import static java.util.Objects.requireNonNull;
import com.google.common.primitives.UnsignedInteger;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.MoreExecutors;
+import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
+import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.atomic.LongAdder;
import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.mdsal.common.api.CommitInfo;
import org.opendaylight.protocol.bgp.mode.api.PathSelectionMode;
import org.opendaylight.protocol.bgp.mode.api.RouteEntry;
+import org.opendaylight.protocol.bgp.rib.impl.spi.RibOutRefresh;
import org.opendaylight.protocol.bgp.rib.impl.state.rib.TotalPathsCounter;
import org.opendaylight.protocol.bgp.rib.impl.state.rib.TotalPrefixesCounter;
import org.opendaylight.protocol.bgp.rib.spi.BGPPeerTracker;
import org.opendaylight.protocol.bgp.rib.spi.RIBSupport;
import org.opendaylight.protocol.bgp.rib.spi.RouterIds;
+import org.opendaylight.protocol.bgp.rib.spi.entry.ActualBestPathRoutes;
+import org.opendaylight.protocol.bgp.rib.spi.entry.AdvertizedRoute;
+import org.opendaylight.protocol.bgp.rib.spi.entry.StaleBestPathRoute;
import org.opendaylight.protocol.bgp.rib.spi.policy.BGPRibRoutingPolicy;
+import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.types.rev151009.AfiSafiType;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.AsNumber;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.PeerId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.Route;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.bgp.rib.Rib;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.bgp.rib.RibKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.TablesKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.tables.Attributes;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.tables.AttributesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.tables.Routes;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.opendaylight.yangtools.yang.binding.ChildOf;
+import org.opendaylight.yangtools.yang.binding.ChoiceIn;
import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.Identifiable;
+import org.opendaylight.yangtools.yang.binding.Identifier;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@NotThreadSafe
-final class LocRibWriter implements AutoCloseable, TotalPrefixesCounter, TotalPathsCounter,
+final class LocRibWriter<C extends Routes & DataObject & ChoiceIn<Tables>, S extends ChildOf<? super C>,
+ R extends Route & ChildOf<? super S> & Identifiable<I>, I extends Identifier<R>>
+ implements AutoCloseable, RibOutRefresh, TotalPrefixesCounter, TotalPathsCounter,
ClusteredDataTreeChangeListener<Tables> {
private static final Logger LOG = LoggerFactory.getLogger(LocRibWriter.class);
- private final Map<String, RouteEntry> routeEntries = new HashMap<>();
+ private final Map<String, RouteEntry<C,S,R,I>> routeEntries = new HashMap<>();
private final Long ourAs;
- private final RIBSupport ribSupport;
+ private final RIBSupport<C,S,R,I> ribSupport;
private final DataBroker dataBroker;
private final PathSelectionMode pathSelectionMode;
private final LongAdder totalPathsCounter = new LongAdder();
@GuardedBy("this")
private ListenerRegistration<LocRibWriter> reg;
- private LocRibWriter(final RIBSupport ribSupport,
+ private LocRibWriter(final RIBSupport<C,S,R,I> ribSupport,
final BindingTransactionChain chain,
final KeyedInstanceIdentifier<Rib, RibKey> ribIId,
final Long ourAs,
final BGPRibRoutingPolicy ribPolicies,
final BGPPeerTracker peerTracker,
final TablesKey tablesKey,
