--- /dev/null
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * 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 akka.actor.Props;
+import akka.actor.UntypedActor;
+import akka.japi.Creator;
+
+public class DataChangeListener extends UntypedActor {
+ @Override public void onReceive(Object message) throws Exception {
+ throw new UnsupportedOperationException("onReceive");
+ }
+
+ public static Props props() {
+ return Props.create(new Creator<DataChangeListener>() {
+ @Override
+ public DataChangeListener create() throws Exception {
+ return new DataChangeListener();
+ }
+
+ });
+
+ }
+}
package org.opendaylight.controller.cluster.datastore;
import akka.actor.ActorRef;
+import akka.actor.ActorSelection;
import akka.actor.ActorSystem;
+import akka.util.Timeout;
+import org.opendaylight.controller.cluster.datastore.messages.FindPrimary;
+import org.opendaylight.controller.cluster.datastore.messages.PrimaryFound;
+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.md.sal.common.api.data.AsyncDataBroker;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
import org.opendaylight.controller.sal.core.spi.data.DOMStore;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+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 scala.concurrent.Await;
+import scala.concurrent.Future;
+import scala.concurrent.duration.Duration;
+import scala.concurrent.duration.FiniteDuration;
+
+import java.util.concurrent.TimeUnit;
+
+import static akka.pattern.Patterns.ask;
/**
*
*/
-public class DistributedDataStore implements DOMStore {
- private final ActorRef shardManager;
-
- public DistributedDataStore(ActorSystem actorSystem, String type) {
- shardManager = actorSystem.actorOf(ShardManager.props(type));
- }
-
- @Override
- public <L extends AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>> ListenerRegistration<L> registerChangeListener(InstanceIdentifier path, L listener, AsyncDataBroker.DataChangeScope scope) {
- return new ListenerRegistrationProxy();
- }
-
- @Override
- public DOMStoreTransactionChain createTransactionChain() {
- return new TransactionChainProxy();
- }
-
- @Override
- public DOMStoreReadTransaction newReadOnlyTransaction() {
- return new TransactionProxy();
- }
-
- @Override
- public DOMStoreWriteTransaction newWriteOnlyTransaction() {
- return new TransactionProxy();
- }
-
- @Override
- public DOMStoreReadWriteTransaction newReadWriteTransaction() {
- return new TransactionProxy();
- }
+public class DistributedDataStore implements DOMStore, SchemaContextListener {
+
+ private static final Logger
+ LOG = LoggerFactory.getLogger(DistributedDataStore.class);
+
+ final FiniteDuration ASK_DURATION = Duration.create(5, TimeUnit.SECONDS);
+ final Duration AWAIT_DURATION = Duration.create(5, TimeUnit.SECONDS);
+
+ private final ActorRef shardManager;
+ private final ActorSystem actorSystem;
+ private final String type;
+
+
+ public DistributedDataStore(ActorSystem actorSystem, String type) {
+ this.actorSystem = actorSystem;
+ this.type = type;
+ shardManager = actorSystem.actorOf(ShardManager.props(type));
+ }
+
+ @Override
+ public <L extends AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>> ListenerRegistration<L> registerChangeListener(
+ InstanceIdentifier path, L listener,
+ AsyncDataBroker.DataChangeScope scope) {
+
+ ActorSelection primary = findPrimary();
+
+ ActorRef dataChangeListenerActor = actorSystem.actorOf(DataChangeListener.props());
+
+ Object result =
+ getResult(primary, new RegisterChangeListener(path, dataChangeListenerActor.path(),
+ AsyncDataBroker.DataChangeScope.BASE), ASK_DURATION);
+
+ RegisterChangeListenerReply reply = (RegisterChangeListenerReply) result;
+ return new ListenerRegistrationProxy(reply.getListenerRegistrationPath());
+ }
+
+ private ActorSelection findPrimary() {
+ Object result = getResult(shardManager, new FindPrimary(Shard.DEFAULT_NAME), ASK_DURATION);
+
+ if(result instanceof PrimaryFound){
+ PrimaryFound found = (PrimaryFound) result;
+ LOG.error("Primary found {}", found.getPrimaryPath());
+
+ return actorSystem.actorSelection(found.getPrimaryPath());
+ }
+ throw new RuntimeException("primary was not found");
+ }
+
