void HandleMessageFailedMaxNumberOfTimes(ReceivedTransportMessage receivedTransportMessage, string errorDetail)
{
var transportMessageToSend = receivedTransportMessage.ToForwardableMessage();
log.Warn("Message {0} is forwarded to error queue", transportMessageToSend.Label);
transportMessageToSend.Headers[Headers.SourceQueue] = receiveMessages.InputQueueAddress;
transportMessageToSend.Headers[Headers.ErrorMessage] = errorDetail;
try
{
sendMessages.Send(errorTracker.ErrorQueueAddress, transportMessageToSend, GetTransactionContext());
}
catch (Exception e)
{
log.Error(e, "Wanted to move message with id {0} to the error queue, but an exception occurred!", receivedTransportMessage.Id);
// what to do? we need to throw again, or the message will not be rolled back and will thus be lost
// - but we want to avoid thrashing, so we just log the badness and relax a little bit - that's
// probably the best we can do
Thread.Sleep(300);
throw;
}
}
void HandleMessageFailedMaxNumberOfTimes(ReceivedTransportMessage receivedTransportMessage, string errorDetail)
{
var transportMessageToSend = receivedTransportMessage.ToForwardableMessage();
log.Warn("Message {0} is forwarded to error queue", transportMessageToSend.Label);
transportMessageToSend.Headers[Headers.SourceQueue] = receiveMessages.InputQueueAddress;
transportMessageToSend.Headers[Headers.ErrorMessage] = errorDetail;
transportMessageToSend.Headers[Headers.Bounced] = "";
try
{
using (var txc = ManagedTransactionContext.Get())
{
sendMessages.Send(errorTracker.ErrorQueueAddress, transportMessageToSend, txc.Context);
}
}
catch (Exception e)
{
log.Error(e, "An error occurred while attempting to move message with id {0} to the error queue '{1}'",
receivedTransportMessage.Id, errorTracker.ErrorQueueAddress);
// what to do? we need to throw again, or the message will not be rolled back and will thus be lost
// - but we want to avoid thrashing, so we just log the badness and relax a little bit - that's
// probably the best we can do
Thread.Sleep(TimeSpan.FromSeconds(1));
throw;
}
}
static void PossiblyCopyToAuditQueue(string auditQueueName, Exception exceptionOrNull, IBus bus, ReceivedTransportMessage message)
{
// if an error occurred, don't do anything
if (exceptionOrNull != null)
{
return;
}
// this one will always be non-null - but still
if (TransactionContext.Current == null)
{
log.Warn("Auditor called outside of a proper transaction context!!! This must be an error.");
return;
}
var rebusBus = bus as RebusBus;
if (rebusBus == null)
{
log.Warn("Current IBus is not a RebusBus, it's a {0} - cannot use {0} for auditing, sorry!", bus.GetType().Name);
return;
}
using (var txc = ManagedTransactionContext.Get())
{
var messageCopy = message.ToForwardableMessage();
messageCopy.Headers[Headers.AuditReason] = Headers.AuditReasons.Handled;
messageCopy.Headers[Headers.AuditSourceQueue] = rebusBus.GetInputQueueAddress();
messageCopy.Headers[Headers.AuditMessageCopyTime] = RebusTimeMachine.Now().ToString("u");
rebusBus.InternalSend(new List <string> {
auditQueueName
}, messageCopy, txc.Context);
var rebusEvents = rebusBus.Events as RebusEvents;
if (rebusEvents == null)
{
log.Warn(
"Current IRebusEvents is not a RebusEvents, it's a {0} - cannot use {0} for raising auditing events, sorry! (the message was properly audited though, it just turned out to be impossible to raise the MessageAudited event!)");
return;
}
rebusEvents.RaiseMessageAudited(rebusBus, messageCopy);
}
}
