[問題] server 能處理同時連線人數的上限

[ideaup (ideaupsoho)]

UserObj[] Obj=new UserObj[100];

public void StartServer() {

    socket s=new Socket(AddressFamily.InterNetwork, SocketType.Stream,
                        ProtocolType.Tcp);
    IPEndPoint ep=new IPEndPoint(IPAddress.Any, 8001);
    s.Bind(ep); s.Listen(10);
    while (true) {
        socket UserSo;
        try {   UserSo=s.Accept();    }
        catch { break; }

        Byte[] bytes=new byte[256];
        string msg="";
        try  {
             int ct= UserSo.Receive(bytes);
             msg= Encoding.Default.GetString(bytes);
             }
        catch (SocketException e) {}

        //若每個接收到的socket,都用一個thread 來處理其接收.發送資料,
         Obj[k].sa=UserSo;
         Obj[k].OnTreatMsg+=new EventHandler<MsgEventArgs>(TreatMsg);
         Obj[k].StartTh();
            }
        }

class UserObj {
        public Socket sa;
        public Thread work=null;
        public event EventHandler<MsgEventArgs> OnTreatMsg;

        public void StartTh()  {
            work = new Thread( new ThreadStart(receiveMessage));
            work.Start();
        }

        public void receiveMessage() {
            while (true) {
                byte[] buf=new byte[512];
                int ct=0;
                string text=string.Empty;

                if (sa==null) continue;
                try {      ct=sa.Receive(buf);      }
                catch { return; }
                if (ct==0) return;
                text+=Encoding.Default.GetString(buf, 0, ct);
                MsgEventArgs arg=new MsgEventArgs();  arg.msg=text;
                OnTreatMsg(this, arg);
                }
            }
        }

若每個接收到的socket,都用一個thread 來處理其接收.發送資料,
大約同時連線人數多少時,server 處理會出現問題,100個,1000個?

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