* 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 org.opendaylight.protocol.bgp.rib.impl.AdjRibInWriter.isAnnounceNone;
+import static org.opendaylight.protocol.bgp.rib.impl.AdjRibInWriter.isLearnNone;
+
import com.google.common.base.MoreObjects;
import com.google.common.base.MoreObjects.ToStringHelper;
import com.google.common.base.Preconditions;
-import com.google.common.collect.Lists;
+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.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.config.yang.bgp.rib.impl.RouteTable;
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.protocol.bgp.rib.RibReference;
-import org.opendaylight.protocol.bgp.rib.impl.spi.AdjRIBsOutRegistration;
-import org.opendaylight.protocol.bgp.rib.impl.spi.BGPSessionStatistics;
+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.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.ExportPolicyPeerTracker;
+import org.opendaylight.protocol.bgp.rib.spi.IdentifierUtils;
import org.opendaylight.protocol.bgp.rib.spi.Peer;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
+import org.opendaylight.protocol.bgp.rib.spi.RouterIds;
+import org.opendaylight.protocol.concepts.AbstractRegistration;
+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.path.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationIpv4CaseBuilder;
+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.update.PathAttributes;
+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.BgpAddPathTableType;
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.multiprotocol.rev130919.PathAttributes1;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes2;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.MpReachNlri;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.MpReachNlriBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.MpUnreachNlri;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.MpUnreachNlriBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.mp.reach.nlri.AdvertizedRoutesBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.mp.unreach.nlri.WithdrawnRoutesBuilder;
+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.SendReceive;
+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;
-
/**
* 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, BGPPeerRuntimeMXBean, TransactionChainListener {
+public class BGPPeer implements BGPSessionListener, Peer, BGPPeerRuntimeMXBean, 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;
-
@GuardedBy("this")
private BGPSession session;
@GuardedBy("this")
private byte[] rawIdentifier;
@GuardedBy("this")
- private AdjRIBsOutRegistration reg;
-
- private BGPPeerRuntimeRegistrator registrator;
- private BGPPeerRuntimeRegistration runtimeReg;
- private long sessionEstablishedCounter = 0L;
-
+ private DOMTransactionChain chain;
@GuardedBy("this")
private AdjRibInWriter ribWriter;
+ @GuardedBy("this")
+ private EffectiveRibInWriter effRibInWriter;
- public BGPPeer(final String name, final RIB rib) {
+ 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;
+ private YangInstanceIdentifier peerIId;
+ private final Set<AbstractRegistration> tableRegistration = new HashSet<>();
+
+ 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);
+ this.chain = rib.createPeerChain(this);
+ }
- final DOMTransactionChain chain = rib.createPeerChain(this);
- // FIXME: make this configurable
- final PeerRole role = PeerRole.Ibgp;
+ public BGPPeer(final String name, final RIB rib, final PeerRole role, final RpcProviderRegistry rpcRegistry) {
+ this(name, rib, role, null, rpcRegistry);
+ }
- this.ribWriter = AdjRibInWriter.create(((RibReference)rib).getInstanceIdentifier().getKey(), role, chain);
+ public void instantiateServiceInstance() {
+ // add current peer to "configured BGP peer" stats
+ this.rib.getRenderStats().getConfiguredPeerCounter().increaseCount();
+ this.ribWriter = AdjRibInWriter.create(this.rib.getYangRibId(), this.peerRole, this.simpleRoutingPolicy, this.chain);
