Mega Code Archive

 

Categories / C# / Network

 

Simple Udp Client

/* C# Network Programming  by Richard Blum Publisher: Sybex  ISBN: 0782141765 */ using System; using System.Net; using System.Net.Sockets; using System.Text; public class SimpleUdpClient {    public static void Main()    {       byte[] data = new byte[1024];       string input, stringData;       IPEndPoint ipep = new IPEndPoint(                       IPAddress.Parse("127.0.0.1"), 9050);       Socket server = new Socket(AddressFamily.InterNetwork,                      SocketType.Dgram, ProtocolType.Udp);       string welcome = "Hello, are you there?";       data = Encoding.ASCII.GetBytes(welcome);       server.SendTo(data, data.Length, SocketFlags.None, ipep);       IPEndPoint sender = new IPEndPoint(IPAddress.Any, 0);       EndPoint Remote = (EndPoint)sender;       data = new byte[1024];       int recv = server.ReceiveFrom(data, ref Remote);       Console.WriteLine("Message received from {0}:", Remote.ToString());       Console.WriteLine(Encoding.ASCII.GetString(data, 0, recv));       while(true)       {          input = Console.ReadLine();          if (input == "exit")             break;          server.SendTo(Encoding.ASCII.GetBytes(input), Remote);          data = new byte[1024];          recv = server.ReceiveFrom(data, ref Remote);          stringData = Encoding.ASCII.GetString(data, 0, recv);          Console.WriteLine(stringData);       }       Console.WriteLine("Stopping client");       server.Close();    } }