src/base/torrentfileswatcher.h

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2021  Vladimir Golovnev <glassez@yandex.ru>
   4  * Copyright (C) 2010  Christian Kandeler, 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 <QHash>
  33
  34 #include "base/bittorrent/addtorrentparams.h"
  35 #include "base/path.h"
  36 #include "base/utils/thread.h"
  37
  38 class QThread;
  39
  40 namespace BitTorrent
  41 {
  42     class MagnetUri;
  43 }
  44
  45 /*
  46  * Watches the configured directories for new .torrent files in order
  47  * to add torrents to BitTorrent session. Supports Network File System
  48  * watching (NFS, CIFS) on Linux and Mac OS.
  49  */
  50 class TorrentFilesWatcher final : public QObject
  51 {
  52     Q_OBJECT
  53     Q_DISABLE_COPY_MOVE(TorrentFilesWatcher)
  54
  55 public:
  56     struct WatchedFolderOptions
  57     {
  58         BitTorrent::AddTorrentParams addTorrentParams;
  59         bool recursive = false;
  60     };
  61
  62     static void initInstance();
  63     static void freeInstance();
  64     static TorrentFilesWatcher *instance();
  65
  66     QHash<Path, WatchedFolderOptions> folders() const;
  67     void setWatchedFolder(const Path &path, const WatchedFolderOptions &options);
  68     void removeWatchedFolder(const Path &path);
  69
  70 signals:
  71     void watchedFolderSet(const Path &path, const WatchedFolderOptions &options);
  72     void watchedFolderRemoved(const Path &path);
  73
  74 private slots:
  75     void onMagnetFound(const BitTorrent::MagnetUri &magnetURI, const BitTorrent::AddTorrentParams &addTorrentParams);
  76     void onTorrentFound(const BitTorrent::TorrentInfo &torrentInfo, const BitTorrent::AddTorrentParams &addTorrentParams);
  77
  78 private:
  79     explicit TorrentFilesWatcher(QObject *parent = nullptr);
  80
  81     void load();
  82     void loadLegacy();
  83     void store() const;
  84
  85     void doSetWatchedFolder(const Path &path, const WatchedFolderOptions &options);
  86
  87     static TorrentFilesWatcher *m_instance;
  88
  89     QHash<Path, WatchedFolderOptions> m_watchedFolders;
  90
  91     Utils::Thread::UniquePtr m_ioThread;
  92
  93     class Worker;
  94     Worker *m_asyncWorker = nullptr;
  95 };