Simple Tcp server : Socket Server : Network C# Examples

    
using  System;
using  System.Net;
using  System.Net.Sockets;
using  System.Text;

class  MainClass
{
      public  static  void  Main()
      {
            IPEndPoint  ip  =  new  IPEndPoint(IPAddress.Any,9999);
            Socket  socket  =  new  Socket(AddressFamily.InterNetwork,SocketType.Stream,  ProtocolType.Tcp);

            socket.Bind(ip);
            socket.Listen(10);
            Console.WriteLine("Waiting  for  a  client...");
            Socket  client  =  socket.Accept();
            IPEndPoint  clientep  =(IPEndPoint)client.RemoteEndPoint;
            Console.WriteLine("Connected  with  {0}  at  port  {1}",clientep.Address,  clientep.Port);
            
            string  welcome  =  "Welcome";
            byte[]  data  =  new  byte[1024];
            data  =  Encoding.ASCII.GetBytes(welcome);
            client.Send(data,  data.Length,SocketFlags.None);

            while(true)
            {
                  data  =  new  byte[1024];
                  int  receivedDataLength  =  client.Receive(data);
                  Console.WriteLine(Encoding.ASCII.GetString(data,  0,  receivedDataLength));
                  client.Send(data,  receivedDataLength,  SocketFlags.None);
            }

            Console.WriteLine("Disconnected  from  {0}",clientep.Address);
            client.Close();
            socket.Close();
      }
}