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https://issues.apache.org/jira/browse/AMQ-4731 

Initial fix for this issue.  Uses a separate collection to track the
creation time of the consumers, might want to test just using a
ConcurrentLinkedQueue since that will stay in creation or naturally
although the remove operations could cost more..
This commit is contained in:
Timothy Bish 2013-09-20 16:50:20 -04:00
parent 062adbbe72
commit 2142045953
2 changed files with 88 additions and 26 deletions
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76
activemq-broker/src/main/java/org/apache/activemq/advisory/AdvisoryBroker.java
View File

@ -34,7 +34,21 @@ import org.apache.activemq.broker.region.RegionBroker;
import org.apache.activemq.broker.region.Subscription;
import org.apache.activemq.broker.region.TopicRegion;
import org.apache.activemq.broker.region.TopicSubscription;
import org.apache.activemq.command.*;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.ActiveMQMessage;
import org.apache.activemq.command.ActiveMQTopic;
import org.apache.activemq.command.BrokerInfo;
import org.apache.activemq.command.Command;
import org.apache.activemq.command.ConnectionId;
import org.apache.activemq.command.ConnectionInfo;
import org.apache.activemq.command.ConsumerId;
import org.apache.activemq.command.ConsumerInfo;
import org.apache.activemq.command.DestinationInfo;
import org.apache.activemq.command.Message;
import org.apache.activemq.command.MessageId;
import org.apache.activemq.command.ProducerId;
import org.apache.activemq.command.ProducerInfo;
import org.apache.activemq.command.RemoveSubscriptionInfo;
import org.apache.activemq.security.SecurityContext;
import org.apache.activemq.state.ProducerState;
import org.apache.activemq.usage.Usage;
@ -55,33 +69,65 @@ public class AdvisoryBroker extends BrokerFilter {
protected final ConcurrentHashMap<ConnectionId, ConnectionInfo> connections = new ConcurrentHashMap<ConnectionId, ConnectionInfo>();
class ConsumerIdKey {
final ConsumerId delegate;
final long creationTime = System.currentTimeMillis();
private final ConsumerId delegate;
private final long creationTime;
ConsumerIdKey(ConsumerId id) {
delegate = id;
this.delegate = id;
this.creationTime = System.currentTimeMillis();
}
ConsumerIdKey(ConsumerId id, long creationTime) {
this.delegate = id;
this.creationTime = creationTime;
}
@Override
public boolean equals(Object other) {
return delegate.equals(other);
if (this == other) {
return true;
}
if (other == null || other.getClass() != ConsumerIdKey.class) {
return false;
}
ConsumerIdKey key = (ConsumerIdKey) other;
return delegate.equals(key.delegate);
}
@Override
public int hashCode() {
return delegate.hashCode();
}
@Override
public String toString() {
return "ConsumerIdKey { " + delegate + " }";
}
public ConsumerId getConsumerId() {
return this.delegate;
}
public long getCreationTime() {
return this.creationTime;
}
}
// replay consumer advisory messages in the order in which they arrive - allows duplicate suppression in
// mesh networks with ttl>1
protected final Map<ConsumerIdKey, ConsumerInfo> consumers = new ConcurrentSkipListMap<ConsumerIdKey, ConsumerInfo>(
new Comparator<ConsumerIdKey>() {
@Override
public int compare(ConsumerIdKey o1, ConsumerIdKey o2) {
return (o1.creationTime < o2.creationTime ? -1 : (o1.delegate==o2.delegate ? 0 : 1));
return (o1.creationTime < o2.creationTime ? -1 : o1.equals(o2) ? 0 : 1);
}
}
);
protected final Map<ConsumerId, Long> consumerTracker = new ConcurrentHashMap<ConsumerId, Long>();
protected final ConcurrentHashMap<ProducerId, ProducerInfo> producers = new ConcurrentHashMap<ProducerId, ProducerInfo>();
protected final ConcurrentHashMap<ActiveMQDestination, DestinationInfo> destinations = new ConcurrentHashMap<ActiveMQDestination, DestinationInfo>();
protected final ConcurrentHashMap<BrokerInfo, ActiveMQMessage> networkBridges = new ConcurrentHashMap<BrokerInfo, ActiveMQMessage>();
@ -113,7 +159,10 @@ public class AdvisoryBroker extends BrokerFilter {
// Don't advise advisory topics.
if (!AdvisorySupport.isAdvisoryTopic(info.getDestination())) {
ActiveMQTopic topic = AdvisorySupport.getConsumerAdvisoryTopic(info.getDestination());
consumers.put(new ConsumerIdKey(info.getConsumerId()), info);
ConsumerIdKey key = new ConsumerIdKey(info.getConsumerId());
consumerTracker.put(key.getConsumerId(), key.getCreationTime());
consumers.put(key, info);
LOG.info("Added {} to the map:", key);
fireConsumerAdvisory(context, info.getDestination(), topic, info);
} else {
// We need to replay all the previously collected state objects
@ -276,7 +325,18 @@ public class AdvisoryBroker extends BrokerFilter {
ActiveMQDestination dest = info.getDestination();
if (!AdvisorySupport.isAdvisoryTopic(dest)) {
ActiveMQTopic topic = AdvisorySupport.getConsumerAdvisoryTopic(dest);
consumers.remove(new ConsumerIdKey(info.getConsumerId()));
Object value = consumerTracker.remove(info.getConsumerId());
if (value != null) {
Long creationTime = (Long) value;
ConsumerIdKey key = new ConsumerIdKey(info.getConsumerId(), creationTime);
if (consumers.remove(key) == null) {
LOG.info("Failed to remove:{} from the consumers map: {}", key, consumers);
}
} else {
LOG.info("Failed to find consumer:{} in creation time tracking map: ", info.getConsumerId());
}
if (!dest.isTemporary() || destinations.containsKey(dest)) {
fireConsumerAdvisory(context,dest, topic, info.createRemoveCommand());
}

