*/
package org.opendaylight.protocol.bgp.rib.impl;
-import com.google.common.base.Preconditions;
-import com.google.common.primitives.UnsignedInteger;
-import java.util.Arrays;
+import static com.google.common.base.Verify.verify;
+import static java.util.Objects.requireNonNull;
+import static org.opendaylight.protocol.bgp.rib.spi.RIBNodeIdentifiers.ATTRIBUTES_NID;
+import static org.opendaylight.protocol.bgp.rib.spi.RIBNodeIdentifiers.EFFRIBIN_NID;
+import static org.opendaylight.protocol.bgp.rib.spi.RIBNodeIdentifiers.LOCRIB_NID;
+import static org.opendaylight.protocol.bgp.rib.spi.RIBNodeIdentifiers.PEER_NID;
+import static org.opendaylight.protocol.bgp.rib.spi.RIBNodeIdentifiers.ROUTES_NID;
+import static org.opendaylight.protocol.bgp.rib.spi.RIBNodeIdentifiers.TABLES_NID;
+import static org.opendaylight.protocol.bgp.rib.spi.RIBNodeIdentifiers.UPTODATE_NID;
+
+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.Map.Entry;
-import javax.annotation.Nonnull;
-import javax.annotation.concurrent.NotThreadSafe;
-import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeService;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeIdentifier;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
-import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
+import java.util.Set;
+import java.util.concurrent.atomic.LongAdder;
+import org.checkerframework.checker.lock.qual.GuardedBy;
+import org.eclipse.jdt.annotation.NonNull;
+import org.opendaylight.mdsal.common.api.CommitInfo;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+import org.opendaylight.mdsal.dom.api.ClusteredDOMDataTreeChangeListener;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeService;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteOperations;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
+import org.opendaylight.mdsal.dom.api.DOMTransactionChain;
+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.IdentifierUtils;
+import org.opendaylight.protocol.bgp.rib.spi.RIBNormalizedNodes;
import org.opendaylight.protocol.bgp.rib.spi.RIBSupport;
-import org.opendaylight.protocol.bgp.rib.spi.RibSupportUtils;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.AsNumber;
-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.bgp.rib.rib.LocRib;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.Peer;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.peer.EffectiveRibIn;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.Tables;
-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.rib.rev130925.rib.tables.Routes;
+import org.opendaylight.protocol.bgp.rib.spi.RouterId;
+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.rib.Tables;
+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.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.common.Uint32;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
-import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
+import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodes;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateNode;
+import org.opendaylight.yangtools.yang.data.tree.api.DataTreeCandidate;
+import org.opendaylight.yangtools.yang.data.tree.api.DataTreeCandidateNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-@NotThreadSafe
-final class LocRibWriter implements AutoCloseable, DOMDataTreeChangeListener {
+// This class is NOT thread-safe
