private void ReceiveAsync()
{
SimpleMessageListenerContainer container = new SimpleMessageListenerContainer();
container.ConnectionFactory = this.connectionFactory;
container.Queue = TestConstants.QUEUE_NAME;
container.ConcurrentConsumers = 5;
MessageListenerAdapter adapter = new MessageListenerAdapter();
adapter.HandlerObject = new PocoHandler();
container.MessageListener = adapter;
container.AfterPropertiesSet();
container.Start();
Console.WriteLine("Main execution thread sleeping...");
Thread.Sleep(30000);
Console.WriteLine("Main execution thread exiting.");
container.Stop();
container.Shutdown();
}
/// <summary>Does the test.</summary>
/// <param name="level">The level.</param>
/// <param name="concurrency">The concurrency.</param>
/// <param name="transactionMode">The transaction mode.</param>
private void DoTest(MessageCount level, Concurrency concurrency, TransactionModeUtils.TransactionMode transactionMode)
{
var messageCount = (int)level;
var concurrentConsumers = (int)concurrency;
var transactional = transactionMode.IsTransactional();
var template = this.CreateTemplate(concurrentConsumers);
var latch = new CountdownEvent(messageCount);
for (var i = 0; i < messageCount; i++)
{
template.ConvertAndSend(queue.Name, i + "foo");
}
var container = new SimpleMessageListenerContainer(template.ConnectionFactory);
var listener = new LifecyclePocoListener(latch);
container.MessageListener = new MessageListenerAdapter(listener);
container.AcknowledgeMode = transactionMode.AcknowledgeMode();
container.ChannelTransacted = transactionMode.IsTransactional();
container.ConcurrentConsumers = concurrentConsumers;
if (transactionMode.Prefetch() > 0)
{
container.PrefetchCount = transactionMode.Prefetch();
container.TxSize = transactionMode.TxSize();
}
container.QueueNames = new[] { queue.Name };
container.AfterPropertiesSet();
container.Start();
try
{
var waited = latch.Wait(50);
Logger.Info("All messages received before stop: " + waited);
if (messageCount > 1)
{
Assert.False(waited, "Expected not to receive all messages before stop");
}
Assert.AreEqual(concurrentConsumers, container.ActiveConsumerCount);
container.Stop();
Thread.Sleep(500);
Assert.AreEqual(0, container.ActiveConsumerCount);
if (!transactional)
{
var messagesReceivedAfterStop = listener.Count;
waited = latch.Wait(500);
Logger.Info("All messages received after stop: " + waited);
if (messageCount < 100)
{
Assert.True(waited, "Expected to receive all messages after stop");
}
Assert.AreEqual(messagesReceivedAfterStop, listener.Count, "Unexpected additional messages received after stop");
for (var i = 0; i < messageCount; i++)
{
template.ConvertAndSend(queue.Name, i + "bar");
}
latch = new CountdownEvent(messageCount);
listener.Reset(latch);
}
var messagesReceivedBeforeStart = listener.Count;
container.Start();
var timeout = Math.Min(1 + messageCount / (4 * concurrentConsumers), 30);
Logger.Debug("Waiting for messages with timeout = " + timeout + " (s)");
waited = latch.Wait(timeout * 1000);
Logger.Info("All messages received after start: " + waited);
Assert.AreEqual(concurrentConsumers, container.ActiveConsumerCount);
if (transactional)
{
Assert.True(waited, "Timed out waiting for message");
}
else
{
var count = listener.Count;
Assert.True(messagesReceivedBeforeStart < count, "Expected additional messages received after start: " + messagesReceivedBeforeStart + ">=" + count);
Assert.Null(template.Receive(queue.Name), "Messages still available");
}
Assert.AreEqual(concurrentConsumers, container.ActiveConsumerCount);
}
finally
{
// Wait for broker communication to finish before trying to stop
// container
Thread.Sleep(500);
container.Shutdown();
Assert.AreEqual(0, container.ActiveConsumerCount);
}
