public bool CommitIfNecessary(bool localTx)
{
if (DeliveryTags.Count == 0)
{
return(false);
}
var isLocallyTransacted = localTx || (Transactional && TransactionSynchronizationManager.GetResource(ConnectionFactory) == null);
try
{
var ackRequired = !AcknowledgeMode.IsAutoAck() && !AcknowledgeMode.IsManual();
if (ackRequired && (!Transactional || isLocallyTransacted))
{
var deliveryTag = new List <ulong>(DeliveryTags)[DeliveryTags.Count - 1];
Channel.BasicAck(deliveryTag, true);
}
if (isLocallyTransacted)
{
// For manual acks we still need to commit
RabbitUtils.CommitIfNecessary(Channel);
}
}
finally
{
DeliveryTags.Clear();
}
return(true);
}
public Models.UrlRequest Post()
{
if (!Request.Form.ContainsKey("url"))
{
return(null);
}
var urls = Request.Form["url"];
var request = new Models.UrlRequest
{
Urls = urls,
};
var requestString = JsonConvert.SerializeObject(request);
var factory = RabbitUtils.GetRabbitConnection();
using (var connection = factory.CreateConnection())
using (var channel = connection.CreateModel())
{
channel.QueueDeclare(queue: "URL",
durable: false,
exclusive: false,
autoDelete: false,
arguments: null);
var body = Encoding.UTF8.GetBytes(requestString);
channel.BasicPublish(exchange: "",
routingKey: "URL",
basicProperties: null,
body: body);
Console.WriteLine("[URL] Sent {0}", requestString);
}
return(request);
}
private SimpleConsumer Consume(string queue, Connection.IConnection connection)
{
R.IModel channel = null;
SimpleConsumer consumer = null;
try
{
channel = connection.CreateChannel(IsChannelTransacted);
channel.BasicQos(0, (ushort)PrefetchCount, false); // TODO: Verify this
consumer = new SimpleConsumer(this, connection, channel, queue);
channel.QueueDeclarePassive(queue);
consumer.ConsumerTag = channel.BasicConsume(
queue,
AcknowledgeMode.IsAutoAck(),
ConsumerTagStrategy != null ? ConsumerTagStrategy.CreateConsumerTag(queue) : string.Empty,
NoLocal,
Exclusive,
ConsumerArguments,
consumer);
}
// catch (AmqpApplicationContextClosedException e)
// {
// throw new AmqpConnectException(e);
// }
catch (Exception e)
{
RabbitUtils.CloseChannel(channel, _logger);
RabbitUtils.CloseConnection(connection, _logger);
consumer = HandleConsumeException(queue, consumer, e);
}
return(consumer);
}
private void CleanUpAfterInvoke(RabbitResourceHolder resourceHolder, R.IModel channelToUse, bool boundHere)
{
if (resourceHolder != null && boundHere)
{
// so the channel exposed (because exposeListenerChannel is false) will be closed
resourceHolder.SynchronizedWithTransaction = false;
}
ConnectionFactoryUtils.ReleaseResources(resourceHolder); // NOSONAR - null check in method
if (boundHere)
{
// unbind if we bound
TransactionSynchronizationManager.UnbindResource(ConnectionFactory);
if (!ExposeListenerChannel && IsChannelLocallyTransacted)
{
/*
* commit the temporary channel we exposed; the consumer's channel
* will be committed later. Note that when exposing a different channel
* when there's no transaction manager, the exposed channel is committed
* on each message, and not based on txSize.
