private bool Transport_OnMessageArrived(CurrentMessageInformation information)
{
var info = (RhinoFileCurrentMessageInformation)information;
ErrorCounter val = null;
_failureCounts.Read(reader => reader.TryGetValue(info.TransportMessageId, out val));
if (val == null || val.FailureCount < _numberOfRetries)
return false;
var result = false;
_failureCounts.Write(writer =>
{
if (!writer.TryGetValue(info.TransportMessageId, out val))
return;
info.Queue.MoveTo(SubQueue.Errors.ToString(), info.TransportMessage);
info.Queue.EnqueueDirectlyTo(SubQueue.Errors.ToString(), new MessagePayload
{
Data = (val.ExceptionText == null ? null : Encoding.Unicode.GetBytes(val.ExceptionText)),
Headers =
{
{"correlation-id", info.TransportMessageId},
{"retries", val.FailureCount.ToString()}
}
});
result = true;
});
return result;
}
private void TransportOnMessageSent(CurrentMessageInformation currentMessageInformation)
{
var containsNonCachableMessages = currentMessageInformation.AllMessages.Any(x=>x is ICacheableRequest == false);
var cacheableRequests = currentMessageInformation.AllMessages.OfType<ICacheableRequest>();
if(containsNonCachableMessages)
{
// since we are making a non cachable request, the
// _cachable_ requests part of this batch are likely to be
// affected by this message, so we go ahead and expire them
// to avoid showing incorrect data
foreach (var cachableRequestToExpire in cacheableRequests)
{
cache.Remove(cachableRequestToExpire.Key);
}
return;
}
var responses =
from msg in cacheableRequests
let response = cache.Get(msg.Key)
where response != null
select response.Value;
var array = responses.ToArray();
if (array.Length == 0)
return;
bus.ConsumeMessages(array);
}
public bool RaiseAdministrativeMessageArrived(CurrentMessageInformation information)
{
var copy = AdministrativeMessageArrived;
if (copy != null)
return copy(information);
return false;
}
private static void TransportMessageProcessingCompleted(CurrentMessageInformation arg1, Exception arg2)
{
messageArrived = false;
if (session == null)
return;
session.Dispose();
session = null;
}
private void Transport_OnMessageSerializationException(CurrentMessageInformation information, Exception exception)
{
failureCounts.Write(writer => writer.Add(information.MessageId, new ErrorCounter
{
FailureCount = numberOfRetries + 1,
ExceptionText = exception.ToString()
}));
}
private void Transport_OnMessageSerializationException(CurrentMessageInformation info, Exception t)
{
Send(new SerializationErrorMessage
{
MessageId = info.MessageId,
Error = t.ToString(),
Source = info.Source,
});
}
public MessageHandlingCompletion(TransactionScope tx, Action sendMessageBackToQueue, Exception exception, Action<CurrentMessageInformation, Exception> messageCompleted, Action<CurrentMessageInformation> beforeTransactionCommit, ILog logger, Action<CurrentMessageInformation, Exception> messageProcessingFailure, CurrentMessageInformation currentMessageInformation)
{
this.tx = tx;
this.sendMessageBackToQueue = sendMessageBackToQueue;
this.exception = exception;
this.messageCompleted = messageCompleted;
this.beforeTransactionCommit = beforeTransactionCommit;
this.logger = logger;
this.messageProcessingFailure = messageProcessingFailure;
this.currentMessageInformation = currentMessageInformation;
}
public static IDisposable Track(CurrentMessageInformation msg)
{
if(currentContext == null)
return null;
if(msg == null )
return null;
var str = string.Join(", ", msg.AllMessages.Select(o => ToString(o)).ToArray());
currentContext.SetValue(null, str, null);
return new DisposableAction(() => currentContext.SetValue(null, null, null));
}
private void Transport_OnMessageProcessingCompleted(CurrentMessageInformation information, Exception ex)
{
if (ex != null)
return;
ErrorCounter val = null;
_failureCounts.Read(reader => reader.TryGetValue(information.TransportMessageId, out val));
if (val == null)
return;
_failureCounts.Write(writer => writer.Remove(information.TransportMessageId));
}
private void TransportOnMessageProcessingCompleted(
CurrentMessageInformation currentMessageInformation, Exception exception)
{
