public void testLoadBalancing() throws Exception {
bridgeBrokers("BrokerA", "BrokerB");
bridgeBrokers("BrokerB", "BrokerA");
startAllBrokers();
waitForBridgeFormation();
// Setup destination
Destination dest = createDestination("TEST.FOO", false);
// Setup consumers
MessageConsumer clientA = createConsumer("BrokerA", dest);
// Setup consumers
MessageConsumer clientB = createConsumer("BrokerB", dest);
// Send messages
sendMessages("BrokerA", dest, 5000);
// Send messages
sendMessages("BrokerB", dest, 1000);
// Get message count
final MessageIdList msgsA = getConsumerMessages("BrokerA", clientA);
final MessageIdList msgsB = getConsumerMessages("BrokerB", clientB);
Wait.waitFor(
new Wait.Condition() {
public boolean isSatisified() throws Exception {
return msgsA.getMessageCount() + msgsB.getMessageCount() == 6000;
}
});
LOG.info("A got: " + msgsA.getMessageCount());
LOG.info("B got: " + msgsB.getMessageCount());
assertTrue("B got is fair share: " + msgsB.getMessageCount(), msgsB.getMessageCount() > 2000);
}
public void assertOneConsumerReceivedAllMessages(int messageCount) throws Exception {
boolean found = false;
for (Iterator<MessageConsumer> i = consumers.keySet().iterator(); i.hasNext(); ) {
MessageIdList messageIdList = consumers.get(i.next());
int count = messageIdList.getMessageCount();
if (count > 0) {
if (found) {
fail("No other consumers should have received any messages");
} else {
assertEquals("Consumer should have received all messages.", messageCount, count);
found = true;
}
}
}
if (!found) {
fail("At least one consumer should have received all messages");
}
}
public void testSelectorsAndNonSelectors() throws Exception {
clearSelectorCacheFiles();
// borkerA is local and brokerB is remote
bridgeAndConfigureBrokers("BrokerA", "BrokerB");
startAllBrokers();
waitForBridgeFormation();
final BrokerService brokerA = brokers.get("BrokerA").broker;
final BrokerService brokerB = brokers.get("BrokerB").broker;
// Create the remote virtual topic consumer with selector
ActiveMQDestination consumerBQueue =
createDestination("Consumer.B.VirtualTopic.tempTopic", false);
MessageConsumer selectingConsumer = createConsumer("BrokerB", consumerBQueue, "foo = 'bar'");
MessageConsumer nonSelectingConsumer = createConsumer("BrokerB", consumerBQueue);
// let advisories propogate
Wait.waitFor(
new Wait.Condition() {
Destination dest =
brokerA.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"));
@Override
public boolean isSatisified() throws Exception {
return dest.getConsumers().size() == 2;
}
},
500);
Destination destination = getDestination(brokerB, consumerBQueue);
assertEquals(2, destination.getConsumers().size());
// publisher publishes to this
ActiveMQTopic virtualTopic = new ActiveMQTopic("VirtualTopic.tempTopic");
sendMessages("BrokerA", virtualTopic, 10, asMap("foo", "bar"));
sendMessages("BrokerA", virtualTopic, 10);
MessageIdList selectingConsumerMessages = getConsumerMessages("BrokerB", selectingConsumer);
MessageIdList nonSelectingConsumerMessages =
getConsumerMessages("BrokerB", nonSelectingConsumer);
// we only expect half of the messages that get sent with the selector, because they get load
// balanced
selectingConsumerMessages.waitForMessagesToArrive(5, 1000L);
assertEquals(5, selectingConsumerMessages.getMessageCount());
nonSelectingConsumerMessages.waitForMessagesToArrive(15, 1000L);
assertEquals(15, nonSelectingConsumerMessages.getMessageCount());
// assert broker A stats
waitForMessagesToBeConsumed(brokerA, "Consumer.B.VirtualTopic.tempTopic", false, 20, 20, 5000);
assertEquals(
20,
brokerA
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getEnqueues()
.getCount());
assertEquals(
20,
brokerA
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getDequeues()
.getCount());
assertEquals(
0,
brokerA
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getMessages()
.getCount());
// assert broker B stats
waitForMessagesToBeConsumed(brokerB, "Consumer.B.VirtualTopic.tempTopic", false, 20, 20, 5000);
assertEquals(
20,
brokerB
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getEnqueues()
.getCount());
assertEquals(
20,
brokerB
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getDequeues()
.getCount());
assertEquals(
0,
brokerB
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getMessages()
.getCount());
// now let's close the consumer without the selector
nonSelectingConsumer.close();
// let advisories propogate
Wait.waitFor(
new Wait.Condition() {
Destination dest =
brokerA.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"));
@Override
public boolean isSatisified() throws Exception {
return dest.getConsumers().size() == 1;
}
},
500);
// and let's send messages with a selector that doesnt' match
selectingConsumerMessages.flushMessages();
sendMessages("BrokerA", virtualTopic, 10, asMap("ceposta", "redhat"));