*/
RabbitUtils.CommitIfNecessary(channelToUse, _logger);
}
}
}
private void Rollback(ulong deliveryTag, Exception e)
{
if (_container.IsChannelTransacted)
{
RabbitUtils.RollbackIfNecessary(Model);
}
if (AckRequired || ContainerUtils.IsRejectManual(e))
{
try
{
if (MessagesPerAck > 1)
{
lock (_lock)
{
if (PendingAcks > 0)
{
SendAck(DateTimeOffset.Now.ToUnixTimeMilliseconds());
}
}
}
Model.BasicNack(deliveryTag, true, ContainerUtils.ShouldRequeue(_container.DefaultRequeueRejected, e, _logger));
}
catch (IOException e1)
{
_logger?.LogError("Failed to nack message", e1);
}
}
if (_container.IsChannelTransacted)
{
RabbitUtils.CommitIfNecessary(Model);
}
}
private void CancelConsumer(SimpleConsumer consumer)
{
try
{
_logger?.LogDebug("Canceling " + consumer);
lock (consumer)
{
consumer.Canceled = true;
if (MessagesPerAck > 1)
{
try
{
consumer.AckIfNecessary(0L);
}
catch (IOException e)
{
_logger?.LogError("Exception while sending delayed ack", e);
}
}
}
RabbitUtils.Cancel(consumer.Model, consumer.ConsumerTag, _logger);
}
finally
{
_consumers.Remove(consumer);
ConsumerRemoved(consumer);
}
}
public void Stop()
{
if (AbortStarted == 0)
{
AbortStarted = DateTimeOffset.Now.ToUnixTimeMilliseconds();
}
if (!Cancelled)
{
try
{
RabbitUtils.CloseMessageConsumer(Channel, GetConsumerTags(), Transactional);
}
catch (Exception e)
{
Logger?.LogDebug(e, "Error closing consumer: {consumer}", ToString());
}
}
Logger?.LogDebug("Closing Rabbit Channel : {channel}", Channel);
RabbitUtils.SetPhysicalCloseRequired(Channel, true);
ConnectionFactoryUtils.ReleaseResources(ResourceHolder);
DeliveryTags.Clear();
_ = Consumers.TakeWhile((kvp) => Consumers.Count > 0);
_ = Queue.TakeWhile((d) => Queue.Count > 0);
}
public string Get(string id)
{
if (String.IsNullOrWhiteSpace(id))
{
return("No ticket number provided");
}
var factory = RabbitUtils.GetRabbitConnection();
using (var connection = factory.CreateConnection())
using (var channel = connection.CreateModel())
{
channel.QueueDeclare(queue: "JIRA",
durable: false,
exclusive: false,
autoDelete: false,
arguments: null);
var body = Encoding.UTF8.GetBytes(id);
channel.BasicPublish(exchange: "",
routingKey: "JIRA",
basicProperties: null,
body: body);
Console.WriteLine("[JIRA] Sent {0}", id);
}
return("Ticket accepted");
}
private void FinalizeConsumer()
{
RabbitUtils.SetPhysicalCloseRequired(Model, true);
RabbitUtils.CloseChannel(Model);
RabbitUtils.CloseConnection(_connection);
_container._cancellationLock.Release(this);
_container.ConsumerRemoved(this);
}
/// <summary>
/// Disposes this instance.
/// </summary>
public void Dispose()
{
if (this.target != null)
{
this.outer.ConnectionListener.OnClose(this.target);
RabbitUtils.CloseConnection(this.target);
}
this.target = null;
}
public void Destroy()
{
if (Target != null)
{
_factory.ConnectionListener.OnClose(Target);
RabbitUtils.CloseConnection(Target);
}
Target = null;
}
public void TestUninterruptibleListenerDMLC()
{
var cf = new CachingConnectionFactory("localhost");
var admin = new RabbitAdmin(cf);
admin.DeclareQueue(new Config.Queue("test.shutdown"));
var container = new DirectMessageListenerContainer(null, cf)
{
ShutdownTimeout = 500
};
container.SetQueueNames("test.shutdown");
var latch = new CountdownEvent(1);
var testEnded = new CountdownEvent(1);
var listener = new TestListener(latch, testEnded);
container.MessageListener = listener;
var connection = cf.CreateConnection() as ChannelCachingConnectionProxy;
// var channels = TestUtils.getPropertyValue(connection, "target.delegate._channelManager._channelMap");
