;
60 import org.opendaylight.protocol.bgp.rib.spi.state.BGPTransportState;
61 import org.opendaylight.protocol.concepts.AbstractRegistration;
62 import org.opendaylight.protocol.util.Ipv4Util;
63 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv4.prefixes.DestinationIpv4Builder;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv4.prefixes.destination.ipv4.Ipv4Prefixes;
66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv4.prefixes.destination.ipv4.Ipv4PrefixesBuilder;
67 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationIpv4CaseBuilder;
68 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.Update;
69 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.Attributes;
70 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.AttributesBuilder;
71 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.update.message.Nlri;
72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.BgpAddPathTableType;
73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.BgpTableType;
74 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.RouteRefresh;
75 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.SendReceive;
76 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.mp.capabilities.add.path.capability.AddressFamilies;
77 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.update.attributes.MpReachNlri;
78 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.update.attributes.MpReachNlriBuilder;
79 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.update.attributes.MpUnreachNlri;
80 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.update.attributes.MpUnreachNlriBuilder;
81 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.update.attributes.mp.reach.nlri.AdvertizedRoutesBuilder;
82 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.update.attributes.mp.unreach.nlri.WithdrawnRoutesBuilder;
83 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.peer.rpc.rev171207.BgpPeerRpcService;
84 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.peer.rpc.rev171207.PeerContext;
85 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.PeerId;
86 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.PeerRole;
87 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.bgp.rib.rib.PeerKey;
88 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.bgp.rib.rib.peer.AdjRibOut;
89 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.rib.Tables;
90 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.rib.TablesKey;
91 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.AddressFamily;
92 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.ClusterIdentifier;
93 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
94 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.SubsequentAddressFamily;
95 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
96 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
97 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
98 import org.opendaylight.yangtools.yang.binding.Notification;
99 import org.slf4j.Logger;
100 import org.slf4j.LoggerFactory;
103 * Class representing a peer. We have a single instance for each peer, which provides translation from BGP events into
106 public class BGPPeer extends BGPPeerStateImpl implements BGPRouteEntryImportParameters,
107 BGPSessionListener, Peer, TransactionChainListener {
108 private static final Logger LOG = LoggerFactory.getLogger(BGPPeer.class);
109 private final ClusterIdentifier clusterId;
111 private Set<TablesKey> tables = Collections.emptySet();
112 private final RIB rib;
113 private final String name;
114 private final Map<TablesKey, AdjRibOutListener> adjRibOutListenerSet = new HashMap<>();
