src/base/torrentfileswatcher.h

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2021-2023  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/bittorrent/torrentdescriptor.h"
  36 #include "base/path.h"
  37 #include "base/utils/thread.h"
  38
  39 class QThread;
  40
  41 /*
  42  * Watches the configured directories for new .torrent files in order
  43  * to add torrents to BitTorrent session. Supports Network File System
  44  * watching (NFS, CIFS) on Linux and Mac OS.
  45  */
  46 class TorrentFilesWatcher final : public QObject
  47 {
  48     Q_OBJECT
  49     Q_DISABLE_COPY_MOVE(TorrentFilesWatcher)
  50
  51 public:
  52     struct WatchedFolderOptions
  53     {
  54         BitTorrent::AddTorrentParams addTorrentParams;
  55         bool recursive = false;
  56     };
  57
  58     static void initInstance();
  59     static void freeInstance();
  60     static TorrentFilesWatcher *instance();
  61
  62     QHash<Path, WatchedFolderOptions> folders() const;
  63     void setWatchedFolder(const Path &path, const WatchedFolderOptions &options);
  64     void removeWatchedFolder(const Path &path);
  65
  66 signals:
  67     void watchedFolderSet(const Path &path, const WatchedFolderOptions &options);
  68     void watchedFolderRemoved(const Path &path);
  69
  70 private slots:
  71     void onTorrentFound(const BitTorrent::TorrentDescriptor &torrentDescr, const BitTorrent::AddTorrentParams &addTorrentParams);
  72
  73 private:
  74     explicit TorrentFilesWatcher(QObject *parent = nullptr);
  75
  76     void load();
  77     void loadLegacy();
  78     void store() const;
  79
  80     void doSetWatchedFolder(const Path &path, const WatchedFolderOptions &options);
  81
  82     static TorrentFilesWatcher *m_instance;
  83
  84     QHash<Path, WatchedFolderOptions> m_watchedFolders;
  85
  86     Utils::Thread::UniquePtr m_ioThread;
  87
  88     class Worker;
  89     Worker *m_asyncWorker = nullptr;
  90 };