var field = typeof(RC.Framing.Impl.Connection)
.GetField("m_sessionManager", BindingFlags.Instance | BindingFlags.NonPublic);
Assert.NotNull(field);
var channels = (SessionManager)field.GetValue(connection.Target.Connection);
Assert.NotNull(channels);
container.Start();
Assert.True(container._startedLatch.Wait(TimeSpan.FromSeconds(10)));
try
{
var template = new RabbitTemplate(cf);
template.Execute(c =>
{
var properties = c.CreateBasicProperties();
var bytes = EncodingUtils.GetDefaultEncoding().GetBytes("foo");
c.BasicPublish(string.Empty, "test.shutdown", false, properties, bytes);
RabbitUtils.SetPhysicalCloseRequired(c, false);
});
Assert.True(latch.Wait(TimeSpan.FromSeconds(30)));
Assert.Equal(2, channels.Count);
}
finally
{
container.Stop();
Assert.Equal(1, channels.Count);
cf.Destroy();
testEnded.Signal();
admin.DeleteQueue("test.shutdown");
}
}
protected override object DoReceive()
{
var connection = ConnectionFactory.CreateConnection();
var channel = connection.CreateChannel(Transacted);
try
{
var resp = channel.BasicGet(QueueName, false);
if (resp == null)
{
RabbitUtils.CloseChannel(channel);
RabbitUtils.CloseConnection(connection);
return(null);
}
var callback = AckCallbackFactory.CreateCallback(new RabbitAckInfo(connection, channel, Transacted, resp));
var envelope = new Envelope(resp.DeliveryTag, resp.Redelivered, resp.Exchange, resp.RoutingKey);
var messageProperties = MessageHeaderConverter.ToMessageHeaders(resp.BasicProperties, envelope, EncodingUtils.Utf8);
var accessor = RabbitHeaderAccessor.GetMutableAccessor(messageProperties);
accessor.ConsumerQueue = this.QueueName;
// Map<String, Object> headers = this.headerMapper.toHeadersFromRequest(messageProperties);
var message = Message.Create <byte[]>(resp.Body, accessor.MessageHeaders);
object payload;
if (BatchingStrategy.CanDebatch(message.Headers))
{
var payloads = new List <object>();
BatchingStrategy.DeBatch(message, fragment => payloads.Add(MessageConverter.FromMessage(fragment, null)));
payload = payloads;
}
else
{
payload = MessageConverter.FromMessage(message, null);
}
var builder = MessageBuilderFactory.WithPayload(payload)
.CopyHeaders(accessor.MessageHeaders)
.SetHeader(IntegrationMessageHeaderAccessor.ACKNOWLEDGMENT_CALLBACK, callback);
if (RawMessageHeader)
{
builder.SetHeader(RabbitMessageHeaderErrorMessageStrategy.AMQP_RAW_MESSAGE, message);
builder.SetHeader(IntegrationMessageHeaderAccessor.SOURCE_DATA, message);
}
return(builder);
}
catch (Exception e)
{
RabbitUtils.CloseChannel(channel);
RabbitUtils.CloseConnection(connection);
throw RabbitExceptionTranslator.ConvertRabbitAccessException(e);
}
}
/// <summary>Perform a rollback, handling rollback exceptions properly.</summary>
/// <param name="ex">The thrown application exception.</param>
public virtual void RollbackOnExceptionIfNecessary(Exception ex)
{
var ackRequired = !this.acknowledgeMode.IsAutoAck() && !this.acknowledgeMode.IsManual();
try
{
if (this.transactional)
{
Logger.Debug(m => m("Initiating transaction rollback on application exception"), ex);
RabbitUtils.RollbackIfNecessary(this.channel);
}
if (ackRequired)
{
Logger.Debug(m => m("Rejecting message"));
var shouldRequeue = this.defaultRequeueRejected;
var t = ex;
while (shouldRequeue && t != null)
{
if (t is AmqpRejectAndDontRequeueException)
{
shouldRequeue = false;
}
t = t.InnerException;
}
foreach (var deliveryTag in this.deliveryTags)
{
// With newer RabbitMQ brokers could use basicNack here...