+final class LocRibWriter<C extends Routes & DataObject & ChoiceIn<Tables>, S extends ChildOf<? super C>>
+ implements AutoCloseable, RibOutRefresh, TotalPrefixesCounter, TotalPathsCounter,
+ ClusteredDOMDataTreeChangeListener {
private static final Logger LOG = LoggerFactory.getLogger(LocRibWriter.class);
- private final Map<PathArgument, RouteEntry> routeEntries = new HashMap<>();
- private final YangInstanceIdentifier locRibTarget;
- private final DOMTransactionChain chain;
- private final ExportPolicyPeerTracker peerPolicyTracker;
- private final NodeIdentifier attributesIdentifier;
- private final Long ourAs;
- private final RIBSupport ribSupport;
+ private final Map<String, RouteEntry<C, S>> routeEntries = new HashMap<>();
+ private final long ourAs;
+ private final RIBSupport<C, S> ribSupport;
+ private final DOMDataTreeChangeService dataBroker;
+ private final PathSelectionMode pathSelectionMode;
+ private final LongAdder totalPathsCounter = new LongAdder();
+ private final LongAdder totalPrefixesCounter = new LongAdder();
+ private final RouteEntryDependenciesContainerImpl entryDep;
+ private final BGPPeerTracker peerTracker;
+ private final YangInstanceIdentifier ribIId;
+ private final YangInstanceIdentifier locRibTableIID;
+
+ private DOMTransactionChain chain;
+ @GuardedBy("this")
+ private ListenerRegistration<?> reg;
+
+ private LocRibWriter(final RIBSupport<C, S> ribSupport,
+ final DOMTransactionChain chain,
+ final YangInstanceIdentifier ribIId,
+ final Uint32 ourAs,
+ final DOMDataTreeChangeService dataBroker,
+ final BGPRibRoutingPolicy ribPolicies,
+ final BGPPeerTracker peerTracker,
+ final AfiSafiType afiSafiType,
+ final PathSelectionMode pathSelectionMode) {
+ this.chain = requireNonNull(chain);
+ this.ribIId = requireNonNull(ribIId);
+ this.ribSupport = requireNonNull(ribSupport);
+
+ this.locRibTableIID = ribIId.node(LOCRIB_NID).node(TABLES_NID).node(ribSupport.emptyTable().getIdentifier())
+ .toOptimized();
+ this.ourAs = ourAs.toJava();
+ this.dataBroker = requireNonNull(dataBroker);
+ this.peerTracker = peerTracker;
+ this.pathSelectionMode = pathSelectionMode;
+
+ this.entryDep = new RouteEntryDependenciesContainerImpl(this.ribSupport, this.peerTracker, ribPolicies,
+ afiSafiType, this.locRibTableIID);
+ }
- LocRibWriter(final RIBSupport ribSupport, final DOMTransactionChain chain, final YangInstanceIdentifier target, final Long ourAs,
- final DOMDataTreeChangeService service, final PolicyDatabase pd, final TablesKey tablesKey) {
- this.chain = Preconditions.checkNotNull(chain);
- this.locRibTarget = YangInstanceIdentifier.create(target.node(LocRib.QNAME).node(Tables.QNAME).node(RibSupportUtils.toYangTablesKey(tablesKey)).node(Routes.QNAME).getPathArguments());
- this.ourAs = Preconditions.checkNotNull(ourAs);
- this.attributesIdentifier = ribSupport.routeAttributesIdentifier();
- this.peerPolicyTracker = new ExportPolicyPeerTracker(service, target, pd);
- this.ribSupport = ribSupport;
+ public static <C extends Routes & DataObject & ChoiceIn<Tables>, S extends ChildOf<? super C>>
+ LocRibWriter<C, S> create(
+ final @NonNull RIBSupport<C, S> ribSupport,
+ final @NonNull AfiSafiType afiSafiType,
+ final @NonNull DOMTransactionChain chain,
+ final @NonNull YangInstanceIdentifier ribIId,
+ final @NonNull AsNumber ourAs,
+ final @NonNull DOMDataTreeChangeService dataBroker,
