Update RIB-based constants
[bgpcep.git] / bgp / rib-impl / src / main / java / org / opendaylight / protocol / bgp / rib / impl / RIBImpl.java
old mode 100644 (file)
new mode 100755 (executable)
index 3a3c110..c6a8d26
  */
 package org.opendaylight.protocol.bgp.rib.impl;
 
-import java.util.concurrent.ExecutionException;
-import java.util.concurrent.Future;
+import static java.util.Objects.requireNonNull;
+import static org.opendaylight.protocol.bgp.rib.spi.RIBNodeIdentifiers.BGPRIB_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.RIB_NID;
+import static org.opendaylight.protocol.bgp.rib.spi.RIBNodeIdentifiers.TABLES_NID;
 
+import com.google.common.base.MoreObjects;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.util.concurrent.FluentFuture;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.MoreExecutors;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ExecutionException;
+import javax.annotation.Nonnull;
+import javax.annotation.concurrent.GuardedBy;
 import javax.annotation.concurrent.ThreadSafe;
-
-import org.opendaylight.controller.md.sal.common.api.TransactionStatus;
-import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
-import org.opendaylight.controller.sal.binding.api.data.DataProviderService;
-import org.opendaylight.protocol.bgp.rib.spi.AdjRIBsIn;
+import org.opendaylight.controller.md.sal.binding.api.BindingTransactionChain;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.common.api.data.AsyncTransaction;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+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.DOMDataBroker;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataBrokerExtension;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeService;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
+import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
+import org.opendaylight.mdsal.common.api.CommitInfo;
+import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceRegistration;
+import org.opendaylight.protocol.bgp.mode.api.PathSelectionMode;
+import org.opendaylight.protocol.bgp.mode.impl.base.BasePathSelectionModeFactory;
+import org.opendaylight.protocol.bgp.openconfig.spi.BGPTableTypeRegistryConsumer;
+import org.opendaylight.protocol.bgp.rib.impl.spi.BGPDispatcher;
+import org.opendaylight.protocol.bgp.rib.impl.spi.CodecsRegistry;
+import org.opendaylight.protocol.bgp.rib.impl.spi.RIB;
+import org.opendaylight.protocol.bgp.rib.impl.spi.RIBSupportContextRegistry;
+import org.opendaylight.protocol.bgp.rib.impl.spi.RibOutRefresh;
+import org.opendaylight.protocol.bgp.rib.impl.state.BGPRIBStateImpl;
+import org.opendaylight.protocol.bgp.rib.spi.BGPPeerTracker;
 import org.opendaylight.protocol.bgp.rib.spi.RIBExtensionConsumerContext;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130918.Update;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130918.update.PathAttributes;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130918.PathAttributes1;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130918.PathAttributes2;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130918.update.path.attributes.MpReachNlri;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130918.update.path.attributes.MpUnreachNlri;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.TablesKey;
-import org.opendaylight.yangtools.yang.common.RpcResult;
+import org.opendaylight.protocol.bgp.rib.spi.RIBSupport;
+import org.opendaylight.protocol.bgp.rib.spi.policy.BGPRibRoutingPolicy;
+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.multiprotocol.rev180329.BgpTableType;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.BgpRib;
+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.RibId;
+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.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.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.BgpId;
+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.common.QName;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.InstanceIdentifierBuilder;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
+import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
+import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
+import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