this.channel.BasicReject((ulong)deliveryTag, shouldRequeue);
}
if (this.transactional)
{
// Need to commit the reject (=nack)
RabbitUtils.CommitIfNecessary(this.channel);
}
}
}
catch (Exception e)
{
Logger.Error(m => m("Application exception overriden by rollback exception"), ex);
throw;
}
finally
{
this.deliveryTags.Clear();
}
}
protected void BasicCancel(bool expected)
{
NormalCancel = expected;
GetConsumerTags().ForEach(consumerTag =>
{
if (Channel.IsOpen)
{
RabbitUtils.Cancel(Channel, consumerTag);
}
});
Cancel.Value = true;
AbortStarted = DateTimeOffset.Now.ToUnixTimeMilliseconds();
}
/// <summary>Perform a commit or message acknowledgement, as appropriate</summary>
/// <param name="locallyTransacted">if set to <c>true</c> [locally transacted].</param>
/// <returns>True if committed, else false.</returns>
public bool CommitIfNecessary(bool locallyTransacted)
{
if (this.deliveryTags == null || this.deliveryTags.Count < 1)
{
return(false);
}
try
{
var ackRequired = !this.acknowledgeMode.IsAutoAck() && !this.acknowledgeMode.IsManual();
if (ackRequired)
{
if (this.transactional && !locallyTransacted)
{
// Not locally transacted but it is transacted so it
// could be synchronized with an external transaction
foreach (var deliveryTag in this.deliveryTags)
{
ConnectionFactoryUtils.RegisterDeliveryTag(this.connectionFactory, this.channel, deliveryTag);
}
}
else
{
if (this.deliveryTags != null && this.deliveryTags.Count > 0)
{
var copiedTags = new List <long>(this.deliveryTags);
if (copiedTags.Count > 0)
{
var deliveryTag = copiedTags[copiedTags.Count - 1];
this.channel.BasicAck((ulong)deliveryTag, true);
}
}
}
}
if (locallyTransacted)
{
// For manual acks we still need to commit
RabbitUtils.CommitIfNecessary(this.channel);
}
}
finally
{
this.deliveryTags.Clear();
}
return(true);
}
/// <summary>Sends the given response message to the given destination.</summary>
/// <param name="channel">The channel to operate on.</param>
/// <param name="replyTo">The replyto property to determine where to send a response.</param>
/// <param name="message">The outgoing message about to be sent.</param>
protected virtual void SendResponse(IModel channel, Address replyTo, Message message)
{
this.PostProcessChannel(channel, message);
try
{
Logger.Debug(m => m("Publishing response to exchange = [{0}], routingKey = [{1}]", replyTo.ExchangeName, replyTo.RoutingKey));
channel.BasicPublish(
replyTo.ExchangeName, replyTo.RoutingKey, this.mandatoryPublish, this.immediatePublish, this.messagePropertiesConverter.FromMessageProperties(channel, message.MessageProperties, this.encoding), message.Body);
}
catch (Exception ex)
{
throw RabbitUtils.ConvertRabbitAccessException(ex);
}
}
private List <string> ProcessStackTrace(Exception cause, string exceptionMessage)
{
var stackTraceAsString = cause.StackTrace;
if (MaxStackTraceLength < 0)
{
var maxStackTraceLen = RabbitUtils.GetMaxFrame(ErrorTemplate.ConnectionFactory);
if (maxStackTraceLen > 0)
{
maxStackTraceLen -= FrameMaxHeadroom;
MaxStackTraceLength = maxStackTraceLen;
}
}
return(TruncateIfNecessary(cause, exceptionMessage, stackTraceAsString));
}
private void CheckConsumers(long now)
{
List <SimpleConsumer> consumersToCancel;
lock (_consumersMonitor)
{
consumersToCancel = _consumers
.Where(consumer =>
{
var open = consumer.Model.IsOpen && !consumer.AckFailed && !consumer.TargetChanged;
if (open && MessagesPerAck > 1)
{
try
{
consumer.AckIfNecessary(now);
}
catch (IOException e)
{
_logger?.LogError("Exception while sending delayed ack", e);
}
}
return(!open);
})
.ToList();
}
consumersToCancel
.ForEach(consumer =>
{
try
{