+ final BGPRibRoutingPolicy ribPolicies,
+ final @NonNull BGPPeerTracker peerTracker,
+ final @NonNull PathSelectionMode pathSelectionStrategy) {
+ final LocRibWriter<C, S> ret = new LocRibWriter<>(ribSupport, chain, ribIId, ourAs.getValue(), dataBroker,
+ ribPolicies, peerTracker, afiSafiType, pathSelectionStrategy);
+ ret.init();
+ return ret;
+ }
- final DOMDataWriteTransaction tx = this.chain.newWriteOnlyTransaction();
- tx.merge(LogicalDatastoreType.OPERATIONAL, this.locRibTarget, ribSupport.emptyRoutes());
- tx.submit();
+ private synchronized void init() {
+ final DOMDataTreeWriteTransaction tx = this.chain.newWriteOnlyTransaction();
+ tx.put(LogicalDatastoreType.OPERATIONAL, this.locRibTableIID.node(ATTRIBUTES_NID).node(UPTODATE_NID),
+ RIBNormalizedNodes.ATTRIBUTES_UPTODATE_TRUE);
+ 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 YangInstanceIdentifier tableId = target.node(Peer.QNAME).node(Peer.QNAME).node(EffectiveRibIn.QNAME).node(Tables.QNAME).node(RibSupportUtils.toYangTablesKey(tablesKey));
- service.registerDataTreeChangeListener(new DOMDataTreeIdentifier(LogicalDatastoreType.OPERATIONAL, tableId), this);
+ this.reg = this.dataBroker.registerDataTreeChangeListener(new DOMDataTreeIdentifier(
+ LogicalDatastoreType.OPERATIONAL, ribIId.node(PEER_NID).node(PEER_NID).node(EFFRIBIN_NID).node(TABLES_NID)
+ .node(locRibTableIID.getLastPathArgument())), this);
}
- public static LocRibWriter create(@Nonnull final RIBSupport ribSupport, @Nonnull final TablesKey tablesKey, @Nonnull final DOMTransactionChain chain, @Nonnull final YangInstanceIdentifier target,
- @Nonnull final AsNumber ourAs, @Nonnull final DOMDataTreeChangeService service, @Nonnull final PolicyDatabase pd) {
- return new LocRibWriter(ribSupport, chain, target, ourAs.getValue(), service, pd, tablesKey);
+ /**
+ * Re-initialize this LocRibWriter with new transaction chain.
+ *
+ * @param newChain new transaction chain
+ */
+ synchronized void restart(final @NonNull DOMTransactionChain newChain) {
+ requireNonNull(newChain);
+ close();
+ this.chain = newChain;
+ init();
}
@Override
- public void close() {
- this.peerPolicyTracker.close();
+ public synchronized void close() {
+ if (this.reg != null) {
+ this.reg.close();
+ this.reg = null;
+ }
+ if (this.chain != null) {
+ this.chain.close();
+ this.chain = null;
+ }
+ }
+
+ private @NonNull RouteEntry<C, S> createEntry(final String routeId) {
+ final RouteEntry<C, S> ret = this.pathSelectionMode.createRouteEntry();
+ this.routeEntries.put(routeId, ret);
+ this.totalPrefixesCounter.increment();
+ LOG.trace("Created new entry for {}", routeId);
+ return ret;
}
@Override
- public void onDataTreeChanged(final Collection<DataTreeCandidate> changes) {
- final DOMDataWriteTransaction tx = this.chain.newWriteOnlyTransaction();
- LOG.trace("Received data change to LocRib {}", Arrays.toString(changes.toArray()));
- /*
- * We use two-stage processing here in hopes that we avoid duplicate
- * calculations when multiple peers have changed a particular entry.
- */
- final Map<RouteUpdateKey, RouteEntry> toUpdate = new HashMap<>();
+ public synchronized void onInitialData() {
+ // FIXME: we need to do something
+ }
+
+ /**
+ * We use two-stage processing here in hopes that we avoid duplicate
+ * calculations when multiple peers have changed a particular entry.
