public function listen($manager)
 {
     $userId = ProcManager::getInstance()->getCurrentProcess()->getLoginContext()->getEyeosUser()->getId();
     $username = ProcManager::getInstance()->getCurrentProcess()->getLoginContext()->getEyeosUser()->getName();
     $subscriptionProvider = new SqlSubscriptionProvider();
     if ($subscriptionProvider->getSubscriptions($userId) == false) {
         /**
          * User try to listen message, but for same reason (connection problem, logout)
          * netSync delete subscriptions to this user.
          *
          * Stop LongPolling and notify client
          */
         echo "forceRefresh";
         exit;
     }
     //$myPressence = new Pressence();
     //$myPressence->markOnline($username, $manager);
     session_write_close();
     set_time_limit(0);
     ignore_user_abort(1);
     header('Cache-Control: no-cache, must-revalidate');
     header('Content-type: application/json');
     $Logger = Logger::getLogger('system.Frameworks.EyeosModules.NetSync');
     //one of every 20 loops, will update the pressence time
     //but the first one, should do it ever
     $loop = 20;
     while (1) {
         try {
             echo "\n";
             ob_flush();
             flush();
             if (connection_status() != CONNECTION_NORMAL) {
                 //Maybe user gone offline
                 sleep(35);
                 //Check if user is still connected
                 if (!$subscriptionProvider->isUserConnected($userId)) {
                     // if not notify to all contacts
                     $contacts = PeopleController::getInstance()->getAllContacts($userId);
                     $ids = array();
                     $myCometSender = new CometSenderLongPolling();
                     foreach ($contacts as $contact) {
                         $id = $contact->getRelation()->getSourceId();
                         if ($id == $userId) {
                             $id = $contact->getRelation()->getTargetId();
                         }
                         $message = new NetSyncMessage('status', 'offline', $id, $userId);
                         //TODO24 ultra hardcoded, we need some kind of php listeners here!
                         $myCometSender->send($message);
                     }
                     shell_exec('rm -rf ' . escapeshellarg(EYE_ROOT . '/' . USERS_DIR . '/' . utf8_basename($username) . '/files/.office/'));
                     $subscriptionProvider->removeAllSubscriptions($userId);
                 }
                 exit;
             }
             if ($loop == 20) {
                 $mySubscriptionProvider = new SqlSubscriptionProvider();
                 $mySubscriptionProvider->refreshPressence($userId);
                 $loop = 0;
             } else {
                 $loop++;
             }
             $mySubscriptionProvider = new SqlSubscriptionProvider();
             $channels = $mySubscriptionProvider->getSubscriptions($userId);
             $messageProvider = new CometSqlMessageProvider();
             if (is_array($channels)) {
                 $messages = $messageProvider->read($channels, $userId, $this->lastId);
                 if (is_array($messages) && count($messages) > 0) {
                     @session_start();
                     usort($messages, "customMessageComparation");
                     $_SESSION['comet']['lastid'] = $messages[count($messages) - 1]['id'];
                     //$Logger->debug("last message id: " . $_SESSION['comet']['lastid']);
                     //@todo use pseudo-random-related-to-tableid or something as transaction ID, no a id of table
                     return $messages;
                 }
             }
             sleep(1);
         } catch (Exception $e) {
             $logger = Logger::getLogger('netsync');
             $logger->fatal('Exception in netsync!');
             $logger->fatal(ExceptionStackUtil::getStackTrace($e, false));
             exit;
         }
     }
 }