RabbitUtils.CloseMessageConsumer(consumer.Model, new List <string>()
{
consumer.ConsumerTag
}, IsChannelTransacted, _logger);
}
catch (Exception e)
{
_logger?.LogDebug("Error closing consumer " + consumer, e);
}
_logger?.LogError("Consumer canceled - channel closed " + consumer);
consumer.CancelConsumer("Consumer " + consumer + " channel closed");
});
}
static void Main(string[] args)
{
// Setup cancel key (Ctrl-C)
Console.CancelKeyPress += (sender, eArgs) =>
{
_quitEvent.Set();
eArgs.Cancel = true;
};
// Initialize the JIRA listener
Console.WriteLine("[RABBIT][JIRA] Listener starting");
var factory = RabbitUtils.GetRabbitConnection();
using (var connection = factory.CreateConnection())
using (var channel = connection.CreateModel())
{
channel.QueueDeclare(queue: "JIRA",
durable: false,
exclusive: false,
autoDelete: false,
arguments: null);
var consumer = new EventingBasicConsumer(channel);
consumer.Received += (model, ea) =>
{
var body = ea.Body;
var message = Encoding.UTF8.GetString(body);
Console.WriteLine(String.Format("[RABBIT][JIRA] Received: {0}", message));
if (string.IsNullOrWhiteSpace(message))
{
return;
}
// Send this ticket to the Orchestrator
JiraAsync(message).GetAwaiter().GetResult();
};
channel.BasicConsume(queue: "JIRA",
autoAck: true,
consumer: consumer);
Console.WriteLine("[RABBIT][JIRA] Listener started");
// Wait for the Ctrl-C to come through
_quitEvent.WaitOne();
Console.WriteLine("[RABBIT][JIRA] Listener stopping...");
}
}
public void Acknowledge(Status status)
{
// logger.trace("acknowledge(" + status + ") for " + this);
try
{
var deliveryTag = AckInfo.Response.DeliveryTag;
switch (status)
{
case Status.ACCEPT:
AckInfo.Channel.BasicAck(deliveryTag, false);
break;
case Status.REJECT:
AckInfo.Channel.BasicReject(deliveryTag, false);
break;
case Status.REQUEUE:
AckInfo.Channel.BasicReject(deliveryTag, true);
break;
default:
break;
}
if (AckInfo.Transacted)
{
AckInfo.Channel.TxCommit();
}
}
catch (Exception e)
{
throw RabbitExceptionTranslator.ConvertRabbitAccessException(e);
}
finally
{
RabbitUtils.CloseChannel(AckInfo.Channel);
RabbitUtils.CloseConnection(AckInfo.Connection);
IsAcknowledged = true;
}
}
protected virtual void CheckMismatchedQueues()
{
if (MismatchedQueuesFatal && AmqpAdmin != null)
{
try
{
AmqpAdmin.Initialize();
}
catch (AmqpConnectException e)
{
_logger?.LogInformation("Broker not available; cannot check queue declarations", e);
}
catch (AmqpIOException e)
{
if (RabbitUtils.IsMismatchedQueueArgs(e))
{
throw new FatalListenerStartupException("Mismatched queues", e);
}
else
{
_logger?.LogInformation("Failed to get connection during start(): ", e);
}
}
}
else
{
try
{
var connection = ConnectionFactory.CreateConnection();
if (connection != null)
{
connection.Close();
}
}
catch (Exception e)
{
_logger?.LogInformation("Broker not available; cannot force queue declarations during start: " + e.Message);
}
}
}
private void HandleAck(ulong deliveryTag, bool channelLocallyTransacted)
{
/*
* If we have a TX Manager, but no TX, act like we are locally transacted.
*/
var isLocallyTransacted = channelLocallyTransacted ||
(_container.IsChannelTransacted && TransactionSynchronizationManager.GetResource(ConnectionFactory) == null);
try
{
if (AckRequired)
{
if (MessagesPerAck > 1)
{
lock (_lock)
{
LatestDeferredDeliveryTag = deliveryTag;
PendingAcks++;
AckIfNecessary(LastAck);
}
}
else if (!_container.IsChannelTransacted || isLocallyTransacted)
{
Model.BasicAck(deliveryTag, false);
}
}
if (isLocallyTransacted)
{
RabbitUtils.CommitIfNecessary(Model);
}
}
catch (Exception e)
{
AckFailed = true;
_logger?.LogError("Error acking", e);
}
}
/// <summary>
/// Stop the channel.
