* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
-
package org.opendaylight.protocol.bgp.rib.impl;
+import static java.util.Objects.requireNonNull;
+
+import com.google.common.base.MoreObjects;
+import com.google.common.base.MoreObjects.ToStringHelper;
import com.google.common.base.Objects;
-import com.google.common.base.Objects.ToStringHelper;
-import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableMap;
import com.google.common.net.InetAddresses;
-
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+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.protocol.bgp.rib.impl.spi.AdjRIBsOutRegistration;
+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.ReusableBGPPeer;
+import org.opendaylight.protocol.bgp.rib.impl.spi.RIBSupportContext;
+import org.opendaylight.protocol.bgp.rib.impl.state.BGPPeerStateImpl;
+import org.opendaylight.protocol.bgp.rib.impl.state.BGPSessionStateProvider;
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.ExportPolicyPeerTracker;
+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.rev130919.Update;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.TablesKey;
+import org.opendaylight.protocol.bgp.rib.spi.RouterIds;
+import org.opendaylight.protocol.bgp.rib.spi.policy.BGPRouteEntryImportParameters;
+import org.opendaylight.protocol.bgp.rib.spi.state.BGPAfiSafiState;
+import org.opendaylight.protocol.bgp.rib.spi.state.BGPErrorHandlingState;
+import org.opendaylight.protocol.bgp.rib.spi.state.BGPSessionState;
+import org.opendaylight.protocol.bgp.rib.spi.state.BGPTimersState;
+import org.opendaylight.protocol.bgp.rib.spi.state.BGPTransportState;
+import org.opendaylight.protocol.concepts.AbstractRegistration;
+import org.opendaylight.protocol.util.Ipv4Util;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv4.prefixes.DestinationIpv4Builder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv4.prefixes.destination.ipv4.Ipv4Prefixes;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv4.prefixes.destination.ipv4.Ipv4PrefixesBuilder;
+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;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.Update;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.Attributes;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.AttributesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.update.message.Nlri;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.BgpAddPathTableType;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.BgpTableType;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.RouteRefresh;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.SendReceive;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.mp.capabilities.add.path.capability.AddressFamilies;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.update.attributes.MpReachNlri;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.update.attributes.MpReachNlriBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.update.attributes.MpUnreachNlri;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.update.attributes.MpUnreachNlriBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.update.attributes.mp.reach.nlri.AdvertizedRoutesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.update.attributes.mp.unreach.nlri.WithdrawnRoutesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.peer.rpc.rev171207.BgpPeerRpcService;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.peer.rpc.rev171207.PeerContext;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.PeerId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.PeerRole;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.bgp.rib.rib.PeerKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.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;
-
/**
* Class representing a peer. We have a single instance for each peer, which provides translation from BGP events into
* RIB actions.
*/
-public class BGPPeer implements ReusableBGPPeer, Peer, AutoCloseable {
+public class BGPPeer extends BGPPeerStateImpl implements BGPRouteEntryImportParameters,
+ BGPSessionListener, Peer, TransactionChainListener {
private static final Logger LOG = LoggerFactory.getLogger(BGPPeer.class);
@GuardedBy("this")
private final Set<TablesKey> tables = new HashSet<>();
private final RIB rib;
private final String name;
-
+ private final Map<TablesKey, AdjRibOutListener> adjRibOutListenerSet = new HashMap<>();
+ private final RpcProviderRegistry rpcRegistry;
+ private final PeerRole peerRole;
+ private final KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib
