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

   1 /***************************************************************************
   2  *   Copyright (C) 2010 by Ixonos Plc   *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; version 2 of the License.               *
   7  *                                                                         *
   8  *   This program is distributed in the hope that it will be useful,       *
   9  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  10  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  11  *   GNU General Public License for more details.                          *
  12  *                                                                         *
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  15  *   Free Software Foundation, Inc.,                                       *
  16  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  17  ***************************************************************************/
  18
  19
  20 #include <QDebug>
  21
  22 #include "AlertWaiterThread.h"
  23
  24 // Constants:
  25 // Timeout for waiting alerts
  26 const libtorrent::time_duration ALERT_WAIT_TIMEOUT
  27 = libtorrent::time_duration(libtorrent::seconds(15));
  28
  29
  30 AlertWaiterThread::AlertWaiterThread(TorrentSession *const session, QObject* parent) :
  31                 QThread(parent),
  32                 btSession_(session)
  33 {
  34 }
  35
  36
  37 AlertWaiterThread::~AlertWaiterThread()
  38 {
  39 }
  40
  41
  42 void AlertWaiterThread::allAlerts(bool enable)
  43 {
  44         // If all enabled, set all alert cateogries:
  45         if (enable) {
  46                 btSession_->set_alert_mask(libtorrent::alert::all_categories);
  47         } else {
  48                 // Otherwise set to default, which is only error notifications.
  49                 btSession_->set_alert_mask(libtorrent::alert::error_notification);
  50         }
  51 }
  52
  53
  54 void AlertWaiterThread::run()
  55 {
  56         Alert const *alertTemp = NULL;
  57         while (true) {
  58 #ifdef QTRAPIDS_DEBUG
  59                 qDebug() << "AlertWaiter running";
  60 #endif
  61                 // wait_for_alert() call blocks. Returns libtorrent alert.
  62                 // Returns NULL, if no alerts in timeout period.
  63                 alertTemp = btSession_->wait_for_alert(ALERT_WAIT_TIMEOUT);
  64                 emit alert(alertTemp);
  65                 // 2000 us = 2ms. Gives main thread time to handle alert signal.
  66                 usleep(2000);
  67         }
  68 }