+ private Object getResult(ActorRef actor, Object message, FiniteDuration duration){
+ Future<Object> future =
+ ask(actor, message, new Timeout(duration));
+
+ try {
+ return Await.result(future, AWAIT_DURATION);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ private Object getResult(ActorSelection actor, Object message, FiniteDuration duration){
+ Future<Object> future =
+ ask(actor, message, new Timeout(duration));
+
+ try {
+ return Await.result(future, AWAIT_DURATION);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+
+ @Override
+ public DOMStoreTransactionChain createTransactionChain() {
+ return new TransactionChainProxy();
+ }
+
+ @Override
+ public DOMStoreReadTransaction newReadOnlyTransaction() {
+ return new TransactionProxy();
+ }
+
+ @Override
+ public DOMStoreWriteTransaction newWriteOnlyTransaction() {
+ return new TransactionProxy();
+ }
+
+ @Override
+ public DOMStoreReadWriteTransaction newReadWriteTransaction() {
+ return new TransactionProxy();
+ }
+
+ @Override public void onGlobalContextUpdated(SchemaContext schemaContext) {
+ shardManager.tell(new UpdateSchemaContext(schemaContext), null);
+ }
}
--- /dev/null
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * 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 akka.actor.ActorSelection;
+import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
+import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+
+public class ListenerProxy implements AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>{
+ private final ActorSelection listenerRegistrationActor;
+
+ public ListenerProxy(ActorSelection listenerRegistrationActor) {
+ this.listenerRegistrationActor = listenerRegistrationActor;
+ }
+
+ @Override public void onDataChanged(
+ AsyncDataChangeEvent<InstanceIdentifier, NormalizedNode<?, ?>> change) {
+ throw new UnsupportedOperationException("onDataChanged");
+ }
+}
package org.opendaylight.controller.cluster.datastore;
+import akka.actor.ActorPath;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
/**
* The ListenerRegistrationProxy talks to a remote ListenerRegistration actor.
*/
public class ListenerRegistrationProxy implements ListenerRegistration {
+ private final ActorPath listenerRegistrationPath;
+
+ public ListenerRegistrationProxy(ActorPath listenerRegistrationPath) {
+
+ this.listenerRegistrationPath = listenerRegistrationPath;
+ }
+
@Override
public Object getInstance() {
throw new UnsupportedOperationException("getInstance");
package org.opendaylight.controller.cluster.datastore;
import akka.actor.ActorRef;
+import akka.actor.ActorSelection;
import akka.actor.Props;
import akka.event.Logging;
import akka.event.LoggingAdapter;
*/
public class Shard extends UntypedProcessor {
- public static final String DEFAULT_NAME = "default";
+ public static final String DEFAULT_NAME = "default";
- private final ListeningExecutorService storeExecutor = MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(2));
+ private final ListeningExecutorService storeExecutor =
+ MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(2));
- private final InMemoryDOMDataStore store;
+ private final InMemoryDOMDataStore store;
- private final Map<Modification, DOMStoreThreePhaseCommitCohort> modificationToCohort = new HashMap<>();
+ private final Map<Modification, DOMStoreThreePhaseCommitCohort>
+ modificationToCohort = new HashMap<>();
- private final LoggingAdapter log = Logging.getLogger(getContext().system(), this);
+ private final LoggingAdapter log =
+ Logging.getLogger(getContext().system(), this);
- private Shard(String name){
- store = new InMemoryDOMDataStore(name, storeExecutor);
- }
-
- public static Props props(final String name) {
- return Props.create(new Creator<Shard>() {
+ private Shard(String name) {
+ store = new InMemoryDOMDataStore(name, storeExecutor);
+ }
- @Override
- public Shard create() throws Exception {
- return new Shard(name);
- }
+ public static Props props(final String name) {
+ return Props.create(new Creator<Shard>() {
- });
- }
+ @Override
+ public Shard create() throws Exception {
+ return new Shard(name);
+ }
- @Override
- public void onReceive(Object message) throws Exception {
- if (message instanceof CreateTransactionChain) {
