static void ProcessResponse(IAsyncResult result)
{
MessageSession session = result.AsyncState as MessageSession;
BrokeredMessage message = session.EndReceive(result);
if (message == null)
{
Console.WriteLine("ERROR: Message Receive Timeout.");
}
else
{
SampleManager.OutputMessageInfo("RESPONSE: ", message);
}
}
private void OnMessage(IAsyncResult ar)
{
BrokeredMessage msg;
try
{
msg = _session.EndReceive(ar);
if (msg == null)
{
_logger.Write(LogLevel.Debug, "Received null message (i.e. the Azure ServiceBus library completed the async op without receiving a message)");
ReceiveMessage();
return;
}
}
catch (Exception exception)
{
_logger.Write(LogLevel.Error, "Failed to EndReceive in " + _sessionId, exception);
BusFailed(this, new ExceptionEventArgs(exception));
return;
}
Guid requestId;
ITaskHandler taskHandler;
try
{
var requestIdStr = (string)msg.ReplyTo;
if (requestIdStr == null)
{
throw new UnknownMessageException(
"Did not find the 'ReplyTo' property in the broker message '" +
msg.ToString() +
"'. Does something else than this library use the configured queue?");
}
if (!Guid.TryParse(requestIdStr, out requestId))
{
throw new UnknownMessageException("Failed to parse 'ReplyTo' as a Guid for msg '" +
msg.ToString() +
"'. Does something else than this library use the configured queue?");
}
if (!_queue.TryRemove(requestId, out taskHandler))
{
throw new UnknownMessageException("Failed to load task handler for request '" + requestId +
"'. Maybe it have been removed due to the timeout time?");
}
}
catch (Exception exception)
{
BusFailed(this, new ExceptionEventArgs(exception));
ReceiveMessage();
return;
}
try
{
var typeName = (string)msg.Properties[MessageProperties.PayloadTypeName];
if (typeName == null)
{
taskHandler.SetException(
new UnknownMessageException(
"Did not find the 'PayloadTypeName' property in the broker message for request '" +
requestId + "'. Does something else than this library use the configured queue?"));
ReceiveMessage();
return;
}
var type = Type.GetType(typeName, false);
if (type == null)
{
taskHandler.SetException(
new UnknownMessageException("Failed to load type '" + typeName +
"'. Have all assemblies been loaded?"));
ReceiveMessage();
return;
}
if (_serializerMethod == null)
{
_serializerMethod = Serializer.Serializer.Instance.GetType().GetMethod("Deserialize");
if (_serializerMethod == null)
{
throw new UnknownMessageException(
"Failed to identify the Deserialize method in Serializer.Instance. Strange.");
}
}
var genMethod = _serializerMethod.MakeGenericMethod(type);
var queryResponse = genMethod.Invoke(Serializer.Serializer.Instance, new object[] { msg });
if (queryResponse is Exception)
{
taskHandler.SetException((Exception)queryResponse);
}
else
{
taskHandler.SetResult(queryResponse);
}
}
catch (Exception exception)
{
BusFailed(this, new ExceptionEventArgs(exception));
}
ReceiveMessage();
}
