Network Stream Tcp Client : TCP Client « Network « C# / C Sharp






Network Stream Tcp 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 NetworkStreamTcpClient
{
   public static void Main()
   {
      byte[] data = new byte[1024];
      string input, stringData;
      int recv;
      IPEndPoint ipep = new IPEndPoint(
                      IPAddress.Parse("127.0.0.1"), 9050);

      Socket server = new Socket(AddressFamily.InterNetwork,
                     SocketType.Stream, ProtocolType.Tcp);

      try
      {
         server.Connect(ipep);
      } catch (SocketException e)
      {
         Console.WriteLine("Unable to connect to server.");
         Console.WriteLine(e.ToString());
         return;
      }

      NetworkStream ns = new NetworkStream(server);

      if (ns.CanRead)
      {
         recv = ns.Read(data, 0, data.Length);
         stringData = Encoding.ASCII.GetString(data, 0, recv);
         Console.WriteLine(stringData);
      }
      else
      {
         Console.WriteLine("Error: Can't read from this socket");
         ns.Close();
         server.Close();
         return;
      }

      while(true)
      {
         input = Console.ReadLine();
         if (input == "exit")
            break;
         if (ns.CanWrite)
         {
            ns.Write(Encoding.ASCII.GetBytes(input), 0, input.Length);
            ns.Flush();
         }

         recv = ns.Read(data, 0, data.Length);
         stringData = Encoding.ASCII.GetString(data, 0, recv);
         Console.WriteLine(stringData);
      }
      Console.WriteLine("Disconnecting from server...");
      ns.Close();
      server.Shutdown(SocketShutdown.Both);
      server.Close();
   }
}

           
       








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