private void WaitAnyCallback(IAsyncResult asyncResult)
{
AsyncResult ar = (AsyncResult)asyncResult;
RemoteAsyncDelegate remoteDel = (RemoteAsyncDelegate)ar.AsyncDelegate;
Message responseMessage = remoteDel.EndInvoke(asyncResult);
CallbackState state = (CallbackState)ar.AsyncState;
Message originalMessage = state.OriginalMessage;
string remoteUrl = state.RemoteUrl;
lock (ReplyResultQueue)
{
ReplyResultQueue.TryGetValue(originalMessage, out var replyResult);
if (replyResult == null)
{
return;
}
// save the result
replyResult.AddResult(remoteUrl, responseMessage);
// if ANY result, notify the caller (the one who initiated the multi-cast)
if (replyResult.IsDone())
{
PulseMessage(originalMessage);
}
}
}
private void MulticastSingleUrl(string remoteURL, Message message, AsyncCallback asyncCallback)
{
var remotingEndpoint = GetRemoteEndpoint(remoteURL);
try {
RemoteAsyncDelegate remoteDel = remotingEndpoint.OnReceiveMessage;
CallbackState state = new CallbackState(message, remoteURL);
remoteDel.BeginInvoke(message, asyncCallback, state);
}
catch (Exception e) {
Log("Server at " + remoteURL + " is unreachable.");
throw;
}
}