+import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.model.api.SchemaContextListener;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.google.common.base.Objects;
-import com.google.common.base.Objects.ToStringHelper;
-import com.google.common.base.Preconditions;
-
 @ThreadSafe
-public class RIBImpl {
-       private static final Logger LOG = LoggerFactory.getLogger(RIBImpl.class);
-       private final DataProviderService dps;
-       private final RIBTables tables;
-
-       public RIBImpl(final RIBExtensionConsumerContext extensions, final DataProviderService dps) {
-               this.dps = Preconditions.checkNotNull(dps);
-               this.tables = new RIBTables(BGPObjectComparator.INSTANCE, extensions);
-       }
-
-       synchronized void updateTables(final BGPPeer peer, final Update message) {
-               final DataModificationTransaction trans = this.dps.beginTransaction();
-
-               // FIXME: detect and handle end-of-RIB markers
-
-               // remove(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class,
-               // trans, peer, message.getWithdrawnRoutes().getWithdrawnRoutes().iterator());
-
-               final PathAttributes attrs = message.getPathAttributes();
-               final PathAttributes2 mpu = attrs.getAugmentation(PathAttributes2.class);
-               if (mpu != null) {
-                       final MpUnreachNlri nlri = mpu.getMpUnreachNlri();
-
-                       final AdjRIBsIn ari = this.tables.getOrCreate(new TablesKey(nlri.getAfi(), nlri.getSafi()));
-                       if (ari != null) {
-                               ari.removeRoutes(trans, peer, nlri);
-                       } else {
-                               LOG.debug("Not removing objects from unhandled NLRI {}", nlri);
-                       }
-               }
-
-               // add(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class,
-               // trans, peer, message.getNlri().getNlri().iterator(), attrs);
-
-               final PathAttributes1 mpr = message.getPathAttributes().getAugmentation(PathAttributes1.class);
-               if (mpr != null) {
-                       final MpReachNlri nlri = mpr.getMpReachNlri();
-
-                       final AdjRIBsIn ari = this.tables.getOrCreate(new TablesKey(nlri.getAfi(), nlri.getSafi()));
-                       if (ari != null) {
-                               ari.addRoutes(trans, peer, nlri, attrs);
-                       } else {
-                               LOG.debug("Not adding objects from unhandled NLRI {}", nlri);
-                       }
-               }
-
-               // FIXME: we need to attach to this future for failures
-               final Future<RpcResult<TransactionStatus>> f = trans.commit();
-               try {
-                       f.get();
-               } catch (InterruptedException | ExecutionException e) {
-                       LOG.error("Failed to commit RIB modification", e);
-               }
-       }
-
-       synchronized void clearTable(final BGPPeer peer, final TablesKey key) {
-               final AdjRIBsIn ari = this.tables.get(key);
-               if (ari != null) {
-                       final DataModificationTransaction trans = this.dps.beginTransaction();
-                       ari.clear(trans, peer);
-
-                       // FIXME: we need to attach to this future for failures
-                       final Future<RpcResult<TransactionStatus>> f = trans.commit();
-                       try {
-                               f.get();
-                       } catch (InterruptedException | ExecutionException e) {
-                               LOG.error("Failed to commit RIB modification", e);
-                       }
-               }
-       }
-
-       @Override
-       public String toString() {
-               return addToStringAttributes(Objects.toStringHelper(this)).toString();
-       }
-
-       protected ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) {
-               return toStringHelper;
-       }
+public final class RIBImpl extends BGPRIBStateImpl implements RIB, TransactionChainListener,
+        SchemaContextListener, AutoCloseable {
+    private static final Logger LOG = LoggerFactory.getLogger(RIBImpl.class);
