using System;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Text;
class MainClass
{
public static void Main()
{
string data;
IPEndPoint ip = new IPEndPoint(IPAddress.Any, 9999);
Socket socket = new Socket(AddressFamily.InterNetwork,SocketType.Stream, ProtocolType.Tcp);
socket.Bind(ip);
socket.Listen(10);
Socket client = socket.Accept();
IPEndPoint newclient = (IPEndPoint)client.RemoteEndPoint;
Console.WriteLine("Connected with {0} at port {1}",newclient.Address, newclient.Port);
NetworkStream ns = new NetworkStream(client);
StreamReader sr = new StreamReader(ns);
StreamWriter sw = new StreamWriter(ns);
string welcome = "Welcome";
sw.WriteLine(welcome);
sw.Flush();
while(true)
{
data = sr.ReadLine();
Console.WriteLine(data);
sw.WriteLine(data);
sw.Flush();
}
Console.WriteLine("Disconnected from {0}", newclient.Address);
sw.Close();
sr.Close();
ns.Close();
}
}
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