+ *
+ * @param changes on supported table
+ */
+ @Override
+ @SuppressWarnings("checkstyle:illegalCatch")
+ public synchronized void onDataTreeChanged(final List<DataTreeCandidate> changes) {
+ if (this.chain == null) {
+ LOG.trace("Chain closed, ignoring received data change {} to LocRib {}", changes, this);
+ return;
+ }
+ LOG.trace("Received data change {} to LocRib {}", changes, this);
+ final DOMDataTreeWriteTransaction tx = this.chain.newWriteOnlyTransaction();
+ try {
+ final Map<RouteUpdateKey, RouteEntry<C, S>> 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.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<C, S>> update(final DOMDataTreeWriteOperations tx,
+ final Collection<DataTreeCandidate> changes) {
+ final Map<RouteUpdateKey, RouteEntry<C, S>> ret = new HashMap<>();
for (final DataTreeCandidate tc : changes) {
- final YangInstanceIdentifier path = tc.getRootPath();
- final NodeIdentifierWithPredicates peerKey = IdentifierUtils.peerKey(path);
- final PeerId peerId = IdentifierUtils.peerId(peerKey);
- final UnsignedInteger routerId = RouterIds.routerIdForPeerId(peerId);
- for (final DataTreeCandidateNode child : tc.getRootNode().getChildNodes()) {
- for (final DataTreeCandidateNode route : this.ribSupport.changedRoutes(child)) {
- final PathArgument routeId = route.getIdentifier();
- RouteEntry entry = this.routeEntries.get(routeId);
- if (route.getDataAfter().isPresent()) {
- if (entry == null) {
- entry = new RouteEntry();
- this.routeEntries.put(routeId, entry);
- LOG.trace("Created new entry for {}", routeId);
- }
- LOG.trace("Find {} in {}", this.attributesIdentifier, route.getDataAfter());
- final ContainerNode advertisedAttrs = (ContainerNode) NormalizedNodes.findNode(route.getDataAfter(), this.attributesIdentifier).orNull();
- entry.addRoute(routerId, advertisedAttrs);
- LOG.trace("Added route from {} attributes {}", routerId, advertisedAttrs);
- } else if (entry != null && entry.removeRoute(routerId)) {
- this.routeEntries.remove(routeId);
- entry = null;
- LOG.trace("Removed route from {}", routerId);
+ final DataTreeCandidateNode table = tc.getRootNode();
+ final RouterId peerUuid = RouterId.forPeerId(IdentifierUtils.peerKeyToPeerId(tc.getRootPath()));
+
+ /*
+ Initialize Peer with routes under loc rib
+ */
+ if (!this.routeEntries.isEmpty() && table.getDataBefore().isEmpty()) {
+ final org.opendaylight.protocol.bgp.rib.spi.Peer toPeer
+ = this.peerTracker.getPeer(peerUuid.getPeerId());
+ 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>> routesToStore = new ArrayList<>();
+ for (final Entry<String, RouteEntry<C, S>> entry : this.routeEntries.entrySet()) {
+ final List<ActualBestPathRoutes<C, S>> filteredRoute = entry.getValue()
+ .actualBestPaths(this.ribSupport, new RouteEntryInfoImpl(toPeer, entry.getKey()));
+ routesToStore.addAll(filteredRoute);
}
- LOG.debug("Updated route {} entry {}", routeId, entry);
- toUpdate.put(new RouteUpdateKey(peerId, routeId), entry);
+ toPeer.initializeRibOut(this.entryDep, routesToStore);
}
}
+ /*
+ Process new routes from Peer
+ */
+ updateNodes(table, peerUuid, tx, ret);
}
+ return ret;
+ }
- // Now walk all updated entries
- for (final Entry<RouteUpdateKey, RouteEntry> e : toUpdate.entrySet()) {
- LOG.trace("Walking through {}", e);
- final RouteEntry entry = e.getValue();
- final NormalizedNode<?, ?> value;
-
- if (entry != null) {
- if (!entry.selectBest(this.ourAs)) {
- // Best path has not changed, no need to do anything else. Proceed to next route.