+    private static final QName RIB_ID_QNAME = QName.create(Rib.QNAME, "id").intern();
+
+    private final BGPDispatcher dispatcher;
+    private final AsNumber localAs;
+    private final BgpId bgpIdentifier;
+    private final Set<BgpTableType> localTables;
+    private final Set<TablesKey> localTablesKeys;
+    private final DOMDataBroker domDataBroker;
+    private final DataBroker dataBroker;
+    private final RIBExtensionConsumerContext extensions;
+    private final YangInstanceIdentifier yangRibId;
+    private final RIBSupportContextRegistryImpl ribContextRegistry;
+    private final CodecsRegistryImpl codecsRegistry;
+    private final BGPTableTypeRegistryConsumer tableTypeRegistry;
+    private final DOMDataBrokerExtension domService;
+    private final Map<TransactionChain<?, ?>, LocRibWriter> txChainToLocRibWriter = new HashMap<>();
+    private final Map<TablesKey, PathSelectionMode> bestPathSelectionStrategies;
+    private final RibId ribId;
+    private final BGPPeerTracker peerTracker = new BGPPeerTrackerImpl();
+    private final BGPRibRoutingPolicy ribPolicies;
+    @GuardedBy("this")
+    private ClusterSingletonServiceRegistration registration;
+    @GuardedBy("this")
+    private DOMTransactionChain domChain;
+    @GuardedBy("this")
+    private boolean isServiceInstantiated;
+    private final Map<TablesKey, RibOutRefresh> vpnTableRefresher = new HashMap<>();
+
+    public RIBImpl(
+            final BGPTableTypeRegistryConsumer tableTypeRegistry,
+            final RibId ribId,
+            final AsNumber localAs,
+            final BgpId localBgpId,
+            final RIBExtensionConsumerContext extensions,
+            final BGPDispatcher dispatcher,
+            final CodecsRegistryImpl codecsRegistry,
+            final DOMDataBroker domDataBroker,
+            final DataBroker dataBroker,
+            final BGPRibRoutingPolicy ribPolicies,
+            final List<BgpTableType> localTables,
+            final Map<TablesKey, PathSelectionMode> bestPathSelectionStrategies
+    ) {
+        super(InstanceIdentifier.create(BgpRib.class).child(Rib.class, new RibKey(requireNonNull(ribId))),
+                localBgpId, localAs);
+        this.tableTypeRegistry = requireNonNull(tableTypeRegistry);
+        this.localAs = requireNonNull(localAs);
+        this.bgpIdentifier = requireNonNull(localBgpId);
+        this.dispatcher = requireNonNull(dispatcher);
+        this.localTables = ImmutableSet.copyOf(localTables);
+        this.localTablesKeys = new HashSet<>();
+        this.domDataBroker = requireNonNull(domDataBroker);
+        this.dataBroker = requireNonNull(dataBroker);
+        this.domService = this.domDataBroker.getSupportedExtensions().get(DOMDataTreeChangeService.class);
+        this.extensions = requireNonNull(extensions);
+        this.ribPolicies = requireNonNull(ribPolicies);
+        this.codecsRegistry = codecsRegistry;
+        this.ribContextRegistry = RIBSupportContextRegistryImpl.create(extensions, this.codecsRegistry);
+        final InstanceIdentifierBuilder yangRibIdBuilder = YangInstanceIdentifier.builder().node(BGPRIB_NID).node(RIB_NID);
+        this.yangRibId = yangRibIdBuilder.nodeWithKey(Rib.QNAME, RIB_ID_QNAME, ribId.getValue()).build();
+        this.bestPathSelectionStrategies = requireNonNull(bestPathSelectionStrategies);
+        this.ribId = ribId;
+
+        for (final BgpTableType t : this.localTables) {
+            final TablesKey key = new TablesKey(t.getAfi(), t.getSafi());
+            this.localTablesKeys.add(key);
+        }
+    }
+
+    private synchronized void startLocRib(final TablesKey key) {
+        LOG.debug("Creating LocRib table for {}", key);
+        // create locRibWriter for each table
+        final DOMDataWriteTransaction tx = this.domChain.newWriteOnlyTransaction();
+
+        final RIBSupport<? extends Routes, ?, ?, ?> ribSupport = this.ribContextRegistry.getRIBSupport(key);
+        if (ribSupport != null) {
+            final MapEntryNode emptyTable = ribSupport.emptyTable();
+            final InstanceIdentifierBuilder tableId = YangInstanceIdentifier
+                    .builder(this.yangRibId.node(LOCRIB_NID).node(TABLES_NID)).node(emptyTable.getIdentifier());
+
+            tx.put(LogicalDatastoreType.OPERATIONAL, tableId.build(), emptyTable);
+            try {
