/*
- * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
+ * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
*/
package org.opendaylight.protocol.bgp.rib.impl;
-import java.util.Set;
+import static org.opendaylight.protocol.bgp.rib.impl.AdjRibInWriter.isAnnounceNone;
+import static org.opendaylight.protocol.bgp.rib.impl.AdjRibInWriter.isLearnNone;
-import org.opendaylight.protocol.bgp.parser.BGPSession;
-import org.opendaylight.protocol.bgp.parser.BGPSessionListener;
-import org.opendaylight.protocol.bgp.parser.BGPTableType;
-import org.opendaylight.protocol.bgp.parser.BGPTerminationReason;
+import com.google.common.base.MoreObjects;
+import com.google.common.base.MoreObjects.ToStringHelper;
+import com.google.common.base.Preconditions;
+import com.google.common.net.InetAddresses;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+import java.util.stream.Collectors;
+import javax.annotation.concurrent.GuardedBy;
+import org.opendaylight.controller.config.yang.bgp.rib.impl.BGPPeerRuntimeMXBean;
+import org.opendaylight.controller.config.yang.bgp.rib.impl.BGPPeerRuntimeRegistration;
+import org.opendaylight.controller.config.yang.bgp.rib.impl.BGPPeerRuntimeRegistrator;
+import org.opendaylight.controller.config.yang.bgp.rib.impl.BgpPeerState;
+import org.opendaylight.controller.config.yang.bgp.rib.impl.BgpSessionState;
+import org.opendaylight.controller.md.sal.common.api.data.AsyncTransaction;
+import org.opendaylight.controller.md.sal.common.api.data.TransactionChain;
+import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
+import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
+import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RoutedRpcRegistration;
+import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
+import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
+import org.opendaylight.protocol.bgp.parser.BGPError;
+import org.opendaylight.protocol.bgp.parser.impl.message.update.LocalPreferenceAttributeParser;
+import org.opendaylight.protocol.bgp.parser.spi.MessageUtil;
+import org.opendaylight.protocol.bgp.rib.impl.spi.RIB;
+import org.opendaylight.protocol.bgp.rib.impl.spi.RIBSupportContext;
+import org.opendaylight.protocol.bgp.rib.impl.stats.peer.BGPPeerStats;
+import org.opendaylight.protocol.bgp.rib.impl.stats.peer.BGPPeerStatsImpl;
+import org.opendaylight.protocol.bgp.rib.impl.stats.peer.BGPSessionStats;
+import org.opendaylight.protocol.bgp.rib.spi.BGPSession;
+import org.opendaylight.protocol.bgp.rib.spi.BGPSessionListener;
+import org.opendaylight.protocol.bgp.rib.spi.BGPTerminationReason;
+import org.opendaylight.protocol.bgp.rib.spi.IdentifierUtils;
import org.opendaylight.protocol.bgp.rib.spi.Peer;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130918.Update;
+import org.opendaylight.protocol.bgp.rib.spi.RouterIds;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.prefixes.DestinationIpv4Builder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.prefixes.destination.ipv4.Ipv4Prefixes;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.prefixes.destination.ipv4.Ipv4PrefixesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationIpv4CaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Update;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.Attributes;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AttributesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.RouteRefresh;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.add.path.capability.AddressFamilies;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpReachNlri;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpReachNlriBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpUnreachNlri;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpUnreachNlriBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.mp.reach.nlri.AdvertizedRoutesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.mp.unreach.nlri.WithdrawnRoutesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.peer.rpc.rev160322.BgpPeerRpcService;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.peer.rpc.rev160322.PeerContext;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.PeerId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.PeerRole;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.SimpleRoutingPolicy;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.PeerKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.TablesKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.AddressFamily;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.SubsequentAddressFamily;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
+import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
import org.opendaylight.yangtools.yang.binding.Notification;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import com.google.common.base.Objects;
-import com.google.common.base.Objects.ToStringHelper;
-import com.google.common.base.Preconditions;
-
/**
* Class representing a peer. We have a single instance for each peer, which provides translation from BGP events into
* RIB actions.
