* 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.controller.cluster.datastore;
+import static com.google.common.base.Verify.verify;
+
import akka.actor.ActorRef;
import akka.actor.ActorSelection;
import akka.actor.Cancellable;
import java.util.Collections;
import java.util.Map;
import java.util.concurrent.TimeUnit;
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
+import org.eclipse.jdt.annotation.NonNull;
+import org.eclipse.jdt.annotation.Nullable;
import org.opendaylight.controller.cluster.access.ABIVersion;
import org.opendaylight.controller.cluster.access.commands.ConnectClientRequest;
import org.opendaylight.controller.cluster.access.commands.ConnectClientSuccess;
import org.opendaylight.controller.cluster.datastore.messages.PeerAddressResolved;
import org.opendaylight.controller.cluster.datastore.messages.PersistAbortTransactionPayload;
import org.opendaylight.controller.cluster.datastore.messages.ReadyLocalTransaction;
-import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListener;
import org.opendaylight.controller.cluster.datastore.messages.RegisterDataTreeChangeListener;
import org.opendaylight.controller.cluster.datastore.messages.ShardLeaderStateChanged;
import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
import org.opendaylight.controller.cluster.datastore.persisted.AbortTransactionPayload;
import org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshot;
import org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshot.ShardSnapshot;
+import org.opendaylight.controller.cluster.datastore.persisted.DisableTrackingPayload;
+import org.opendaylight.controller.cluster.datastore.persisted.PurgeTransactionPayload;
import org.opendaylight.controller.cluster.messaging.MessageAssembler;
import org.opendaylight.controller.cluster.messaging.MessageSlicer;
import org.opendaylight.controller.cluster.messaging.SliceOptions;
import org.opendaylight.controller.cluster.raft.messages.ServerRemoved;
import org.opendaylight.controller.cluster.raft.protobuff.client.messages.Payload;
import org.opendaylight.yangtools.concepts.Identifier;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.TipProducingDataTree;
import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.opendaylight.yangtools.yang.model.api.SchemaContextProvider;
-import scala.concurrent.duration.Duration;
import scala.concurrent.duration.FiniteDuration;
/**
/// The name of this shard
private final String name;
+ private final String shardName;
+
private final ShardStats shardMBean;
private final ShardDataTreeListenerInfoMXBeanImpl listenerInfoMXBean;
private final ShardSnapshotCohort snapshotCohort;
private final DataTreeChangeListenerSupport treeChangeSupport = new DataTreeChangeListenerSupport(this);
- private final DataChangeListenerSupport changeSupport = new DataChangeListenerSupport(this);
-
private ShardSnapshot restoreFromSnapshot;
Optional.of(builder.getDatastoreContext().getShardRaftConfig()), DataStoreVersions.CURRENT_VERSION);
this.name = builder.getId().toString();
+ this.shardName = builder.getId().getShardName();
this.datastoreContext = builder.getDatastoreContext();
this.restoreFromSnapshot = builder.getRestoreFromSnapshot();
this.frontendMetadata = new FrontendMetadata(name);
ShardDataTreeChangeListenerPublisherActorProxy treeChangeListenerPublisher =
new ShardDataTreeChangeListenerPublisherActorProxy(getContext(), name + "-DTCL-publisher", name);
- ShardDataChangeListenerPublisherActorProxy dataChangeListenerPublisher =
- new ShardDataChangeListenerPublisherActorProxy(getContext(), name + "-DCL-publisher", name);
if (builder.getDataTree() != null) {
store = new ShardDataTree(this, builder.getSchemaContext(), builder.getDataTree(),
- treeChangeListenerPublisher, dataChangeListenerPublisher, name, frontendMetadata);
+ treeChangeListenerPublisher, name, frontendMetadata);
} else {
store = new ShardDataTree(this, builder.getSchemaContext(), builder.getTreeType(),
- builder.getDatastoreContext().getStoreRoot(), treeChangeListenerPublisher,
- dataChangeListenerPublisher, name, frontendMetadata);
+ builder.getDatastoreContext().getStoreRoot(), treeChangeListenerPublisher, name, frontendMetadata);
}
shardMBean = ShardMBeanFactory.getShardStatsMBean(name, datastoreContext.getDataStoreMXBeanType(), this);
handleAbortTransaction(AbortTransaction.fromSerializable(message));
} else if (CloseTransactionChain.isSerializedType(message)) {
closeTransactionChain(CloseTransactionChain.fromSerializable(message));
- } else if (message instanceof RegisterChangeListener) {
- changeSupport.onMessage((RegisterChangeListener) message, isLeader(), hasLeader());
