private void DispatchEvent(SenderEventHandler handler, SenderEventArgs eventArgs)
{
if (handler != null)
{
handler.Invoke(this, eventArgs);
}
}
public void WaitForEvent(SenderEventArgs.SenderEventType eventType, ushort numberOfTimes)
{
switch (eventType)
{
case SenderEventArgs.SenderEventType.Attempted:
_messageAttemptedSynchronizer.Wait(numberOfTimes);
break;
case SenderEventArgs.SenderEventType.Succeeded:
_messageSucceededSynchronizer.Wait(numberOfTimes);
break;
case SenderEventArgs.SenderEventType.Failed:
_messageFailedSynchronizer.Wait(numberOfTimes);
break;
}
}
private void HasResponse(IAsyncResult result)
{
try
{
_client.EndSend(result);
SenderEnvelope envelope = null;
lock (_syncLock)
{
envelope = _sendQueue.Dequeue();
}
_retryTimer.Reset();
var eventArgs = new SenderEventArgs(envelope, SenderEventArgs.SenderEventType.Succeeded);
DispatchEvent(MessageSucceeded, eventArgs);
}
catch (Exception ex)
{
Status = SenderStatus.WaitForRetry;
SenderEnvelope envelope = _sendQueue.Peek();
var eventArgs = new SenderEventArgs(envelope, SenderEventArgs.SenderEventType.Failed);
eventArgs.ErrorMessage = ex.Message;
DispatchEvent(MessageFailed, eventArgs);
_retryTimer.Wait();
}
TryToSendFirstMessageInQueue();
}
private void TryToSendFirstMessageInQueue()
{
if (_sendQueue.Count > 0)
{
SenderEnvelope envelope = _sendQueue.Peek();
envelope.Attempts.Add(DateTime.Now);
Status = SenderStatus.Sending;
_client.BeginSend(envelope.Message, new AsyncCallback(HasResponse));
var eventArgs = new SenderEventArgs(envelope, SenderEventArgs.SenderEventType.Attempted);
DispatchEvent(MessageAttempted, eventArgs);
}
else
{
Status = SenderStatus.Idle;
}
}
