@Before
public void declareQueue() {
CachingConnectionFactory connectionFactory = new CachingConnectionFactory();
connectionFactory.setChannelCacheSize(concurrentConsumers);
// connectionFactory.setPort(5673);
template.setConnectionFactory(connectionFactory);
}
@Before
public void createConnectionFactory() {
CachingConnectionFactory connectionFactory = new CachingConnectionFactory();
connectionFactory.setChannelCacheSize(concurrentConsumers);
connectionFactory.setPort(BrokerTestUtils.getPort());
template.setConnectionFactory(connectionFactory);
}
@Before
public void declareQueue() {
CachingConnectionFactory connectionFactory = new CachingConnectionFactory();
connectionFactory.setHost("localhost");
connectionFactory.setChannelCacheSize(concurrentConsumers);
connectionFactory.setPort(BrokerTestUtils.getPort());
template.setConnectionFactory(connectionFactory);
}
@Before
public void create() {
connectionFactory = new CachingConnectionFactory();
connectionFactory.setHost("localhost");
connectionFactory.setChannelCacheSize(10);
connectionFactory.setPort(BrokerTestUtils.getPort());
connectionFactoryWithConfirmsEnabled = new CachingConnectionFactory();
connectionFactoryWithConfirmsEnabled.setHost("localhost");
// When using publisher confirms, the cache size needs to be large enough
// otherwise channels can be closed before confirms are received.
connectionFactoryWithConfirmsEnabled.setChannelCacheSize(100);
connectionFactoryWithConfirmsEnabled.setPort(BrokerTestUtils.getPort());
connectionFactoryWithConfirmsEnabled.setPublisherConfirms(true);
templateWithConfirmsEnabled = new RabbitTemplate(connectionFactoryWithConfirmsEnabled);
connectionFactoryWithReturnsEnabled = new CachingConnectionFactory();
connectionFactoryWithReturnsEnabled.setHost("localhost");
connectionFactoryWithReturnsEnabled.setChannelCacheSize(1);
connectionFactoryWithReturnsEnabled.setPort(BrokerTestUtils.getPort());
connectionFactoryWithReturnsEnabled.setPublisherReturns(true);
templateWithReturnsEnabled = new RabbitTemplate(connectionFactoryWithReturnsEnabled);
}
private RabbitTemplate createTemplate(int concurrentConsumers) {
RabbitTemplate template = new RabbitTemplate();
CachingConnectionFactory connectionFactory = new CachingConnectionFactory();
connectionFactory.setHost("localhost");
connectionFactory.setChannelCacheSize(concurrentConsumers);
connectionFactory.setPort(BrokerTestUtils.getPort());
template.setConnectionFactory(connectionFactory);
if (messageConverter == null) {
SimpleMessageConverter messageConverter = new SimpleMessageConverter();
messageConverter.setCreateMessageIds(true);
this.messageConverter = messageConverter;
}
template.setMessageConverter(messageConverter);
return template;
}
private void doTest(int concurrentConsumers, ContainerConfigurer configurer) {
int messageCount = 10;
RabbitTemplate template = new RabbitTemplate();
CachingConnectionFactory connectionFactory = new CachingConnectionFactory();
connectionFactory.setHost("localhost");
connectionFactory.setChannelCacheSize(concurrentConsumers);
connectionFactory.setPort(BrokerTestUtils.getPort());
template.setConnectionFactory(connectionFactory);
SimpleMessageConverter messageConverter = new SimpleMessageConverter();
messageConverter.setCreateMessageIds(true);
template.setMessageConverter(messageConverter);
for (int i = 0; i < messageCount; i++) {
template.convertAndSend(queue1.getName(), new Integer(i));
template.convertAndSend(queue2.getName(), new Integer(i));
}
final SimpleMessageListenerContainer container =
new SimpleMessageListenerContainer(connectionFactory);
final CountDownLatch latch = new CountDownLatch(messageCount * 2);
PojoListener listener = new PojoListener(latch);
container.setMessageListener(new MessageListenerAdapter(listener));
container.setAcknowledgeMode(AcknowledgeMode.AUTO);
container.setChannelTransacted(true);
container.setConcurrentConsumers(concurrentConsumers);
configurer.configure(container);
container.afterPropertiesSet();
container.start();
try {
int timeout = Math.min(1 + messageCount / concurrentConsumers, 30);
boolean waited = latch.await(timeout, TimeUnit.SECONDS);
logger.info("All messages recovered: " + waited);
assertEquals(concurrentConsumers, container.getActiveConsumerCount());
assertTrue("Timed out waiting for messages", waited);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new IllegalStateException("unexpected interruption");
} finally {
container.shutdown();
assertEquals(0, container.getActiveConsumerCount());
}
assertNull(template.receiveAndConvert(queue1.getName()));
assertNull(template.receiveAndConvert(queue2.getName()));
connectionFactory.destroy();
}
/**
* Avoid the possibility of not configuring the CachingConnectionFactory in sync with the number
* of concurrent consumers.
