* 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 com.google.common.base.MoreObjects;
import com.google.common.base.Preconditions;
import com.google.common.collect.Lists;
import com.google.common.net.InetAddresses;
+import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
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.protocol.bgp.rib.impl.spi.RIB;
+import org.opendaylight.protocol.bgp.rib.impl.spi.RIBSupportContext;
import org.opendaylight.protocol.bgp.rib.impl.spi.ReusableBGPPeer;
import org.opendaylight.protocol.bgp.rib.spi.BGPSession;
import org.opendaylight.protocol.bgp.rib.spi.BGPTerminationReason;
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.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.Attributes1;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes2;
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.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.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.rib.TablesKey;
+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.UnicastSubsequentAddressFamily;
import org.opendaylight.yangtools.yang.binding.Notification;
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.
@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 DOMTransactionChain chain;
+ @GuardedBy("this")
+ private AdjRibInWriter ribWriter;
+ private final RIB rib;
+ private final String name;
private BGPPeerRuntimeRegistrator registrator;
private BGPPeerRuntimeRegistration runtimeReg;
private long sessionEstablishedCounter = 0L;
- @GuardedBy("this")
- private AdjRibInWriter ribWriter;
-
public BGPPeer(final String name, final RIB rib) {
+ this(name, rib, PeerRole.Ibgp);
+ }
+
+ public BGPPeer(final String name, final RIB rib, final PeerRole role) {
this.rib = Preconditions.checkNotNull(rib);
this.name = name;
-
- final DOMTransactionChain chain = rib.createPeerChain(this);
- // FIXME: make this configurable
- final PeerRole role = PeerRole.Ibgp;
-
- ribWriter = AdjRibInWriter.create(((RibReference)rib).getInstanceIdentifier().getKey(), role, chain);
+ this.chain = rib.createPeerChain(this);
+ this.ribWriter = AdjRibInWriter.create(rib.getYangRibId(), role, this.chain);
}
@Override
public synchronized void close() {
dropConnection();
+ this.chain.close();
// TODO should this perform cleanup ?
}
@Override
- public void onMessage(final BGPSession session, final Notification message) {
- if (message instanceof Update) {
- this.rib.updateTables(this, (Update) message);
- } else {
- LOG.info("Ignoring unhandled message class {}", message.getClass());
+ public void onMessage(final BGPSession session, final Notification msg) {
+ if (!(msg instanceof Update)) {
+ LOG.info("Ignoring unhandled message class {}", msg.getClass());
+ return;
+ }
+ final Update message = (Update) msg;
+
+ // update AdjRibs
+ final Attributes attrs = message.getAttributes();
+ MpReachNlri mpReach = null;
+ if (message.getNlri() != null) {
+ mpReach = prefixesToMpReach(message);
+ } else if (attrs != null && attrs.getAugmentation(Attributes1.class) != null) {
+ mpReach = attrs.getAugmentation(Attributes1.class).getMpReachNlri();
+ }
+ if (mpReach != null) {
+ this.ribWriter.updateRoutes(mpReach, nextHopToAttribute(attrs, mpReach));
}
+ MpUnreachNlri mpUnreach = null;
+ if (message.getWithdrawnRoutes() != null) {
+ mpUnreach = prefixesToMpUnreach(message);
+ } else if (attrs != null && attrs.getAugmentation(Attributes2.class) != null) {
+ mpUnreach = attrs.getAugmentation(Attributes2.class).getMpUnreachNlri();
+ }
+ 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
+ * @return MpUnreachNlri with prefixes from the withdrawn routes field
+ */
+ private static MpUnreachNlri prefixesToMpUnreach(final Update message) {
+ final List<Ipv4Prefixes> prefixes = new ArrayList<>();
+ for (final Ipv4Prefix p : message.getWithdrawnRoutes().getWithdrawnRoutes()) {
+ 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) {
LOG.info("Session with peer {} went up with tables: {}", this.name, session.getAdvertisedTableTypes());
-
this.session = session;
this.rawIdentifier = InetAddresses.forString(session.getBgpId().getValue()).getAddress();
+ final PeerId peerId = RouterIds.createPeerId(session.getBgpId());
+ TablesKey key = new TablesKey(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
+ this.tables.add(key);
+ createAdjRibOutListener(peerId, key, false);
for (final BgpTableType t : session.getAdvertisedTableTypes()) {
- final TablesKey key = new TablesKey(t.getAfi(), t.getSafi());
-
- this.tables.add(key);
- this.rib.initTable(this, key);
+ key = new TablesKey(t.getAfi(), t.getSafi());
+ if (this.tables.add(key)) {
+ createAdjRibOutListener(peerId, key, true);
+ }
}
- this.ribWriter = ribWriter.transform(session.getBgpId(), rib.getRibExtensions(), tables);
-
- // Not particularly nice, but what can
- if (session instanceof BGPSessionImpl) {
- this.reg = this.rib.registerRIBsOut(this, new SessionRIBsOut((BGPSessionImpl) session));
- }
+ this.ribWriter = this.ribWriter.transform(peerId, this.rib.getRibSupportContext(), this.tables, false);
this.sessionEstablishedCounter++;
if (this.registrator != null) {
this.runtimeReg = this.registrator.register(this);
}
}
- private synchronized void cleanup() {
- // FIXME: BUG-196: support graceful restart
- this.ribWriter.cleanTables(tables);
- for (final TablesKey key : this.tables) {
- this.rib.clearTable(this, key);
- }
+ 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) {
+ AdjRibOutListener.create(peerId, key, this.rib.getYangRibId(), this.rib.getCodecsRegistry(), context.getRibSupport(), ((RIBImpl) this.rib).getService(),
+ ((BGPSessionImpl) this.session).getLimiter(), mpSupport);
}
+ }
+ private synchronized void cleanup() {
+ // FIXME: BUG-196: support graceful restart
+ this.ribWriter.cleanTables(this.tables);
this.tables.clear();
}
return this.name;
}
- protected RIB getRib() {
- return this.rib;
- }
-
@Override
public void releaseConnection() {
dropConnection();
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 void onTransactionChainFailed(final TransactionChain<?, ?> chain, final AsyncTransaction<?, ?> transaction, final Throwable cause) {
- // TODO Auto-generated method stub
-
+ LOG.error("Transaction chain failed.", cause);
+ dropConnection();
+ this.chain.close();
+ this.chain = this.rib.createPeerChain(this);
}
@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);
}
}
Code Review / bgpcep.git / blobdiff