/// </summary>
public void Stop()
{
this.cancelled.LazySet(true);
if (this.consumer != null && this.consumer.Model != null && this.consumer.ConsumerTag != null && !this.cancelReceived.Value)
{
try
{
RabbitUtils.CloseMessageConsumer(this.consumer.Model, this.consumer.ConsumerTag, this.transactional);
}
catch (Exception ex)
{
Logger.Debug(m => m("Error closing consumer"), ex);
}
}
Logger.Debug("Closing Rabbit Channel: " + this.channel);
RabbitUtils.SetPhysicalCloseRequired(true);
// This one never throws exceptions...
RabbitUtils.CloseChannel(this.channel);
this.deliveryTags.Clear();
this.consumer = null;
}
protected virtual void RedeclareElementsIfNecessary()
{
lock (_lock)
{
var admin = AmqpAdmin;
if (!IsLazyLoad && admin != null && AutoDeclare)
{
try
{
AttemptDeclarations(admin);
}
catch (Exception e)
{
if (RabbitUtils.IsMismatchedQueueArgs(e))
{
throw new FatalListenerStartupException("Mismatched queues", e);
}
_logger?.LogError("Failed to check/redeclare auto-delete queue(s).", e);
}
}
}
}
public void RollbackOnExceptionIfNecessary(Exception ex)
{
bool ackRequired = !AcknowledgeMode.IsAutoAck() && (!AcknowledgeMode.IsManual() || ContainerUtils.IsRejectManual(ex));
try
{
if (Transactional)
{
Logger?.LogDebug(ex, "Initiating transaction rollback on application exception");
RabbitUtils.RollbackIfNecessary(Channel);
}
if (ackRequired)
{
if (DeliveryTags.Count > 0)
{
ulong deliveryTag = DeliveryTags.Max();
Channel.BasicNack(deliveryTag, true, ContainerUtils.ShouldRequeue(DefaultRequeueRejected, ex, Logger));
}
if (Transactional)
{
// Need to commit the reject (=nack)
RabbitUtils.CommitIfNecessary(Channel);
}
}
}
catch (Exception e)
{
Logger?.LogError(ex, "Application exception overridden by rollback exception");
throw RabbitExceptionTranslator.ConvertRabbitAccessException(e); // NOSONAR stack trace loss
}
finally
{
DeliveryTags.Clear();
}
}
public override void HandleBasicDeliver(string consumerTag, ulong deliveryTag, bool redelivered, string exchange, string routingKey, RC.IBasicProperties properties, byte[] body)
{
Logger?.LogDebug("Storing delivery for consumer tag: {tag} with deliveryTag: {deliveryTag} for consumer: {consumer}", ConsumerTag, deliveryTag, ToString());
try
{
var delivery = new Delivery(consumerTag, new Envelope(deliveryTag, redelivered, exchange, routingKey), properties, body, QueueName);
if (Consumer.AbortStarted > 0)
{
if (!Consumer.Queue.TryAdd(delivery, Consumer.ShutdownTimeout))
{
RabbitUtils.SetPhysicalCloseRequired(Model, true);
_ = Consumer.Queue.TakeWhile((d) => Consumer.Queue.Count > 0);
if (!Canceled)
{
RabbitUtils.Cancel(Model, consumerTag);
}
try
{
Model.Close();
}
catch (Exception)
{
// Noop
}
}
}
else
{
Consumer.Queue.TryAdd(delivery);
}
}
catch (Exception e)
{
Logger?.LogWarning(e, "Unexpected exception during delivery");
}
}
/// <summary>The start.</summary>
public void Start()
{
Logger.Debug(m => m("Starting consumer {0}", this));
this.channel = ConnectionFactoryUtils.GetTransactionalResourceHolder(this.connectionFactory, this.transactional).Channel;
this.consumer = new InternalConsumer(this.channel, this);
this.deliveryTags.Clear();
this.activeObjectCounter.Add(this);
var passiveDeclareTries = 3; // mirrored queue might be being moved
while (passiveDeclareTries > 0)
{
passiveDeclareTries--;
try
{
if (!this.acknowledgeMode.IsAutoAck())
{
