public ConnectionEntry createConnectionEntry(
final Acceptor acceptorUsed, final Connection connection) {
final Configuration config = server.getConfiguration();
Executor connectionExecutor = server.getExecutorFactory().getExecutor();
final CoreRemotingConnection rc =
new RemotingConnectionImpl(
connection,
interceptors,
config.isAsyncConnectionExecutionEnabled() ? connectionExecutor : null,
server.getNodeID());
Channel channel1 = rc.getChannel(CHANNEL_ID.SESSION.id, -1);
ChannelHandler handler = new HornetQPacketHandler(this, server, channel1, rc);
channel1.setHandler(handler);
long ttl = HornetQClient.DEFAULT_CONNECTION_TTL;
if (config.getConnectionTTLOverride() != -1) {
ttl = config.getConnectionTTLOverride();
}
final ConnectionEntry entry =
new ConnectionEntry(rc, connectionExecutor, System.currentTimeMillis(), ttl);
final Channel channel0 = rc.getChannel(0, -1);
channel0.setHandler(new LocalChannelHandler(config, entry, channel0, acceptorUsed, rc));
return entry;
}
@Test
public void testSendPackets() throws Exception {
setupServer(true);
StorageManager storage = getStorage();
manager = liveServer.getReplicationManager();
waitForComponent(manager);
Journal replicatedJournal = new ReplicatedJournal((byte) 1, new FakeJournal(), manager);
replicatedJournal.appendPrepareRecord(1, new FakeData(), false);
replicatedJournal.appendAddRecord(1, (byte) 1, new FakeData(), false);
replicatedJournal.appendUpdateRecord(1, (byte) 2, new FakeData(), false);
replicatedJournal.appendDeleteRecord(1, false);
replicatedJournal.appendAddRecordTransactional(2, 2, (byte) 1, new FakeData());
replicatedJournal.appendUpdateRecordTransactional(2, 2, (byte) 2, new FakeData());
replicatedJournal.appendCommitRecord(2, false);
replicatedJournal.appendDeleteRecordTransactional(3, 4, new FakeData());
replicatedJournal.appendPrepareRecord(3, new FakeData(), false);
replicatedJournal.appendRollbackRecord(3, false);
blockOnReplication(storage, manager);
Assert.assertTrue(
"Expecting no active tokens:" + manager.getActiveTokens(),
manager.getActiveTokens().isEmpty());
ServerMessage msg = new ServerMessageImpl(1, 1024);
SimpleString dummy = new SimpleString("dummy");
msg.setAddress(dummy);
replicatedJournal.appendAddRecordTransactional(23, 24, (byte) 1, new FakeData());
PagedMessage pgmsg = new PagedMessageImpl(msg, new long[0]);
manager.pageWrite(pgmsg, 1);
manager.pageWrite(pgmsg, 2);
manager.pageWrite(pgmsg, 3);
manager.pageWrite(pgmsg, 4);
blockOnReplication(storage, manager);
PagingManager pagingManager =
createPageManager(
backupServer.getStorageManager(), backupServer.getConfiguration(),
backupServer.getExecutorFactory(), backupServer.getAddressSettingsRepository());
PagingStore store = pagingManager.getPageStore(dummy);
store.start();
Assert.assertEquals(4, store.getNumberOfPages());
store.stop();
manager.pageDeleted(dummy, 1);
manager.pageDeleted(dummy, 2);
manager.pageDeleted(dummy, 3);
manager.pageDeleted(dummy, 4);
manager.pageDeleted(dummy, 5);
manager.pageDeleted(dummy, 6);
blockOnReplication(storage, manager);
ServerMessageImpl serverMsg = new ServerMessageImpl();
serverMsg.setMessageID(500);
serverMsg.setAddress(new SimpleString("tttt"));
HornetQBuffer buffer = HornetQBuffers.dynamicBuffer(100);
serverMsg.encodeHeadersAndProperties(buffer);
manager.largeMessageBegin(500);
manager.largeMessageWrite(500, new byte[1024]);
manager.largeMessageDelete(Long.valueOf(500));
blockOnReplication(storage, manager);
store.start();
Assert.assertEquals(0, store.getNumberOfPages());
}
/**
* This would recreate the scenario where a queue was duplicated
*
* @throws Exception
*/
@Test
public void testHangDuplicateQueues() throws Exception {
final Semaphore blocked = new Semaphore(1);
final CountDownLatch latchDelete = new CountDownLatch(1);
class MyQueueWithBlocking extends QueueImpl {
/**
* @param id
* @param address
* @param name
* @param filter
* @param pageSubscription
* @param durable
* @param temporary
* @param scheduledExecutor
* @param postOffice
* @param storageManager
* @param addressSettingsRepository
* @param executor
*/
public MyQueueWithBlocking(
final long id,
final SimpleString address,
final SimpleString name,
final Filter filter,
final PageSubscription pageSubscription,
final boolean durable,
final boolean temporary,
final ScheduledExecutorService scheduledExecutor,
final PostOffice postOffice,
final StorageManager storageManager,
final HierarchicalRepository<AddressSettings> addressSettingsRepository,
final Executor executor) {
super(
id,
address,
name,
filter,
pageSubscription,
durable,
temporary,
scheduledExecutor,
postOffice,
storageManager,
