src/base/bittorrent/torrentcreator.h

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2010  Christophe Dumez <chris@qbittorrent.org>
   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 #pragma once
  30
  31 #include <atomic>
  32
  33 #include <QObject>
  34 #include <QRunnable>
  35 #include <QStringList>
  36
  37 #include "base/path.h"
  38
  39 namespace BitTorrent
  40 {
  41 #ifdef QBT_USES_LIBTORRENT2
  42     enum class TorrentFormat
  43     {
  44         V1,
  45         V2,
  46         Hybrid
  47     };
  48 #endif
  49
  50     struct TorrentCreatorParams
  51     {
  52         bool isPrivate = false;
  53 #ifdef QBT_USES_LIBTORRENT2
  54         TorrentFormat torrentFormat = TorrentFormat::Hybrid;
  55 #else
  56         bool isAlignmentOptimized;
  57         int paddedFileSizeLimit;
  58 #endif
  59         int pieceSize = 0;
  60         Path inputPath;
  61         Path savePath;
  62         QString comment;
  63         QString source;
  64         QStringList trackers;
  65         QStringList urlSeeds;
  66     };
  67
  68     class TorrentCreator final : public QObject, public QRunnable
  69     {
  70         Q_OBJECT
  71         Q_DISABLE_COPY_MOVE(TorrentCreator)
  72
  73     public:
  74         explicit TorrentCreator(const TorrentCreatorParams &params, QObject *parent = nullptr);
  75
  76         void run() override;
  77
  78         bool isInterruptionRequested() const;
  79
  80     public slots:
  81         void requestInterruption();
  82
  83 #ifdef QBT_USES_LIBTORRENT2
  84         static int calculateTotalPieces(const Path &inputPath, int pieceSize, TorrentFormat torrentFormat);
  85 #else
  86         static int calculateTotalPieces(const Path &inputPath
  87             , const int pieceSize, const bool isAlignmentOptimized, int paddedFileSizeLimit);
  88 #endif
  89
  90     signals:
  91         void creationFailure(const QString &msg);
  92         void creationSuccess(const Path &path, const Path &branchPath);
  93         void updateProgress(int progress);
  94
  95     private:
  96         void sendProgressSignal(int currentPieceIdx, int totalPieces);
  97         void checkInterruptionRequested() const;
  98
  99         TorrentCreatorParams m_params;
 100         std::atomic_bool m_interruptionRequested;
 101     };
 102 }