Mega Code Archive

 

Categories / C# Tutorial / Network

 

Simple Udp server

using System; using System.Net; using System.Net.Sockets; using System.Text; class MainClass {    public static void Main()    {       int receivedDataLength;       byte[] data = new byte[1024];       IPEndPoint ip = new IPEndPoint(IPAddress.Any, 9999);       Socket socket = new Socket(AddressFamily.InterNetwork,SocketType.Dgram, ProtocolType.Udp);       socket.Bind(ip);       IPEndPoint sender = new IPEndPoint(IPAddress.Any, 0);       EndPoint Remote = (EndPoint)(sender);       while(true)       {          data = new byte[1024];          receivedDataLength = socket.ReceiveFrom(data, ref Remote);                  Console.WriteLine(Encoding.ASCII.GetString(data, 0, receivedDataLength));          socket.SendTo(data, receivedDataLength, SocketFlags.None, Remote);       }    } }