}
+ // 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();
+ return future;
}
@Override
- public void onMessage(final BGPSession session, final Notification msg) {
- if (!(msg instanceof Update)) {
+ 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;
}
- final Update message = (Update) msg;
- this.rib.updateTables(this, message);
+ 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 PathAttributes attrs = message.getPathAttributes();
+ final Attributes attrs = message.getAttributes();
MpReachNlri mpReach = null;
- if (message.getNlri() != null) {
+ final boolean isAnyNlriAnnounced = message.getNlri() != null;
+ if (isAnyNlriAnnounced) {
mpReach = prefixesToMpReach(message);
- } else if (attrs.getAugmentation(PathAttributes1.class) != null) {
- mpReach = attrs.getAugmentation(PathAttributes1.class).getMpReachNlri();
+ } else {
+ mpReach = MessageUtil.getMpReachNlri(attrs);
}
if (mpReach != null) {
- this.ribWriter.updateRoutes(mpReach, attrs);
- return;
+ this.ribWriter.updateRoutes(mpReach, nextHopToAttribute(attrs, mpReach));
}
MpUnreachNlri mpUnreach = null;
if (message.getWithdrawnRoutes() != null) {
- mpUnreach = prefixesToMpUnreach(message);
- } else if (attrs.getAugmentation(PathAttributes2.class) != null) {
- mpUnreach = attrs.getAugmentation(PathAttributes2.class).getMpUnreachNlri();
+ 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 MpReachNlri prefixesToMpReach(final Update message) {
+ 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.getPathAttributes() != null) {
- b.setCNextHop(message.getPathAttributes().getCNextHop());
+ 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 MpUnreachNlri prefixesToMpUnreach(final Update message) {
+ private static MpUnreachNlri prefixesToMpUnreach(final Update message, final boolean isAnyNlriAnnounced) {
final List<Ipv4Prefixes> prefixes = new ArrayList<>();
for (final Ipv4Prefix p : message.getWithdrawnRoutes().getWithdrawnRoutes()) {
- prefixes.add(new Ipv4PrefixesBuilder().setPrefix(p).build());
+ 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.path.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationIpv4CaseBuilder().setDestinationIpv4(
- new DestinationIpv4Builder().setIpv4Prefixes(prefixes).build()).build()).build()).build();
+ 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) {
- LOG.info("Session with peer {} went up with tables: {}", this.name, session.getAdvertisedTableTypes());
-
+ final List<AddressFamilies> addPathTablesType = session.getAdvertisedAddPathTableTypes();
+ final Set<BgpTableType> advertizedTableTypes = session.getAdvertisedTableTypes();
+ LOG.info("Session with peer {} went up with tables {} and Add Path tables {}", this.name, advertizedTableTypes, addPathTablesType);
this.session = session;
+
this.rawIdentifier = InetAddresses.forString(session.getBgpId().getValue()).getAddress();
+ final PeerId peerId = RouterIds.createPeerId(session.getBgpId());
- for (final BgpTableType t : session.getAdvertisedTableTypes()) {
- final TablesKey key = new TablesKey(t.getAfi(), t.getSafi());
+ this.tables.addAll(advertizedTableTypes.stream().map(t -> new TablesKey(t.getAfi(), t.getSafi())).collect(Collectors.toList()));
+ final boolean announceNone = isAnnounceNone(this.simpleRoutingPolicy);
+ final Map<TablesKey, SendReceive> addPathTableMaps = mapTableTypesFamilies(addPathTablesType);
+ this.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.tables.add(key);
- this.rib.initTable(this, key);
+ if(!announceNone) {
+ createAdjRibOutListener(peerId);
}
-
- this.ribWriter = this.ribWriter.transform(session.getBgpId(), this.rib.getRibExtensions(), this.tables);
-
- // Not particularly nice, but what can
- if (session instanceof BGPSessionImpl) {
- this.reg = this.rib.registerRIBsOut(this, new SessionRIBsOut((BGPSessionImpl) session));
+ this.tables.forEach(tablesKey -> {
+ final ExportPolicyPeerTracker exportTracker = this.rib.getExportPolicyPeerTracker(tablesKey);