+ final Class<? extends AfiSafiType> afiSafiType,
final PathSelectionMode pathSelectionMode) {
this.chain = requireNonNull(chain);
this.ribIId = requireNonNull(ribIId);
this.peerTracker = peerTracker;
this.pathSelectionMode = pathSelectionMode;
- this.entryDep = new RouteEntryDependenciesContainerImpl(this.ribSupport, ribPolicies,
- tablesKey, this.locRibTableIID);
+ this.entryDep = new RouteEntryDependenciesContainerImpl(this.ribSupport, this.peerTracker, ribPolicies,
+ tablesKey, afiSafiType, this.locRibTableIID);
init();
}
- public static LocRibWriter create(@Nonnull final RIBSupport ribSupport,
+ public static LocRibWriter create(
+ @Nonnull final RIBSupport ribSupport,
@Nonnull final TablesKey tablesKey,
+ @Nonnull final Class<? extends AfiSafiType> afiSafiType,
@Nonnull final BindingTransactionChain chain,
@Nonnull final KeyedInstanceIdentifier<Rib, RibKey> ribIId,
@Nonnull final AsNumber ourAs,
@Nonnull final BGPPeerTracker peerTracker,
@Nonnull final PathSelectionMode pathSelectionStrategy) {
return new LocRibWriter(ribSupport, chain, ribIId, ourAs.getValue(), dataBroker, ribPolicies,
- peerTracker, tablesKey, pathSelectionStrategy);
+ peerTracker, tablesKey, afiSafiType, pathSelectionStrategy);
}
- @SuppressWarnings("unchecked")
private synchronized void init() {
final WriteTransaction tx = this.chain.newWriteOnlyTransaction();
tx.merge(LogicalDatastoreType.OPERATIONAL,
this.locRibTableIID.builder().child(Attributes.class).build(),
new AttributesBuilder().setUptodate(true).build());
- tx.submit();
+ tx.commit().addCallback(new FutureCallback<CommitInfo>() {
+ @Override
+ public void onSuccess(final CommitInfo result) {
+ LOG.trace("Successful commit");
+ }
+
+ @Override
+ public void onFailure(final Throwable trw) {
+ LOG.error("Failed commit", trw);
+ }
+ }, MoreExecutors.directExecutor());
final InstanceIdentifier<Tables> tableId = this.ribIId.builder().child(Peer.class)
.child(EffectiveRibIn.class).child(Tables.class, this.tk).build();
this.reg = this.dataBroker.registerDataTreeChangeListener(
- new DataTreeIdentifier(LogicalDatastoreType.OPERATIONAL, tableId), this);
+ new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL, tableId), this);
}
/**
}
@Nonnull
- private RouteEntry createEntry(final String routeId) {
- final RouteEntry ret = this.pathSelectionMode.createRouteEntry();
+ private RouteEntry<C,S,R,I> createEntry(final String routeId) {
+ final RouteEntry<C,S,R,I> ret = this.pathSelectionMode.createRouteEntry();
this.routeEntries.put(routeId, ret);
this.totalPrefixesCounter.increment();
LOG.trace("Created new entry for {}", routeId);
LOG.trace("Received data change {} to LocRib {}", changes, this);
final WriteTransaction tx = this.chain.newWriteOnlyTransaction();
try {
- final Map<RouteUpdateKey, RouteEntry> toUpdate = update(tx, changes);
+ final Map<RouteUpdateKey, RouteEntry<C,S,R,I>> toUpdate = update(tx, changes);
if (!toUpdate.isEmpty()) {
walkThrough(tx, toUpdate.entrySet());
} catch (final Exception e) {
LOG.error("Failed to completely propagate updates {}, state is undefined", changes, e);
} finally {
- tx.submit();
+ tx.commit().addCallback(new FutureCallback<CommitInfo>() {
+ @Override
+ public void onSuccess(final CommitInfo result) {
+ LOG.trace("Successful commit");
+ }
+
+ @Override
+ public void onFailure(final Throwable trw) {
+ LOG.error("Failed commit", trw);
+ }
+ }, MoreExecutors.directExecutor());
}
}
@SuppressWarnings("unchecked")
- private Map<RouteUpdateKey, RouteEntry> update(final WriteTransaction tx,
