static void ProcessMessage(object obj)
{
MsgToProcess MTP = obj as MsgToProcess;
String Nachrichtentyp = MTP.Message.Substring(0, 1);
String Argument1 = MTP.Message.Substring(1, 32);
String Argument2 = MTP.Message.Substring(33, 256);
switch (Nachrichtentyp)
{
case "A":
{
//Client anmelden
//Argument1 = Benutzername
//Argument2 = leer
chatclient user = AddClient(Argument1, MTP.EP);
String msg = "A" + user.IDS.PadRight(32) + "".PadRight(256);
SendMsgToClient(msg, user.EP);
break;
}
case "Q":
{
//Client abmelden
RemoveClient(Argument1);
break;
}
case "T":
{
//Textnachricht empfangen
//Argument1 = IDS
//Argument2 = Textnachricht
SendMsgToClients(Argument1, Argument2);
MsgSent++;
ausgabe();
break;
}
case "S":
{
//Clientstatus empfangen
SetClientActive(Argument1);
break;
}
case "U":
{
//Benutzernamen angefragt
SendUserNames(Argument1, MTP.EP);
break;
}
default:
{
//unbekannte Nachricht empfangen
//verwerfen
break;
}
}
}
private static void listen(Object obj)
{
Console.WriteLine("listener running - lausche auf {0}:{1}", ServerEP.Address, ServerEP.Port);
// Creates an IpEndPoint to capture the identity of the sending host.
IPEndPoint sender = new IPEndPoint(IPAddress.Any, 0);
EndPoint senderRemote = (EndPoint)sender;
byte[] msg = new Byte[1 + 32 + 256];
while (working)
{
try
{
s_listen.ReceiveFrom(msg, 0, msg.Length, SocketFlags.None, ref senderRemote);
Console.WriteLine(System.Text.Encoding.UTF8.GetString(msg).TrimEnd('\0'));
MsgToProcess MTP = new MsgToProcess();
MTP.Message = System.Text.Encoding.UTF8.GetString(msg).TrimEnd('\0');
MTP.EP = (IPEndPoint)senderRemote;
ThreadPool.QueueUserWorkItem(new WaitCallback(ProcessMessage), MTP);
FramesReceived++;
ausgabe();
}
catch (SocketException e)
{
Console.WriteLine("SocketException aufgetreten. Errorcode: {0}, Fehlermeldung: {1}", e.ErrorCode, e.Message);
}
}
}
