git.maemo.org Git - qtrapids/blob - src/server/AlertWaiterThread.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2009 by Lassi Väätämöinen   *
   3  *   lassi.vaatamoinen@ixonos.com   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
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  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #include "AlertWaiterThread.hpp"
  22 #include <QDebug>
  23
  24
  25 namespace qtrapids
  26 {
  27
  28     // Constants:
  29     // Timeout for waiting alerts
  30     const libtorrent::time_duration ALERT_WAIT_TIMEOUT
  31     = libtorrent::time_duration(libtorrent::seconds(15));
  32
  33
  34     AlertWaiterThread::AlertWaiterThread(session_t *session, QObject* parent) :
  35                 QThread(parent),
  36                 btSession_(session)
  37     {
  38     }
  39
  40
  41     AlertWaiterThread::~AlertWaiterThread()
  42     {
  43     }
  44
  45
  46     void AlertWaiterThread::allAlerts(bool enable)
  47     {
  48         // If all enabled, set all alert cateogries:
  49         if (enable) {
  50             btSession_->set_alert_mask(libtorrent::alert::all_categories);
  51         } else {
  52             // Otherwise set to default, which is only error notifications.
  53             btSession_->set_alert_mask(libtorrent::alert::error_notification);
  54         }
  55     }
  56
  57
  58     void AlertWaiterThread::run()
  59     {
  60         alert_t const *alertTemp = NULL;
  61         while (true) {
  62             // wait_for_alert() call blocks. Returns libtorrent alert.
  63             // Returns NULL, if no alerts in timeout period.
  64             alertTemp = btSession_->wait_for_alert(ALERT_WAIT_TIMEOUT);
  65             emit alert();
  66             // 2000 us = 2ms. Gives main thread time to handle alert signal.
  67             usleep(2000);
  68         }
  69     }
  70
  71 }