private void ThrowOnNonSuccess(XtResultBase xtResult)
{
if (xtResult.IsSuccess == false)
{
throw ZeroMqXtSocketException.FromException(xtResult.Exception);
}
}
///<summary>
/// necessary indirection for the responsehandler to be used in sync or async fashion
///</summary>
private XtResult SetupResponder <T, TResult>(ResponseHandler <T, TResult> handler, CancellationToken token)
where T : class, new()
where TResult : class
{
lock (concurrencyToken)
{
if (responderIsSetup)
{
throw new ZeroMqXtSocketException("Responder for this instance of Socket exists already. Use a new instance for each server!");
}
responderIsSetup = true;
respondingIsActive = true;
}
poller = new NetMQ.NetMQPoller();
responseSocket = new ResponseSocket();
// handle notifies when the server is set up
eventHandle = new ManualResetEvent(false);
// create a new background thread with the response callback
Exception faultingException = null;
_ = Task.Run(() =>
{
try
{
responseSocket.Bind(_configuration.Address());
// add to poller and register handler
poller.Add(responseSocket);
receiveHandler = async(s, e) => await ResponseHandlerCallback(responseSocket, handler, token);
responseSocket.ReceiveReady += receiveHandler;
poller.RunAsync();
}
catch (Exception exception)
{
faultingException = exception;
_configuration.Logger.Log(new ErrorLogMsg(exception.GetType().Name + "-" + exception.Message));
Dispose();
}
finally
{
// open resetevent after binding to the socket and when the poller is started
eventHandle.Set();
}
}, token);
// wait for the Set inside the background thread so we can know at the calling client that the server is set up properly
eventHandle.WaitOne();
return(faultingException == null
? XtResult.Success("setup-response")
: XtResult.Failed(ZeroMqXtSocketException.FromException(faultingException), "setup-response"));
}