_logger.Info("TransportOnMessageProcessingCompleted");
if (exception == null)
{
ErrorCounter errorCounter;
_failureCounts.TryRemove(currentMessageInformation.MessageId, out errorCounter);
}
}
private void Transport_OnMessageProcessingCompleted(CurrentMessageInformation info, Exception ex)
{
var timestamp = DateTime.Now;
Send(new MessageProcessingCompletedMessage
{
Timestamp = timestamp,
Duration = timestamp - messageArrival,
MessageType = info.Message.ToString(),
MessageId = info.MessageId,
Source = info.Source,
});
}
public SqlMessageHandlingCompletion(SqlQueueManager sqlQueueManager, Action sendMessageBackToQueue, Exception exception, Action<CurrentMessageInformation, Exception> messageCompleted, Action<CurrentMessageInformation> beforeTransactionCommit, Action<CurrentMessageInformation> beforeTransactionRollback, ILog logger, Action<CurrentMessageInformation, Exception> messageProcessingFailure, CurrentMessageInformation currentMessageInformation)
{
this.sqlQueueManager = sqlQueueManager;
this.sendMessageBackToQueue = sendMessageBackToQueue;
this.exception = exception;
this.messageCompleted = messageCompleted;
this.beforeTransactionCommit = beforeTransactionCommit;
this.beforeTransactionRollback = beforeTransactionRollback;
this.logger = logger;
this.messageProcessingFailure = messageProcessingFailure;
this.currentMessageInformation = currentMessageInformation;
}
private bool TheTransport_OnMessageArrived(CurrentMessageInformation message)
{
var acceptingWork = message.Message as AcceptingWork;
if (acceptingWork != null)
{
TellLoadBalancerThatWeAreReadyToWorkForAllThreads();
return true;
}
return false;
}
private bool TransportOnMessageArrived(CurrentMessageInformation currentMessageInformation)
{
var cachableResponse = currentMessageInformation.Message as ICacheableResponse;
if (cachableResponse == null)
return false;
var alreadyInCache = cache.Get(cachableResponse.Key);
if (alreadyInCache == null || alreadyInCache.Timestamp < cachableResponse.Timestamp)
cache.Put(cachableResponse.Key, cachableResponse.Timestamp, cachableResponse);
return false;
}
bool TransportMessageArrived(CurrentMessageInformation arg)
{
var msg = arg.Message;
bool handled = false;
_routes.OfType<TransportationRoute>().Where(x => msg.GetType().CanBeCastTo(x.InputType))
.Each(x =>
{
var arguments = new TransportationServiceArguments(msg);
arguments.With<IMessageHandledNotifier>(new ActionMessageHandledNotifier(() => handled = true));
x.Invoker.Invoke(arguments, new Dictionary<string, object>());
});
return handled;
}
internal void Transport_OnMessageProcessingFailure(CurrentMessageInformation info, Exception e)
{
string messageType = (info.Message ?? "no message").ToString();
SendInSingleTransaction(new MessageProcessingFailedMessage
{
ErrorText = e.ToString(),
Timestamp = DateTime.Now,
MessageType = messageType,
MessageId = info.MessageId,
Source = info.Source,
Message = info.Message
});
}
public object[] GatherConsumers(CurrentMessageInformation msg)
{
var message = msg.Message;
object[] sagas = GetSagasFor(message);
var sagaMessage = message as ISagaMessage;
var msgType = message.GetType();
object[] instanceConsumers = subscriptionStorage
.GetInstanceSubscriptions(msgType);
var consumerTypes = reflection.GetGenericTypesOfWithBaseTypes(typeof(ConsumerOf <>), message);
var occasionalConsumerTypes = reflection.GetGenericTypesOfWithBaseTypes(typeof(OccasionalConsumerOf <>), message);
var consumers = GetAllNonOccasionalConsumers(consumerTypes, occasionalConsumerTypes, sagas);
for (var i = 0; i < consumers.Length; i++)
{
var saga = consumers[i] as IAccessibleSaga;
if (saga == null)
{
continue;
}
// if there is an existing saga, we skip the new one
var type = saga.GetType();
if (sagas.Any(type.IsInstanceOfType))
{
serviceLocator.Release(consumers[i]);
consumers[i] = null;
continue;
}
// we do not create new sagas if the saga is not initiated by
// the message
var initiatedBy = reflection.GetGenericTypeOf(typeof(InitiatedBy <>), msgType);
if (initiatedBy.IsInstanceOfType(saga) == false)
{
serviceLocator.Release(consumers[i]);
consumers[i] = null;
continue;
}
saga.Id = sagaMessage != null ?
