git.maemo.org Git - qtrapids/blob - src/engine/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     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21
  22 #include <QDebug>
  23
  24 #include "AlertWaiterThread.h"
  25
  26 // Constants:
  27 // Timeout for waiting alerts
  28 const libtorrent::time_duration ALERT_WAIT_TIMEOUT
  29                 = libtorrent::time_duration(libtorrent::seconds(15));
  30
  31
  32 AlertWaiterThread::AlertWaiterThread(TorrentSession *const session, QObject* parent) :
  33                 QThread(parent),
  34                 btSession_(session)
  35 {
  36 }
  37
  38
  39 AlertWaiterThread::~AlertWaiterThread()
  40 {
  41 }
  42
  43
  44 void AlertWaiterThread::allAlerts(bool enable)
  45 {
  46         // If all enabled, set all alert cateogries:
  47         if (enable) {
  48                 btSession_->set_alert_mask(libtorrent::alert::all_categories);
  49         } else {
  50                 // Otherwise set to default, which is only error notifications.
  51                 btSession_->set_alert_mask(libtorrent::alert::error_notification);
  52         }
  53 }
  54
  55
  56 void AlertWaiterThread::run()
  57 {
  58         Alert const *alertTemp = NULL;
  59         while (true)
  60         {
  61                 qDebug() << "AlertWaiter running";
  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(alertTemp);
  66                 // 2000 us = 2ms. Gives main thread time to handle alert signal.
  67                 usleep(2000);
  68         }
  69 }