package org.opendaylight.controller.cluster.datastore;
-import java.util.concurrent.TimeUnit;
-
import akka.actor.ActorRef;
import akka.actor.ActorSystem;
-
+import akka.dispatch.OnComplete;
+import akka.util.Timeout;
+import com.google.common.base.Optional;
+import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Preconditions;
-
import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListener;
import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListenerReply;
import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
-import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStoreConfigProperties;
import org.opendaylight.controller.sal.core.spi.data.DOMStore;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
import org.opendaylight.yangtools.yang.model.api.SchemaContextListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-
-import scala.concurrent.duration.Duration;
+import scala.concurrent.Future;
/**
*
public class DistributedDataStore implements DOMStore, SchemaContextListener, AutoCloseable {
private static final Logger LOG = LoggerFactory.getLogger(DistributedDataStore.class);
+ public static final int REGISTER_DATA_CHANGE_LISTENER_TIMEOUT_FACTOR = 24; // 24 times the usual operation timeout
private final ActorContext actorContext;
- private final DatastoreContext datastoreContext;
public DistributedDataStore(ActorSystem actorSystem, String type, ClusterWrapper cluster,
- Configuration configuration, DistributedDataStoreProperties dataStoreProperties) {
+ Configuration configuration, DatastoreContext datastoreContext) {
Preconditions.checkNotNull(actorSystem, "actorSystem should not be null");
Preconditions.checkNotNull(type, "type should not be null");
Preconditions.checkNotNull(cluster, "cluster should not be null");
Preconditions.checkNotNull(configuration, "configuration should not be null");
-
+ Preconditions.checkNotNull(datastoreContext, "datastoreContext should not be null");
String shardManagerId = ShardManagerIdentifier.builder().type(type).build().toString();
LOG.info("Creating ShardManager : {}", shardManagerId);
- datastoreContext = new DatastoreContext(InMemoryDOMDataStoreConfigProperties.create(
- dataStoreProperties.getMaxShardDataChangeExecutorPoolSize(),
- dataStoreProperties.getMaxShardDataChangeExecutorQueueSize(),
- dataStoreProperties.getMaxShardDataChangeListenerQueueSize()),
- Duration.create(dataStoreProperties.getShardTransactionIdleTimeoutInMinutes(),
- TimeUnit.MINUTES));
-
- actorContext
- = new ActorContext(
- actorSystem, actorSystem.actorOf(
- ShardManager.props(type, cluster, configuration, datastoreContext).
- withMailbox(ActorContext.MAILBOX), shardManagerId ), cluster, configuration);
+ actorContext = new ActorContext(actorSystem, actorSystem.actorOf(
+ ShardManager.props(type, cluster, configuration, datastoreContext)
+ .withMailbox(ActorContext.MAILBOX), shardManagerId ), cluster, configuration);
+
+ actorContext.setOperationTimeout(datastoreContext.getOperationTimeoutInSeconds());
}
public DistributedDataStore(ActorContext actorContext) {
this.actorContext = Preconditions.checkNotNull(actorContext, "actorContext should not be null");
- this.datastoreContext = new DatastoreContext();
}
-
@SuppressWarnings("unchecked")
@Override
public <L extends AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>>>
ListenerRegistration<L> registerChangeListener(
- YangInstanceIdentifier path, L listener,
+ final YangInstanceIdentifier path, L listener,
AsyncDataBroker.DataChangeScope scope) {
Preconditions.checkNotNull(path, "path should not be null");
LOG.debug("Registering listener: {} for path: {} scope: {}", listener, path, scope);
- ActorRef dataChangeListenerActor = actorContext.getActorSystem().actorOf(
- DataChangeListener.props(listener ));
-
String shardName = ShardStrategyFactory.getStrategy(path).findShard(path);
- Object result = actorContext.executeLocalShardOperation(shardName,
- new RegisterChangeListener(path, dataChangeListenerActor.path(), scope),
- ActorContext.ASK_DURATION);
+ Optional<ActorRef> shard = actorContext.findLocalShard(shardName);
- if (result != null) {
- RegisterChangeListenerReply reply = (RegisterChangeListenerReply) result;
- return new DataChangeListenerRegistrationProxy(actorContext
- .actorSelection(reply.getListenerRegistrationPath()), listener,
- dataChangeListenerActor);
+ //if shard is NOT local
+ if (!shard.isPresent()) {
+ LOG.debug("No local shard for shardName {} was found so returning a noop registration", shardName);
+ return new NoOpDataChangeListenerRegistration(listener);
}
+ //if shard is local
+ ActorRef dataChangeListenerActor = actorContext.getActorSystem().actorOf(DataChangeListener.props(listener));
+ Future future = actorContext.executeOperationAsync(shard.get(),
+ new RegisterChangeListener(path, dataChangeListenerActor.path(), scope),
+ new Timeout(actorContext.getOperationDuration().$times(REGISTER_DATA_CHANGE_LISTENER_TIMEOUT_FACTOR)));
+
+ final DataChangeListenerRegistrationProxy listenerRegistrationProxy =
+ new DataChangeListenerRegistrationProxy(listener, dataChangeListenerActor);
+
+ future.onComplete(new OnComplete() {
+
+ @Override
+ public void onComplete(Throwable failure, Object result)
+ throws Throwable {
+ if (failure != null) {
+ LOG.error("Failed to register listener at path " + path.toString(), failure);
+ return;
+ }
+ RegisterChangeListenerReply reply = (RegisterChangeListenerReply) result;
+ listenerRegistrationProxy.setListenerRegistrationActor(actorContext
+ .actorSelection(reply.getListenerRegistrationPath()));
+ }
+ }, actorContext.getActorSystem().dispatcher());
+
+ return listenerRegistrationProxy;
- LOG.debug(
- "No local shard for shardName {} was found so returning a noop registration",
- shardName);
-
- return new NoOpDataChangeListenerRegistration(listener);
}
@Override
public void close() throws Exception {
actorContext.shutdown();
}
+
+ @VisibleForTesting
+ ActorContext getActorContext() {
+ return actorContext;
+ }
}
Code Review / controller.git / blobdiff