void Listening()
{
while (true)
{
User user = new User();
user.socket = server.Accept();
try {
user.username = MyNetwork.Read(user.socket);
} catch {
ShowMsg("A new connection lost when sending username. " + "(" + user.socket.RemoteEndPoint.ToString() + ")");
continue;
}
if (bannedIp.Contains(user.IP)) //Banned IP
{
SendToUser(user, "/refuse_banned");
ShowMsg("A new connection was refused because its IP has been banned. " + "(" + user.username + ", " + user.socket.RemoteEndPoint.ToString() + ")");
continue;
}
if (users.ContainsKey(user.username)) //Duplicate Name
{
SendToUser(user, "/refuse_duplicate");
ShowMsg("A new connection was refused because of its duplicated username. " + "(" + user.username + ", " + user.socket.RemoteEndPoint.ToString() + ")");
continue;
}
users.Add(user.username, user);
ShowMsg("A new connection builded. " + "(" + user.username + ", " + user.socket.RemoteEndPoint.ToString() + ")");
Broadcast(user.username + " entered the chatroom.");
Thread read = new Thread(delegate() { ReadAndBroadcast(user); });
read.IsBackground = true;
read.Start();
}
}
void ReadAndBroadcast(User user)
{
try {
while (true)
{
string text = MyNetwork.Read(user.socket);
Broadcast(user.username + ": " + text);
}
} catch {
Offline(user);
}
}
void ReadAndAct()
{
while (true)
{
string text;
try {
text = MyNetwork.Read(client);
} catch {
ConnectionLost();
return;
}
if (text[0] == '/')
{
OptCmdFromServer(text);
}
else
{
ShowMsg(text);
}
}
}