+                tx.commit().get();
+            } catch (final InterruptedException | ExecutionException e1) {
+                LOG.error("Failed to initiate LocRIB for key {}", key, e1);
+            }
+        } else {
+            LOG.warn("There's no registered RIB Context for {}", key.getAfi());
+        }
+    }
+
+    private synchronized <C extends Routes & DataObject & ChoiceIn<Tables>, S extends ChildOf<? super C>,
+            R extends Route & ChildOf<? super S> & Identifiable<I>, I extends Identifier<R>>
+            void createLocRibWriter(final TablesKey key) {
+        final RIBSupport<C, S, R, I> ribSupport = this.ribContextRegistry.getRIBSupport(key);
+        if (ribSupport == null) {
+            return;
+        }
+        LOG.debug("Creating LocRIB writer for key {}", key);
+        final BindingTransactionChain txChain = createPeerChain(this);
+        PathSelectionMode pathSelectionStrategy = this.bestPathSelectionStrategies.get(key);
+        if (pathSelectionStrategy == null) {
+            pathSelectionStrategy = BasePathSelectionModeFactory.createBestPathSelectionStrategy();
+        }
+
+        final LocRibWriter<C, S, R, I> locRibWriter = LocRibWriter.create(
+                ribSupport,
+                this.tableTypeRegistry.getAfiSafiType(key).get(),
+                txChain,
+                getInstanceIdentifier(),
+                this.localAs,
+                getDataBroker(),
+                this.ribPolicies,
+                this.peerTracker,
+                pathSelectionStrategy);
+        this.vpnTableRefresher.put(key, locRibWriter);
+        registerTotalPathCounter(key, locRibWriter);
+        registerTotalPrefixesCounter(key, locRibWriter);
+        this.txChainToLocRibWriter.put(txChain, locRibWriter);
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(this).add("bgpId", bgpIdentifier).add("localTables", localTables).toString();
+    }
+
+    @Override
+    public synchronized void close() throws Exception {
+        if (this.registration != null) {
+            this.registration.close();
+            this.registration = null;
+        }
+    }
+
+    @Override
+    public AsNumber getLocalAs() {
+        return this.localAs;
+    }
+
+    @Override
+    public BgpId getBgpIdentifier() {
+        return this.bgpIdentifier;
+    }
+
+    @Nonnull
+    @Override
+    public Set<? extends BgpTableType> getLocalTables() {
+        return this.localTables;
+    }
+
+    @Override
+    public BGPDispatcher getDispatcher() {
+        return this.dispatcher;
+    }
+
+    @Override
+    public synchronized void onTransactionChainFailed(final TransactionChain<?, ?> chain,
+            final AsyncTransaction<?, ?> transaction, final Throwable cause) {
+        LOG.error("Broken chain in RIB {} transaction {}",
+                getInstanceIdentifier(), transaction != null ? transaction.getIdentifier() : null, cause);
+        if (this.txChainToLocRibWriter.containsKey(chain)) {
+            final LocRibWriter locRibWriter = this.txChainToLocRibWriter.remove(chain);
+            final BindingTransactionChain newChain = createPeerChain(this);
+            startLocRib(locRibWriter.getTableKey());
+            locRibWriter.restart(newChain);
+            this.txChainToLocRibWriter.put(newChain, locRibWriter);
+        }
+    }
+
+    @Override
+    public void onTransactionChainSuccessful(final TransactionChain<?, ?> chain) {
+        LOG.info("RIB {} closed successfully", getInstanceIdentifier());
+    }
+
+    @Override
+    public Set<TablesKey> getLocalTablesKeys() {
+        return this.localTablesKeys;
+    }
+
+    @Override
+    public boolean supportsTable(final TablesKey tableKey) {
+        return this.localTablesKeys.contains(tableKey);
+    }
+
+    @Override
+    public BGPRibRoutingPolicy getRibPolicies() {
+        return this.ribPolicies;
+    }
+
+    @Override
+    public BGPPeerTracker getPeerTracker() {
+        return this.peerTracker;
+    }
+
+    @Override
+    public void refreshTable(final TablesKey tk, final PeerId peerId) {
+        final RibOutRefresh table = this.vpnTableRefresher.get(tk);
+        if (table != null) {
+            table.refreshTable(tk, peerId);
+        }
+    }
+
+    @Override
+    public DOMDataTreeChangeService getService() {
