/* C# Network Programming by Richard Blum Publisher: Sybex ISBN: 0782141765 */ using System; using System.Net; using System.Net.Sockets; using System.Text; public class UdpClientSample { public static void Main() { byte[] data = new byte[1024]; string input, stringData; UdpClient server = new UdpClient("127.0.0.1", 9050); IPEndPoint sender = new IPEndPoint(IPAddress.Any, 0); string welcome = "Hello, are you there?"; data = Encoding.ASCII.GetBytes(welcome); server.Send(data, data.Length); data = server.Receive(ref sender); Console.WriteLine("Message received from {0}:", sender.ToString()); stringData = Encoding.ASCII.GetString(data, 0, data.Length); Console.WriteLine(stringData); while(true) { input = Console.ReadLine(); if (input == "exit") break; server.Send(Encoding.ASCII.GetBytes(input), input.Length); data = server.Receive(ref sender); stringData = Encoding.ASCII.GetString(data, 0, data.Length); Console.WriteLine(stringData); } Console.WriteLine("Stopping client"); server.Close(); } }