+ .rev171207.bgp.rib.rib.Peer, PeerKey> peerIId;
+ @GuardedBy("this")
+ private AbstractRegistration trackerRegistration;
+ @GuardedBy("this")
+ private final Set<AbstractRegistration> tableRegistration = new HashSet<>();
+ private final PeerId peerId;
+ private final YangInstanceIdentifier peerYIId;
@GuardedBy("this")
private BGPSession session;
@GuardedBy("this")
private byte[] rawIdentifier;
@GuardedBy("this")
- private AdjRIBsOutRegistration reg;
+ private DOMTransactionChain chain;
+ @GuardedBy("this")
+ private AdjRibInWriter ribWriter;
+ @GuardedBy("this")
+ private EffectiveRibInWriter effRibInWriter;
+ private RoutedRpcRegistration<BgpPeerRpcService> rpcRegistration;
+ private Map<TablesKey, SendReceive> addPathTableMaps = Collections.emptyMap();
- public BGPPeer(final String name, final RIB rib) {
- this.rib = Preconditions.checkNotNull(rib);
- this.name = name;
+ public BGPPeer(final IpAddress neighborAddress, final RIB rib, final PeerRole role,
+ final RpcProviderRegistry rpcRegistry,
+ final Set<TablesKey> afiSafisAdvertized,
+ final Set<TablesKey> afiSafisGracefulAdvertized) {
+ //FIXME BUG-6971 Once Peer Group is implemented, pass it
+ super(rib.getInstanceIdentifier(), null, neighborAddress, afiSafisAdvertized,
+ afiSafisGracefulAdvertized);
+ this.peerRole = role;
+ this.rib = requireNonNull(rib);
+ this.name = Ipv4Util.toStringIP(neighborAddress);
+ this.rpcRegistry = rpcRegistry;
+ this.peerId = RouterIds.createPeerId(neighborAddress);
+ this.peerIId = getInstanceIdentifier().child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns
+ .yang.bgp.rib.rev171207.bgp.rib.rib.Peer.class, new PeerKey(this.peerId));
+ this.peerYIId = this.rib.getYangRibId().node(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang
+ .bgp.rib.rev171207.bgp.rib.rib.Peer.QNAME).node(IdentifierUtils.domPeerId(this.peerId));
+ this.chain = rib.createPeerDOMChain(this);
}
+ 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 = message.getNlri().stream()
+ .map(n -> new Ipv4PrefixesBuilder().setPrefix(n.getPrefix()).setPathId(n.getPathId()).build())
+ .collect(Collectors.toList());
+ 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 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<>();
+ message.getWithdrawnRoutes().forEach(w -> {
+
+ Optional<Nlri> nlriAnounced = Optional.empty();
+ if (isAnyNlriAnnounced) {
+ nlriAnounced = message.getNlri().stream().filter(n -> Objects.equal(n.getPrefix(), w.getPrefix())
+ && Objects.equal(n.getPathId(), w.getPathId()))
+ .findAny();
+ }
+ if (!nlriAnounced.isPresent()) {
+ prefixes.add(new Ipv4PrefixesBuilder().setPrefix(w.getPrefix()).setPathId(w.getPathId()).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.rev171207.update.attributes.mp.unreach.nlri
+ .withdrawn.routes.destination.type.DestinationIpv4CaseBuilder().setDestinationIpv4(
+ new DestinationIpv4Builder().setIpv4Prefixes(prefixes).build()).build()).build()).build();
+ }
+
+ private static Map<TablesKey, SendReceive> mapTableTypesFamilies(final List<AddressFamilies> addPathTablesType) {
+ return ImmutableMap.copyOf(addPathTablesType.stream().collect(Collectors.toMap(af -> new TablesKey(af.getAfi(),
+ af.getSafi()),
+ BgpAddPathTableType::getSendReceive)));
+ }
+
+ public synchronized void instantiateServiceInstance() {
+ this.ribWriter = AdjRibInWriter.create(this.rib.getYangRibId(), this.peerRole, this.chain);
+ setActive(true);
+ }
+
+ // FIXME ListenableFuture<?> should be used once closeServiceInstance uses wildcard too
@Override
- public synchronized void close() {
- dropConnection();
- // TODO should this perform cleanup ?
+ public synchronized ListenableFuture<Void> close() {
+ final ListenableFuture<Void> future = releaseConnection();
+ this.chain.close();
+ setActive(false);
+ return future;
}
@Override
- public void onMessage(final BGPSession session, final Notification message) {
- if (message instanceof Update) {
- this.rib.updateTables(this, (Update) message);
+ 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 {
- LOG.info("Ignoring unhandled message class {}", message.getClass());
+ onRouteRefreshMessage((RouteRefresh) msg);
+ }
+ }
+
+ private void onRouteRefreshMessage(final RouteRefresh message) {
+ 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(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
+ */
+ 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
+ */
+ private synchronized void onUpdateMessage(final Update message) throws BGPDocumentedException {
+ checkMandatoryAttributesPresence(message);