*/
@Override
protected void validateConfiguration() {
super.validateConfiguration();
Assert.state(
!(getAcknowledgeMode().isAutoAck() && transactionManager != null),
"The acknowledgeMode is NONE (autoack in Rabbit terms) which is not consistent with having an "
+ "external transaction manager. Either use a different AcknowledgeMode or make sure the transactionManager is null.");
if (this.getConnectionFactory() instanceof CachingConnectionFactory) {
CachingConnectionFactory cf = (CachingConnectionFactory) getConnectionFactory();
if (cf.getChannelCacheSize() < this.concurrentConsumers) {
cf.setChannelCacheSize(this.concurrentConsumers);
logger.warn(
"CachingConnectionFactory's channelCacheSize can not be less than the number of concurrentConsumers so it was reset to match: "
+ this.concurrentConsumers);
}
}
}
/**
* AMQP-262 Sets up a situation where we are processing 'multi' acks at the same time as adding a
* new pending ack to the map. Test verifies we don't get a {@link
* ConcurrentModificationException}.
*/
@SuppressWarnings({"rawtypes", "unchecked", "deprecation"})
@Test
public void testConcurrentConfirms() throws Exception {
ConnectionFactory mockConnectionFactory = mock(ConnectionFactory.class);
Connection mockConnection = mock(Connection.class);
Channel mockChannel = mock(Channel.class);
when(mockChannel.getNextPublishSeqNo()).thenReturn(1L, 2L, 3L, 4L);
when(mockConnectionFactory.newConnection((ExecutorService) null)).thenReturn(mockConnection);
when(mockConnection.isOpen()).thenReturn(true);
final PublisherCallbackChannelImpl channel = new PublisherCallbackChannelImpl(mockChannel);
when(mockConnection.createChannel()).thenReturn(channel);
CachingConnectionFactory ccf = new CachingConnectionFactory(mockConnectionFactory);
ccf.setPublisherConfirms(true);
ccf.setChannelCacheSize(3);
final RabbitTemplate template = new RabbitTemplate(ccf);
final CountDownLatch first2SentOnThread1Latch = new CountDownLatch(1);
final CountDownLatch delayAckProcessingLatch = new CountDownLatch(1);
final CountDownLatch startedProcessingMultiAcksLatch = new CountDownLatch(1);
final CountDownLatch waitForAll3AcksLatch = new CountDownLatch(3);
final CountDownLatch allSentLatch = new CountDownLatch(1);
final AtomicInteger acks = new AtomicInteger();
template.setConfirmCallback(
new ConfirmCallback() {
@Override
public void confirm(CorrelationData correlationData, boolean ack, String cause) {
try {
startedProcessingMultiAcksLatch.countDown();
// delay processing here; ensures thread 2 put would be concurrent
delayAckProcessingLatch.await(2, TimeUnit.SECONDS);
// only delay first time through
delayAckProcessingLatch.countDown();
waitForAll3AcksLatch.countDown();
acks.incrementAndGet();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
});
Executors.newSingleThreadExecutor()
.execute(
new Runnable() {
@Override
public void run() {
template.convertAndSend(ROUTE, (Object) "message", new CorrelationData("abc"));
template.convertAndSend(ROUTE, (Object) "message", new CorrelationData("def"));
first2SentOnThread1Latch.countDown();
}
});
Executors.newSingleThreadExecutor()
.execute(
new Runnable() {
@Override
public void run() {
try {
startedProcessingMultiAcksLatch.await();
template.convertAndSend(ROUTE, (Object) "message", new CorrelationData("ghi"));
allSentLatch.countDown();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
});
assertTrue(first2SentOnThread1Latch.await(10, TimeUnit.SECONDS));
// there should be no concurrent execution exception here
channel.handleAck(2, true);
assertTrue(allSentLatch.await(10, TimeUnit.SECONDS));
channel.handleAck(3, false);
assertTrue(waitForAll3AcksLatch.await(10, TimeUnit.SECONDS));
assertEquals(3, acks.get());
// 3.3.1 client
channel.basicConsume("foo", false, (Map) null, null);
verify(mockChannel).basicConsume("foo", false, (Map) null, null);