- createTransactionChain();
- } else if (message instanceof RegisterChangeListener) {
- registerChangeListener((RegisterChangeListener) 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);
+ });
}
- }
-
- private void commit(Persistent message) {
- Modification modification = (Modification) message.payload();
- DOMStoreThreePhaseCommitCohort cohort = modificationToCohort.remove(modification);
- if(cohort == null){
- log.error("Could not find cohort for modification : " + modification);
- return;
+
+ @Override
+ public void onReceive(Object message) throws Exception {
+ if (message instanceof CreateTransactionChain) {
+ createTransactionChain();
+ } else if (message instanceof RegisterChangeListener) {
+ registerChangeListener((RegisterChangeListener) 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);
+ }
}
- final ListenableFuture<Void> future = cohort.commit();
- final ActorRef sender = getSender();
- final ActorRef self = getSelf();
- future.addListener(new Runnable() {
- @Override
- public void run() {
- try {
- future.get();
- sender.tell(new CommitTransactionReply(), self);
- } catch (InterruptedException | ExecutionException e) {
- log.error(e, "An exception happened when committing");
+
+ private void commit(Persistent message) {
+ Modification modification = (Modification) message.payload();
+ DOMStoreThreePhaseCommitCohort cohort =
+ modificationToCohort.remove(modification);
+ if (cohort == null) {
+ log.error(
+ "Could not find cohort for modification : " + modification);
+ return;
}
- }
- }, getContext().dispatcher());
- }
-
- private void handleForwardedCommit(ForwardedCommitTransaction message) {
- log.info("received forwarded transaction");
- modificationToCohort.put(message.getModification(), message.getCohort());
- getSelf().forward(Persistent.create(message.getModification()), getContext());
- }
-
- private void updateSchemaContext(UpdateSchemaContext message) {
- store.onGlobalContextUpdated(message.getSchemaContext());
- }
-
- private void registerChangeListener(RegisterChangeListener registerChangeListener) {
- org.opendaylight.yangtools.concepts.ListenerRegistration<AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>> registration =
- store.registerChangeListener(registerChangeListener.getPath(), registerChangeListener.getListener(), registerChangeListener.getScope());
- ActorRef listenerRegistration = getContext().actorOf(ListenerRegistration.props(registration));
- getSender().tell(new RegisterChangeListenerReply(listenerRegistration.path()), getSelf());
- }
-
- private void createTransactionChain() {
- DOMStoreTransactionChain chain = store.createTransactionChain();
- ActorRef transactionChain = getContext().actorOf(ShardTransactionChain.props(chain));
- getSender().tell(new CreateTransactionChainReply(transactionChain.path()), getSelf());
- }
+ final ListenableFuture<Void> future = cohort.commit();
+ final ActorRef sender = getSender();
+ final ActorRef self = getSelf();
+ future.addListener(new Runnable() {
+ @Override
+ public void run() {
+ try {
+ future.get();
+ sender.tell(new CommitTransactionReply(), self);
+ } catch (InterruptedException | ExecutionException e) {
+ log.error(e, "An exception happened when committing");
+ }
+ }
+ }, getContext().dispatcher());
+ }
+
+ private void handleForwardedCommit(ForwardedCommitTransaction message) {
+ log.info("received forwarded transaction");
+ modificationToCohort
+ .put(message.getModification(), message.getCohort());
+ getSelf().forward(Persistent.create(message.getModification()),
+ getContext());
+ }
+
+ private void updateSchemaContext(UpdateSchemaContext message) {
+ store.onGlobalContextUpdated(message.getSchemaContext());
+ }
+
+ private void registerChangeListener(
+ RegisterChangeListener registerChangeListener) {
+
+ ActorSelection listenerRegistrationActor = getContext()
+ .system().actorSelection(registerChangeListener.getDataChangeListenerPath());
+
+ AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>
+ listener = new ListenerProxy(listenerRegistrationActor);
+
+ org.opendaylight.yangtools.concepts.ListenerRegistration<AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>>
+ registration =