+ if (exportTracker != null) {
+ this.tableRegistration.add(exportTracker.registerPeer(peerId, addPathTableMaps.get(tablesKey), this.peerIId, this.peerRole,
+ this.simpleRoutingPolicy));
+ }
+ });
+ addBgp4Support(peerId, announceNone);
+
+ if(!isLearnNone(this.simpleRoutingPolicy)) {
+ this.effRibInWriter = EffectiveRibInWriter.create(this.rib.getService(), this.rib.createPeerChain(this), this.peerIId,
+ this.rib.getImportPolicyPeerTracker(), this.rib.getRibSupportContext(), this.peerRole,
+ this.peerStats.getEffectiveRibInRouteCounters(), this.peerStats.getAdjRibInRouteCounters());
}
- this.sessionEstablishedCounter++;
+ this.ribWriter = this.ribWriter.transform(peerId, this.rib.getRibSupportContext(), this.tables, addPathTableMaps);
+
+ // 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 synchronized void cleanup() {
- // FIXME: BUG-196: support graceful restart
- this.ribWriter.cleanTables(this.tables);
- for (final TablesKey key : this.tables) {
- this.rib.clearTable(this, key);
+ 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);
- if (this.reg != null) {
- this.reg.close();
- this.reg = null;
+ // 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 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();
+ 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);
+ 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();
}
return this.name;
}
- protected RIB getRib() {
- return this.rib;
- }
-
@Override
- public void releaseConnection() {
+ public synchronized ListenableFuture<Void> releaseConnection() {
+ if (this.rpcRegistration != null) {
+ this.rpcRegistration.close();
+ }
+ closeRegistration();
+ final ListenableFuture<Void> future = cleanup();
dropConnection();
- cleanup();
+ return future;
+ }
+
+ private void closeRegistration() {
+ for (final AbstractRegistration tableCloseable : this.tableRegistration) {
+ tableCloseable.close();
+ }
+ this.tableRegistration.clear();
}
- @GuardedBy("this")
private void dropConnection() {
if (this.runtimeReg != null) {
this.runtimeReg.close();
this.runtimeReg = null;
}
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;
- }
- }
- @Override
- public boolean isSessionActive() {
- return this.session != null;
+ this.rib.getRenderStats().getConnectedPeerCounter().decreaseCount();
+ }
}
@Override
@Override
public void resetStats() {
- if (this.session instanceof BGPSessionStatistics) {
- ((BGPSessionStatistics) this.session).resetSessionStats();
+ 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 BGPSessionStatistics) {
- return ((BGPSessionStatistics) this.session).getBgpSesionState();
+ if (this.session instanceof BGPSessionStats) {
+ return ((BGPSessionStats) this.session).getBgpSessionState();
}
return new BgpSessionState();
}
@Override
public synchronized BgpPeerState getBgpPeerState() {
- final BgpPeerState peerState = new BgpPeerState();
- final List<RouteTable> routes = Lists.newArrayList();
- for (final TablesKey tablesKey : this.tables) {
- final RouteTable routeTable = new RouteTable();
- routeTable.setTableType("afi=" + tablesKey.getAfi().getSimpleName() + ",safi=" + tablesKey.getSafi().getSimpleName());
- routeTable.setRoutesCount(this.rib.getRoutesCount(tablesKey));
- routes.add(routeTable);
- }
- peerState.setRouteTable(routes);
- peerState.setSessionEstablishedCount(this.sessionEstablishedCounter);
- return peerState;
+ return this.peerStats.getBgpPeerState();
}
@Override
public void onTransactionChainFailed(final TransactionChain<?, ?> chain, final AsyncTransaction<?, ?> transaction, final Throwable cause) {
- // TODO Auto-generated method stub
-
+ 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) {
- // TODO Auto-generated method stub
+ LOG.debug("Transaction chain {} successfull.", chain);
+ }
+
+ @Override
+ public void markUptodate(final TablesKey tablesKey) {
+ this.ribWriter.markTableUptodate(tablesKey);
+ }
+
+ 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)));
}
}