public ComShuttleManager() throws IOException
   {
       socket=new Socket("prod1.p3.teleragno.fr",2222);
       BufferedReader tmp_entree = null;
        PrintWriter tmp_sortie = null;
         try 
         {
            tmp_entree = new BufferedReader(new InputStreamReader(this.socket.getInputStream()));
            tmp_sortie = new PrintWriter(this.socket.getOutputStream());
         } 
         catch (IOException e) 
         {
            System.err.println("PB création des streams");
            if (tmp_entree != null)
            {
                tmp_entree.close();
            }
            if (tmp_sortie != null) 
            {
                tmp_sortie.close();
            }
        }
    }