} else if (message instanceof RegisterDataTreeChangeListener) {
treeChangeSupport.onMessage((RegisterDataTreeChangeListener) message, isLeader(), hasLeader());
} else if (message instanceof UpdateSchemaContext) {
(DataTreeCohortActorRegistry.CohortRegistryCommand) message);
} else if (message instanceof PersistAbortTransactionPayload) {
final TransactionIdentifier txId = ((PersistAbortTransactionPayload) message).getTransactionId();
- persistPayload(txId, AbortTransactionPayload.create(txId), true);
+ persistPayload(txId, AbortTransactionPayload.create(txId,
+ datastoreContext.getInitialPayloadSerializedBufferCapacity()), true);
+ persistPayload(txId, PurgeTransactionPayload.create(txId,
+ datastoreContext.getInitialPayloadSerializedBufferCapacity()), false);
} else if (message instanceof MakeLeaderLocal) {
onMakeLeaderLocal();
} else if (RESUME_NEXT_PENDING_TRANSACTION.equals(message)) {
responseMessageSlicer.slice(SliceOptions.builder().identifier(success.getTarget())
.message(envelope.newSuccessEnvelope(success, executionTimeNanos))
.sendTo(envelope.getMessage().getReplyTo()).replyTo(self())
- .onFailureCallback(t -> {
- LOG.warn("Error slicing response {}", success, t);
- }).build()));
+ .onFailureCallback(t -> LOG.warn("Error slicing response {}", success, t)).build()));
} else {
envelope.sendSuccess(success, executionTimeNanos);
}
return Optional.of(state.getLastConnectTicks());
}
+ private void disableTracking(final DisableTrackingPayload payload) {
+ final ClientIdentifier clientId = payload.getIdentifier();
+ LOG.debug("{}: disabling tracking of {}", persistenceId(), clientId);
+ frontendMetadata.disableTracking(clientId);
+
+ if (isLeader()) {
+ final FrontendIdentifier frontendId = clientId.getFrontendId();
+ final LeaderFrontendState frontend = knownFrontends.get(frontendId);
+ if (frontend != null) {
+ if (clientId.equals(frontend.getIdentifier())) {
+ if (!(frontend instanceof LeaderFrontendState.Disabled)) {
+ verify(knownFrontends.replace(frontendId, frontend,
+ new LeaderFrontendState.Disabled(persistenceId(), clientId, store)));
+ LOG.debug("{}: leader state for {} disabled", persistenceId(), clientId);
+ } else {
+ LOG.debug("{}: leader state {} is already disabled", persistenceId(), frontend);
+ }
+ } else {
+ LOG.debug("{}: leader state {} does not match {}", persistenceId(), frontend, clientId);
+ }
+ } else {
+ LOG.debug("{}: leader state for {} not found", persistenceId(), clientId);
+ }
+ }
+ }
+
private void onMakeLeaderLocal() {
LOG.debug("{}: onMakeLeaderLocal received", persistenceId());
if (isLeader()) {
}
// Acquire our frontend tracking handle and verify generation matches
- @Nullable
- private LeaderFrontendState findFrontend(final ClientIdentifier clientId) throws RequestException {
+ private @Nullable LeaderFrontendState findFrontend(final ClientIdentifier clientId) throws RequestException {
final LeaderFrontendState existing = knownFrontends.get(clientId.getFrontendId());
if (existing != null) {
final int cmp = Long.compareUnsigned(existing.getIdentifier().getGeneration(), clientId.getGeneration());
}
if (cmp > 0) {
LOG.debug("{}: rejecting request from outdated client {}", persistenceId(), clientId);
- throw new RetiredGenerationException(existing.getIdentifier().getGeneration());
+ throw new RetiredGenerationException(clientId.getGeneration(),
+ existing.getIdentifier().getGeneration());
}
LOG.info("{}: retiring state {}, outdated by request from client {}", persistenceId(), existing, clientId);
throw new OutOfSequenceEnvelopeException(0);
}
- @Nonnull
- private static ABIVersion selectVersion(final ConnectClientRequest message) {
+ private static @NonNull ABIVersion selectVersion(final ConnectClientRequest message) {
final Range<ABIVersion> clientRange = Range.closed(message.getMinVersion(), message.getMaxVersion());
for (ABIVersion v : SUPPORTED_ABIVERSIONS) {
if (clientRange.contains(v)) {
final ABIVersion selectedVersion = selectVersion(message);
final LeaderFrontendState frontend;
if (existing == null) {
- frontend = new LeaderFrontendState(persistenceId(), clientId, store);
+ frontend = new LeaderFrontendState.Enabled(persistenceId(), clientId, store);
knownFrontends.put(clientId.getFrontendId(), frontend);
LOG.debug("{}: created state {} for client {}", persistenceId(), frontend, clientId);
} else {
}
}
- @Nullable
- private RequestSuccess<?, ?> handleRequest(final RequestEnvelope envelope, final long now)
+ private @Nullable RequestSuccess<?, ?> handleRequest(final RequestEnvelope envelope, final long now)
throws RequestException {
// We are not the leader, hence we want to fail-fast.
