Examples with RegisterChangeListener org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListener used on opensource projects

Example 6 with RegisterChangeListener

use of org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListener in project controller by opendaylight.

the class DataChangeListenerSupportTest method testInitialChangeListenerEventWithContainerPath.

@Test
public void testInitialChangeListenerEventWithContainerPath() throws Exception {
    new ShardTestKit(getSystem()) {

        {
            final TestActorRef<Shard> actor = actorFactory.createTestActor(newShardProps().withDispatcher(Dispatchers.DefaultDispatcherId()), "testInitialChangeListenerEventWithContainerPath");
            waitUntilLeader(actor);
            final Shard shard = actor.underlyingActor();
            writeToStore(shard.getDataStore(), TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
            final MockDataChangeListener listener = new MockDataChangeListener(1);
            final ActorRef dclActor = actorFactory.createActor(DataChangeListener.props(listener, TEST_PATH), "testInitialChangeListenerEventWithContainerPath-DataChangeListener");
            final DataChangeListenerSupport support = new DataChangeListenerSupport(shard);
            support.onMessage(new RegisterChangeListener(TEST_PATH, dclActor, DataChangeScope.ONE, false), true, true);
            listener.waitForChangeEvents(TEST_PATH);
        }
    };
}

Example 7 with RegisterChangeListener

use of org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListener in project controller by opendaylight.

the class Shard method handleNonRaftCommand.

@Override
protected void handleNonRaftCommand(final Object message) {
    try (MessageTracker.Context context = appendEntriesReplyTracker.received(message)) {
        final Optional<Error> maybeError = context.error();
        if (maybeError.isPresent()) {
            LOG.trace("{} : AppendEntriesReply failed to arrive at the expected interval {}", persistenceId(), maybeError.get());
        }
        store.resetTransactionBatch();
        if (message instanceof RequestEnvelope) {
            handleRequestEnvelope((RequestEnvelope) message);
        } else if (MessageAssembler.isHandledMessage(message)) {
            handleRequestAssemblerMessage(message);
        } else if (message instanceof ConnectClientRequest) {
            handleConnectClient((ConnectClientRequest) message);
        } else if (CreateTransaction.isSerializedType(message)) {
            handleCreateTransaction(message);
        } else if (message instanceof BatchedModifications) {
            handleBatchedModifications((BatchedModifications) message);
        } else if (message instanceof ForwardedReadyTransaction) {
            handleForwardedReadyTransaction((ForwardedReadyTransaction) message);
        } else if (message instanceof ReadyLocalTransaction) {
            handleReadyLocalTransaction((ReadyLocalTransaction) message);
        } else if (CanCommitTransaction.isSerializedType(message)) {
            handleCanCommitTransaction(CanCommitTransaction.fromSerializable(message));
        } else if (CommitTransaction.isSerializedType(message)) {
            handleCommitTransaction(CommitTransaction.fromSerializable(message));
        } else if (AbortTransaction.isSerializedType(message)) {
            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) {
            updateSchemaContext((UpdateSchemaContext) message);
        } else if (message instanceof PeerAddressResolved) {
            PeerAddressResolved resolved = (PeerAddressResolved) message;
            setPeerAddress(resolved.getPeerId(), resolved.getPeerAddress());
        } else if (TX_COMMIT_TIMEOUT_CHECK_MESSAGE.equals(message)) {
            commitTimeoutCheck();
        } else if (message instanceof DatastoreContext) {
            onDatastoreContext((DatastoreContext) message);
        } else if (message instanceof RegisterRoleChangeListener) {
            roleChangeNotifier.get().forward(message, context());
        } else if (message instanceof FollowerInitialSyncUpStatus) {
            shardMBean.setFollowerInitialSyncStatus(((FollowerInitialSyncUpStatus) message).isInitialSyncDone());
            context().parent().tell(message, self());
        } else if (GET_SHARD_MBEAN_MESSAGE.equals(message)) {
            sender().tell(getShardMBean(), self());
        } else if (message instanceof GetShardDataTree) {
            sender().tell(store.getDataTree(), self());
        } else if (message instanceof ServerRemoved) {
            context().parent().forward(message, context());
        } else if (ShardTransactionMessageRetrySupport.TIMER_MESSAGE_CLASS.isInstance(message)) {
            messageRetrySupport.onTimerMessage(message);
        } else if (message instanceof DataTreeCohortActorRegistry.CohortRegistryCommand) {
            store.processCohortRegistryCommand(getSender(), (DataTreeCohortActorRegistry.CohortRegistryCommand) message);
        } else if (message instanceof PersistAbortTransactionPayload) {
            final TransactionIdentifier txId = ((PersistAbortTransactionPayload) message).getTransactionId();
            persistPayload(txId, AbortTransactionPayload.create(txId), true);
        } else if (message instanceof MakeLeaderLocal) {
            onMakeLeaderLocal();
        } else if (RESUME_NEXT_PENDING_TRANSACTION.equals(message)) {
            store.resumeNextPendingTransaction();
        } else if (!responseMessageSlicer.handleMessage(message)) {
            super.handleNonRaftCommand(message);
        }
    }
}