+
+ // update AdjRibs
+ final Attributes attrs = message.getAttributes();
+ MpReachNlri mpReach;
+ 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;
+ if (message.getWithdrawnRoutes() != null) {
+ mpUnreach = prefixesToMpUnreach(message, isAnyNlriAnnounced);
+ } else {
+ mpUnreach = MessageUtil.getMpUnreachNlri(attrs);
+ }
+ if (mpUnreach != null) {
+ this.ribWriter.removeRoutes(mpUnreach);
}
}
@Override
public synchronized void onSessionUp(final BGPSession session) {
- LOG.info("Session with peer {} went up with tables: {}", this.name, session.getAdvertisedTableTypes());
-
this.session = session;
+ if (this.session instanceof BGPSessionStateProvider) {
+ ((BGPSessionStateProvider) this.session).registerMessagesCounter(this);
+ }
+ final List<AddressFamilies> addPathTablesType = session.getAdvertisedAddPathTableTypes();
+ final Set<BgpTableType> advertizedTableTypes = session.getAdvertisedTableTypes();
+ final List<BgpTableType> advertizedGracefulRestartTableTypes = session.getAdvertisedGracefulRestartTableTypes();
+ LOG.info("Session with peer {} went up with tables {} and Add Path tables {}", this.name,
+ advertizedTableTypes, addPathTablesType);
this.rawIdentifier = InetAddresses.forString(session.getBgpId().getValue()).getAddress();
+ this.tables.addAll(advertizedTableTypes.stream().map(t -> new TablesKey(t.getAfi(), t.getSafi()))
+ .collect(Collectors.toList()));
- for (final BgpTableType t : session.getAdvertisedTableTypes()) {
- final TablesKey key = new TablesKey(t.getAfi(), t.getSafi());
+ setAdvertizedGracefulRestartTableTypes(advertizedGracefulRestartTableTypes.stream()
+ .map(t -> new TablesKey(t.getAfi(), t.getSafi())).collect(Collectors.toList()));
+ this.addPathTableMaps = mapTableTypesFamilies(addPathTablesType);
- this.tables.add(key);
- this.rib.initTable(this, key);
+ for (final TablesKey key : this.tables) {
+ createAdjRibOutListener(key, true);
}
- // Not particularly nice, but what can
- if (session instanceof BGPSessionImpl) {
- reg = rib.registerRIBsOut(this, new SessionRIBsOut((BGPSessionImpl) session));
+ for(final TablesKey tablesKey :this.tables) {
+ final ExportPolicyPeerTracker exportTracker = this.rib.getExportPolicyPeerTracker(tablesKey);
+ if (exportTracker != null) {
+ this.tableRegistration.add(exportTracker.registerPeer(this.peerId, this.addPathTableMaps.get(tablesKey),
+ this.peerYIId, this.peerRole));
+ }
}
+ addBgp4Support();
+
+ this.effRibInWriter = EffectiveRibInWriter.create(this, this.rib, this.rib.createPeerChain(this),
+ this.peerIId, this.tables);
+ registerPrefixesCounters(this.effRibInWriter, this.effRibInWriter);
+ this.ribWriter = this.ribWriter.transform(this.peerId, this.rib.getRibSupportContext(), this.tables,
+ this.addPathTableMaps);
+
+ if (this.rpcRegistry != null) {
+ this.rpcRegistration = this.rpcRegistry.addRoutedRpcImplementation(BgpPeerRpcService.class,
+ new BgpPeerRpc(this, session, this.tables));
+ final KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib
+ .rev171207.bgp.rib.rib.Peer, PeerKey> path = this.rib.getInstanceIdentifier()
+ .child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev171207.bgp.rib
+ .rib.Peer.class, new PeerKey(this.peerId));
+ this.rpcRegistration.registerPath(PeerContext.class, path);
+ }
+ this.trackerRegistration = this.rib.getPeerTracker().registerPeer(this);
}
- private synchronized void cleanup() {
- // FIXME: BUG-196: support graceful restart
- for (final TablesKey key : this.tables) {
- this.rib.clearTable(this, key);
+ //try to add a support for old-school BGP-4, if peer did not advertise IPv4-Unicast MP capability
+ private void addBgp4Support() {
+ final TablesKey key = new TablesKey(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
+ if (this.tables.add(key)) {
+ createAdjRibOutListener(key, false);
+ final ExportPolicyPeerTracker exportTracker = this.rib.getExportPolicyPeerTracker(key);
+ if (exportTracker != null) {
+ this.tableRegistration.add(exportTracker.registerPeer(peerId, null, this.peerYIId,
+ this.peerRole));
+ }
}
+ }
- if (reg != null) {
- reg.close();
- reg = null;
+ private synchronized void createAdjRibOutListener(final TablesKey key,
+ final boolean mpSupport) {
+ final RIBSupportContext context = this.rib.getRibSupportContext().getRIBSupportContext(key);
+
+ // not particularly nice
+ if (context != null && this.session instanceof BGPSessionImpl) {
+ final ChannelOutputLimiter limiter = ((BGPSessionImpl) this.session).getLimiter();
+ final AdjRibOutListener adjRibOut = AdjRibOutListener.create(this.peerId, key,