sagaMessage.CorrelationId :
GuidCombGenerator.Generate();
}
return(instanceConsumers
.Union(sagas)
.Union(consumers.Where(x => x != null))
.ToArray());
}
private void Transport_OnMessageSent(CurrentMessageInformation info)
{
if (info.AllMessages.OfType<ILogMessage>().Any())
return;
Send(new MessageSentMessage
{
MessageId = info.MessageId,
Source = info.Source,
Message = info.AllMessages,
MessageType = info.AllMessages[0].ToString(),
Timestamp = DateTime.Now,
Destination = info.Destination
});
}
public static bool ProcessSingleMessage(
CurrentMessageInformation currentMessageInformation,
Func<CurrentMessageInformation, bool> messageRecieved)
{
if (messageRecieved == null)
return false;
foreach (Func<CurrentMessageInformation, bool> func in messageRecieved.GetInvocationList())
{
if (func(currentMessageInformation))
{
return true;
}
}
return false;
}
public void ConsumeMessages(params object[] messages)
{
foreach (var message in messages)
{
var currentMessageInfo = new CurrentMessageInformation
{
AllMessages = messages,
Message = message,
MessageId = Guid.NewGuid(),
Destination = transport.Endpoint.Uri,
Source = transport.Endpoint.Uri,
TransportMessageId = "ConsumeMessages"
};
Transport_OnMessageArrived(currentMessageInfo);
}
}
private void Transport_OnMessageProcessingFailure(CurrentMessageInformation information, Exception ex)
{
_failureCounts.Write(writer =>
{
ErrorCounter errorCounter;
if (writer.TryGetValue(information.TransportMessageId, out errorCounter) == false)
{
errorCounter = new ErrorCounter
{
ExceptionText = (ex == null ? null : ex.ToString()),
FailureCount = 0
};
writer.Add(information.TransportMessageId, errorCounter);
}
errorCounter.FailureCount += 1;
});
}
private bool Transport_OnAdministrativeMessageArrived(CurrentMessageInformation info)
{
var route = info.Message as Reroute;
if (route == null)
{
return(false);
}
endpointRouter.RemapEndpoint(route.OriginalEndPoint, route.NewEndPoint);
var reroutedEndpoint = ReroutedEndpoint;
if (reroutedEndpoint != null)
{
reroutedEndpoint(route);
}
return(true);
}
private void Transport_OnMessageSerializationException(CurrentMessageInformation information, Exception exception)
{
var info = (SqlQueueCurrentMessageInformation) information;
failureCounts.Write(writer => writer.Add(info.TransportMessageId, new ErrorCounter
{
ExceptionText = exception == null ? null : exception.ToString(),
FailureCount = numberOfRetries + 1
}));
info.Queue.MoveTo(SubQueue.Errors.ToString(), info.TransportMessage);
info.Queue.EnqueueDirectlyTo(SubQueue.Errors.ToString(), new MessagePayload
{
Data = exception == null ? null : Encoding.Unicode.GetBytes(exception.ToString()),
Headers =
{
{"correlation-id", info.TransportMessageId},
{"retries", "1"}
}
});
}
private void TransportOnMessageProcessingFailure(
CurrentMessageInformation currentMessageInformation, Exception exception)
{
_logger.Error("TransportOnMessageProcessingFailure", exception);
ErrorCounter updatedErrorCounter =