selectingConsumerMessages = getConsumerMessages("BrokerB", selectingConsumer);
selectingConsumerMessages.waitForMessagesToArrive(1, 1000L);
assertEquals(0, selectingConsumerMessages.getMessageCount());
// assert broker A stats
waitForMessagesToBeConsumed(brokerA, "Consumer.B.VirtualTopic.tempTopic", false, 20, 20, 5000);
assertEquals(
20,
brokerA
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getEnqueues()
.getCount());
assertEquals(
20,
brokerA
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getDequeues()
.getCount());
assertEquals(
0,
brokerA
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getMessages()
.getCount());
// assert broker B stats
waitForMessagesToBeConsumed(brokerB, "Consumer.B.VirtualTopic.tempTopic", false, 20, 20, 5000);
assertEquals(
20,
brokerB
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getEnqueues()
.getCount());
assertEquals(
20,
brokerB
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getDequeues()
.getCount());
assertEquals(
0,
brokerB
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getMessages()
.getCount());
// now lets disconect the selecting consumer for a sec and send messages with a selector that
// DOES match
selectingConsumer.close();
// let advisories propogate
Wait.waitFor(
new Wait.Condition() {
Destination dest =
brokerA.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"));
@Override
public boolean isSatisified() throws Exception {
return dest.getConsumers().size() == 0;
}
},
500);
selectingConsumerMessages.flushMessages();
sendMessages("BrokerA", virtualTopic, 10, asMap("foo", "bar"));
// assert broker A stats
waitForMessagesToBeConsumed(brokerA, "Consumer.B.VirtualTopic.tempTopic", false, 20, 20, 5000);
assertEquals(
30,
brokerA
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getEnqueues()
.getCount());
assertEquals(
20,
brokerA
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getDequeues()
.getCount());
assertEquals(
10,
brokerA
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getMessages()
.getCount());
// assert broker B stats
waitForMessagesToBeConsumed(brokerB, "Consumer.B.VirtualTopic.tempTopic", false, 20, 20, 5000);
assertEquals(
20,
brokerB
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getEnqueues()
.getCount());
assertEquals(
20,
brokerB
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getDequeues()
.getCount());
assertEquals(
0,
brokerB
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getMessages()
.getCount());
selectingConsumer = createConsumer("BrokerB", consumerBQueue, "foo = 'bar'");
selectingConsumerMessages = getConsumerMessages("BrokerB", selectingConsumer);
selectingConsumerMessages.waitForMessagesToArrive(10);
assertEquals(10, selectingConsumerMessages.getMessageCount());
// let advisories propogate
Wait.waitFor(
new Wait.Condition() {
Destination dest =
brokerA.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"));
@Override
public boolean isSatisified() throws Exception {
return dest.getConsumers().size() == 1;
}
},
500);
// assert broker A stats
waitForMessagesToBeConsumed(brokerA, "Consumer.B.VirtualTopic.tempTopic", false, 30, 30, 5000);
assertEquals(
30,
brokerA
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getEnqueues()
.getCount());
assertEquals(
30,
brokerA
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getDequeues()
.getCount());
assertEquals(
0,
brokerA
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getMessages()
.getCount());
// assert broker B stats
waitForMessagesToBeConsumed(brokerB, "Consumer.B.VirtualTopic.tempTopic", false, 30, 30, 5000);
assertEquals(
30,
brokerB
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getEnqueues()
.getCount());
assertEquals(
30,
brokerB
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getDequeues()
.getCount());
assertEquals(
0,
brokerB
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getMessages()
.getCount());
}
public void testSelectorAwareForwarding() throws Exception {
clearSelectorCacheFiles();
// borkerA is local and brokerB is remote
bridgeAndConfigureBrokers("BrokerA", "BrokerB");
startAllBrokers();
waitForBridgeFormation();
final BrokerService brokerB = brokers.get("BrokerB").broker;
final BrokerService brokerA = brokers.get("BrokerA").broker;
// Create the remote virtual topic consumer with selector
MessageConsumer remoteConsumer =
createConsumer(
"BrokerB",
createDestination("Consumer.B.VirtualTopic.tempTopic", false),
"foo = 'bar'");
// let advisories propogate
Wait.waitFor(
new Wait.Condition() {
Destination dest =
brokerA.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"));
@Override
public boolean isSatisified() throws Exception {
return dest.getConsumers().size() == 1;
}
},
500);
ActiveMQQueue queueB = new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic");
Destination destination = getDestination(brokers.get("BrokerB").broker, queueB);