+ store.registerChangeListener(registerChangeListener.getPath(),
+ listener, registerChangeListener.getScope());
+ ActorRef listenerRegistration =
+ getContext().actorOf(ListenerRegistration.props(registration));
+ getSender()
+ .tell(new RegisterChangeListenerReply(listenerRegistration.path()),
+ getSelf());
+ }
+
+ private void createTransactionChain() {
+ DOMStoreTransactionChain chain = store.createTransactionChain();
+ ActorRef transactionChain =
+ getContext().actorOf(ShardTransactionChain.props(chain));
+ getSender()
+ .tell(new CreateTransactionChainReply(transactionChain.path()),
+ getSelf());
+ }
}
import org.opendaylight.controller.cluster.datastore.messages.FindPrimary;
import org.opendaylight.controller.cluster.datastore.messages.PrimaryFound;
import org.opendaylight.controller.cluster.datastore.messages.PrimaryNotFound;
+import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
import java.util.HashMap;
import java.util.List;
} else {
getSender().tell(new PrimaryNotFound(shardName), getSelf());
}
+ } else if(message instanceof UpdateSchemaContext){
+ // FIXME : Notify all local shards of a context change
+ getContext().system().actorSelection(defaultShardPath).forward(message, getContext());
}
}
package org.opendaylight.controller.cluster.datastore.messages;
+import akka.actor.ActorPath;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
-import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
public class RegisterChangeListener {
- private final InstanceIdentifier path;
- private final AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>> listener;
- private final AsyncDataBroker.DataChangeScope scope;
+ private final InstanceIdentifier path;
+ private final ActorPath dataChangeListenerPath;
+ private final AsyncDataBroker.DataChangeScope scope;
- public RegisterChangeListener(InstanceIdentifier path, AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>> listener, AsyncDataBroker.DataChangeScope scope) {
- this.path = path;
- this.listener = listener;
- this.scope = scope;
- }
+ public RegisterChangeListener(InstanceIdentifier path,
+ ActorPath dataChangeListenerPath,
+ AsyncDataBroker.DataChangeScope scope) {
+ this.path = path;
+ this.dataChangeListenerPath = dataChangeListenerPath;
+ this.scope = scope;
+ }
- public InstanceIdentifier getPath() {
- return path;
- }
+ public InstanceIdentifier getPath() {
+ return path;
+ }
- public AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>> getListener() {
- return listener;
- }
- public AsyncDataBroker.DataChangeScope getScope() {
- return scope;
- }
+ public AsyncDataBroker.DataChangeScope getScope() {
+ return scope;
+ }
+
+ public ActorPath getDataChangeListenerPath() {
+ return dataChangeListenerPath;
+ }
}
package org.opendaylight.controller.cluster.datastore;
import junit.framework.Assert;
+import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
@org.junit.Before
public void setUp() throws Exception {
distributedDataStore = new DistributedDataStore(getSystem(), "config");
+ distributedDataStore.onGlobalContextUpdated(TestModel.createTestContext());
}
@org.junit.After
@org.junit.Test
public void testRegisterChangeListener() throws Exception {
ListenerRegistration registration =
- distributedDataStore.registerChangeListener(InstanceIdentifier.builder().build(), new AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>() {
+ distributedDataStore.registerChangeListener(TestModel.TEST_PATH, new AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>() {
@Override
public void onDataChanged(AsyncDataChangeEvent<InstanceIdentifier, NormalizedNode<?, ?>> change) {
throw new UnsupportedOperationException("onDataChanged");
subject.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
- subject.tell(new RegisterChangeListener(InstanceIdentifier.builder().build(), noOpDataChangeListener() , AsyncDataBroker.DataChangeScope.BASE), getRef());
+ subject.tell(new RegisterChangeListener(TestModel.TEST_PATH, getRef().path() , AsyncDataBroker.DataChangeScope.BASE), getRef());
final String out = new ExpectMsg<String>("match hint") {
// do not put code outside this method, will run afterwards
}
};
}
-}
\ No newline at end of file
+}
Code Review / controller.git / commitdiff