Different Windows Phone (31)

Communication (communication) based on Socket UDP development of a multi-person chat room

Introduced

Distinctive Windows Phone 7.5 (SDK 7.1) communication

Example-Developing a multiplayer chat room based on Socket UDP

Example

1. Service End

Main.cs

* * * Socket UDP chat room service side * Note: UDP message (Datagram) The maximum length of 65535 (including the message header)/using System; 
Using System.Collections.Generic; 
Using System.ComponentModel; 
Using System.Data; 
Using System.Drawing; 
Using System.Linq; 
Using System.Text; 
   
Using System.Windows.Forms; 
Using System.Net.Sockets; 
Using System.Net; 
Using System.Threading; 
   
Using System.IO; 
   
        namespace SOCKETSERVERUDP {public partial class Main:form {SynchronizationContext _synccontext; 
   
        System.Timers.Timer _timer; 
   
        Client Endpoint Collection Private list<ipendpoint> _clientlist = new list<ipendpoint> (); 
   
            Public Main () {InitializeComponent (); 
   
            UI thread _synccontext = synchronizationcontext.current; 
            Start background thread receive data thread thread = new Thread (new ThreadStart (Receivedata)); Thread. 
            IsBackground = true; Thread. 
   
            Start (); Every 10 secondsRun the method specified by the timer, mass information _timer = new System.Timers.Timer (); _timer. 
            Interval = 10000d; _timer. 
            Elapsed + = new System.Timers.ElapsedEventHandler (_timer_elapsed); _timer. 
        Start (); 
            ///Receive Data private void Receivedata () {//Instantiate a udpclient, listen for specified port, for receiving information 
            UdpClient listener = new UdpClient (3367); 
   
            Client endpoint IPEndPoint clientendpoint = null; try {while (true) {//wait until the data is received (you can get the data received and the client end Point) byte[] bytes = listener. 
                    Receive (ref clientendpoint); 
   
                    String strresult = Encoding.UTF8.GetString (bytes); 
   
                    Outputmessage (strresult); 
                        Add clients that send this information to the client endpoint collection if (!_clientlist.any p => p.equals (Clientendpoint)) 
    _clientlist.add (Clientendpoint);            } catch (Exception ex) {Outputmessage (ex). 
            ToString ()); 
            } private void _timer_elapsed (object sender, System.Timers.ElapsedEventArgs e) { Mass information SendData (string) every 10 seconds. Format (Webabcd says to everyone: Hello! 
        "Information comes from service side {0}" ", DateTime.Now.ToString (" Hh:mm:ss ")); 
            }//Send data private void SendData (string data) {//Send information to every client that has sent information to the server 
                foreach (IPEndPoint EP in _clientlist) {//Instantiate a udpclient for sending information 
   
                UdpClient udpclient = new UdpClient (); 
                    try {byte[] bytedata = UTF8Encoding.UTF8.GetBytes (data); 
                Sends the message to the specified client endpoint and returns the number of bytes sent int count = Udpclient.send (Bytedata, Bytedata.length, EP); 
              catch (Exception ex)  {Outputmessage (ex. 
                ToString ()); 
            }//Close UdpClient//Udpclient.close (); }///output The specified information on the UI private void Outputmessage (string data) {_syncco ntext. 
        Post ((p) => {txtmsg.text + = p.tostring () + "\ r \ n";}, data); } 
    } 
}