115 private final RpcProviderRegistry rpcRegistry;
116 private final PeerRole peerRole;
117 private final InstanceIdentifier<AdjRibOut> peerRibOutIId;
118 private final KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib
119 .rev171207.bgp.rib.rib.Peer, PeerKey> peerIId;
121 private AbstractRegistration trackerRegistration;
122 private final LoadingCache<TablesKey, KeyedInstanceIdentifier<Tables, TablesKey>> tablesIId
123 = CacheBuilder.newBuilder()
124 .build(new CacheLoader<TablesKey, KeyedInstanceIdentifier<Tables, TablesKey>>() {
126 public KeyedInstanceIdentifier<Tables, TablesKey> load(final TablesKey tablesKey) {
127 return BGPPeer.this.peerRibOutIId.child(Tables.class, tablesKey);
132 private BGPSession session;
134 private byte[] rawIdentifier;
136 private DOMTransactionChain chain;
138 private AdjRibInWriter ribWriter;
140 private EffectiveRibInWriter effRibInWriter;
141 private RoutedRpcRegistration<BgpPeerRpcService> rpcRegistration;
142 private Map<TablesKey, SendReceive> addPathTableMaps = Collections.emptyMap();
143 private PeerId peerId;
146 final IpAddress neighborAddress,
147 final String peerGroupName,
150 final ClusterIdentifier clusterId,
151 final RpcProviderRegistry rpcRegistry,
152 final Set<TablesKey> afiSafisAdvertized,
153 final Set<TablesKey> afiSafisGracefulAdvertized) {
154 super(rib.getInstanceIdentifier(), peerGroupName, neighborAddress, afiSafisAdvertized,
155 afiSafisGracefulAdvertized);
156 this.peerRole = role;
157 this.rib = requireNonNull(rib);
158 this.clusterId = clusterId;
159 this.name = Ipv4Util.toStringIP(neighborAddress);
160 this.rpcRegistry = rpcRegistry;
161 this.peerIId = getInstanceIdentifier().child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns
162 .yang.bgp.rib.rev171207.bgp.rib.rib.Peer.class, new PeerKey(RouterIds.createPeerId(neighborAddress)));
163 this.peerRibOutIId = this.peerIId.child(AdjRibOut.class);
164 this.chain = rib.createPeerDOMChain(this);
168 final IpAddress neighborAddress,
171 final RpcProviderRegistry rpcRegistry,
172 final Set<TablesKey> afiSafisAdvertized,
173 final Set<TablesKey> afiSafisGracefulAdvertized) {
174 this(neighborAddress, null, rib, role, null, rpcRegistry, afiSafisAdvertized,
175 afiSafisGracefulAdvertized);
179 private static Attributes nextHopToAttribute(final Attributes attrs, final MpReachNlri mpReach) {
180 if (attrs.getCNextHop() == null && mpReach.getCNextHop() != null) {
181 final AttributesBuilder attributesBuilder = new AttributesBuilder(attrs);
182 attributesBuilder.setCNextHop(mpReach.getCNextHop());
183 return attributesBuilder.build();
189 * Creates MPReach for the prefixes to be handled in the same way as linkstate routes.
191 * @param message Update message containing prefixes in NLRI
192 * @return MpReachNlri with prefixes from the nlri field
194 private static MpReachNlri prefixesToMpReach(final Update message) {
195 final List<Ipv4Prefixes> prefixes = message.getNlri().stream()
196 .map(n -> new Ipv4PrefixesBuilder().setPrefix(n.getPrefix()).setPathId(n.getPathId()).build())
197 .collect(Collectors.toList());
198 final MpReachNlriBuilder b = new MpReachNlriBuilder().setAfi(Ipv4AddressFamily.class).setSafi(
199 UnicastSubsequentAddressFamily.class).setAdvertizedRoutes(
200 new AdvertizedRoutesBuilder().setDestinationType(
201 new DestinationIpv4CaseBuilder().setDestinationIpv4(
202 new DestinationIpv4Builder().setIpv4Prefixes(prefixes).build()).build()).build());
203 if (message.getAttributes() != null) {
204 b.setCNextHop(message.getAttributes().getCNextHop());
210 * Create MPUnreach for the prefixes to be handled in the same way as linkstate routes.
