C#에서 클라이언트-서버 통신 설정

PM > Install - Package NetworkCommsDotNet - Version 3.0.3

public static void ConnectServer() {
  IPHostEntry myhost = Dns.GetHostEntry("localhost");
  IPAddress ipAddr = myhost.AddressList[0];
  IPEndPoint myEndPoint = new IPEndPoint(ipAddr, 11000);

  try {
    Socket listenerSocket = new Socket(ipAddr.AddressFamily, SocketType.Stream, ProtocolType.Tcp);

    listenerSocket.Bind(myEndPoint);
    listenerSocket.Listen(5);

    Console.WriteLine("Waiting for Client Socket to Coonect...");
    Socket socketHandler = listenerSocket.Accept();

    // data from the client.
    string myData = null;
    byte[] dataBytes = null;

    while (true) {
      dataBytes = new byte[1023];
      int bytesRece = socketHandler.Receive(dataBytes);
      myData += Encoding.ASCII.GetString(dataBytes, 0, bytesRece);

      if (myData.IndexOf("<EOF>") > -1) {
        myData = myData.Remove(myData.Length - 5);
        break;
      }
    }

    Console.WriteLine("Data Received from Client : {0}", myData);

    byte[] msg = Encoding.ASCII.GetBytes("This is the test msg from server");
    socketHandler.Send(msg);
    socketHandler.Shutdown(SocketShutdown.Both);
    socketHandler.Close();
  } catch (Exception e) {
    Console.WriteLine(e.ToString());
  }

  Console.WriteLine("\n Press any key to continue...");
  Console.ReadKey();
}

public static void ConnectClient() {
  byte[] myBytes = new byte[1024];

  try {
    IPHostEntry myhost = Dns.GetHostEntry("localhost");
    IPAddress ipAddr = myhost.AddressList[0];
    IPEndPoint clientEP = new IPEndPoint(ipAddr, 11000);

    Socket senderSocket = new Socket(ipAddr.AddressFamily, SocketType.Stream, ProtocolType.Tcp);

    try {
      // Connect to the EndPoint
      senderSocket.Connect(clientEP);

      Console.WriteLine("Client Connect to Server at {0}", senderSocket.RemoteEndPoint.ToString());

      // Convert the string into a byte-type array.
      Console.WriteLine("Sending a test message");
      byte[] msg = Encoding.ASCII.GetBytes("This is a test message from Client<EOF>");

      // Send the data using the socket.
      int dataSent = senderSocket.Send(msg);

      // Receive the reply from the server device.
      int dataRec = senderSocket.Receive(myBytes);
      Console.WriteLine("Data Received from Server = {0}",
                        Encoding.ASCII.GetString(myBytes, 0, dataRec));

      // delete the socket
      senderSocket.Shutdown(SocketShutdown.Both);
      senderSocket.Close();
      Console.ReadKey();

    } catch (ArgumentNullException ane) {
      Console.WriteLine(ane.ToString());
    } catch (SocketException se) {
      Console.WriteLine(se.ToString());
    } catch (Exception e) {
      Console.WriteLine(e.ToString());
    }

  } catch (Exception e) {
    Console.WriteLine(e.ToString());
  }
}