Better 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 BetterdUdpClient
{
public static void Main()
{
byte[] data = new byte[30];
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 tmpRemote = (EndPoint)sender;
data = new byte[30];
int recv = server.ReceiveFrom(data, ref tmpRemote);
Console.WriteLine("Message received from {0}:", tmpRemote.ToString());
Console.WriteLine(Encoding.ASCII.GetString(data, 0, recv));
int i = 30;
while(true)
{
input = Console.ReadLine();
if (input == "exit")
break;
server.SendTo(Encoding.ASCII.GetBytes(input), tmpRemote);
data = new byte[i];
try
{
recv = server.ReceiveFrom(data, ref tmpRemote);
stringData = Encoding.ASCII.GetString(data, 0, recv);
Console.WriteLine(stringData);
} catch (SocketException)
{
Console.WriteLine("WARNING: data lost, retry message.");
i += 10;
}
}
Console.WriteLine("Stopping client");
server.Close();
}
}
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