*/
-public final class BGPPeer implements BGPSessionListener, Peer {
- private static final Logger logger = LoggerFactory.getLogger(BGPPeer.class);
- private Set<TablesKey> tables;
- private final String name;
- private final RIBImpl rib;
-
- public BGPPeer(final RIBImpl rib, final String name) {
- this.rib = Preconditions.checkNotNull(rib);
- this.name = Preconditions.checkNotNull(name);
- }
-
- @Override
- public void onMessage(final BGPSession session, final Notification message) {
- if (message instanceof Update) {
- this.rib.updateTables(this, (Update)message);
- } else {
- logger.info("Ignoring unhandled message class " + message.getClass());
- }
- }
-
- @Override
- public void onSessionUp(final BGPSession session) {
- logger.info("Session with peer {} went up with tables: {}", this.name, session.getAdvertisedTableTypes());
-
- for (BGPTableType t : session.getAdvertisedTableTypes()) {
- tables.add(new TablesKey(t.getAddressFamily(), t.getSubsequentAddressFamily()));
- }
- }
-
- @Override
- public void onSessionDown(final BGPSession session, final Exception e) {
- // FIXME: support graceful restart
- for (final TablesKey key : this.tables) {
- this.rib.clearTable(this, key);
- }
-
- tables.clear();
- }
-
- @Override
- public void onSessionTerminated(final BGPSession session, final BGPTerminationReason cause) {
- logger.info("Session with peer {} terminated: {}", this.name, cause);
- }
-
- @Override
- public final String toString() {
- return addToStringAttributes(Objects.toStringHelper(this)).toString();
- }
-
- protected ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) {
- toStringHelper.add("name", this.name);
- toStringHelper.add("tables", this.tables);
- return toStringHelper;
- }
+public class BGPPeer implements BGPSessionListener, Peer, AutoCloseable, BGPPeerRuntimeMXBean, TransactionChainListener {
+
+ private static final Logger LOG = LoggerFactory.getLogger(BGPPeer.class);
+
+ @GuardedBy("this")
+ private final Set<TablesKey> tables = new HashSet<>();
+ @GuardedBy("this")
+ private BGPSession session;
+ @GuardedBy("this")
+ private byte[] rawIdentifier;
+ @GuardedBy("this")
+ private DOMTransactionChain chain;
+ @GuardedBy("this")
+ private AdjRibInWriter ribWriter;
+ @GuardedBy("this")
+ private EffectiveRibInWriter effRibInWriter;
+
+ private final RIB rib;
+ private final String name;
+ private BGPPeerRuntimeRegistrator registrator;
+ private BGPPeerRuntimeRegistration runtimeReg;
+ private final Map<TablesKey, AdjRibOutListener> adjRibOutListenerSet = new HashMap();
+ private final RpcProviderRegistry rpcRegistry;
+ private RoutedRpcRegistration<BgpPeerRpcService> rpcRegistration;
+ private final PeerRole peerRole;
+ private final Optional<SimpleRoutingPolicy> simpleRoutingPolicy;
+ private final BGPPeerStats peerStats;
+
+ public BGPPeer(final String name, final RIB rib, final PeerRole role, final SimpleRoutingPolicy peerStatus, final RpcProviderRegistry rpcRegistry) {
+ this.peerRole = role;
+ this.simpleRoutingPolicy = Optional.ofNullable(peerStatus);
+ this.rib = Preconditions.checkNotNull(rib);
+ this.name = name;
+ this.rpcRegistry = rpcRegistry;
+ this.peerStats = new BGPPeerStatsImpl(this.name, this.tables);
+
+ // add current peer to "configured BGP peer" stats
+ this.rib.getRenderStats().getConfiguredPeerCounter().increaseCount();
+ this.chain = rib.createPeerChain(this);
+ }
+
+ public BGPPeer(final String name, final RIB rib, final PeerRole role, final RpcProviderRegistry rpcRegistry) {
+ this(name, rib, role, null, rpcRegistry);
+ }
+
+ public void instantiateServiceInstance() {
+ this.ribWriter = AdjRibInWriter.create(rib.getYangRibId(), this.peerRole, this.simpleRoutingPolicy, this.chain);
+ }
+
+ @Override
+ public synchronized void close() {
+ releaseConnection();
+ this.chain.close();
+ }
+
+ @Override
+ public void onMessage(final BGPSession session, final Notification msg) throws BGPDocumentedException {
+ if (!(msg instanceof Update) && !(msg instanceof RouteRefresh)) {