Assert.Null(template.ReceiveAndConvert(queue.Name));
}
public void TestMessageListener()
{
var mockConnectionFactory = new Mock<ConnectionFactory>();
var mockConnection = new Mock<IConnection>();
var onlyChannel = new Mock<IModel>();
onlyChannel.Setup(m => m.IsOpen).Returns(true);
onlyChannel.Setup(m => m.CreateBasicProperties()).Returns(() => new BasicProperties());
var cachingConnectionFactory = new CachingConnectionFactory(mockConnectionFactory.Object);
mockConnectionFactory.Setup(m => m.CreateConnection()).Returns(mockConnection.Object);
mockConnection.Setup(m => m.IsOpen).Returns(true);
var tooManyChannels = new BlockingCollection<Exception>(1);
var done = false;
mockConnection.Setup(m => m.CreateModel()).Returns(
() =>
{
if (!done)
{
done = true;
return onlyChannel.Object;
}
tooManyChannels.Add(new Exception("More than one channel requested"));
var channel = new Mock<IModel>();
channel.Setup(m => m.IsOpen).Returns(true);
return channel.Object;
});
var consumer = new BlockingCollection<IBasicConsumer>(1);
onlyChannel.Setup(m => m.BasicConsume(It.IsAny<string>(), It.IsAny<bool>(), It.IsAny<IBasicConsumer>())).Callback<string, bool, IBasicConsumer>(
(a1, a2, a3) => consumer.Add(a3));
var commitLatch = new CountdownEvent(1);
onlyChannel.Setup(m => m.TxCommit()).Callback(() => commitLatch.Signal());
var latch = new CountdownEvent(1);
var container = new SimpleMessageListenerContainer(cachingConnectionFactory);
container.MessageListener = new Action<Message>(
message =>
{
var rabbitTemplate = new RabbitTemplate(cachingConnectionFactory);
rabbitTemplate.ChannelTransacted = true;
// should use same channel as container
rabbitTemplate.ConvertAndSend("foo", "bar", "baz");
latch.Signal();
});
container.QueueNames = new[] { "queue" };
container.ChannelTransacted = true;
container.ShutdownTimeout = 100;
container.AfterPropertiesSet();
container.Start();
IBasicConsumer currentConsumer;
consumer.TryTake(out currentConsumer, timeout);
Assert.IsNotNull(currentConsumer, "Timed out getting consumer.");
currentConsumer.HandleBasicDeliver("qux", 1, false, "foo", "bar", new BasicProperties(), new byte[] { 0 });
Assert.IsTrue(latch.Wait(new TimeSpan(0, 0, 10)));
var e = tooManyChannels.Count;
if (e > 0)
{
throw tooManyChannels.Take();
}
mockConnection.Verify(m => m.CreateModel(), Times.Once());
Assert.True(commitLatch.Wait(new TimeSpan(0, 0, 10)));
onlyChannel.Verify(m => m.TxCommit(), Times.Once());
onlyChannel.Verify(m => m.BasicPublish(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<bool>(), It.IsAny<bool>(), It.IsAny<IBasicProperties>(), It.IsAny<byte[]>()), Times.Once());
// verify close() was never called on the channel
var cachedChannelsTransactionalField = typeof(CachingConnectionFactory).GetField("cachedChannelsTransactional", BindingFlags.NonPublic | BindingFlags.Instance);
var channels = (LinkedList<IChannelProxy>)cachedChannelsTransactionalField.GetValue(cachingConnectionFactory);
Assert.AreEqual(0, channels.Count);
container.Stop();
}
public void TestChannelAwareMessageListenerDontExpose()
{
var mockConnectionFactory = new Mock<ConnectionFactory>();
var mockConnection = new Mock<IConnection>();
var firstChannel = new Mock<IModel>();
firstChannel.Setup(m => m.IsOpen).Returns(true);
firstChannel.Setup(m => m.CreateBasicProperties()).Returns(() => new BasicProperties());
var secondChannel = new Mock<IModel>();
secondChannel.Setup(m => m.IsOpen).Returns(true);
secondChannel.Setup(m => m.CreateBasicProperties()).Returns(() => new BasicProperties());
var singleConnectionFactory = new SingleConnectionFactory(mockConnectionFactory.Object);
mockConnectionFactory.Setup(m => m.CreateConnection()).Returns(mockConnection.Object);
mockConnection.Setup(m => m.IsOpen).Returns(true);