- LOG.trace("Continuing");
- continue;
- }
- value = entry.bestValue(e.getKey().getRouteId());
- LOG.trace("Selected best value {}", value);
- } else {
- value = null;
- }
+ private void updateNodes(final DataTreeCandidateNode table, final RouterId peerUuid,
+ final DOMDataTreeWriteOperations tx, final Map<RouteUpdateKey, RouteEntry<C, S>> routes) {
+ table.getModifiedChild(ATTRIBUTES_NID).flatMap(DataTreeCandidateNode::getDataAfter).ifPresent(newAttValue -> {
+ LOG.trace("Uptodate found for {}", newAttValue);
+ tx.put(LogicalDatastoreType.OPERATIONAL, this.locRibTableIID.node(ATTRIBUTES_NID), newAttValue);
+ });
- final YangInstanceIdentifier writePath = this.ribSupport.routePath(this.locRibTarget, e.getKey().getRouteId());
- if (value != null) {
- LOG.debug("Write route to LocRib {}", value);
- tx.put(LogicalDatastoreType.OPERATIONAL, writePath, value);
- } else {
- LOG.debug("Delete route from LocRib {}", entry);
- tx.delete(LogicalDatastoreType.OPERATIONAL, writePath);
+ table.getModifiedChild(ROUTES_NID).ifPresent(modifiedRoutes -> {
+ updateRoutesEntries(ribSupport.changedRoutes(modifiedRoutes), peerUuid, routes);
+ });
+ }
+
+ private void updateRoutesEntries(final Collection<DataTreeCandidateNode> collection,
+ final RouterId routerId, final Map<RouteUpdateKey, RouteEntry<C, S>> routes) {
+ for (final DataTreeCandidateNode route : collection) {
+ final PathArgument routeArg = route.getIdentifier();
+ if (!(routeArg instanceof NodeIdentifierWithPredicates routeId)) {
+ LOG.debug("Route {} already deleted", routeArg);
+ return;
}
- /*
- * We need to keep track of routers and populate adj-ribs-out, too. If we do not, we need to
- * expose from which client a particular route was learned from in the local RIB, and have
- * the listener perform filtering.
- *
- * We walk the policy set in order to minimize the amount of work we do for multiple peers:
- * if we have two eBGP peers, for example, there is no reason why we should perform the translation
- * multiple times.
- */
- // FIXME: temporary disable AdjRibsOut
- /*for (final PeerRole role : PeerRole.values()) {
- final PeerExportGroup peerGroup = this.peerPolicyTracker.getPeerGroup(role);
- if (peerGroup != null) {
- final ContainerNode attributes = null;
- final PeerId peerId = e.getKey().getPeerId();
- final ContainerNode effectiveAttributes = peerGroup.effectiveAttributes(peerId, attributes);
-
- for (final Entry<PeerId, YangInstanceIdentifier> pid : peerGroup.getPeers()) {
- // This points to adj-rib-out for a particular peer/table combination
- final YangInstanceIdentifier routeTarget = pid.getValue().node(e.getKey().getRouteId());
-
- if (effectiveAttributes != null && value != null && !peerId.equals(pid.getKey())) {
- LOG.debug("Write route to AdjRibsOut {}", value);
- tx.put(LogicalDatastoreType.OPERATIONAL, routeTarget, value);
- tx.put(LogicalDatastoreType.OPERATIONAL, routeTarget.node(this.attributesIdentifier), effectiveAttributes);
- } else {
- LOG.trace("Removing {} from transaction", routeTarget);
- tx.delete(LogicalDatastoreType.OPERATIONAL, routeTarget);
+ final String routeKey = ribSupport.extractRouteKey(routeId);
+ final Uint32 pathId = ribSupport.extractPathId(routeId);
+
+ RouteEntry<C, S> entry;
+ switch (route.getModificationType()) {
+ case DELETE:
+ entry = this.routeEntries.get(routeKey);
+ if (entry != null) {
+ this.totalPathsCounter.decrement();
+ if (entry.removeRoute(routerId, pathId)) {
+ this.routeEntries.remove(routeKey);