_failureCounts.AddOrUpdate(currentMessageInformation.MessageId,
guid => new ErrorCounter(exception.ToString(), 1),
delegate(Guid guid, ErrorCounter counter)
{
counter.FailureCount++;
return counter;
});
if (updatedErrorCounter.FailureCount >= _numberOfRetries)
{
ErrorCounter errCounter;
if (_failureCounts.TryRemove(currentMessageInformation.MessageId, out errCounter))
{
_bus.SendToSelfNoThrow(new FailedToProcessMessageEvent(currentMessageInformation.TransportMessageId,
currentMessageInformation.Message, updatedErrorCounter.ExceptionText));
}
}
}
public bool HandleAdministrativeMessage(CurrentMessageInformation msgInfo)
{
var addSubscription = msgInfo.Message as AddSubscription;
if (addSubscription != null)
{
return ConsumeAddSubscription(addSubscription);
}
var removeSubscription = msgInfo.Message as RemoveSubscription;
if (removeSubscription != null)
{
return ConsumeRemoveSubscription(removeSubscription);
}
var addInstanceSubscription = msgInfo.Message as AddInstanceSubscription;
if (addInstanceSubscription != null)
{
return ConsumeAddInstanceSubscription(addInstanceSubscription);
}
var removeInstanceSubscription = msgInfo.Message as RemoveInstanceSubscription;
if (removeInstanceSubscription != null)
{
return ConsumeRemoveInstanceSubscription(removeInstanceSubscription);
}
return false;
}
public void RaiseAdministrativeMessageProcessingCompleted(CurrentMessageInformation information, Exception ex)
{
var copy = AdministrativeMessageProcessingCompleted;
if (copy != null)
copy(information, ex);
}
private bool ConsumeAddSubscription(CurrentMessageInformation msgInfo, AddSubscription addSubscription)
{
bool newSubscription = AddSubscription(addSubscription.Type, addSubscription.Endpoint.Uri.ToString());
var msmqMsgInfo = msgInfo as MsmqCurrentMessageInformation;
if (msmqMsgInfo != null && newSubscription)
{
Message message = msmqMsgInfo.MsmqMessage;
msmqMsgInfo.Queue.Send(
message.SetSubQueueToSendTo(SubQueue.Subscriptions));
AddMessageIdentifierForTracking(
message.Id,
addSubscription.Type,
addSubscription.Endpoint.Uri);
return true;
}
AddMessageIdentifierForTracking(
msgInfo.TransportMessageId,
addSubscription.Type,
addSubscription.Endpoint.Uri);
return false;
}
private bool ConsumeAddInstanceSubscription(CurrentMessageInformation msgInfo, AddInstanceSubscription subscription)
{
remoteInstanceSubscriptions.Add(
subscription.InstanceSubscriptionKey,
subscription.Type,
new Uri(subscription.Endpoint),
msgInfo.TransportMessageId);
var msmqMsgInfo = msgInfo as MsmqCurrentMessageInformation;
if (msmqMsgInfo != null)
{
msmqMsgInfo.Queue.Send(
msmqMsgInfo.MsmqMessage.SetSubQueueToSendTo(SubQueue.Subscriptions));
}
RaiseSubscriptionChanged();
return true;
}
private void Transport_OnMessageProcessingCompleted(CurrentMessageInformation t1, Exception t2)
{
TellLoadBalancerThatWeAreReadyForWork();
}
public bool Transport_OnMessageArrived(CurrentMessageInformation msg)
{
var consumers = GatherConsumers(msg);
if (consumers.Length == 0)
{