+ private Map<RouteUpdateKey, RouteEntry<C, S, R, I>> update(final WriteTransaction tx,
final Collection<DataTreeModification<Tables>> changes) {
- final Map<RouteUpdateKey, RouteEntry> ret = new HashMap<>();
+ final Map<RouteUpdateKey, RouteEntry<C, S, R, I>> ret = new HashMap<>();
for (final DataTreeModification<Tables> tc : changes) {
final DataObjectModification<Tables> table = tc.getRootNode();
final DataTreeIdentifier<Tables> rootPath = tc.getRootPath();
Initialize Peer with routes under loc rib
*/
if (!this.routeEntries.isEmpty() && table.getDataBefore() == null) {
- final org.opendaylight.protocol.bgp.rib.spi.Peer peer
+ final org.opendaylight.protocol.bgp.rib.spi.Peer toPeer
= this.peerTracker.getPeer(peerKIid.getKey().getPeerId());
- if (peer != null && peer.supportsTable(this.entryDep.getLocalTablesKey())) {
- LOG.debug("Peer {} table has been created, inserting existent routes", peer.getPeerId());
- this.routeEntries.forEach((key, value) -> value.initializeBestPaths(this.entryDep,
- new RouteEntryInfoImpl(peer, key), tx));
+ if (toPeer != null && toPeer.supportsTable(this.entryDep.getLocalTablesKey())) {
+ LOG.debug("Peer {} table has been created, inserting existent routes", toPeer.getPeerId());
+ final List<ActualBestPathRoutes<C, S, R, I>> routesToStore = new ArrayList<>();
+ for (final Map.Entry<String, RouteEntry<C, S, R, I>> entry : this.routeEntries.entrySet()) {
+ final List<ActualBestPathRoutes<C, S, R, I>> filteredRoute = entry.getValue()
+ .actualBestPaths(this.ribSupport, new RouteEntryInfoImpl(toPeer, entry.getKey()));
+ routesToStore.addAll(filteredRoute);
+ }
+ toPeer.initializeRibOut(this.entryDep, routesToStore);
}
}
/*
return ret;
}
- @SuppressWarnings("unchecked")
private void updateNodes(
final DataObjectModification<Tables> table,
final UnsignedInteger peerUuid,
final WriteTransaction tx,
- final Map<RouteUpdateKey, RouteEntry> routes
+ final Map<RouteUpdateKey, RouteEntry<C,S,R,I>> routes
) {
final DataObjectModification<Attributes> attUpdate = table.getModifiedChildContainer(Attributes.class);
- if (attUpdate != null && attUpdate.getDataAfter() != null) {
+ if (attUpdate != null) {
final Attributes newAttValue = attUpdate.getDataAfter();
- LOG.trace("Uptodate found for {}", newAttValue);
- tx.put(LogicalDatastoreType.OPERATIONAL, this.locRibTableIID.child(Attributes.class), newAttValue);
+ if (newAttValue != null) {
+ LOG.trace("Uptodate found for {}", newAttValue);
+ tx.put(LogicalDatastoreType.OPERATIONAL, this.locRibTableIID.child(Attributes.class), newAttValue);
+ }
}
- final DataObjectModification routesChangesContainer =
- table.getModifiedChildContainer(this.ribSupport.routesContainerClass());
+ final DataObjectModification<S> routesChangesContainer
+ = table.getModifiedChildContainer(ribSupport.routesCaseClass(), ribSupport.routesContainerClass());
if (routesChangesContainer == null) {
return;
}
updateRoutesEntries(routesChangesContainer.getModifiedChildren(), peerUuid, routes);
}
- @SuppressWarnings("unchecked")
private void updateRoutesEntries(
- final Collection<DataObjectModification<? extends DataObject>> routeChanges,
+ final Collection<? extends DataObjectModification<? extends DataObject>> collection,
final UnsignedInteger routerId,
- final Map<RouteUpdateKey, RouteEntry> routes
+ final Map<RouteUpdateKey, RouteEntry<C,S,R,I>> routes
) {
- for (final DataObjectModification<? extends DataObject> route : routeChanges) {
- final Route newRoute = (Route) route.getDataAfter();