212 * @param message Update message containing withdrawn routes
213 * @param isAnyNlriAnnounced isAnyNlriAnnounced
214 * @return MpUnreachNlri with prefixes from the withdrawn routes field
216 private static MpUnreachNlri prefixesToMpUnreach(final Update message, final boolean isAnyNlriAnnounced) {
217 final List<Ipv4Prefixes> prefixes = new ArrayList<>();
218 message.getWithdrawnRoutes().forEach(w -> {
220 Optional<Nlri> nlriAnounced = Optional.empty();
221 if (isAnyNlriAnnounced) {
222 nlriAnounced = message.getNlri().stream().filter(n -> Objects.equal(n.getPrefix(), w.getPrefix())
223 && Objects.equal(n.getPathId(), w.getPathId()))
226 if (!nlriAnounced.isPresent()) {
227 prefixes.add(new Ipv4PrefixesBuilder().setPrefix(w.getPrefix()).setPathId(w.getPathId()).build());
230 return new MpUnreachNlriBuilder().setAfi(Ipv4AddressFamily.class).setSafi(UnicastSubsequentAddressFamily.class)
231 .setWithdrawnRoutes(new WithdrawnRoutesBuilder().setDestinationType(new org.opendaylight.yang.gen.v1
232 .urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.update.attributes.mp.unreach.nlri
233 .withdrawn.routes.destination.type.DestinationIpv4CaseBuilder().setDestinationIpv4(
234 new DestinationIpv4Builder().setIpv4Prefixes(prefixes).build()).build()).build()).build();
237 private static Map<TablesKey, SendReceive> mapTableTypesFamilies(final List<AddressFamilies> addPathTablesType) {
238 return ImmutableMap.copyOf(addPathTablesType.stream().collect(Collectors.toMap(af -> new TablesKey(af.getAfi(),
239 af.getSafi()), BgpAddPathTableType::getSendReceive)));
242 public synchronized void instantiateServiceInstance() {
243 this.ribWriter = AdjRibInWriter.create(this.rib.getYangRibId(), this.peerRole, this.chain);
247 // FIXME ListenableFuture<?> should be used once closeServiceInstance uses wildcard too
249 public synchronized ListenableFuture<Void> close() {
250 final ListenableFuture<Void> future = releaseConnection();
257 public void onMessage(final BGPSession session, final Notification msg) throws BGPDocumentedException {
258 if (!(msg instanceof Update) && !(msg instanceof RouteRefresh)) {
259 LOG.info("Ignoring unhandled message class {}", msg.getClass());
262 if (msg instanceof Update) {
263 onUpdateMessage((Update) msg);
265 onRouteRefreshMessage((RouteRefresh) msg);
269 private void onRouteRefreshMessage(final RouteRefresh message) {
270 final Class<? extends AddressFamily> rrAfi = message.getAfi();
271 final Class<? extends SubsequentAddressFamily> rrSafi = message.getSafi();
273 final TablesKey key = new TablesKey(rrAfi, rrSafi);
274 final AdjRibOutListener listener = this.adjRibOutListenerSet.get(key);
275 if (listener != null) {
277 this.adjRibOutListenerSet.remove(key);
278 createAdjRibOutListener(key, listener.isMpSupported());
280 LOG.info("Ignoring RouteRefresh message. Afi/Safi is not supported: {}, {}.", rrAfi, rrSafi);
285 * Check for presence of well known mandatory attribute LOCAL_PREF in Update message.
287 * @param message Update message
289 private void checkMandatoryAttributesPresence(final Update message) throws BGPDocumentedException {
290 if (MessageUtil.isAnyNlriPresent(message)) {
291 final Attributes attrs = message.getAttributes();
292 if (this.peerRole == PeerRole.Ibgp && (attrs == null || attrs.getLocalPref() == null)) {
293 throw new BGPDocumentedException(BGPError.MANDATORY_ATTR_MISSING_MSG + "LOCAL_PREF",
294 BGPError.WELL_KNOWN_ATTR_MISSING,
295 new byte[]{LocalPreferenceAttributeParser.TYPE});
301 * Process Update message received.
302 * Calls {@link #checkMandatoryAttributesPresence(Update)} to check for presence of mandatory attributes.
