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=999d0f8bafca9639baa70ea7c893656f87704ae7;hp=5b4f7ef8989711dffdf4cdd8fbe7d483165f23a7;hb=c46e223995956f1f759c551163c212947c1e2fb7;hpb=e55942fd1fcc4748197146b81f7497256de22a94 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 5b4f7ef898..999d0f8baf 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 @@ -14,25 +14,33 @@ import akka.actor.Props; import akka.event.Logging; import akka.event.LoggingAdapter; import akka.japi.Creator; -import akka.persistence.Persistent; -import akka.persistence.UntypedProcessor; +import akka.serialization.Serialization; import com.google.common.util.concurrent.ListenableFuture; import com.google.common.util.concurrent.ListeningExecutorService; import com.google.common.util.concurrent.MoreExecutors; +import org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard.ShardMBeanFactory; +import org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard.ShardStats; import org.opendaylight.controller.cluster.datastore.messages.CommitTransactionReply; +import org.opendaylight.controller.cluster.datastore.messages.CreateTransaction; import org.opendaylight.controller.cluster.datastore.messages.CreateTransactionChain; import org.opendaylight.controller.cluster.datastore.messages.CreateTransactionChainReply; +import org.opendaylight.controller.cluster.datastore.messages.CreateTransactionReply; import org.opendaylight.controller.cluster.datastore.messages.ForwardedCommitTransaction; +import org.opendaylight.controller.cluster.datastore.messages.PeerAddressResolved; import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListener; import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListenerReply; import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext; import org.opendaylight.controller.cluster.datastore.modification.Modification; +import org.opendaylight.controller.cluster.datastore.modification.MutableCompositeModification; +import org.opendaylight.controller.cluster.raft.RaftActor; import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener; import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStore; +import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction; import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort; import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain; -import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier; +import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier; import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode; +import org.opendaylight.yangtools.yang.model.api.SchemaContext; import java.util.HashMap; import java.util.Map; @@ -45,7 +53,7 @@ import java.util.concurrent.Executors; * Our Shard uses InMemoryDataStore as it's internal representation and delegates all requests it *

*/ -public class Shard extends UntypedProcessor { +public class Shard extends RaftActor { public static final String DEFAULT_NAME = "default"; @@ -54,105 +62,208 @@ public class Shard extends UntypedProcessor { private final InMemoryDOMDataStore store; - private final Map + private final Map modificationToCohort = new HashMap<>(); - private final LoggingAdapter log = + private final LoggingAdapter LOG = Logging.getLogger(getContext().system(), this); - private Shard(String name) { + // By default persistent will be true and can be turned off using the system + // property persistent + private final boolean persistent; + + private final String name; + + private SchemaContext schemaContext; + + private final ShardStats shardMBean; + + private Shard(String name, Map peerAddresses) { + super(name, peerAddresses); + + this.name = name; + + String setting = System.getProperty("shard.persistent"); + + this.persistent = !"false".equals(setting); + + LOG.info("Creating shard : {} persistent : {}", name, persistent); + store = new InMemoryDOMDataStore(name, storeExecutor); + + shardMBean = ShardMBeanFactory.getShardStatsMBean(name); + } - public static Props props(final String name) { + public static Props props(final String name, final Map peerAddresses) { return Props.create(new Creator() { @Override public Shard create() throws Exception { - return new Shard(name); + return new Shard(name, peerAddresses); } }); } - @Override - public void onReceive(Object message) throws Exception { - if (message instanceof CreateTransactionChain) { - createTransactionChain(); - } else if (message instanceof RegisterChangeListener) { - registerChangeListener((RegisterChangeListener) message); + + @Override public void onReceiveCommand(Object message){ + LOG.debug("Received message {} from {}", message.getClass().toString(), getSender()); + + if (message.getClass().equals(CreateTransactionChain.SERIALIZABLE_CLASS)) { + if(isLeader()) { + createTransactionChain(); + } else if(getLeader() != null){ + getLeader().forward(message, getContext()); + } + } else if (message.getClass().equals(RegisterChangeListener.SERIALIZABLE_CLASS)) { + registerChangeListener(RegisterChangeListener.fromSerializable(getContext().system(), message)); } else if (message instanceof UpdateSchemaContext) { updateSchemaContext((UpdateSchemaContext) message); } else if (message instanceof ForwardedCommitTransaction) { handleForwardedCommit((ForwardedCommitTransaction) message); - } else if (message instanceof Persistent) { - commit((Persistent) message); + } else if (message.getClass().equals(CreateTransaction.SERIALIZABLE_CLASS)) { + if(isLeader()) { + createTransaction(CreateTransaction.fromSerializable(message)); + } else