public void Should_reset_once_the_message_was_received()
{
const int retryLimit = 5;
var tracker = new MessageRetryTracker(retryLimit);
const string id = "qelofjsw";
Assert.IsFalse(tracker.IsRetryLimitExceeded(id));
tracker.IncrementRetryCount(id);
tracker.MessageWasReceivedSuccessfully(id);
for (int i = 0; i < retryLimit; i++)
{
Assert.IsFalse(tracker.IsRetryLimitExceeded(id));
tracker.IncrementRetryCount(id);
}
Assert.IsTrue(tracker.IsRetryLimitExceeded(id));
}
public void IsLimitExceeded_return_false_untill_specified_limit_reached()
{
const int retryLimit = 5;
var tracker = new MessageRetryTracker(retryLimit);
const string id = "qelofjsw";
for (int i = 0; i < retryLimit; i++)
{
Assert.IsFalse(tracker.IsRetryLimitExceeded(id));
tracker.IncrementRetryCount(id);
}
Assert.IsTrue(tracker.IsRetryLimitExceeded(id));
}
public void Should_return_false_until_the_limit_is_exceeded()
{
const int retryLimit = 5;
var tracker = new MessageRetryTracker(retryLimit);
const string id = "qelofjsw";
Exception ex;
for (int i = 0; i < retryLimit; i++)
{
Assert.IsFalse(tracker.IsRetryLimitExceeded(id, out ex));
tracker.IncrementRetryCount(id, ex);
}
Assert.IsTrue(tracker.IsRetryLimitExceeded(id, out ex));
}
private Func <Message, Action <Message> > ReceiveFromTransport(Func <object, Action <object> > receiver)
{
return(message =>
{
if (_tracker.IsRetryLimitExceeded(message.Id))
{
if (_log.IsErrorEnabled)
{
_log.ErrorFormat("Message retry limit exceeded {0}:{1}", Address, message.Id);
}
return MoveMessageToErrorTransport;
}
object messageObj;
try
{
messageObj = Serializer.Deserialize(message.BodyStream);
}
catch (SerializationException sex)
{
if (_log.IsErrorEnabled)
{
_log.Error("Unrecognized message " + Address + ":" + message.Id, sex);
}
_tracker.IncrementRetryCount(message.Id);
return MoveMessageToErrorTransport;
}
if (messageObj == null)
{
return null;
}
Action <object> receive;
try
{
receive = receiver(messageObj);
if (receive == null)
{
if (_log.IsDebugEnabled)
{
_log.DebugFormat("SKIP:{0}:{1}", Address, messageObj.GetType().Name);
}
if (SpecialLoggers.Messages.IsInfoEnabled)
{
SpecialLoggers.Messages.InfoFormat("SKIP:{0}:{1}", Address, messageObj.GetType().Name);
}
return null;
}
}
catch (Exception ex)
{
if (_log.IsErrorEnabled)
{
_log.Error("An exception was thrown preparing the message consumers", ex);
}
_tracker.IncrementRetryCount(message.Id);
return null;
}
return m =>
{
if (_log.IsDebugEnabled)
{
_log.DebugFormat("RECV:{0}:{1}:{2}", Address, m.Id, messageObj.GetType().Name);
}
if (SpecialLoggers.Messages.IsInfoEnabled)
{
SpecialLoggers.Messages.InfoFormat("RECV:{0}:{1}:{2}", Address, m.Id, messageObj.GetType().Name);
}
try
{
receive(messageObj);
_tracker.MessageWasReceivedSuccessfully(message.Id);
}
catch (Exception ex)
{
if (_log.IsErrorEnabled)
{
_log.Error("An exception was thrown by a message consumer", ex);
}
_tracker.IncrementRetryCount(message.Id);
MoveMessageToErrorTransport(m);
}
};
});
}