private void WaitToSendMessage(WaitingSender <TMessage> waitingSender, Func <Semaphore, bool> waitFunction, Exception failureException)
{
try
{
var messageSent = waitFunction(waitingSender.WaitSemaphore);
if (messageSent)
{
return;
}
Lock();
if (!waitingSender.MessageSent)
{
waitingSenders.Remove(waitingSender);
Unlock();
throw failureException;
} // else the message has actually been sent (a moment later)
Unlock();
}
catch
{
Lock();
if (!waitingSender.MessageSent)
{
waitingSenders.Remove(waitingSender);
}
Unlock();
throw;
}
}
private void Send(TMessage message, Func <Semaphore, bool> waitFunction, Exception failureException)
{
Lock();
if (ConnectedOutlet != null)
{
Unlock();
throw new InvalidOperationException("You cannot send through a connected inlet.");
}
if (!HasWaitingSender())
{
var receiver = Pipe.FindReceiver(this);
if (receiver != null)
{
receiver(message);
Unlock();
return;
}
}
var waitingSender = new WaitingSender <TMessage>(message);
waitingSenders.Add(waitingSender);
Unlock();
WaitToSendMessage(waitingSender, waitFunction, failureException);
}