+ this.totalPrefixesCounter.decrement();
+ LOG.trace("Removed route from {}", routerId);
}
}
- }
- }*/
+ break;
+ case SUBTREE_MODIFIED:
+ case WRITE:
+ entry = this.routeEntries.get(routeKey);
+ if (entry == null) {
+ entry = createEntry(routeKey);
+ }
+
+ final NormalizedNode routeAfter = route.getDataAfter().get();
+ verify(routeAfter instanceof MapEntryNode, "Unexpected route %s", routeAfter);
+ entry.addRoute(routerId, pathId, (MapEntryNode) routeAfter);
+ this.totalPathsCounter.increment();
+ break;
+ default:
+ throw new IllegalStateException("Unhandled route modification " + route);
+ }
+
+ final RouteUpdateKey routeUpdateKey = new RouteUpdateKey(routerId, routeKey);
+ LOG.debug("Updated route {} entry {}", routeKey, entry);
+ routes.put(routeUpdateKey, entry);
+ }
+ }
+
+ private void walkThrough(final DOMDataTreeWriteOperations tx,
+ final Set<Entry<RouteUpdateKey, RouteEntry<C, S>>> toUpdate) {
+ final List<StaleBestPathRoute> staleRoutes = new ArrayList<>();
+ final List<AdvertizedRoute<C, S>> newRoutes = new ArrayList<>();
+ for (final Entry<RouteUpdateKey, RouteEntry<C, S>> e : toUpdate) {
+ LOG.trace("Walking through {}", e);
+ final RouteEntry<C, S> entry = e.getValue();
+
+ if (!entry.selectBest(this.ribSupport, this.ourAs)) {
+ LOG.trace("Best path has not changed, continuing");
+ continue;
+ }
+
+ 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()
+ .filter(toPeer -> toPeer.supportsTable(this.entryDep.getLocalTablesKey()))
+ .forEach(toPeer -> toPeer.refreshRibOut(this.entryDep, staleRoutes, newRoutes));
+ }
+
+ private void updateLocRib(final List<AdvertizedRoute<C, S>> newRoutes, final List<StaleBestPathRoute> staleRoutes,
+ final DOMDataTreeWriteOperations tx) {
+ final YangInstanceIdentifier locRibTarget = this.entryDep.getLocRibTableTarget();
+
+ for (final StaleBestPathRoute staleContainer : staleRoutes) {
+ for (final NodeIdentifierWithPredicates routeId : staleContainer.getStaleRouteKeyIdentifiers()) {
+ final YangInstanceIdentifier routeTarget = ribSupport.createRouteIdentifier(locRibTarget, routeId);
+ LOG.debug("Delete route from LocRib {}", routeTarget);
+ tx.delete(LogicalDatastoreType.OPERATIONAL, routeTarget);
+ }
}
- tx.submit();
+ for (final AdvertizedRoute<C, S> advRoute : newRoutes) {
+ final MapEntryNode route = advRoute.getRoute();
+ final NodeIdentifierWithPredicates iid = advRoute.getAddPathRouteKeyIdentifier();
+ final YangInstanceIdentifier locRibRouteTarget = this.ribSupport.createRouteIdentifier(locRibTarget, iid);
+ LOG.debug("Write LocRib route {}", locRibRouteTarget);
+ if (LOG.isTraceEnabled()) {
+ LOG.trace("Write route to LocRib {}", NormalizedNodes.toStringTree(route));
+ }
+ tx.put(LogicalDatastoreType.OPERATIONAL, locRibRouteTarget, route);
+ }
+ }
+
+ @Override
+ public long getPrefixesCount() {
+ return this.totalPrefixesCounter.longValue();
+ }
+
+ @Override
+ public long getPathsCount() {
+ return this.totalPathsCounter.longValue();
+ }
+
+ TablesKey getTableKey() {
+ return this.ribSupport.getTablesKey();
+ }
+
+ @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>> routesToStore = new ArrayList<>();
+ for (final Entry<String, RouteEntry<C, S>> entry : this.routeEntries.entrySet()) {
+ final List<ActualBestPathRoutes<C, S>> filteredRoute = entry.getValue()
+ .actualBestPaths(this.ribSupport, new RouteEntryInfoImpl(toPeer, entry.getKey()));
+ routesToStore.addAll(filteredRoute);
+ }
+ toPeer.reEvaluateAdvertizement(this.entryDep, routesToStore);
+ }
}
}
Code Review / bgpcep.git / blobdiff