+ this.rib.getYangRibId(), this.rib.getCodecsRegistry(), context.getRibSupport(),
+ this.rib.getService(), limiter, mpSupport);
+ this.adjRibOutListenerSet.put(key, adjRibOut);
+ registerPrefixesSentCounter(key, adjRibOut);
}
+ }
+ private ListenableFuture<Void> cleanup() {
+ // FIXME: BUG-196: support graceful
+ this.adjRibOutListenerSet.values().forEach(AdjRibOutListener::close);
+ this.adjRibOutListenerSet.clear();
+ if (this.effRibInWriter != null) {
+ this.effRibInWriter.close();
+ }
this.tables.clear();
- this.session = null;
+ if (this.ribWriter != null) {
+ return this.ribWriter.removePeer();
+ }
+ return Futures.immediateFuture(null);
}
@Override
public void onSessionDown(final BGPSession session, final Exception e) {
- LOG.info("Session with peer {} went down", this.name, e);
- cleanup();
+ 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);
- cleanup();
+ releaseConnection();
}
@Override
public String toString() {
- return addToStringAttributes(Objects.toStringHelper(this)).toString();
+ return addToStringAttributes(MoreObjects.toStringHelper(this)).toString();
}
protected ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) {
return this.name;
}
- protected RIB getRib() {
- return this.rib;
- }
-
@Override
- public void releaseConnection() {
- dropConnection();
- cleanup();
- }
+ public synchronized ListenableFuture<Void> releaseConnection() {
+ if (this.rpcRegistration != null) {
+ this.rpcRegistration.close();
+ }
+ closeRegistration();
+ final ListenableFuture<Void> future = cleanup();
- @GuardedBy("this")
- private void dropConnection() {
if (this.session != null) {
- this.session.close();
+ try {
+ this.session.close();
+ } catch (final Exception e) {
+ LOG.warn("Error closing session with peer", e);
+ }
this.session = null;
}
+
+ resetState();
+ return future;
+ }
+
+ private void closeRegistration() {
+ this.tableRegistration.iterator().forEachRemaining(AbstractRegistration::close);
+ this.tableRegistration.clear();
+ if (this.trackerRegistration != null) {
+ this.trackerRegistration.close();
+ this.trackerRegistration = null;
+ }
}
@Override
public synchronized byte[] getRawIdentifier() {
- return rawIdentifier;
+ return Arrays.copyOf(this.rawIdentifier, this.rawIdentifier.length);
+ }
+
+ @Override
+ public PeerId getPeerId() {
+ return this.peerId;
+ }
+
+ @Override
+ public SendReceive getSupportedAddPathTables(final TablesKey tableKey) {
+ return this.addPathTableMaps.get(tableKey);
+ }
+
+ @Override
+ public boolean supportsTable(final TablesKey tableKey) {
+ return this.tables.contains(tableKey);
+ }
+
+ @Override
+ public YangInstanceIdentifier getPeerRibInstanceIdentifier() {
+ return this.peerYIId;
+ }
+
+ @Override
+ public PeerRole getRole() {
+ return this.peerRole;
+ }
+
+ @Override
+ public synchronized void onTransactionChainFailed(final TransactionChain<?, ?> chain,
+ final AsyncTransaction<?, ?> transaction, final Throwable cause) {
+ LOG.error("Transaction chain failed.", cause);
+ this.chain.close();
+ this.chain = this.rib.createPeerDOMChain(this);
+ this.ribWriter = AdjRibInWriter.create(this.rib.getYangRibId(), this.peerRole, this.chain);
+ releaseConnection();
+ }
+
+ @Override
+ public void onTransactionChainSuccessful(final TransactionChain<?, ?> chain) {
+ LOG.debug("Transaction chain {} successful.", chain);
+ }
+
+ @Override
+ public synchronized void markUptodate(final TablesKey tablesKey) {
+ this.ribWriter.markTableUptodate(tablesKey);
+ }
+
+ @Override
+ public BGPErrorHandlingState getBGPErrorHandlingState() {
+ return this;
+ }
+
+ @Override
+ public BGPAfiSafiState getBGPAfiSafiState() {
+ return this;
+ }
+
+ @Override
+ public synchronized BGPSessionState getBGPSessionState() {
+ if (this.session instanceof BGPSessionStateProvider) {
+ return ((BGPSessionStateProvider) this.session).getBGPSessionState();
+ }
+ return null;
+ }
+
+ @Override
+ public synchronized BGPTimersState getBGPTimersState() {
+ if (this.session instanceof BGPSessionStateProvider) {
+ return ((BGPSessionStateProvider) this.session).getBGPTimersState();
+ }
+ return null;
+ }
+
+ @Override
+ public synchronized BGPTransportState getBGPTransportState() {
+ if (this.session instanceof BGPSessionStateProvider) {
+ return ((BGPSessionStateProvider) this.session).getBGPTransportState();
+ }
+ return null;
+ }
+
+ @Override
+ public PeerRole getFromPeerRole() {
+ return getRole();
+ }
+
+ @Override
+ public PeerId getFromPeerId() {
+ return getPeerId();
}
}
Code Review / bgpcep.git / blobdiff