addressSettingsRepository,
executor);
}
@Override
public synchronized int deleteMatchingReferences(final int flushLimit, final Filter filter)
throws Exception {
latchDelete.countDown();
blocked.acquire();
blocked.release();
return super.deleteMatchingReferences(flushLimit, filter);
}
}
class LocalFactory extends QueueFactoryImpl {
public LocalFactory(
final ExecutorFactory executorFactory,
final ScheduledExecutorService scheduledExecutor,
final HierarchicalRepository<AddressSettings> addressSettingsRepository,
final StorageManager storageManager) {
super(executorFactory, scheduledExecutor, addressSettingsRepository, storageManager);
}
@Override
public Queue createQueue(
final long persistenceID,
final SimpleString address,
final SimpleString name,
final Filter filter,
final PageSubscription pageSubscription,
final boolean durable,
final boolean temporary) {
queue =
new MyQueueWithBlocking(
persistenceID,
address,
name,
filter,
pageSubscription,
durable,
temporary,
scheduledExecutor,
postOffice,
storageManager,
addressSettingsRepository,
executorFactory.getExecutor());
return queue;
}
}
LocalFactory queueFactory =
new LocalFactory(
server.getExecutorFactory(),
server.getScheduledPool(),
server.getAddressSettingsRepository(),
server.getStorageManager());
queueFactory.setPostOffice(server.getPostOffice());
((HornetQServerImpl) server).replaceQueueFactory(queueFactory);
queue = server.createQueue(QUEUE, QUEUE, null, true, false);
blocked.acquire();
ClientSessionFactory factory = locator.createSessionFactory();
ClientSession session = factory.createSession(false, false, false);
ClientProducer producer = session.createProducer(QUEUE);
producer.send(session.createMessage(true));
session.commit();
Thread tDelete =
new Thread() {
@Override
public void run() {
try {
server.destroyQueue(QUEUE);
} catch (Exception e) {
e.printStackTrace();
}
}
};
tDelete.start();
Assert.assertTrue(latchDelete.await(10, TimeUnit.SECONDS));
try {
server.createQueue(QUEUE, QUEUE, null, true, false);
} catch (Exception expected) {
}
blocked.release();
server.stop();
tDelete.join();
session.close();
// a duplicate binding would impede the server from starting
server.start();
waitForServer(server);
server.stop();
}
private synchronized void activate() throws Exception {
if (!started) {
return;
}
if (HornetQServerLogger.LOGGER.isDebugEnabled()) {
HornetQServerLogger.LOGGER.debug(
"Activating cluster connection nodeID="
+ nodeManager.getNodeId()
+ " for server="
+ this.server);
}
liveNotifier = new LiveNotifier();
liveNotifier.updateAsLive();
liveNotifier.schedule();
serverLocator = clusterConnector.createServerLocator();
if (serverLocator != null) {
if (!useDuplicateDetection) {
HornetQServerLogger.LOGGER.debug(
"DuplicateDetection is disabled, sending clustered messages blocked");
}
final TopologyMember currentMember = topology.getMember(manager.getNodeId());
if (currentMember == null) {
// sanity check only
throw new IllegalStateException(
"InternalError! The ClusterConnection doesn't know about its own node = " + this);
}
serverLocator.setNodeID(nodeManager.getNodeId().toString());
serverLocator.setIdentity("(main-ClusterConnection::" + server.toString() + ")");
serverLocator.setReconnectAttempts(0);
serverLocator.setClusterConnection(true);
serverLocator.setClusterTransportConfiguration(connector);
serverLocator.setInitialConnectAttempts(-1);
serverLocator.setClientFailureCheckPeriod(clientFailureCheckPeriod);
serverLocator.setConnectionTTL(connectionTTL);
serverLocator.setConfirmationWindowSize(confirmationWindowSize);
// if not using duplicate detection, we will send blocked
serverLocator.setBlockOnDurableSend(!useDuplicateDetection);
serverLocator.setBlockOnNonDurableSend(!useDuplicateDetection);
serverLocator.setCallTimeout(callTimeout);
serverLocator.setCallFailoverTimeout(callFailoverTimeout);
// No producer flow control on the bridges, as we don't want to lock the queues
serverLocator.setProducerWindowSize(-1);
if (retryInterval > 0) {
this.serverLocator.setRetryInterval(retryInterval);
}
addClusterTopologyListener(this);
serverLocator.setAfterConnectionInternalListener(this);
serverLocator.start(server.getExecutorFactory().getExecutor());
}
if (managementService != null) {
TypedProperties props = new TypedProperties();
props.putSimpleStringProperty(new SimpleString("name"), name);
Notification notification =
new Notification(
nodeManager.getNodeId().toString(),
NotificationType.CLUSTER_CONNECTION_STARTED,
props);
HornetQServerLogger.LOGGER.debug("sending notification: " + notification);
managementService.sendNotification(notification);
}
}