var tooManyChannels = new BlockingCollection<Exception>(1);
var done = false;
mockConnection.Setup(m => m.CreateModel()).Returns(
() =>
{
if (!done)
{
done = true;
return firstChannel.Object;
}
return secondChannel.Object;
});
var consumer = new BlockingCollection<IBasicConsumer>(1);
firstChannel.Setup(m => m.BasicConsume(It.IsAny<string>(), It.IsAny<bool>(), It.IsAny<IBasicConsumer>())).Callback<string, bool, IBasicConsumer>(
(a1, a2, a3) => consumer.Add(a3));
var commitLatch = new CountdownEvent(1);
firstChannel.Setup(m => m.TxCommit()).Callback(() => commitLatch.Signal());
var latch = new CountdownEvent(1);
var exposed = new AtomicReference<IModel>();
var container = new SimpleMessageListenerContainer(singleConnectionFactory);
var mockListener = new Mock<IChannelAwareMessageListener>();
mockListener.Setup(m => m.OnMessage(It.IsAny<Message>(), It.IsAny<IModel>())).Callback<Message, IModel>(
(message, channel) =>
{
exposed.LazySet(channel);
var rabbitTemplate = new RabbitTemplate(singleConnectionFactory);
rabbitTemplate.ChannelTransacted = true;
// should use same channel as container
rabbitTemplate.ConvertAndSend("foo", "bar", "baz");
latch.Signal();
});
container.MessageListener = mockListener.Object;
container.QueueNames = new[] { "queue" };
container.ChannelTransacted = true;
container.ExposeListenerChannel = false;
container.ShutdownTimeout = 100;
container.AfterPropertiesSet();
container.Start();
IBasicConsumer currentConsumer;
consumer.TryTake(out currentConsumer, timeout);
Assert.IsNotNull(currentConsumer, "Timed out getting consumer.");
currentConsumer.HandleBasicDeliver("qux", 1, false, "foo", "bar", new BasicProperties(), new byte[] { 0 });
Assert.IsTrue(latch.Wait(new TimeSpan(0, 0, 10)));
var e = tooManyChannels.Count;
if (e > 0)
{
throw tooManyChannels.Take();
}
// once for listener, once for exposed + 0 for template (used bound)
mockConnection.Verify(m => m.CreateModel(), Times.Exactly(2));
Assert.IsTrue(commitLatch.Wait(new TimeSpan(0, 0, 10)));
firstChannel.Verify(m => m.TxCommit(), Times.Once());
secondChannel.Verify(m => m.TxCommit(), Times.Once());
secondChannel.Verify(m => m.BasicPublish(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<bool>(), It.IsAny<bool>(), It.IsAny<IBasicProperties>(), It.IsAny<byte[]>()), Times.Once());
Assert.AreSame(secondChannel.Object, exposed.Value);
firstChannel.Verify(m => m.Close(), Times.Never());
secondChannel.Verify(m => m.Close(), Times.Once());
container.Stop();
}
public void TestChannelAwareMessageListener()
{
var mockConnectionFactory = new Mock<ConnectionFactory>();
var mockConnection = new Mock<IConnection>();
var onlyChannel = new Mock<IModel>();
onlyChannel.Setup(m => m.IsOpen).Returns(true);
onlyChannel.Setup(m => m.CreateBasicProperties()).Returns(() => new BasicProperties());
var singleConnectionFactory = new SingleConnectionFactory(mockConnectionFactory.Object);
mockConnectionFactory.Setup(m => m.CreateConnection()).Returns(mockConnection.Object);
mockConnection.Setup(m => m.IsOpen).Returns(true);
var tooManyChannels = new AtomicReference<Exception>();
var done = false;
mockConnection.Setup(m => m.CreateModel()).Returns(
() =>
{
if (!done)
{
done = true;
return onlyChannel.Object;
}
tooManyChannels.LazySet(new Exception("More than one channel requested"));
var internalChannel = new Mock<IModel>();
internalChannel.Setup(m => m.IsOpen).Returns(true);
return internalChannel.Object;
});
var consumer = new BlockingCollection<IBasicConsumer>(1);
onlyChannel.Setup(m => m.BasicConsume(It.IsAny<string>(), It.IsAny<bool>(), It.IsAny<IBasicConsumer>())).Callback<string, bool, IBasicConsumer>(
(a1, a2, a3) => consumer.Add(a3));
var commitLatch = new CountdownEvent(1);
