X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2FShard.java;h=5ea9b30c63e7d3f9b44e9800eddb2b5e42f08657;hp=789d51a19f88942e3a35ceb7fc4d69cb20c8abcb;hb=f5a373c5378af41f62a2c36ced4046fbdb77e00b;hpb=846b5ae74588943cc5bd176e219809ced07104d6 diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/Shard.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/Shard.java index 789d51a19f..5ea9b30c63 100644 --- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/Shard.java +++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/Shard.java @@ -27,9 +27,12 @@ import com.google.common.util.concurrent.Futures; import com.google.common.util.concurrent.ListenableFuture; import com.google.protobuf.ByteString; import com.google.protobuf.InvalidProtocolBufferException; +import org.opendaylight.controller.cluster.DataPersistenceProvider; import org.opendaylight.controller.cluster.common.actor.CommonConfig; import org.opendaylight.controller.cluster.common.actor.MeteringBehavior; import org.opendaylight.controller.cluster.datastore.ShardCommitCoordinator.CohortEntry; +import org.opendaylight.controller.cluster.datastore.compat.BackwardsCompatibleThreePhaseCommitCohort; +import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException; import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier; import org.opendaylight.controller.cluster.datastore.identifiers.ShardTransactionIdentifier; import org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard.ShardMBeanFactory; @@ -103,10 +106,6 @@ public class Shard extends RaftActor { private final LoggingAdapter LOG = Logging.getLogger(getContext().system(), this); - // By default persistent will be true and can be turned off using the system - // property shard.persistent - private final boolean persistent; - /// The name of this shard private final ShardIdentifier name; @@ -119,6 +118,8 @@ public class Shard extends RaftActor { private final DatastoreContext datastoreContext; + private final DataPersistenceProvider dataPersistenceProvider; + private SchemaContext schemaContext; private ActorRef createSnapshotTransaction; @@ -147,12 +148,9 @@ public class Shard extends RaftActor { this.name = name; this.datastoreContext = datastoreContext; this.schemaContext = schemaContext; + this.dataPersistenceProvider = (datastoreContext.isPersistent()) ? new PersistentDataProvider() : new NonPersistentRaftDataProvider(); - String setting = System.getProperty("shard.persistent"); - - this.persistent = !"false".equals(setting); - - LOG.info("Shard created : {} persistent : {}", name, persistent); + LOG.info("Shard created : {} persistent : {}", name, datastoreContext.isPersistent()); store = InMemoryDOMDataStoreFactory.create(name.toString(), null, datastoreContext.getDataStoreProperties()); @@ -210,7 +208,7 @@ public class Shard extends RaftActor { } @Override - public void onReceiveRecover(Object message) { + public void onReceiveRecover(Object message) throws Exception { if(LOG.isDebugEnabled()) { LOG.debug("onReceiveRecover: Received message {} from {}", message.getClass().toString(), @@ -229,7 +227,7 @@ public class Shard extends RaftActor { } @Override - public void onReceiveCommand(Object message) { + public void onReceiveCommand(Object message) throws Exception { if(LOG.isDebugEnabled()) { LOG.debug("onReceiveCommand: Received message {} from {}", message, getSender()); } @@ -307,12 +305,8 @@ public class Shard extends RaftActor { // currently uses a same thread executor anyway. cohortEntry.getCohort().preCommit().get(); - if(persistent) { - Shard.this.persistData(getSender(), transactionID, - new CompositeModificationPayload(cohortEntry.getModification().toSerializable())); - } else { - Shard.this.finishCommit(getSender(), transactionID); - } + Shard.this.persistData(getSender(), transactionID, + new CompositeModificationPayload(cohortEntry.getModification().toSerializable())); } catch (InterruptedException | ExecutionException e) { LOG.error(e, "An exception occurred while preCommitting transaction {}", cohortEntry.getTransactionID()); @@ -381,7 +375,8 @@ public class Shard extends RaftActor { } private void handleForwardedReadyTransaction(ForwardedReadyTransaction ready) { - LOG.debug("Readying transaction {}", ready.getTransactionID()); + LOG.debug("Readying transaction {}, client version {}", ready.getTransactionID(), + ready.getTxnClientVersion()); // This message is forwarded by the ShardTransaction on ready. We cache the cohort in the // commitCoordinator in preparation for the subsequent three phase commit initiated by @@ -389,12 +384,22 @@ public class Shard extends RaftActor { commitCoordinator.transactionReady(ready.getTransactionID(), ready.getCohort(), ready.getModification()); - // Return our actor path as we'll handle the three phase commit. - ReadyTransactionReply readyTransactionReply = - new ReadyTransactionReply(Serialization.serializedActorPath(self())); - getSender().tell( - ready.isReturnSerialized() ? readyTransactionReply.toSerializable() : readyTransactionReply, - getSelf()); + // Return