static void PossiblyCopyToAuditQueue(string auditQueueName, Exception exceptionOrNull, IBus bus, ReceivedTransportMessage message)
{
// if an error occurred, don't do anything
if (exceptionOrNull != null) return;
// this one will always be non-null - but still
if (TransactionContext.Current == null)
{
log.Warn("Auditor called outside of a proper transaction context!!! This must be an error.");
return;
}
var rebusBus = bus as RebusBus;
if (rebusBus == null)
{
log.Warn("Current IBus is not a RebusBus, it's a {0} - cannot use {0} for auditing, sorry!", bus.GetType().Name);
return;
}
using (var txc = ManagedTransactionContext.Get())
{
var messageCopy = message.ToForwardableMessage();
messageCopy.Headers[Headers.AuditReason] = Headers.AuditReasons.Handled;
messageCopy.Headers[Headers.AuditSourceQueue] = rebusBus.GetInputQueueAddress();
messageCopy.Headers[Headers.AuditMessageCopyTime] = RebusTimeMachine.Now().ToString("u");
rebusBus.InternalSend(new List<string> {auditQueueName}, messageCopy, txc.Context);
var rebusEvents = rebusBus.Events as RebusEvents;
if (rebusEvents == null)
{
log.Warn(
"Current IRebusEvents is not a RebusEvents, it's a {0} - cannot use {0} for raising auditing events, sorry! (the message was properly audited though, it just turned out to be impossible to raise the MessageAudited event!)");
return;
}
rebusEvents.RaiseMessageAudited(rebusBus, messageCopy);
}
}
void HandlePost(HttpListenerResponse response, HttpListenerRequest request)
{
using (var reader = new BinaryReader(request.InputStream))
{
var receivedTransportMessage = new ReceivedTransportMessage
{
Id = request.Headers[RebusHttpHeaders.Id],
Body = reader.ReadBytes((int)request.ContentLength64)
};
var headers = new Dictionary <string, string>();
foreach (var rebusHeaderKey in request.Headers.AllKeys.Where(k => k.StartsWith(RebusHttpHeaders.CustomHeaderPrefix)))
{
var value = request.Headers[rebusHeaderKey];
var key = rebusHeaderKey.Substring(RebusHttpHeaders.CustomHeaderPrefix.Length);
headers.Add(key, value);
}
log.Info("Got headers in request: {0}", string.Join(", ", headers.Keys));
receivedTransportMessage.Headers = headers;
log.Info("Received message {0}", receivedTransportMessage.Id);
using (var queue = MsmqMessageQueue.Sender())
{
queue.Send(destinationQueue, receivedTransportMessage.ToForwardableMessage());
}
log.Info("Message was sent to {0}", destinationQueue);
response.StatusCode = (int)HttpStatusCode.OK;
response.Close();
}
}
void HandlePost(HttpListenerResponse response, HttpListenerRequest request)
{
using (var reader = new BinaryReader(request.InputStream))
{
var receivedTransportMessage = new ReceivedTransportMessage
{
Id = request.Headers[RebusHttpHeaders.Id],
Body = reader.ReadBytes((int) request.ContentLength64)
};
var headers = new Dictionary<string, string>();
foreach (var rebusHeaderKey in request.Headers.AllKeys.Where(k => k.StartsWith(RebusHttpHeaders.CustomHeaderPrefix)))
{
var value = request.Headers[rebusHeaderKey];
var key = rebusHeaderKey.Substring(RebusHttpHeaders.CustomHeaderPrefix.Length);
headers.Add(key, value);
}
log.Info("Got headers in request: {0}", string.Join(", ", headers.Keys));
receivedTransportMessage.Headers = headers;
log.Info("Received message {0}", receivedTransportMessage.Id);
using (var queue = MsmqMessageQueue.Sender())
{
queue.Send(destinationQueue, receivedTransportMessage.ToForwardableMessage());
}
log.Info("Message was sent to {0}", destinationQueue);
response.StatusCode = (int) HttpStatusCode.OK;
response.Close();
}
}