public IAsyncResult BeginAccept(AsyncCallback callback, object state)
{
AsyncAcceptRegistration asyncRegistration = new AsyncAcceptRegistration(this, callback, state);
lock (_acceptRegistrations)
_acceptRegistrations.Add(asyncRegistration);
return(null);
}
static private void UDTThreadProcessing()
{
try
{
while (Thread.CurrentThread.IsAlive)
{
//---- Accept
for (int index = _acceptRegistrations.Count - 1; index > -1; index--)
{
Monitor.Enter(_acceptRegistrations);
AsyncAcceptRegistration registration = _acceptRegistrations[index];
Monitor.Exit(_acceptRegistrations);
if (registration.Socket.IsOnAccept)
{
// Stop "BeginAccept"
lock (_acceptRegistrations)
_acceptRegistrations.RemoveAt(index);
// Queue it for the call back
_processor.AddCommand(registration);
}
}
//---- Receive
for (int index = _receiveRegistrations.Count - 1; index > -1; index--)
{
Monitor.Enter(_receiveRegistrations);
AsyncReceiveRegistration registration = _receiveRegistrations[index];
Monitor.Exit(_receiveRegistrations);
if (!registration.Socket.Connected || registration.Socket.IsOnRead)
{
// Stop "BeginReceive"
lock (_receiveRegistrations)
_receiveRegistrations.RemoveAt(index);
// Queue it for the call back
_processor.AddCommand(registration);
}
}
//---- Like "Select" Wait for an event or 1 millisecond
API_WaitForEvent();
}
}
catch (ThreadInterruptedException)
{ }
}
public IAsyncResult BeginAccept(AsyncCallback callback, object state)
{
AsyncAcceptRegistration asyncRegistration = new AsyncAcceptRegistration(this, callback, state);
lock (_acceptRegistrations)
_acceptRegistrations.Add(asyncRegistration);
return null;
}