Better Data Receiver : Data Send Receive : Network C# Source Code

    

/*
C# Network Programming 
by Richard Blum

Publisher: Sybex 
ISBN: 0782141765
*/

using System;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Soap;

public class BetterDataRcvr
{
   private SerialEmployee RecvData(NetworkStream strm)
   {
      MemoryStream memstrm = new MemoryStream();
      byte[] data = new byte[4];
      int recv = strm.Read(data, 0, 4);
      int size = BitConverter.ToInt32(data, 0);
      int offset = 0;
      while(size > 0)
      {
         data = new byte[1024];
         recv = strm.Read(data, 0, size);
         memstrm.Write(data, offset, recv);
         offset += recv;
         size -= recv;
      }
      IFormatter formatter = new SoapFormatter();
      memstrm.Position = 0;
      SerialEmployee emp = (SerialEmployee)formatter.Deserialize(memstrm);
      memstrm.Close();
      return emp;
   }      

   public BetterDataRcvr()
   {
      TcpListener server = new TcpListener(9050);
      server.Start();
      TcpClient client = server.AcceptTcpClient();
      NetworkStream strm = client.GetStream();

      SerialEmployee emp1 = RecvData(strm);
      Console.WriteLine("emp1.EmployeeID = {0}", emp1.EmployeeID);
      Console.WriteLine("emp1.LastName = {0}", emp1.LastName);
      Console.WriteLine("emp1.FirstName = {0}", emp1.FirstName);
      Console.WriteLine("emp1.YearsService = {0}", emp1.YearsService);
      Console.WriteLine("emp1.Salary = {0}\n", emp1.Salary);

      SerialEmployee emp2 = RecvData(strm);
      Console.WriteLine("emp2.EmployeeID = {0}", emp2.EmployeeID);
      Console.WriteLine("emp2.LastName = {0}", emp2.LastName);
      Console.WriteLine("emp2.FirstName = {0}", emp2.FirstName);
      Console.WriteLine("emp2.YearsService = {0}", emp2.YearsService);
      Console.WriteLine("emp2.Salary = {0}", emp2.Salary);
      strm.Close();
      server.Stop();
   }

   public static void Main()
   {
      BetterDataRcvr bdr = new BetterDataRcvr();
   }
}



[Serializable]
public class SerialEmployee
{
   public int EmployeeID;
   public string LastName;
   public string FirstName;
   public int YearsService;
   public double Salary;

   public SerialEmployee()
   {
      EmployeeID = 0;
      LastName = null;
      FirstName = null;
      YearsService = 0;
      Salary = 0.0;
   }
}