src/base/addtorrentmanager.h

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2015-2023  Vladimir Golovnev <glassez@yandex.ru>
   4  * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19  *
  20  * In addition, as a special exception, the copyright holders give permission to
  21  * link this program with the OpenSSL project's "OpenSSL" library (or with
  22  * modified versions of it that use the same license as the "OpenSSL" library),
  23  * and distribute the linked executables. You must obey the GNU General Public
  24  * License in all respects for all of the code used other than "OpenSSL".  If you
  25  * modify file(s), you may extend this exception to your version of the file(s),
  26  * but you are not obligated to do so. If you do not wish to do so, delete this
  27  * exception statement from your version.
  28  */
  29
  30 #pragma once
  31
  32 #include <memory>
  33
  34 #include <QHash>
  35 #include <QObject>
  36
  37 #include "base/applicationcomponent.h"
  38 #include "base/bittorrent/addtorrentparams.h"
  39 #include "base/torrentfileguard.h"
  40
  41 namespace BitTorrent
  42 {
  43     class InfoHash;
  44     class Session;
  45     class Torrent;
  46     class TorrentDescriptor;
  47 }
  48
  49 namespace Net
  50 {
  51     struct DownloadResult;
  52 }
  53
  54 class QString;
  55
  56 class AddTorrentManager : public ApplicationComponent<QObject>
  57 {
  58     Q_OBJECT
  59     Q_DISABLE_COPY_MOVE(AddTorrentManager)
  60
  61 public:
  62     AddTorrentManager(IApplication *app, BitTorrent::Session *btSession, QObject *parent = nullptr);
  63
  64     BitTorrent::Session *btSession() const;
  65     bool addTorrent(const QString &source, const BitTorrent::AddTorrentParams &params = {});
  66
  67 signals:
  68     void torrentAdded(const QString &source, BitTorrent::Torrent *torrent);
  69     void addTorrentFailed(const QString &source, const QString &reason);
  70
  71 protected:
  72     bool addTorrentToSession(const QString &source, const BitTorrent::TorrentDescriptor &torrentDescr
  73             , const BitTorrent::AddTorrentParams &addTorrentParams);
  74     void handleAddTorrentFailed(const QString &source, const QString &reason);
  75     void handleDuplicateTorrent(const QString &source, const BitTorrent::TorrentDescriptor &torrentDescr, BitTorrent::Torrent *existingTorrent);
  76     void setTorrentFileGuard(const QString &source, std::shared_ptr<TorrentFileGuard> torrentFileGuard);
  77     std::shared_ptr<TorrentFileGuard> releaseTorrentFileGuard(const QString &source);
  78
  79 private:
  80     void onDownloadFinished(const Net::DownloadResult &result);
  81     void onSessionTorrentAdded(BitTorrent::Torrent *torrent);
  82     void onSessionAddTorrentFailed(const BitTorrent::InfoHash &infoHash, const QString &reason);
  83     bool processTorrent(const QString &source, const BitTorrent::TorrentDescriptor &torrentDescr
  84             , const BitTorrent::AddTorrentParams &addTorrentParams);
  85
  86     BitTorrent::Session *m_btSession = nullptr;
  87     QHash<QString, BitTorrent::AddTorrentParams> m_downloadedTorrents;
  88     QHash<BitTorrent::InfoHash, QString> m_sourcesByInfoHash;
  89     QHash<QString, std::shared_ptr<TorrentFileGuard>> m_guardedTorrentFiles;
  90 };