// Set basicQos before calling basicConsume (otherwise if we are not acking the broker
// will send blocks of 100 messages)
// The Java client includes a convenience method BasicQos(ushort prefetchCount), which sets 0 as the prefetchSize and false as global
this.channel.BasicQos(0, (ushort)this.prefetchCount, false);
}
foreach (var t in this.queues)
{
this.channel.QueueDeclarePassive(t);
}
passiveDeclareTries = 0;
}
catch (Exception e)
{
if (passiveDeclareTries > 0 && this.channel.IsOpen)
{
Logger.Warn(m => m("Reconnect failed; retries left=" + (passiveDeclareTries - 1)), e);
try
{
Thread.Sleep(5000);
}
catch (ThreadInterruptedException e1)
{
Thread.CurrentThread.Interrupt();
}
}
else
{
this.activeObjectCounter.Release(this);
throw new FatalListenerStartupException("Cannot prepare queue for listener. Either the queue doesn't exist or the broker will not allow us to use it.", e);
}
}
}
try
{
foreach (var t in this.queues)
{
this.channel.BasicConsume(t, this.acknowledgeMode.IsAutoAck(), this.consumer);
Logger.Debug(m => m("Started on queue '{0}': {1}", t, this));
}
}
catch (Exception e)
{
throw RabbitUtils.ConvertRabbitAccessException(e);
}
}
/// <summary>Converts a rabbit access exception.</summary>
/// <param name="ex">The ex.</param>
/// <returns>The system exception.</returns>
protected Exception ConvertRabbitAccessException(Exception ex)
{
return(RabbitUtils.ConvertRabbitAccessException(ex));
}
public async Task TestDeclareDelayedExchange()
{
provider = services.BuildServiceProvider();
var rabbitAdmin = provider.GetRabbitAdmin();
var exchange = new DirectExchange("test.delayed.exchange")
{
IsDelayed = true
};
var queue = new Queue(Guid.NewGuid().ToString(), true, false, false);
var exchangeName = exchange.ExchangeName;
var binding = new Binding("baz", queue.QueueName, DestinationType.QUEUE, exchangeName, queue.QueueName, null);
try
{
rabbitAdmin.DeclareExchange(exchange);
}
catch (RabbitIOException e)
{
if (RabbitUtils.IsExchangeDeclarationFailure(e))
{
var inner = e.InnerException;
if (inner.Message.Contains("exchange type 'x-delayed-message'"))
{
return; // Broker doesn't support?
}
}
throw;
}
rabbitAdmin.DeclareQueue(queue);
rabbitAdmin.DeclareBinding(binding);
var cf = provider.GetRabbitConnectionFactory();
var context = provider.GetApplicationContext();
var pp = new TestPostProcessor();
var template = new RabbitTemplate(cf)
{
ReceiveTimeout = 10000
};
template.ConvertAndSend(exchangeName, queue.QueueName, "foo", pp);
var headers = RabbitHeaderAccessor.GetMutableAccessor(new MessageHeaders());
headers.Delay = 500;
var send = MessageBuilder.WithPayload(Encoding.UTF8.GetBytes("foo")).SetHeaders(headers).Build();
template.Send(exchangeName, queue.QueueName, send);
var t1 = DateTimeOffset.Now.ToUnixTimeMilliseconds();
var received = template.Receive(queue.QueueName);
Assert.NotNull(received);
var delay = received.Headers.ReceivedDelay();
Assert.NotNull(delay);
Assert.Equal(500, delay.Value);
received = template.Receive(queue.QueueName);
Assert.NotNull(received);
delay = received.Headers.ReceivedDelay();
Assert.NotNull(delay);
Assert.Equal(1000, delay.Value);
var t2 = DateTimeOffset.Now.ToUnixTimeMilliseconds();
var dif = t2 - t1;
Assert.InRange(dif, 950, 1250);
var config = await GetExchange(exchangeName);
Assert.Equal("direct", config.GetValue <string>("x-delayed-type"));
Assert.Equal("x-delayed-message", config.GetValue <string>("type"));
}
