private async Task ProcessingTaskAsync(byte[] data)
{
var oldContext = Core.ContextGroupName;
try
{
(var body, var correlationId) = NATSQueueClient.GetFromMessageBody(data);
Counters.IncrementTotalReceivingBytes(body.Count);
Core.Log.LibVerbose("Received {0} bytes from the Queue '{1}/{2}'", body.Count, Connection.Route, Connection.Name);
var messageBody = ReceiverSerializer.Deserialize(body, _messageType);
switch (messageBody)
{
case RequestMessage request when request.Header != null:
if (!string.IsNullOrEmpty(request.Header.ContextGroupName))
{
Core.ContextGroupName = request.Header.ContextGroupName;
}
request.Header.ApplicationReceivedTime = Core.Now;
Counters.IncrementReceivingTime(request.Header.TotalTime);
if (request.Header.ClientName != Config.Name)
{
Core.Log.Warning("The Message Client Name '{0}' is different from the Server Name '{1}'", request.Header.ClientName, Config.Name);
}
var evArgs = new RequestReceivedEventArgs(_name, Connection, request, body.Count, SenderSerializer, Config.RequestOptions.ServerReceiverOptions.CancellationBeforeClientResponseTimeoutInSec);
if (request.Header.ResponseQueue != null)
{
evArgs.ResponseQueues.Add(request.Header.ResponseQueue);
}
await OnRequestReceivedAsync(evArgs).ConfigureAwait(false);
break;
case ResponseMessage response when response.Header != null:
if (!string.IsNullOrEmpty(response.Header.Request.Header.ContextGroupName))
{
Core.ContextGroupName = response.Header.Request.Header.ContextGroupName;
}
response.Header.Response.ApplicationReceivedTime = Core.Now;
Counters.IncrementReceivingTime(response.Header.Response.TotalTime);
var evArgs2 = new ResponseReceivedEventArgs(_name, response, body.Count);
await OnResponseReceivedAsync(evArgs2).ConfigureAwait(false);
break;
}
Counters.IncrementTotalMessagesProccesed();
}
catch (Exception ex)
{
Counters.IncrementTotalExceptions();
Core.Log.Write(ex);
Interlocked.Exchange(ref _exceptionSleep, 1);
}
finally
{
Core.ContextGroupName = oldContext;
}
}
private void MessageHandler(object sender, MsgHandlerEventArgs e)
{
Core.Log.LibVerbose("Message received");
try
{
(var body, var correlationId) = NATSQueueClient.GetFromMessageBody(e.Message.Data);
var rMsg = new NATSQMessage
{
CorrelationId = correlationId,
Body = body
};
Task.Run(() => EnqueueMessageToProcessAsync(ProcessingTaskAsync, rMsg));
}
catch (Exception ex)
{
Core.Log.Write(ex);
}
}