if (!isLeader() || paused || !isLeaderActive()) {
return roleChangeNotifier;
}
+ String getShardName() {
+ return shardName;
+ }
+
@Override
protected LeaderStateChanged newLeaderStateChanged(final String memberId, final String leaderId,
final short leaderPayloadVersion) {
LOG.debug("{}: Forwarding ForwardedReadyTransaction to leader {}", persistenceId(), leader);
ReadyLocalTransaction readyLocal = new ReadyLocalTransaction(forwardedReady.getTransactionId(),
- forwardedReady.getTransaction().getSnapshot(), forwardedReady.isDoImmediateCommit());
+ forwardedReady.getTransaction().getSnapshot(), forwardedReady.isDoImmediateCommit(),
+ forwardedReady.getParticipatingShardNames());
readyLocal.setRemoteVersion(getCurrentBehavior().getLeaderPayloadVersion());
leader.forward(readyLocal, getContext());
}
}
private void closeTransactionChain(final CloseTransactionChain closeTransactionChain) {
- final LocalHistoryIdentifier id = closeTransactionChain.getIdentifier();
- store.closeTransactionChain(id, null);
- store.purgeTransactionChain(id, null);
+ if (isLeader()) {
+ final LocalHistoryIdentifier id = closeTransactionChain.getIdentifier();
+ // FIXME: CONTROLLER-1628: stage purge once no transactions are present
+ store.closeTransactionChain(id, null);
+ store.purgeTransactionChain(id, null);
+ } else if (getLeader() != null) {
+ getLeader().forward(closeTransactionChain, getContext());
+ } else {
+ LOG.warn("{}: Could not close transaction {}", persistenceId(), closeTransactionChain.getIdentifier());
+ }
}
@SuppressWarnings("checkstyle:IllegalCatch")
}
@Override
- @Nonnull
protected RaftActorRecoveryCohort getRaftActorRecoveryCohort() {
if (restoreFromSnapshot == null) {
return ShardRecoveryCoordinator.create(store, persistenceId(), LOG);
if (txCommitTimeoutCheckSchedule == null) {
// Schedule a message to be periodically sent to check if the current in-progress
// transaction should be expired and aborted.
- FiniteDuration period = Duration.create(transactionCommitTimeout / 3, TimeUnit.MILLISECONDS);
+ FiniteDuration period = FiniteDuration.create(transactionCommitTimeout / 3, TimeUnit.MILLISECONDS);
txCommitTimeoutCheckSchedule = getContext().system().scheduler().schedule(
period, period, getSelf(),
TX_COMMIT_TIMEOUT_CHECK_MESSAGE, getContext().dispatcher(), ActorRef.noSender());
@Override
protected void applyState(final ActorRef clientActor, final Identifier identifier, final Object data) {
if (data instanceof Payload) {
+ if (data instanceof DisableTrackingPayload) {
+ disableTracking((DisableTrackingPayload) data);
+ return;
+ }
+
try {
store.applyReplicatedPayload(identifier, (Payload)data);
} catch (DataValidationFailedException | IOException e) {
protected void onStateChanged() {
boolean isLeader = isLeader();
boolean hasLeader = hasLeader();
- changeSupport.onLeadershipChange(isLeader, hasLeader);
treeChangeSupport.onLeadershipChange(isLeader, hasLeader);
// If this actor is no longer the leader close all the transaction chains
messagesToForward.size(), leader);
for (Object message : messagesToForward) {
+ LOG.debug("{}: Forwarding pending transaction message {}", persistenceId(), message);
+
leader.tell(message, self());
}
}
@Override
protected OnDemandRaftState.AbstractBuilder<?, ?> newOnDemandRaftStateBuilder() {
return OnDemandShardState.newBuilder().treeChangeListenerActors(treeChangeSupport.getListenerActors())
- .dataChangeListenerActors(changeSupport.getListenerActors())
.commitCohortActors(store.getCohortActors());
}
private DatastoreContext datastoreContext;
private SchemaContextProvider schemaContextProvider;
private DatastoreSnapshot.ShardSnapshot restoreFromSnapshot;
- private TipProducingDataTree dataTree;
+ private DataTree dataTree;
private volatile boolean sealed;
protected AbstractBuilder(final Class<S> shardClass) {
return self();
}
- public T schemaContextProvider(final SchemaContextProvider schemaContextProvider) {
+ public T schemaContextProvider(final SchemaContextProvider newSchemaContextProvider) {
checkSealed();
- this.schemaContextProvider = Preconditions.checkNotNull(schemaContextProvider);
+ this.schemaContextProvider = Preconditions.checkNotNull(newSchemaContextProvider);
return self();
}
return self();
}
- public T dataTree(final TipProducingDataTree newDataTree) {
+ public T dataTree(final DataTree newDataTree) {
checkSealed();
this.dataTree = newDataTree;
return self();
return restoreFromSnapshot;
}
- public TipProducingDataTree getDataTree() {
+ public DataTree getDataTree() {
return dataTree;
}
}
public static class Builder extends AbstractBuilder<Builder, Shard> {
- private Builder() {
+ Builder() {
super(Shard.class);
}
}
Code Review / controller.git / blobdiff