assertEquals(1, destination.getConsumers().size());
ActiveMQTopic virtualTopic = new ActiveMQTopic("VirtualTopic.tempTopic");
assertNull(getDestination(brokers.get("BrokerA").broker, virtualTopic));
assertNull(getDestination(brokers.get("BrokerB").broker, virtualTopic));
// send two types of messages, one unwanted and the other wanted
sendMessages("BrokerA", virtualTopic, 1, asMap("foo", "bar"));
sendMessages("BrokerA", virtualTopic, 1, asMap("ceposta", "redhat"));
MessageIdList msgsB = getConsumerMessages("BrokerB", remoteConsumer);
// wait for the wanted one to arrive at the remote consumer
msgsB.waitForMessagesToArrive(1);
// ensure we don't get any more messages
msgsB.waitForMessagesToArrive(1, 1000);
// remote consumer should only get one of the messages
assertEquals(1, msgsB.getMessageCount());
// and the enqueue count for the remote queue should only be 1
assertEquals(
1,
brokerB
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getEnqueues()
.getCount());
// now let's remove the consumer on broker B and recreate it with new selector
remoteConsumer.close();
// now let's shut down broker A and clear its persistent selector cache
brokerA.stop();
brokerA.waitUntilStopped();
deleteSelectorCacheFile("BrokerA");
assertEquals(0, destination.getConsumers().size());
remoteConsumer =
createConsumer(
"BrokerB",
createDestination("Consumer.B.VirtualTopic.tempTopic", false),
"ceposta = 'redhat'");
assertEquals(1, destination.getConsumers().size());
// now let's start broker A back up
brokerA.start(true);
brokerA.waitUntilStarted();
System.out.println(brokerA.getNetworkConnectors());
// give a sec to let advisories propogate
// let advisories propogate
Wait.waitFor(
new Wait.Condition() {
Destination dest =
brokerA.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"));
@Override
public boolean isSatisified() throws Exception {
return dest.getConsumers().size() == 1;
}
},
500);
// send two types of messages, one unwanted and the other wanted
sendMessages("BrokerA", virtualTopic, 1, asMap("foo", "bar"));
sendMessages("BrokerB", virtualTopic, 1, asMap("foo", "bar"));
sendMessages("BrokerA", virtualTopic, 1, asMap("ceposta", "redhat"));
sendMessages("BrokerB", virtualTopic, 1, asMap("ceposta", "redhat"));
// lets get messages on consumer B
msgsB = getConsumerMessages("BrokerB", remoteConsumer);
msgsB.waitForMessagesToArrive(2);
// ensure we don't get any more messages
msgsB.waitForMessagesToArrive(1, 1000);
// remote consumer should only get 10 of the messages
assertEquals(2, msgsB.getMessageCount());
// queue should be drained
assertEquals(
0,
brokerB
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getMessages()
.getCount());
// and the enqueue count for the remote queue should only be 1
assertEquals(
3,
brokerB
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getEnqueues()
.getCount());
}
public void testSelectorConsumptionWithNoMatchAtHeadOfQueue() throws Exception {
clearSelectorCacheFiles();
startAllBrokers();
BrokerService brokerA = brokers.get("BrokerA").broker;
// Create the remote virtual topic consumer with selector
ActiveMQDestination consumerQueue =
createDestination("Consumer.B.VirtualTopic.tempTopic", false);
// create it so that the queue is there and messages don't get lost
MessageConsumer selectingConsumer = establishConsumer("BrokerA", consumerQueue);
// send messages with NO selection criteria first, and then with a property to be selected
// this should put messages at the head of the queue that don't match selection
ActiveMQTopic virtualTopic = new ActiveMQTopic("VirtualTopic.tempTopic");
sendMessages("BrokerA", virtualTopic, 1);
// close the consumer w/out consuming any messages; they'll be marked redelivered
selectingConsumer.close();
selectingConsumer = createConsumer("BrokerA", consumerQueue, "foo = 'bar'");
sendMessages("BrokerA", virtualTopic, 1, asMap("foo", "bar"));
MessageIdList selectingConsumerMessages = getConsumerMessages("BrokerA", selectingConsumer);
selectingConsumerMessages.waitForMessagesToArrive(1, 1000L);
assertEquals(1, selectingConsumerMessages.getMessageCount());
selectingConsumerMessages.waitForMessagesToArrive(10, 1000L);
assertEquals(1, selectingConsumerMessages.getMessageCount());
// assert broker A stats
waitForMessagesToBeConsumed(brokerA, "Consumer.B.VirtualTopic.tempTopic", false, 2, 1, 5000);
assertEquals(
1,
brokerA
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getConsumers()
.size());
assertEquals(
2,
brokerA
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getEnqueues()
.getCount());
assertEquals(
1,
brokerA
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getDequeues()
.getCount());
assertEquals(
1,
brokerA
.getDestination(new ActiveMQQueue("Consumer.B.VirtualTopic.tempTopic"))
.getDestinationStatistics()
.getMessages()
.getCount());
}