@Test
public void testPublisherConfirmMultiple() throws Exception {
ConnectionFactory mockConnectionFactory = mock(ConnectionFactory.class);
Connection mockConnection = mock(Connection.class);
Channel mockChannel = mock(Channel.class);
when(mockConnectionFactory.newConnection((ExecutorService) null)).thenReturn(mockConnection);
when(mockConnection.isOpen()).thenReturn(true);
PublisherCallbackChannelImpl callbackChannel = new PublisherCallbackChannelImpl(mockChannel);
when(mockConnection.createChannel()).thenReturn(callbackChannel);
final AtomicInteger count = new AtomicInteger();
doAnswer(
new Answer<Object>() {
@Override
public Object answer(InvocationOnMock invocation) throws Throwable {
return count.incrementAndGet();
}
})
.when(mockChannel)
.getNextPublishSeqNo();
CachingConnectionFactory ccf = new CachingConnectionFactory(mockConnectionFactory);
ccf.setPublisherConfirms(true);
final RabbitTemplate template = new RabbitTemplate(ccf);
final CountDownLatch latch = new CountDownLatch(2);
template.setConfirmCallback(
new ConfirmCallback() {
@Override
public void confirm(CorrelationData correlationData, boolean ack, String cause) {
if (ack) {
latch.countDown();
}
}
});
template.convertAndSend(ROUTE, (Object) "message", new CorrelationData("abc"));
template.convertAndSend(ROUTE, (Object) "message", new CorrelationData("def"));
callbackChannel.handleAck(2, true);
assertTrue(latch.await(1000, TimeUnit.MILLISECONDS));
Collection<CorrelationData> unconfirmed = template.getUnconfirmed(-1);
assertNull(unconfirmed);
}
/**
* 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();
*/
}
/**
* Tests that piggy-backed confirms (multiple=true) are distributed to the proper template.
*
* @throws Exception
*/
@Test
public void testPublisherConfirmMultipleWithTwoListeners() throws Exception {
ConnectionFactory mockConnectionFactory = mock(ConnectionFactory.class);
Connection mockConnection = mock(Connection.class);
Channel mockChannel = mock(Channel.class);
when(mockConnectionFactory.newConnection((ExecutorService) null)).thenReturn(mockConnection);
when(mockConnection.isOpen()).thenReturn(true);
PublisherCallbackChannelImpl callbackChannel = new PublisherCallbackChannelImpl(mockChannel);
when(mockConnection.createChannel()).thenReturn(callbackChannel);
final AtomicInteger count = new AtomicInteger();
doAnswer(
new Answer<Object>() {
@Override
public Object answer(InvocationOnMock invocation) throws Throwable {
return count.incrementAndGet();
}
})
.when(mockChannel)
.getNextPublishSeqNo();
CachingConnectionFactory ccf = new CachingConnectionFactory(mockConnectionFactory);
ccf.setPublisherConfirms(true);
final RabbitTemplate template1 = new RabbitTemplate(ccf);
final Set<String> confirms = new HashSet<String>();
final CountDownLatch latch1 = new CountDownLatch(1);
template1.setConfirmCallback(
new ConfirmCallback() {
@Override
public void confirm(CorrelationData correlationData, boolean ack, String cause) {
if (ack) {
confirms.add(correlationData.getId() + "1");
latch1.countDown();
}
}
});
final RabbitTemplate template2 = new RabbitTemplate(ccf);
final CountDownLatch latch2 = new CountDownLatch(1);
template2.setConfirmCallback(
new ConfirmCallback() {
@Override
public void confirm(CorrelationData correlationData, boolean ack, String cause) {
if (ack) {
confirms.add(correlationData.getId() + "2");
latch2.countDown();
}
}
});
template1.convertAndSend(ROUTE, (Object) "message", new CorrelationData("abc"));
template2.convertAndSend(ROUTE, (Object) "message", new CorrelationData("def"));
template2.convertAndSend(ROUTE, (Object) "message", new CorrelationData("ghi"));
callbackChannel.handleAck(3, true);
assertTrue(latch1.await(1000, TimeUnit.MILLISECONDS));
assertTrue(latch2.await(1000, TimeUnit.MILLISECONDS));
Collection<CorrelationData> unconfirmed1 = template1.getUnconfirmed(-1);
assertNull(unconfirmed1);
Collection<CorrelationData> unconfirmed2 = template2.getUnconfirmed(-1);
assertNull(unconfirmed2);
assertTrue(confirms.contains("abc1"));
assertTrue(confirms.contains("def2"));
assertTrue(confirms.contains("ghi2"));
assertEquals(3, confirms.size());
}