logger.ErrorFormat("Got message {0}, but had no consumers for it", msg.Message);
return(false);
}
try
{
currentMessage = msg.Message;
foreach (var consumer in consumers)
{
logger.DebugFormat("Invoking consume on {0} for message {1}, from '{2}' to '{3}'",
consumer,
msg.Message,
msg.Source,
msg.Destination);
var sp = Stopwatch.StartNew();
try
{
reflection.InvokeConsume(consumer, msg.Message);
}
catch (Exception e)
{
if (logger.IsDebugEnabled)
{
var message = string.Format("Consumer {0} failed to process message {1}",
consumer,
msg.Message
);
logger.Debug(message, e);
}
throw;
}
finally
{
sp.Stop();
var elapsed = sp.Elapsed;
logger.DebugFormat("Consumer {0} finished processing {1} in {2}", consumer, msg.Message, elapsed);
}
var sagaEntity = consumer as IAccessibleSaga;
if (sagaEntity == null)
{
continue;
}
PersistSagaInstance(sagaEntity);
}
return(true);
}
finally
{
currentMessage = null;
foreach (var consumer in consumers)
{
serviceLocator.Release(consumer);
}
}
}
private void Transport_OnMessageSerializationException(CurrentMessageInformation information, Exception ex)
{
var info = (RhinoFileCurrentMessageInformation)information;
_failureCounts.Write(writer => writer.Add(info.TransportMessageId, new ErrorCounter
{
ExceptionText = (ex == null ? null : ex.ToString()),
FailureCount = _numberOfRetries + 1
}));
using (var tx = new TransactionScope(TransactionScopeOption.RequiresNew))
{
info.Queue.MoveTo(SubQueue.Errors.ToString(), info.TransportMessage);
info.Queue.EnqueueDirectlyTo(SubQueue.Errors.ToString(), new MessagePayload
{
Data = (ex == null ? null : Encoding.Unicode.GetBytes(ex.ToString())),
Headers =
{
{"correlation-id", info.TransportMessageId},
{"retries", "1"}
}
});
tx.Complete();
}
}
private bool Transport_OnMessageArrived(CurrentMessageInformation info)
{
messageArrival = DateTime.Now;
Send(new MessageArrivedMessage
{
Timestamp = messageArrival,
MessageType = info.Message.ToString(),
MessageId = info.MessageId,
Source = info.Source,
Message = info.Message
});
return false;
}
private bool ConsumeAddSubscription(CurrentMessageInformation msgInfo, AddSubscription addSubscription)
{
bool newSubscription = AddSubscription(addSubscription.Type, addSubscription.Endpoint);
AddMessageIdentifierForTracking(msgInfo.MessageId.ToString(), addSubscription.Type,
new Uri(addSubscription.Endpoint));
var msmqMsgInfo = msgInfo as MsmqCurrentMessageInformation;
if (msmqMsgInfo != null && newSubscription)
{
queueStrategy.MoveToSubscriptionQueue(msmqMsgInfo.Queue, msmqMsgInfo.MsmqMessage);
return true;
}
return false;
}
private bool ConsumeAddInstanceSubscription(CurrentMessageInformation msgInfo, AddInstanceSubscription subscription)
{
remoteInstanceSubscriptions.Add(
subscription.InstanceSubscriptionKey,
subscription.Type,
new Uri(subscription.Endpoint),
msgInfo.MessageId);
var msmqMsgInfo = msgInfo as MsmqCurrentMessageInformation;
if (msmqMsgInfo != null)
queueStrategy.MoveToSubscriptionQueue(msmqMsgInfo.Queue, msmqMsgInfo.MsmqMessage);
RaiseSubscriptionChanged();
return true;
}