our actor path as we'll handle the three phase commit, except if the Tx client + // version < 1 (Helium-1 version). This means the Tx was initiated by a base Helium version + // node. In that case, the subsequent 3-phase commit messages won't contain the + // transactionId so to maintain backwards compatibility, we create a separate cohort actor + // to provide the compatible behavior. + ActorRef replyActorPath = self(); + if(ready.getTxnClientVersion() < CreateTransaction.HELIUM_1_VERSION) { + LOG.debug("Creating BackwardsCompatibleThreePhaseCommitCohort"); + replyActorPath = getContext().actorOf(BackwardsCompatibleThreePhaseCommitCohort.props( + ready.getTransactionID())); + } + + ReadyTransactionReply readyTransactionReply = new ReadyTransactionReply( + Serialization.serializedActorPath(replyActorPath)); + getSender().tell(ready.isReturnSerialized() ? readyTransactionReply.toSerializable() : + readyTransactionReply, getSelf()); } private void handleAbortTransaction(AbortTransaction abort) { @@ -442,9 +447,9 @@ public class Shard extends RaftActor { } else if (getLeader() != null) { getLeader().forward(message, getContext()); } else { - getSender().tell(new akka.actor.Status.Failure(new IllegalStateException( + getSender().tell(new akka.actor.Status.Failure(new NoShardLeaderException( "Could not find shard leader so transaction cannot be created. This typically happens" + - " when system is coming up or recovering and a leader is being elected. Try again" + + " when the system is coming up or recovering and a leader is being elected. Try again" + " later.")), getSelf()); } } @@ -472,10 +477,8 @@ public class Shard extends RaftActor { } } - private ActorRef createTypedTransactionActor( - int transactionType, - ShardTransactionIdentifier transactionId, - String transactionChainId ) { + private ActorRef createTypedTransactionActor(int transactionType, + ShardTransactionIdentifier transactionId, String transactionChainId, int clientVersion ) { DOMStoreTransactionFactory factory = store; @@ -499,7 +502,8 @@ public class Shard extends RaftActor { return getContext().actorOf( ShardTransaction.props(factory.newReadOnlyTransaction(), getSelf(), schemaContext,datastoreContext, shardMBean, - transactionId.getRemoteTransactionId()), transactionId.toString()); + transactionId.getRemoteTransactionId(), clientVersion), + transactionId.toString()); } else if (transactionType == TransactionProxy.TransactionType.READ_WRITE.ordinal()) { @@ -508,7 +512,8 @@ public class Shard extends RaftActor { return getContext().actorOf( ShardTransaction.props(factory.newReadWriteTransaction(), getSelf(), schemaContext, datastoreContext, shardMBean, - transactionId.getRemoteTransactionId()), transactionId.toString()); + transactionId.getRemoteTransactionId(), clientVersion), + transactionId.toString()); } else if (transactionType == TransactionProxy.TransactionType.WRITE_ONLY.ordinal()) { @@ -518,7 +523,8 @@ public class Shard extends RaftActor { return getContext().actorOf( ShardTransaction.props(factory.newWriteOnlyTransaction(), getSelf(), schemaContext, datastoreContext, shardMBean, - transactionId.getRemoteTransactionId()), transactionId.toString()); + transactionId.getRemoteTransactionId(), clientVersion), + transactionId.toString()); } else { throw new IllegalArgumentException( "Shard="+name + ":CreateTransaction message has unidentified transaction type=" @@ -528,10 +534,12 @@ public class Shard extends RaftActor { private void createTransaction(CreateTransaction createTransaction) { createTransaction(createTransaction.getTransactionType(), - createTransaction.getTransactionId(), createTransaction.getTransactionChainId()); + createTransaction.getTransactionId(), createTransaction.getTransactionChainId(), + createTransaction.getVersion()); } - private ActorRef createTransaction(int transactionType, String remoteTransactionId, String transactionChainId) { + private ActorRef createTransaction(int transactionType, String remoteTransactionId, + String transactionChainId, int clientVersion) { ShardTransactionIdentifier transactionId = ShardTransactionIdentifier.builder() @@ -540,8 +548,8 @@ public class Shard extends RaftActor { if(LOG.isDebugEnabled()) { LOG.debug("Creating transaction : {} ", transactionId); } - ActorRef transactionActor = - createTypedTransactionActor(transactionType, transactionId, transactionChainId); + ActorRef transactionActor = createTypedTransactionActor(transactionType, transactionId, + transactionChainId, clientVersion); getSender() .tell(new CreateTransactionReply( @@ -606,7 +614,7 @@ public class Shard extends RaftActor { LOG.debug("registerDataChangeListener sending reply, listenerRegistrationPath = {} ", listenerRegistration.path()); - getSender().tell(new RegisterChangeListenerReply(listenerRegistration.path()),getSelf()); + getSender().tell(new RegisterChangeListenerReply(listenerRegistration.path()), getSelf()); } private ListenerRegistration { private static final long serialVersionUID = 1L;