src/base/bittorrent/nativesessionextension.cpp

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2020-2023  Vladimir Golovnev <glassez@yandex.ru>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (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 Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  *
  19  * In addition, as a special exception, the copyright holders give permission to
  20  * link this program with the OpenSSL project's "OpenSSL" library (or with
  21  * modified versions of it that use the same license as the "OpenSSL" library),
  22  * and distribute the linked executables. You must obey the GNU General Public
  23  * License in all respects for all of the code used other than "OpenSSL".  If you
  24  * modify file(s), you may extend this exception to your version of the file(s),
  25  * but you are not obligated to do so. If you do not wish to do so, delete this
  26  * exception statement from your version.
  27  */
  28
  29 #include "nativesessionextension.h"
  30
  31 #include <libtorrent/alert_types.hpp>
  32
  33 #include "extensiondata.h"
  34 #include "nativetorrentextension.h"
  35
  36 namespace
  37 {
  38     void handleFastresumeRejectedAlert(const lt::fastresume_rejected_alert *alert)
  39     {
  40         alert->handle.unset_flags(lt::torrent_flags::auto_managed);
  41         alert->handle.pause();
  42     }
  43 }
  44
  45 bool NativeSessionExtension::isSessionListening() const
  46 {
  47     const QReadLocker locker {&m_lock};
  48     return m_isSessionListening;
  49 }
  50
  51 void NativeSessionExtension::added(const lt::session_handle &nativeSession)
  52 {
  53     m_nativeSession = nativeSession;
  54 }
  55
  56 lt::feature_flags_t NativeSessionExtension::implemented_features()
  57 {
  58     return alert_feature;
  59 }
  60
  61 std::shared_ptr<lt::torrent_plugin> NativeSessionExtension::new_torrent(const lt::torrent_handle &torrentHandle, LTClientData clientData)
  62 {
  63     return std::make_shared<NativeTorrentExtension>(torrentHandle, static_cast<ExtensionData *>(clientData));
  64 }
  65
  66 void NativeSessionExtension::on_alert(const lt::alert *alert)
  67 {
  68     switch (alert->type())
  69     {
  70     case lt::session_stats_alert::alert_type:
  71         handleSessionStatsAlert(static_cast<const lt::session_stats_alert *>(alert));
  72         break;
  73     case lt::fastresume_rejected_alert::alert_type:
  74         handleFastresumeRejectedAlert(static_cast<const lt::fastresume_rejected_alert *>(alert));
  75         break;
  76     default:
  77         break;
  78     }
  79 }
  80
  81 void NativeSessionExtension::handleSessionStatsAlert([[maybe_unused]] const lt::session_stats_alert *alert)
  82 {
  83     const QWriteLocker locker {&m_lock};
  84     m_isSessionListening = m_nativeSession.is_listening();
  85 }