30
activemq-unit-tests/src/test/java/org/apache/activemq/advisory/TempQueueMemoryTest.java
View File

@ -34,12 +34,13 @@ import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.ActiveMQQueue;
public class TempQueueMemoryTest extends EmbeddedBrokerTestSupport {
protected Connection serverConnection;
protected Session serverSession;
protected Connection clientConnection;
protected Session clientSession;
protected Destination serverDestination;
protected int messagesToSend = 2000;
protected int messagesToSend = 10;
protected boolean deleteTempQueue = true;
protected boolean serverTransactional = false;
protected boolean clientTransactional = false;
@ -52,7 +53,7 @@ public class TempQueueMemoryTest extends EmbeddedBrokerTestSupport {
}
public void testLoadRequestReply() throws Exception {
for (int i=0; i< numConsumers; i++) {
for (int i = 0; i < numConsumers; i++) {
serverSession.createConsumer(serverDestination).setMessageListener(new MessageListener() {
@Override
public void onMessage(Message msg) {
@ -73,17 +74,19 @@ public class TempQueueMemoryTest extends EmbeddedBrokerTestSupport {
class Producer extends Thread {
private final int numToSend;
public Producer(int numToSend) {
this.numToSend = numToSend;
}
@Override
public void run() {
try {
Session session = clientConnection.createSession(clientTransactional,
clientTransactional ? Session.SESSION_TRANSACTED : Session.AUTO_ACKNOWLEDGE);
Session session = clientConnection.createSession(clientTransactional, clientTransactional ?
Session.SESSION_TRANSACTED : Session.AUTO_ACKNOWLEDGE);
MessageProducer producer = session.createProducer(serverDestination);
for (int i =0; i< numToSend; i++) {
for (int i = 0; i < numToSend; i++) {
TemporaryQueue replyTo = session.createTemporaryQueue();
MessageConsumer consumer = session.createConsumer(replyTo);
Message msg = session.createMessage();
@ -109,8 +112,8 @@ public class TempQueueMemoryTest extends EmbeddedBrokerTestSupport {
}
}
Vector<Thread> threads = new Vector<Thread>(numProducers);
for (int i=0; i<numProducers ; i++) {
threads.add(new Producer(messagesToSend/numProducers));
for (int i = 0; i < numProducers; i++) {
threads.add(new Producer(messagesToSend / numProducers));
}
startAndJoinThreads(threads);
@ -119,14 +122,13 @@ public class TempQueueMemoryTest extends EmbeddedBrokerTestSupport {
clientConnection.close();
serverConnection.close();
AdvisoryBroker ab = (AdvisoryBroker) broker.getBroker().getAdaptor(
AdvisoryBroker.class);
AdvisoryBroker ab = (AdvisoryBroker) broker.getBroker().getAdaptor(AdvisoryBroker.class);
///The server destination will be left
// The server destination will be left
assertTrue(ab.getAdvisoryDestinations().size() == 1);
assertTrue("should be zero but is "+ab.getAdvisoryConsumers().size(),ab.getAdvisoryConsumers().size() == 0);
assertTrue("should be zero but is "+ab.getAdvisoryProducers().size(),ab.getAdvisoryProducers().size() == 0);
assertTrue("should be zero but is " + ab.getAdvisoryConsumers().size(), ab.getAdvisoryConsumers().size() == 0);
assertTrue("should be zero but is " + ab.getAdvisoryProducers().size(), ab.getAdvisoryProducers().size() == 0);
RegionBroker rb = (RegionBroker) broker.getBroker().getAdaptor(RegionBroker.class);
@ -134,10 +136,10 @@ public class TempQueueMemoryTest extends EmbeddedBrokerTestSupport {
}
private void startAndJoinThreads(Vector<Thread> threads) throws Exception {
for (Thread thread: threads) {
for (Thread thread : threads) {
thread.start();
}
for (Thread thread: threads) {
for (Thread thread : threads) {
thread.join();
}
}