private void StartAccept()
{
// Get a SocketAsyncEventArgs object to accept the connection.
SocketAsyncEventArgs args;
// Get it from the pool if there is more than one in the pool.
// or make a new one.
if (!_acceptArgsPool.TryPop(out args))
{
args = new SocketAsyncEventArgs();
args.Completed += SocketOperationCompleted;
}
// Socket.AcceptAsync begins asynchronous operation to accept the connection.
var willRaiseEvent = _listenSocket.AcceptAsync(args);
// Socket.AcceptAsync returns true if the I/O operation is pending, i.e. is working asynchronously.
if (!willRaiseEvent)
{
// The code in this if (!willRaiseEvent) statement only runs
// when the operation was completed synchronously. It is needed because
// when Socket.AcceptAsync returns false,
// it does NOT raise the SocketAsyncEventArgs.Completed event.
// And we need to call ProcessAccept and pass it the SAEA object.
// This is only when a new connection is being accepted.
Task.Run(() => ProcessAccept(args));
}
_monitor.StartAccept();
}