Example 8 with RegisterChangeListener

use of org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListener in project controller by opendaylight.

the class DataChangeListenerRegistrationProxy method doRegistration.

private void doRegistration(final ActorRef shard, final YangInstanceIdentifier path, final DataChangeScope scope) {
    Future<Object> future = actorContext.executeOperationAsync(shard, new RegisterChangeListener(path, dataChangeListenerActor, scope, listener instanceof ClusteredDOMDataChangeListener), actorContext.getDatastoreContext().getShardInitializationTimeout());
    future.onComplete(new OnComplete<Object>() {

        @Override
        public void onComplete(final Throwable failure, final Object result) {
            if (failure != null) {
                LOG.error("Failed to register DataChangeListener {} at path {}", listener, path.toString(), failure);
            } else {
                RegisterDataTreeNotificationListenerReply reply = (RegisterDataTreeNotificationListenerReply) result;
                setListenerRegistrationActor(actorContext.actorSelection(reply.getListenerRegistrationPath()));
            }
        }
    }, actorContext.getClientDispatcher());
}

Example 9 with RegisterChangeListener

use of org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListener in project controller by opendaylight.

the class ShardTest method testChangeListenerNotifiedWhenNotTheLeaderOnRegistration.

@SuppressWarnings("serial")
@Test
public void testChangeListenerNotifiedWhenNotTheLeaderOnRegistration() throws Exception {
    // This test tests the timing window in which a change listener is registered before the
    // shard becomes the leader. We verify that the listener is registered and notified of the
    // existing data when the shard becomes the leader.
    // For this test, we want to send the RegisterChangeListener message after the shard
    // has recovered from persistence and before it becomes the leader. So we subclass
    // Shard to override onReceiveCommand and, when the first ElectionTimeout is received,
    // we know that the shard has been initialized to a follower and has started the
    // election process. The following 2 CountDownLatches are used to coordinate the
    // ElectionTimeout with the sending of the RegisterChangeListener message.
    final CountDownLatch onFirstElectionTimeout = new CountDownLatch(1);
    final CountDownLatch onChangeListenerRegistered = new CountDownLatch(1);
    final Creator<Shard> creator = new Creator<Shard>() {

        boolean firstElectionTimeout = true;

        @Override
        public Shard create() throws Exception {
            // it does do a persist)
            return new Shard(newShardBuilder()) {

                @Override
                public void handleCommand(final Object message) {
                    if (message instanceof ElectionTimeout && firstElectionTimeout) {
                        // Got the first ElectionTimeout. We don't forward it to the
                        // base Shard yet until we've sent the RegisterChangeListener
                        // message. So we signal the onFirstElectionTimeout latch to tell
                        // the main thread to send the RegisterChangeListener message and
                        // start a thread to wait on the onChangeListenerRegistered latch,
                        // which the main thread signals after it has sent the message.
                        // After the onChangeListenerRegistered is triggered, we send the
                        // original ElectionTimeout message to proceed with the election.
                        firstElectionTimeout = false;
                        final ActorRef self = getSelf();
                        new Thread(() -> {
                            Uninterruptibles.awaitUninterruptibly(onChangeListenerRegistered, 5, TimeUnit.SECONDS);
                            self.tell(message, self);
                        }).start();
                        onFirstElectionTimeout.countDown();
                    } else {
                        super.handleCommand(message);
                    }
                }
            };
        }
    };
    setupInMemorySnapshotStore();
    final YangInstanceIdentifier path = TestModel.TEST_PATH;
    final MockDataChangeListener listener = new MockDataChangeListener(1);
    final ActorRef dclActor = actorFactory.createActor(DataChangeListener.props(listener, path), "testRegisterChangeListenerWhenNotLeaderInitially-DataChangeListener");
    final TestActorRef<Shard> shard = actorFactory.createTestActor(Props.create(new DelegatingShardCreator(creator)).withDispatcher(Dispatchers.DefaultDispatcherId()), "testRegisterChangeListenerWhenNotLeaderInitially");
    new ShardTestKit(getSystem()) {

