Different windows Phone (33)

Communication (communication)-specific multicast SSM (source specific multicast)

Example

1. Service End

Main.cs

* * This service sends messages periodically to the specified multicast group to demonstrate the SSM/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;   
       
Using System.Net.Sockets; namespace SOCKETSERVERSSM {public partial class Main:form {System.Threading.Synchronizatio   
       
        Ncontext _synccontext;   
       
            Public Main () {InitializeComponent ();   
        LAUNCHSOCKETUDP (); private void Launchsocketudp () {_synccontext = System.Threading.Synchroniz   
       
            Ationcontext.current; Defines source in the source specific multicast that the SSM client receives only the data sent to the multicast group by this source IPEndPoint sourcepoint = new Ipend   
       
            Point (Ipaddress.any, 3370); Define multicast group IPEndPoint Multicastpoint =New IPEndPoint (Ipaddress.parse ("224.0.1.2"), 3369);   
            UdpClient sourceudp = new UdpClient (sourcepoint);  

 
       
       
            ShowMessage ("The Socket service used to demonstrate the SSM is started, send a message to the multicast group every 3 seconds");   
            Send information to the multicast group once every 3 seconds var timer = new System.Timers.Timer (); Timer.   
            Interval = 3000d; Timer. Elapsed + = delegate {string msg = string.   
                Format ("{0}-{1}", Dns.gethostname (), DateTime.Now.ToString ("HH:mm:ss"));   
       
                byte[] data = Encoding.UTF8.GetBytes (msg); Sourceudp.send (data, data.)   
            Length, Multicastpoint);   
            }; Timer.   
        Start ();   
        public void ShowMessage (String msg) {Txtmsg.text = + msg + "\ r \ n"; }   
    }   
}