channel.basicQos(3, false);
verify(mockChannel).basicQos(3, false);
doReturn(true).when(mockChannel).flowBlocked();
assertTrue(channel.flowBlocked());
try {
channel.flow(true);
fail("Expected exception");
} catch (UnsupportedOperationException e) {
}
try {
channel.getFlow();
fail("Expected exception");
} catch (UnsupportedOperationException e) {
}
// 3.2.4 client
/*
try {
channel.basicConsume("foo", false, (Map) null, (Consumer) null);
fail("Expected exception");
}
catch (UnsupportedOperationException e) {}
try {
channel.basicQos(3, false);
fail("Expected exception");
}
catch (UnsupportedOperationException e) {}
try {
channel.flowBlocked();
fail("Expected exception");
}
catch (UnsupportedOperationException e) {}
channel.flow(true);
verify(mockChannel).flow(true);
channel.getFlow();
verify(mockChannel).getFlow();
*/
}
@Test
public void testPublisherConfirmNotReceivedMultiThreads() throws Exception {
ConnectionFactory mockConnectionFactory = mock(ConnectionFactory.class);
Connection mockConnection = mock(Connection.class);
Channel mockChannel1 = mock(Channel.class);
Channel mockChannel2 = mock(Channel.class);
when(mockChannel1.isOpen()).thenReturn(true);
when(mockChannel2.isOpen()).thenReturn(true);
when(mockChannel1.getNextPublishSeqNo()).thenReturn(1L, 2L, 3L, 4L);
when(mockChannel2.getNextPublishSeqNo()).thenReturn(1L, 2L, 3L, 4L);
when(mockConnectionFactory.newConnection((ExecutorService) null)).thenReturn(mockConnection);
when(mockConnection.isOpen()).thenReturn(true);
PublisherCallbackChannelImpl channel1 = new PublisherCallbackChannelImpl(mockChannel1);
PublisherCallbackChannelImpl channel2 = new PublisherCallbackChannelImpl(mockChannel2);
when(mockConnection.createChannel()).thenReturn(channel1).thenReturn(channel2);
CachingConnectionFactory ccf = new CachingConnectionFactory(mockConnectionFactory);
ccf.setPublisherConfirms(true);
ccf.setChannelCacheSize(3);
final RabbitTemplate template = new RabbitTemplate(ccf);
final AtomicBoolean confirmed = new AtomicBoolean();
template.setConfirmCallback(
new ConfirmCallback() {
@Override
public void confirm(CorrelationData correlationData, boolean ack, String cause) {
confirmed.set(true);
}
});
// Hold up the first thread so we get two channels
final CountDownLatch threadLatch = new CountDownLatch(1);
final CountDownLatch threadSentLatch = new CountDownLatch(1);
// Thread 1
ExecutorService exec = Executors.newSingleThreadExecutor();
exec.execute(
new Runnable() {
@Override
public void run() {
template.execute(
new ChannelCallback<Object>() {
@Override
public Object doInRabbit(Channel channel) throws Exception {
try {
threadLatch.await(10, TimeUnit.SECONDS);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
template.doSend(
channel,
"",
ROUTE,
new SimpleMessageConverter().toMessage("message", new MessageProperties()),
false,
new CorrelationData("def"));
threadSentLatch.countDown();
return null;
}
});
}
});
// Thread 2
template.convertAndSend(ROUTE, (Object) "message", new CorrelationData("abc")); // channel y
threadLatch.countDown();
assertTrue(threadSentLatch.await(5, TimeUnit.SECONDS));
Collection<CorrelationData> unconfirmed = template.getUnconfirmed(-1);
assertEquals(2, unconfirmed.size());
Set<String> ids = new HashSet<String>();
Iterator<CorrelationData> iterator = unconfirmed.iterator();
ids.add(iterator.next().getId());
ids.add(iterator.next().getId());
assertTrue(ids.remove("abc"));
assertTrue(ids.remove("def"));
assertFalse(confirmed.get());
DirectFieldAccessor dfa = new DirectFieldAccessor(template);
Map<?, ?> pendingConfirms = (Map<?, ?>) dfa.getPropertyValue("pendingConfirms");
assertThat(pendingConfirms.size(), greaterThan(0)); // might use 2 or only 1 channel
exec.shutdown();
assertTrue(exec.awaitTermination(10, TimeUnit.SECONDS));
ccf.destroy();
assertEquals(0, pendingConfirms.size());
}