304 * @param message Update message
306 private synchronized void onUpdateMessage(final Update message) throws BGPDocumentedException {
307 checkMandatoryAttributesPresence(message);
310 final Attributes attrs = message.getAttributes();
312 final boolean isAnyNlriAnnounced = message.getNlri() != null;
313 if (isAnyNlriAnnounced) {
314 mpReach = prefixesToMpReach(message);
316 mpReach = MessageUtil.getMpReachNlri(attrs);
318 if (mpReach != null) {
319 this.ribWriter.updateRoutes(mpReach, nextHopToAttribute(attrs, mpReach));
321 MpUnreachNlri mpUnreach;
322 if (message.getWithdrawnRoutes() != null) {
323 mpUnreach = prefixesToMpUnreach(message, isAnyNlriAnnounced);
325 mpUnreach = MessageUtil.getMpUnreachNlri(attrs);
327 if (mpUnreach != null) {
328 this.ribWriter.removeRoutes(mpUnreach);
333 public synchronized void onSessionUp(final BGPSession session) {
334 this.session = session;
335 if (this.session instanceof BGPSessionStateProvider) {
336 ((BGPSessionStateProvider) this.session).registerMessagesCounter(this);
338 final List<AddressFamilies> addPathTablesType = session.getAdvertisedAddPathTableTypes();
339 final Set<BgpTableType> advertizedTableTypes = session.getAdvertisedTableTypes();
340 final List<BgpTableType> advertizedGracefulRestartTableTypes = session.getAdvertisedGracefulRestartTableTypes();
341 LOG.info("Session with peer {} went up with tables {} and Add Path tables {}", this.name,
342 advertizedTableTypes, addPathTablesType);
343 this.rawIdentifier = InetAddresses.forString(session.getBgpId().getValue()).getAddress();
344 this.peerId = RouterIds.createPeerId(session.getBgpId());
345 final Set<TablesKey> setTables = advertizedTableTypes.stream().map(t -> new TablesKey(t.getAfi(), t.getSafi()))
346 .collect(Collectors.toSet());
347 this.tables = ImmutableSet.copyOf(setTables);
349 setAdvertizedGracefulRestartTableTypes(advertizedGracefulRestartTableTypes.stream()
350 .map(t -> new TablesKey(t.getAfi(), t.getSafi())).collect(Collectors.toList()));
351 this.addPathTableMaps = ImmutableMap.copyOf(mapTableTypesFamilies(addPathTablesType));
352 this.trackerRegistration = this.rib.getPeerTracker().registerPeer(this);
354 for (final TablesKey key : this.tables) {
355 createAdjRibOutListener(key, true);
360 this.effRibInWriter = EffectiveRibInWriter.create(this, this.rib, this.rib.createPeerChain(this),
361 this.peerIId, this.tables);
364 registerPrefixesCounters(this.effRibInWriter, this.effRibInWriter);
365 this.ribWriter = this.ribWriter.transform(this.peerId, this.rib.getRibSupportContext(), this.tables,
366 this.addPathTableMaps);
368 if (this.rpcRegistry != null) {
369 this.rpcRegistration = this.rpcRegistry.addRoutedRpcImplementation(BgpPeerRpcService.class,
370 new BgpPeerRpc(this, session, this.tables));
371 final KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib
372 .rev171207.bgp.rib.rib.Peer, PeerKey> path = this.rib.getInstanceIdentifier()
373 .child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.bgp.rib
374 .rib.Peer.class, new PeerKey(this.peerId));
375 this.rpcRegistration.registerPath(PeerContext.class, path);
379 //try to add a support for old-school BGP-4, if peer did not advertise IPv4-Unicast MP capability
380 private synchronized void addBgp4Support() {
381 final TablesKey key = new TablesKey(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
382 if (!this.tables.contains(key)) {
383 final HashSet<TablesKey> newSet = new HashSet<>(this.tables);
385 this.tables = ImmutableSet.copyOf(newSet);
386 createAdjRibOutListener(key, false);
390 private synchronized void createAdjRibOutListener(final TablesKey key,
391 final boolean mpSupport) {
392 final RIBSupport ribSupport = this.rib.getRibSupportContext().getRIBSupport(key);
394 // not particularly nice
395 if (ribSupport != null && this.session instanceof BGPSessionImpl) {
396 final ChannelOutputLimiter limiter = ((BGPSessionImpl) this.session).getLimiter();
397 final AdjRibOutListener adjRibOut = AdjRibOutListener.create(this.peerId, key,
398 this.rib.getYangRibId(), this.rib.getCodecsRegistry(), ribSupport,
399 this.rib.getService(), limiter, mpSupport);