+        return (DOMDataTreeChangeService) this.domService;
+    }
+
+    @Override
+    public DataBroker getDataBroker() {
+        return this.dataBroker;
+    }
+
+    @Override
+    public YangInstanceIdentifier getYangRibId() {
+        return this.yangRibId;
+    }
+
+    @Override
+    public BindingTransactionChain createPeerChain(final TransactionChainListener listener) {
+        return this.dataBroker.createTransactionChain(listener);
+    }
+
+    @Override
+    public DOMTransactionChain createPeerDOMChain(final TransactionChainListener listener) {
+        return this.domDataBroker.createTransactionChain(listener);
+    }
+
+    @Override
+    public RIBExtensionConsumerContext getRibExtensions() {
+        return this.extensions;
+    }
+
+    @Override
+    public RIBSupportContextRegistry getRibSupportContext() {
+        return this.ribContextRegistry;
+    }
+
+    @Override
+    public void onGlobalContextUpdated(final SchemaContext context) {
+        this.codecsRegistry.onSchemaContextUpdated(context);
+    }
+
+    @Override
+    public CodecsRegistry getCodecsRegistry() {
+        return this.codecsRegistry;
+    }
+
+    public synchronized void instantiateServiceInstance() {
+        this.isServiceInstantiated = true;
+        setActive(true);
+        this.domChain = this.domDataBroker.createTransactionChain(this);
+        LOG.debug("Instantiating RIB table {} at {}", this.ribId, this.yangRibId);
+
+        final ContainerNode bgpRib = Builders.containerBuilder().withNodeIdentifier(BGPRIB_NID)
+                .addChild(ImmutableNodes.mapNodeBuilder(RIB_NID).build()).build();
+
+        final MapEntryNode ribInstance = Builders.mapEntryBuilder().withNodeIdentifier(
+                new NodeIdentifierWithPredicates(Rib.QNAME, RIB_ID_QNAME, this.ribId.getValue()))
+                .addChild(ImmutableNodes.leafNode(RIB_ID_QNAME, this.ribId.getValue()))
+                .addChild(ImmutableNodes.mapNodeBuilder(PEER_NID).build())
+                .addChild(Builders.containerBuilder().withNodeIdentifier(LOCRIB_NID)
+                        .addChild(ImmutableNodes.mapNodeBuilder(TABLES_NID).build())
+                        .build()).build();
+
+        final DOMDataWriteTransaction trans = this.domChain.newWriteOnlyTransaction();
+
+        // merge empty BgpRib + Rib, to make sure the top-level parent structure is present
+        trans.merge(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.create(BGPRIB_NID), bgpRib);
+        trans.put(LogicalDatastoreType.OPERATIONAL, this.yangRibId, ribInstance);
+
+        try {
+            trans.commit().get();
+        } catch (final InterruptedException | ExecutionException e) {
+            LOG.error("Failed to initiate RIB {}", this.yangRibId, e);
+        }
+
+        LOG.debug("Effective RIB created.");
+
+        this.localTablesKeys.forEach(this::startLocRib);
+        this.localTablesKeys.forEach(this::createLocRibWriter);
+    }
+
+    public synchronized FluentFuture<? extends CommitInfo> closeServiceInstance() {
+        if (!this.isServiceInstantiated) {
+            LOG.trace("RIB {} already closed", this.ribId.getValue());
+            return CommitInfo.emptyFluentFuture();
+        }
+        LOG.info("Close RIB {}", this.ribId.getValue());
+        this.isServiceInstantiated = false;
+        setActive(false);
+
+        this.txChainToLocRibWriter.values().forEach(LocRibWriter::close);
+        this.txChainToLocRibWriter.clear();
+
+        final DOMDataWriteTransaction t = this.domChain.newWriteOnlyTransaction();
+        t.delete(LogicalDatastoreType.OPERATIONAL, getYangRibId());
+        final FluentFuture<? extends CommitInfo> cleanFuture = t.commit();
+        cleanFuture.addCallback(new FutureCallback<CommitInfo>() {
+            @Override
+            public void onSuccess(final CommitInfo result) {
+                LOG.info("RIB cleaned {}", RIBImpl.this.ribId.getValue());
+            }
+
+            @Override
+            public void onFailure(final Throwable throwable) {
+                LOG.error("Failed to clean RIB {}",
+                        RIBImpl.this.ribId.getValue(), throwable);
+            }
+        }, MoreExecutors.directExecutor());
+        this.domChain.close();
+        return cleanFuture;
+    }
 }