public void AcceptCallback(IAsyncResult ar)
{
try {
allDone.Set();
Socket listener = (Socket)ar.AsyncState;
Socket handler = listener.EndAccept(ar);
Messenger.CreateNewSession(handler);
handler.Shutdown(SocketShutdown.Both);
handler.Close();
Console.WriteLine("CLSOED");
} catch (Exception e) {
Console.WriteLine(e.ToString());
}
}