        {
            // Wait until the shard receives the first ElectionTimeout
            // message.
            assertEquals("Got first ElectionTimeout", true, onFirstElectionTimeout.await(5, TimeUnit.SECONDS));
            // Now send the RegisterChangeListener and wait for the reply.
            shard.tell(new RegisterChangeListener(path, dclActor, AsyncDataBroker.DataChangeScope.SUBTREE, false), getRef());
            final RegisterDataTreeNotificationListenerReply reply = expectMsgClass(duration("5 seconds"), RegisterDataTreeNotificationListenerReply.class);
            assertNotNull("getListenerRegistrationPath", reply.getListenerRegistrationPath());
            // Sanity check - verify the shard is not the leader yet.
            shard.tell(FindLeader.INSTANCE, getRef());
            final FindLeaderReply findLeadeReply = expectMsgClass(duration("5 seconds"), FindLeaderReply.class);
            assertFalse("Expected the shard not to be the leader", findLeadeReply.getLeaderActor().isPresent());
            // Signal the onChangeListenerRegistered latch to tell the
            // thread above to proceed
            // with the election process.
            onChangeListenerRegistered.countDown();
            // Wait for the shard to become the leader and notify our
            // listener with the existing
            // data in the store.
            listener.waitForChangeEvents(path);
        }
    };
}

Example 10 with RegisterChangeListener

use of org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListener in project controller by opendaylight.

the class ShardTest method testClusteredDataChangeListenerRegistration.

@Test
public void testClusteredDataChangeListenerRegistration() throws Exception {
    new ShardTestKit(getSystem()) {

        {
            final String testName = "testClusteredDataChangeListenerRegistration";
            final ShardIdentifier followerShardID = ShardIdentifier.create("inventory", MemberName.forName(actorFactory.generateActorId(testName + "-follower")), "config");
            final ShardIdentifier leaderShardID = ShardIdentifier.create("inventory", MemberName.forName(actorFactory.generateActorId(testName + "-leader")), "config");
            final TestActorRef<Shard> followerShard = actorFactory.createTestActor(Shard.builder().id(followerShardID).datastoreContext(dataStoreContextBuilder.shardElectionTimeoutFactor(1000).build()).peerAddresses(Collections.singletonMap(leaderShardID.toString(), "akka://test/user/" + leaderShardID.toString())).schemaContextProvider(() -> SCHEMA_CONTEXT).props().withDispatcher(Dispatchers.DefaultDispatcherId()), followerShardID.toString());
            final TestActorRef<Shard> leaderShard = actorFactory.createTestActor(Shard.builder().id(leaderShardID).datastoreContext(newDatastoreContext()).peerAddresses(Collections.singletonMap(followerShardID.toString(), "akka://test/user/" + followerShardID.toString())).schemaContextProvider(() -> SCHEMA_CONTEXT).props().withDispatcher(Dispatchers.DefaultDispatcherId()), leaderShardID.toString());
            leaderShard.tell(TimeoutNow.INSTANCE, ActorRef.noSender());
            final String leaderPath = waitUntilLeader(followerShard);
            assertEquals("Shard leader path", leaderShard.path().toString(), leaderPath);
            final YangInstanceIdentifier path = TestModel.TEST_PATH;
            final MockDataChangeListener listener = new MockDataChangeListener(1);
            final ActorRef dclActor = actorFactory.createActor(DataChangeListener.props(listener, path), actorFactory.generateActorId(testName + "-DataChangeListener"));
            followerShard.tell(new RegisterChangeListener(path, dclActor, AsyncDataBroker.DataChangeScope.BASE, true), getRef());
            final RegisterDataTreeNotificationListenerReply reply = expectMsgClass(duration("5 seconds"), RegisterDataTreeNotificationListenerReply.class);
            assertNotNull("getListenerRegistrationPath", reply.getListenerRegistrationPath());
            writeToStore(followerShard, path, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
            listener.waitForChangeEvents();
        }
    };
}