400 this.adjRibOutListenerSet.put(key, adjRibOut);
401 registerPrefixesSentCounter(key, adjRibOut);
405 private synchronized ListenableFuture<Void> cleanup() {
406 // FIXME: BUG-196: support graceful
407 this.adjRibOutListenerSet.values().forEach(AdjRibOutListener::close);
408 this.adjRibOutListenerSet.clear();
409 if (this.effRibInWriter != null) {
410 this.effRibInWriter.close();
412 this.tables = Collections.emptySet();
413 this.addPathTableMaps = Collections.emptyMap();
414 if (this.ribWriter != null) {
415 return this.ribWriter.removePeer();
417 return Futures.immediateFuture(null);
421 public synchronized void onSessionDown(final BGPSession session, final Exception e) {
422 if (e.getMessage().equals(BGPSessionImpl.END_OF_INPUT)) {
423 LOG.info("Session with peer {} went down", this.name);
425 LOG.info("Session with peer {} went down", this.name, e);
431 public synchronized void onSessionTerminated(final BGPSession session, final BGPTerminationReason cause) {
432 LOG.info("Session with peer {} terminated: {}", this.name, cause);
437 public String toString() {
438 return addToStringAttributes(MoreObjects.toStringHelper(this)).toString();
441 protected ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) {
442 toStringHelper.add("name", this.name);
443 toStringHelper.add("tables", this.tables);
444 return toStringHelper;
448 public String getName() {
453 public synchronized ListenableFuture<Void> releaseConnection() {
454 if (this.rpcRegistration != null) {
455 this.rpcRegistration.close();
458 final ListenableFuture<Void> future = cleanup();
460 if (this.session != null) {
462 this.session.close();
463 } catch (final Exception e) {
464 LOG.warn("Error closing session with peer", e);
472 private synchronized void closeRegistration() {
473 if (this.trackerRegistration != null) {
474 this.trackerRegistration.close();
475 this.trackerRegistration = null;
480 public synchronized byte[] getRawIdentifier() {
481 return Arrays.copyOf(this.rawIdentifier, this.rawIdentifier.length);
485 public PeerId getPeerId() {
489 @SuppressFBWarnings("IS2_INCONSISTENT_SYNC")
491 public SendReceive getSupportedAddPathTables(final TablesKey tableKey) {
492 return this.addPathTableMaps.get(tableKey);
496 public boolean supportsTable(final TablesKey tableKey) {
497 return this.tables.contains(tableKey);
501 public PeerRole getRole() {
502 return this.peerRole;
506 public ClusterIdentifier getClusterId() {
507 return this.clusterId;
511 public KeyedInstanceIdentifier<Tables, TablesKey> getRibOutIId(final TablesKey tablesKey) {
512 return this.tablesIId.getUnchecked(tablesKey);
516 public synchronized void onTransactionChainFailed(final TransactionChain<?, ?> chain,
517 final AsyncTransaction<?, ?> transaction, final Throwable cause) {
518 LOG.error("Transaction chain failed.", cause);
522 this.chain = this.rib.createPeerDOMChain(this);
523 this.ribWriter = AdjRibInWriter.create(this.rib.getYangRibId(), this.peerRole, this.chain);
524 releaseConnection();*/
528 public void onTransactionChainSuccessful(final TransactionChain<?, ?> chain) {
529 LOG.debug("Transaction chain {} successful.", chain);
533 public synchronized void markUptodate(final TablesKey tablesKey) {
534 this.ribWriter.markTableUptodate(tablesKey);
538 public BGPErrorHandlingState getBGPErrorHandlingState() {
543 public BGPAfiSafiState getBGPAfiSafiState() {
548 public synchronized BGPSessionState getBGPSessionState() {
549 if (this.session instanceof BGPSessionStateProvider) {
550 return ((BGPSessionStateProvider) this.session).getBGPSessionState();
556 public synchronized BGPTimersState getBGPTimersState() {
557 if (this.session instanceof BGPSessionStateProvider) {
558 return ((BGPSessionStateProvider) this.session).getBGPTimersState();
564 public synchronized BGPTransportState getBGPTransportState() {
565 if (this.session instanceof BGPSessionStateProvider) {
566 return ((BGPSessionStateProvider) this.session).getBGPTransportState();
572 public PeerRole getFromPeerRole() {
577 public PeerId getFromPeerId() {
582 public ClusterIdentifier getFromClusterId() {
583 return getClusterId();