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Paradoxal Press

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Category: Programming
Level: Beginner to seasoned
900 pages
ISBN-10 097661322-0
ISBN-13 978-097661322-0
$59.99 USA
$79.99 CANADA


Listing 17-5 extracted from chapter Input/Output and streams


Listing 17-4<     > Listing 17-6


This listing can be compiled with the command line:
csc.exe /out:Server.exe /target:exe Example_17_5_to_rename_Server.cs
Errors: 0 Warnings: 0


Example_17_5_to_rename_Server.cs
using System;
using System.Net.Sockets;
using System.Net;
using System.IO;

class ProgServeur {
   static readonly ushort port = 50000;

   static void Main() {
      IPAddress ipAddress = new IPAddressnew byte[] { 12700} );
      TcpListener tcpListener = new TcpListener( ipAddress , port );
      tcpListener.Start();

      // Each loop = send a file to a client.
      while(true) {
         try {   
            Console.WriteLine( "Waiting for a client..." );
            // 'AcceptTcpClient()' is a blocking call. The thread
            // continue its course only when a client is connected.
            TcpClient tcpClient = tcpListener.AcceptTcpClient();
            Console.WriteLine( "Client connected." );
            ProcessClientRequest( tcpClient.GetStream() );
            Console.WriteLine( "Client disconnected." );
         }
         catchException e ) {
            Console.WriteLine( e.Message );
         }
      }
   }
   static void ProcessClientRequest( NetworkStream networkStream ) {
      // Stream used to send data.
      StreamWriter  streamWriter = new StreamWriter( networkStream );

      // Stream used to read the file.
      StreamReader  streamReader = new StreamReader@"C:/Text/File.txt" );
      
      // For each line of the file: send it to the client.
      string sTmp = streamReader.ReadLine();
      try {
         while(sTmp != null ) {
            Console.WriteLine( "Sending: {0}" , sTmp );
            streamWriter.WriteLine( sTmp );
            streamWriter.Flush();
            sTmp = streamReader.ReadLine();
         }
      }
      finally {
         // Close streams.
         streamReader.Close();
         streamWriter.Close();
         networkStream.Close();
      }
   }
}	
Copyright Patrick Smacchia 2006 2007