+ LOG.info("Ignoring unhandled message class {}", msg.getClass());
+ return;
+ }
+ if (msg instanceof Update) {
+ onUpdateMessage((Update) msg);
+ } else {
+ onRouteRefreshMessage((RouteRefresh) msg, session);
+ }
+ }
+
+ private void onRouteRefreshMessage(final RouteRefresh message, final BGPSession session) {
+ final Class<? extends AddressFamily> rrAfi = message.getAfi();
+ final Class<? extends SubsequentAddressFamily> rrSafi = message.getSafi();
+
+ final TablesKey key = new TablesKey(rrAfi, rrSafi);
+ final AdjRibOutListener listener = this.adjRibOutListenerSet.get(key);
+ if (listener != null) {
+ listener.close();
+ this.adjRibOutListenerSet.remove(key);
+ createAdjRibOutListener(RouterIds.createPeerId(session.getBgpId()), key, listener.isMpSupported());
+ } else {
+ LOG.info("Ignoring RouteRefresh message. Afi/Safi is not supported: {}, {}.", rrAfi, rrSafi);
+ }
+ }
+
+ /**
+ * Check for presence of well known mandatory attribute LOCAL_PREF in Update message
+ *
+ * @param message Update message
+ * @throws BGPDocumentedException
+ */
+ private void checkMandatoryAttributesPresence(final Update message) throws BGPDocumentedException {
+ if (MessageUtil.isAnyNlriPresent(message)) {
+ final Attributes attrs = message.getAttributes();
+ if (this.peerRole == PeerRole.Ibgp && (attrs == null || attrs.getLocalPref() == null)) {
+ throw new BGPDocumentedException(BGPError.MANDATORY_ATTR_MISSING_MSG + "LOCAL_PREF",
+ BGPError.WELL_KNOWN_ATTR_MISSING,
+ new byte[] { LocalPreferenceAttributeParser.TYPE });
+ }
+ }
+ }
+
+ /**
+ * Process Update message received.
+ * Calls {@link #checkMandatoryAttributesPresence(Update)} to check for presence of mandatory attributes.
+ *
+ * @param message Update message
+ * @throws BGPDocumentedException
+ */
+ private void onUpdateMessage(final Update message) throws BGPDocumentedException {
+ checkMandatoryAttributesPresence(message);
+
+ // update AdjRibs
+ final Attributes attrs = message.getAttributes();
+ MpReachNlri mpReach = null;
+ final boolean isAnyNlriAnnounced = message.getNlri() != null;
+ if (isAnyNlriAnnounced) {
+ mpReach = prefixesToMpReach(message);
+ } else {
+ mpReach = MessageUtil.getMpReachNlri(attrs);
+ }
+ if (mpReach != null) {
+ this.ribWriter.updateRoutes(mpReach, nextHopToAttribute(attrs, mpReach));
+ }
+ MpUnreachNlri mpUnreach = null;
+ if (message.getWithdrawnRoutes() != null) {
+ mpUnreach = prefixesToMpUnreach(message, isAnyNlriAnnounced);
+ } else {
+ mpUnreach = MessageUtil.getMpUnreachNlri(attrs);
+ }
+ if (mpUnreach != null) {
+ this.ribWriter.removeRoutes(mpUnreach);
+ }
+ }
+
+ private static Attributes nextHopToAttribute(final Attributes attrs, final MpReachNlri mpReach) {
+ if (attrs.getCNextHop() == null && mpReach.getCNextHop() != null) {
+ final AttributesBuilder attributesBuilder = new AttributesBuilder(attrs);
+ attributesBuilder.setCNextHop(mpReach.getCNextHop());
+ return attributesBuilder.build();
+ }
+ return attrs;
+ }
+
+ /**
+ * Creates MPReach for the prefixes to be handled in the same way as linkstate routes
+ *
+ * @param message Update message containing prefixes in NLRI
+ * @return MpReachNlri with prefixes from the nlri field
+ */
+ private static MpReachNlri prefixesToMpReach(final Update message) {
+ final List<Ipv4Prefixes> prefixes = new ArrayList<>();
+ for (final Ipv4Prefix p : message.getNlri().getNlri()) {
+ prefixes.add(new Ipv4PrefixesBuilder().setPrefix(p).build());
+ }
+ final MpReachNlriBuilder b = new MpReachNlriBuilder().setAfi(Ipv4AddressFamily.class).setSafi(
+ UnicastSubsequentAddressFamily.class).setAdvertizedRoutes(
+ new AdvertizedRoutesBuilder().setDestinationType(
+ new DestinationIpv4CaseBuilder().setDestinationIpv4(
+ new DestinationIpv4Builder().setIpv4Prefixes(prefixes).build()).build()).build());
+ if (message.getAttributes() != null) {
+ b.setCNextHop(message.getAttributes().getCNextHop());
+ }
+ return b.build();
+ }
+
+ /**
+ * Create MPUnreach for the prefixes to be handled in the same way as linkstate routes
