public function resultatAction(Request $request)
 {
     AuthentificationController::isConnected();
     $username = $request->get('username');
     $promotion = $request->get('promotion');
     $add_ip = $request->get('add_ip');
     $add_mac = $request->get('add_mac');
     $dao = new PeripheriqueDAO($this->getDoctrine()->getConnection());
     $peripheriques = $dao->rechercheAdmin($username, $promotion, $add_ip, $add_mac);
     return $this->render("GlpmrPeripheriqueBundle:Default:resultats.html.twig", array("peripheriques" => $peripheriques));
 }