onlyChannel.Setup(m => m.TxCommit()).Callback(
() =>
{
if (commitLatch.CurrentCount > 0)
{
commitLatch.Signal();
}
});
var latch = new CountdownEvent(1);
var exposed = new AtomicReference<IModel>();
var container = new SimpleMessageListenerContainer(singleConnectionFactory);
var mockListener = new Mock<IChannelAwareMessageListener>();
mockListener.Setup(m => m.OnMessage(It.IsAny<Message>(), It.IsAny<IModel>())).Callback<Message, IModel>(
(message, channel) =>
{
exposed.LazySet(channel);
var rabbitTemplate = new RabbitTemplate(singleConnectionFactory);
rabbitTemplate.ChannelTransacted = true;
// should use same channel as container
rabbitTemplate.ConvertAndSend("foo", "bar", "baz");
if (latch.CurrentCount > 0)
{
latch.Signal();
}
});
container.MessageListener = mockListener.Object;
container.QueueNames = new[] { "queue" };
container.ChannelTransacted = true;
container.ShutdownTimeout = 100;
container.TransactionManager = DummyTxManager.Instance();
container.AfterPropertiesSet();
container.Start();
IBasicConsumer currentConsumer;
consumer.TryTake(out currentConsumer, this.timeout);
Assert.IsNotNull(currentConsumer, "Timed out getting consumer.");
currentConsumer.HandleBasicDeliver("qux", 1, false, "foo", "bar", new BasicProperties(), new byte[] { 0 });
Assert.IsTrue(latch.Wait(new TimeSpan(0, 0, 10)));
var e = tooManyChannels.Value;
if (e != null)
{
throw e;
}
mockConnection.Verify(m => m.CreateModel(), Times.Once());
Assert.IsTrue(commitLatch.Wait(new TimeSpan(0, 0, 10)));
onlyChannel.Verify(m => m.TxCommit(), Times.Once());
onlyChannel.Verify(m => m.BasicPublish(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<bool>(), It.IsAny<bool>(), It.IsAny<IBasicProperties>(), It.IsAny<byte[]>()), Times.Once());
// verify close() was never called on the channel
onlyChannel.Verify(m => m.Close(), Times.Never());
container.Stop();
container.Dispose();
container = null;
Assert.AreSame(onlyChannel.Object, exposed.Value);
}
public void TestListenerSendsMessageAndThenRollback()
{
var connectionFactory = CreateConnectionFactory();
var template = new RabbitTemplate(connectionFactory);
new RabbitAdmin(connectionFactory).DeclareQueue(sendQueue);
acknowledgeMode = AcknowledgeModeUtils.AcknowledgeMode.AUTO;
transactional = true;
var latch = new CountdownEvent(1);
container = CreateContainer(queue.Name, new ChannelSenderListener(sendQueue.Name, latch, true), connectionFactory);
template.ConvertAndSend(queue.Name, "foo");
var timeout = GetTimeout();
logger.Debug("Waiting for messages with timeout = " + timeout + " (s)");
var waited = latch.Wait(timeout * 1000);
Assert.True(waited, "Timed out waiting for message");
container.Stop();
Thread.Sleep(200);
// Foo message is redelivered
Assert.AreEqual("foo", template.ReceiveAndConvert(queue.Name));
// Sending of bar message is also rolled back
Assert.Null(template.ReceiveAndConvert(sendQueue.Name));
}
public void TestListenerRecoversFromClosedChannelAndStop()
{
var template = new RabbitTemplate(CreateConnectionFactory());
var latch = new CountdownEvent(messageCount);
container = CreateContainer(queue.Name, new AbortChannelListener(latch), CreateConnectionFactory());
Thread.Sleep(500);
Assert.AreEqual(concurrentConsumers, container.ActiveConsumerCount);
for (var i = 0; i < messageCount; i++)
{
template.ConvertAndSend(queue.Name, i + "foo");
}
var timeout = GetTimeout();
logger.Debug("Waiting for messages with timeout = " + timeout + " (s)");
var waited = latch.Wait(timeout * 1000);
Assert.True(waited, "Timed out waiting for message");
Assert.Null(template.ReceiveAndConvert(queue.Name));
Assert.AreEqual(concurrentConsumers, container.ActiveConsumerCount);
container.Stop();
Assert.AreEqual(0, container.ActiveConsumerCount);
}