if(getLeader() != null){ + getLeader().forward(message, getContext()); + } + } else if (message instanceof PeerAddressResolved){ + PeerAddressResolved resolved = (PeerAddressResolved) message; + setPeerAddress(resolved.getPeerId(), resolved.getPeerAddress()); + } else { + super.onReceiveCommand(message); } } - private void commit(Persistent message) { - Modification modification = (Modification) message.payload(); + private void createTransaction(CreateTransaction createTransaction) { + DOMStoreReadWriteTransaction transaction = + store.newReadWriteTransaction(); + String transactionId = "shard-" + createTransaction.getTransactionId(); + LOG.info("Creating transaction : {} " , transactionId); + ActorRef transactionActor = getContext().actorOf( + ShardTransaction.props(transaction, getSelf(), schemaContext), transactionId); + + getSender() + .tell(new CreateTransactionReply(Serialization.serializedActorPath(transactionActor), createTransaction.getTransactionId()).toSerializable(), + getSelf()); + } + + private void commit(final ActorRef sender, Object serialized) { + Modification modification = MutableCompositeModification.fromSerializable(serialized, schemaContext); DOMStoreThreePhaseCommitCohort cohort = - modificationToCohort.remove(modification); + modificationToCohort.remove(serialized); if (cohort == null) { - log.error( + LOG.error( "Could not find cohort for modification : " + modification); + LOG.info("Writing modification using a new transaction"); + modification.apply(store.newReadWriteTransaction()); return; } + final ListenableFuture future = cohort.commit(); - final ActorRef sender = getSender(); + shardMBean.incrementCommittedTransactionCount(); final ActorRef self = getSelf(); future.addListener(new Runnable() { @Override public void run() { try { future.get(); - sender.tell(new CommitTransactionReply(), self); + + if(sender != null) { + sender + .tell(new CommitTransactionReply().toSerializable(), + self); + } else { + LOG.error("sender is null ???"); + } } catch (InterruptedException | ExecutionException e) { - log.error(e, "An exception happened when committing"); + // FIXME : Handle this properly + LOG.error(e, "An exception happened when committing"); } } }, getContext().dispatcher()); } private void handleForwardedCommit(ForwardedCommitTransaction message) { - log.info("received forwarded transaction"); + Object serializedModification = message.getModification().toSerializable(); + modificationToCohort - .put(message.getModification(), message.getCohort()); - getSelf().forward(Persistent.create(message.getModification()), - getContext()); + .put(serializedModification , message.getCohort()); + + if(persistent) { + this.persistData(getSender(), "identifier", new CompositeModificationPayload(serializedModification)); + } else { + this.commit(getSender(), serializedModification); + } } private void updateSchemaContext(UpdateSchemaContext message) { + this.schemaContext = message.getSchemaContext(); store.onGlobalContextUpdated(message.getSchemaContext()); } private void registerChangeListener( RegisterChangeListener registerChangeListener) { - ActorSelection listenerRegistrationActor = getContext() - .system().actorSelection(registerChangeListener.getDataChangeListenerPath()); + LOG.debug("registerDataChangeListener for " + registerChangeListener.getPath()); - AsyncDataChangeListener> - listener = new ListenerProxy(listenerRegistrationActor); - org.opendaylight.yangtools.concepts.ListenerRegistration>> + ActorSelection dataChangeListenerPath = getContext() + .system().actorSelection( + registerChangeListener.getDataChangeListenerPath()); + + AsyncDataChangeListener> + listener = new DataChangeListenerProxy(schemaContext,dataChangeListenerPath); + + org.opendaylight.yangtools.concepts.ListenerRegistration>> registration = store.registerChangeListener(registerChangeListener.getPath(), listener, registerChangeListener.getScope()); ActorRef listenerRegistration = - getContext().actorOf(ListenerRegistration.props(registration)); + getContext().actorOf( + DataChangeListenerRegistration.props(registration)); + + LOG.debug("registerDataChangeListener sending reply, listenerRegistrationPath = " + listenerRegistration.path().toString()); + getSender() - .tell(new RegisterChangeListenerReply(listenerRegistration.path()), + .tell(new RegisterChangeListenerReply(listenerRegistration.path()).toSerializable(), getSelf()); } private void createTransactionChain() { DOMStoreTransactionChain chain = store.createTransactionChain(); ActorRef transactionChain = - getContext().actorOf(ShardTransactionChain.props(chain)); + getContext().actorOf( + ShardTransactionChain.props(chain, schemaContext)); getSender() - .tell(new CreateTransactionChainReply(transactionChain.path()), + .tell(new CreateTransactionChainReply(transactionChain.path()) + .toSerializable(), getSelf()); } + + @Override protected void applyState(ActorRef clientActor, String identifier, + Object data) { + + if(data instanceof CompositeModificationPayload){ + Object modification = + ((CompositeModificationPayload) data).getModification(); + commit(clientActor, modification); + } else { + LOG.error("Unknown state received {}", data); + } + + } + + @Override protected Object createSnapshot() { + throw new UnsupportedOperationException("createSnapshot"); + } + + @Override protected void applySnapshot(Object snapshot) { + throw new UnsupportedOperationException("applySnapshot"); + } + + @Override public String persistenceId() { + return this.name; + } }