- final Route oldRoute = (Route) route.getDataBefore();
+ for (final DataObjectModification<? extends DataObject> route : collection) {
+ final R newRoute = (R) route.getDataAfter();
+ final R oldRoute = (R) route.getDataBefore();
String routeKey;
- RouteEntry entry;
+ RouteEntry<C,S,R,I> entry;
if (newRoute != null) {
routeKey = newRoute.getRouteKey();
entry = this.routeEntries.get(routeKey);
}
private void walkThrough(final WriteTransaction tx,
- final Set<Map.Entry<RouteUpdateKey, RouteEntry>> toUpdate) {
- for (final Map.Entry<RouteUpdateKey, RouteEntry> e : toUpdate) {
+ final Set<Map.Entry<RouteUpdateKey, RouteEntry<C,S,R,I>>> toUpdate) {
+ final List<StaleBestPathRoute<C,S,R,I>> staleRoutes = new ArrayList<>();
+ final List<AdvertizedRoute<C,S,R,I>> newRoutes = new ArrayList<>();
+ for (final Map.Entry<RouteUpdateKey, RouteEntry<C,S,R,I>> e : toUpdate) {
LOG.trace("Walking through {}", e);
- final RouteEntry entry = e.getValue();
+ final RouteEntry<C,S,R,I> entry = e.getValue();
if (!entry.selectBest(this.ourAs)) {
LOG.trace("Best path has not changed, continuing");
continue;
}
- entry.updateBestPaths(entryDep, e.getKey().getRouteId(), tx);
+ entry.removeStalePaths(this.ribSupport, e.getKey().getRouteId()).ifPresent(staleRoutes::add);
+ newRoutes.addAll(entry.newBestPaths(this.ribSupport, e.getKey().getRouteId()));
+ }
+ updateLocRib(newRoutes, staleRoutes, tx);
+ this.peerTracker.getNonInternalPeers().parallelStream()
+ .forEach(toPeer->toPeer.refreshRibOut(this.entryDep, staleRoutes, newRoutes));
+ }
+
+ private void updateLocRib(final List<AdvertizedRoute<C, S, R, I>> newRoutes,
+ final List<StaleBestPathRoute<C, S, R, I>> staleRoutes,
+ final WriteTransaction tx) {
+ final KeyedInstanceIdentifier<Tables, TablesKey> locRibTarget = this.entryDep.getLocRibTableTarget();
+
+ for (final StaleBestPathRoute<C, S, R, I> staleContainer:staleRoutes) {
+ for (final I routeId: staleContainer.getStaleRouteKeyIdentifiers()) {
+ final InstanceIdentifier<R> routeTarget = ribSupport.createRouteIdentifier(locRibTarget, routeId);
+ LOG.debug("Delete route from LocRib {}", routeTarget);
+ tx.delete(LogicalDatastoreType.OPERATIONAL, routeTarget);
+ }
+ }
+
+ for (final AdvertizedRoute<C,S,R,I> advRoute : newRoutes) {
+ final R route = advRoute.getRoute();
+ final I iid = advRoute.getAddPathRouteKeyIdentifier();
+ final InstanceIdentifier<R> locRibRouteTarget
+ = this.ribSupport.createRouteIdentifier(locRibTarget, iid);
+ LOG.debug("Write route to LocRib {}", route);
+ tx.put(LogicalDatastoreType.OPERATIONAL, locRibRouteTarget, route);
}
}
return this.totalPathsCounter.longValue();
}
- public TablesKey getTableKey() {
+ TablesKey getTableKey() {
return this.tk;
}
+
+ @Override
+ public synchronized void refreshTable(final TablesKey tk, final PeerId peerId) {
+ final org.opendaylight.protocol.bgp.rib.spi.Peer toPeer = this.peerTracker.getPeer(peerId);
+ if (toPeer != null && toPeer.supportsTable(this.entryDep.getLocalTablesKey())) {
+ LOG.debug("Peer {} table has been created, inserting existent routes", toPeer.getPeerId());
+ final List<ActualBestPathRoutes<C, S, R, I>> routesToStore = new ArrayList<>();
+ for (final Map.Entry<String, RouteEntry<C, S, R, I>> entry : this.routeEntries.entrySet()) {
+ final List<ActualBestPathRoutes<C, S, R, I>> filteredRoute = entry.getValue()
+ .actualBestPaths(this.ribSupport, new RouteEntryInfoImpl(toPeer, entry.getKey()));
+ routesToStore.addAll(filteredRoute);
+ }
+ toPeer.reEvaluateAdvertizement(this.entryDep, routesToStore);
+ }
+ }
}