+ *
+ * @param message Update message containing withdrawn routes
+ * @param isAnyNlriAnnounced
+ * @return MpUnreachNlri with prefixes from the withdrawn routes field
+ */
+ private static MpUnreachNlri prefixesToMpUnreach(final Update message, final boolean isAnyNlriAnnounced) {
+ final List<Ipv4Prefixes> prefixes = new ArrayList<>();
+ for (final Ipv4Prefix p : message.getWithdrawnRoutes().getWithdrawnRoutes()) {
+ boolean nlriAnounced = false;
+ if(isAnyNlriAnnounced) {
+ nlriAnounced = message.getNlri().getNlri().contains(p);
+ }
+
+ if(!nlriAnounced) {
+ prefixes.add(new Ipv4PrefixesBuilder().setPrefix(p).build());
+ }
+ }
+ return new MpUnreachNlriBuilder().setAfi(Ipv4AddressFamily.class).setSafi(UnicastSubsequentAddressFamily.class).setWithdrawnRoutes(
+ new WithdrawnRoutesBuilder().setDestinationType(
+ new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationIpv4CaseBuilder().setDestinationIpv4(
+ new DestinationIpv4Builder().setIpv4Prefixes(prefixes).build()).build()).build()).build();
+ }
+
+ @Override
+ public synchronized void onSessionUp(final BGPSession session) {
+ final List<AddressFamilies> addPathTablesType = session.getAdvertisedAddPathTableTypes();
+ LOG.info("Session with peer {} went up with tables {} and Add Path tables {}", this.name, addPathTablesType,
+ session.getAdvertisedAddPathTableTypes());
+ this.session = session;
+
+ this.rawIdentifier = InetAddresses.forString(session.getBgpId().getValue()).getAddress();
+ final PeerId peerId = RouterIds.createPeerId(session.getBgpId());
+
+ this.tables.addAll(this.session.getAdvertisedTableTypes().stream().map(t -> new TablesKey(t.getAfi(), t.getSafi())).collect(Collectors.toList()));
+ final boolean announceNone = isAnnounceNone(this.simpleRoutingPolicy);
+ if(!announceNone) {
+ createAdjRibOutListener(peerId);
+ }
+ addBgp4Support(peerId, announceNone);
+
+ if(!isLearnNone(this.simpleRoutingPolicy)) {
+ final YangInstanceIdentifier peerIId = this.rib.getYangRibId().node(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.Peer.QNAME).node(IdentifierUtils.domPeerId(peerId));
+ this.effRibInWriter = EffectiveRibInWriter.create(this.rib.getService(), this.rib.createPeerChain(this), peerIId, this.rib.getImportPolicyPeerTracker(),
+ this.rib.getRibSupportContext(), this.peerRole, this.peerStats.getEffectiveRibInRouteCounters(), this.peerStats.getAdjRibInRouteCounters());
+ }
+ this.ribWriter = this.ribWriter.transform(peerId, this.rib.getRibSupportContext(), this.tables, addPathTablesType);
+
+ // register BGP Peer stats
+ this.peerStats.getSessionEstablishedCounter().increaseCount();
+ if (this.registrator != null) {
+ this.runtimeReg = this.registrator.register(this);
+ }
+
+ if (this.rpcRegistry != null) {
+ this.rpcRegistration = this.rpcRegistry.addRoutedRpcImplementation(BgpPeerRpcService.class, new BgpPeerRpc(session, this.tables));
+ final KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.Peer, PeerKey> path =
+ this.rib.getInstanceIdentifier().child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.Peer.class, new PeerKey(peerId));
+ this.rpcRegistration.registerPath(PeerContext.class, path);
+ }
+
+ this.rib.getRenderStats().getConnectedPeerCounter().increaseCount();
+ }
+
+ private void createAdjRibOutListener(final PeerId peerId) {
+ this.tables.forEach(key->createAdjRibOutListener(peerId, key, true));
+ }
+
+ //try to add a support for old-school BGP-4, if peer did not advertise IPv4-Unicast MP capability
+ private void addBgp4Support(final PeerId peerId, final boolean announceNone) {
+ final TablesKey key = new TablesKey(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
+ if (this.tables.add(key) && !announceNone) {
+ createAdjRibOutListener(peerId, key, false);
+ }
+ }
+
+ private void createAdjRibOutListener(final PeerId peerId, final TablesKey key, final boolean mpSupport) {
+ final RIBSupportContext context = this.rib.getRibSupportContext().getRIBSupportContext(key);
+
+ // not particularly nice
+ if (context != null && this.session instanceof BGPSessionImpl) {
+ this.adjRibOutListenerSet.put(key, AdjRibOutListener.create(peerId, key, this.rib.getYangRibId(), this.rib.getCodecsRegistry(),
+ context.getRibSupport(), this.rib.getService(), ((BGPSessionImpl) this.session).getLimiter(), mpSupport, this.peerStats.getAdjRibOutRouteCounters().init(key)));
+ }
+ }
+
+ private synchronized void cleanup() {
+ // FIXME: BUG-196: support graceful
+ this.adjRibOutListenerSet.values().forEach(AdjRibOutListener::close);
+ this.adjRibOutListenerSet.clear();
+ if (this.effRibInWriter != null) {
+ this.effRibInWriter.close();
+ }
+ if(this.ribWriter != null) {
+ this.ribWriter.removePeer();
+ }
+ this.tables.clear();
+ }
+
+ @Override
+ public void onSessionDown(final BGPSession session, final Exception e) {
+ if(e.getMessage().equals(BGPSessionImpl.END_OF_INPUT)) {
+ LOG.info("Session with peer {} went down", this.name);
+ } else {
+ LOG.info("Session with peer {} went down", this.name, e);
+ }
+ releaseConnection();
+ }
+
+ @Override
+ public void onSessionTerminated(final BGPSession session, final BGPTerminationReason cause) {
+ LOG.info("Session with peer {} terminated: {}", this.name, cause);
+ releaseConnection();
+ }
+
+ @Override
+ public String toString() {
+ return addToStringAttributes(MoreObjects.toStringHelper(this)).toString();
+ }
+
+ protected ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) {
+ toStringHelper.add("name", this.name);
+ toStringHelper.add("tables", this.tables);
+ return toStringHelper;
+ }
+
+ @Override
+ public String getName() {
+ return this.name;
+ }
+
+ @Override
+ public void releaseConnection() {
+ if (this.rpcRegistration != null) {
+ this.rpcRegistration.close();
+ }
+ addPeerToDisconnectedSharedList();
+ cleanup();
+ dropConnection();
+ }
+
+ private void addPeerToDisconnectedSharedList() {
+ if(this.session != null) {
+ this.rib.getCacheDisconnectedPeers().insertDesconectedPeer(this.session.getBgpId());
+ }
+ }
+
+ @GuardedBy("this")
+ private void dropConnection() {
+ if (this.runtimeReg != null) {
+ this.runtimeReg.close();
+ this.runtimeReg = null;
+ }
+ if (this.session != null) {
+ try {
+ this.session.close();
+ } catch (final Exception e) {
+ LOG.warn("Error closing session with peer", e);
+ }
+ this.session = null;
+
+ this.rib.getRenderStats().getConnectedPeerCounter().decreaseCount();
+ }
+ }
+
+ @Override
+ public boolean isSessionActive() {
+ return this.session != null;
+ }
+
+ @Override
+ public synchronized byte[] getRawIdentifier() {
+ return Arrays.copyOf(this.rawIdentifier, this.rawIdentifier.length);
+ }
+
+ @Override
+ public void resetSession() {
+ releaseConnection();
+ }
+
+ @Override
+ public void resetStats() {
+ if (this.session instanceof BGPSessionStats) {
+ ((BGPSessionStats) this.session).resetBgpSessionStats();
+ }
+ }
+
+ public synchronized void registerRootRuntimeBean(final BGPPeerRuntimeRegistrator registrator) {
+ this.registrator = registrator;
+ }
+
+ @Override
+ public BgpSessionState getBgpSessionState() {
+ if (this.session instanceof BGPSessionStats) {
+ return ((BGPSessionStats) this.session).getBgpSessionState();
+ }
+ return new BgpSessionState();
+ }
+
+ @Override
+ public synchronized BgpPeerState getBgpPeerState() {
+ return this.peerStats.getBgpPeerState();
+ }
+
+ @Override
+ public void onTransactionChainFailed(final TransactionChain<?, ?> chain, final AsyncTransaction<?, ?> transaction, final Throwable cause) {
+ LOG.error("Transaction chain failed.", cause);
+ this.chain.close();
+ this.chain = this.rib.createPeerChain(this);
+ this.ribWriter = AdjRibInWriter.create(this.rib.getYangRibId(), this.peerRole, this.simpleRoutingPolicy, this.chain);
+ releaseConnection();
+ }
+
+ @Override
+ public void onTransactionChainSuccessful(final TransactionChain<?, ?> chain) {
+ LOG.debug("Transaction chain {} successfull.", chain);
+ }
+
+ @Override
+ public void markUptodate(final TablesKey tablesKey) {
+ this.ribWriter.markTableUptodate(tablesKey);
+ }
}