qBittorrent/src/base/bittorrent/customstorage.cpp
2020-05-25 20:31:59 +03:00

94 lines
3.8 KiB
C++

/*
* Bittorrent Client using Qt and libtorrent.
* Copyright (C) 2020 Vladimir Golovnev <glassez@yandex.ru>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give permission to
* link this program with the OpenSSL project's "OpenSSL" library (or with
* modified versions of it that use the same license as the "OpenSSL" library),
* and distribute the linked executables. You must obey the GNU General Public
* License in all respects for all of the code used other than "OpenSSL". If you
* modify file(s), you may extend this exception to your version of the file(s),
* but you are not obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*/
#include "customstorage.h"
#if (LIBTORRENT_VERSION_NUM >= 10200)
#include <libtorrent/download_priority.hpp>
#include <QDir>
#include "base/utils/fs.h"
extern const QString QB_EXT {QStringLiteral(".!qB")};
lt::storage_interface *customStorageConstructor(const lt::storage_params &params, lt::file_pool &pool)
{
return new CustomStorage {params, pool};
}
CustomStorage::CustomStorage(const lt::storage_params &params, lt::file_pool &filePool)
: lt::default_storage {params, filePool}
{
m_savePath = Utils::Fs::expandPathAbs(QString::fromStdString(params.path));
}
bool CustomStorage::verify_resume_data(const lt::add_torrent_params &rd, const lt::aux::vector<std::string, lt::file_index_t> &links, lt::storage_error &ec)
{
const QDir saveDir {m_savePath};
const lt::file_storage &fileStorage = files();
for (const lt::file_index_t fileIndex : fileStorage.file_range()) {
// ignore files that have priority 0
if ((m_filePriorities.end_index() > fileIndex) && (m_filePriorities[fileIndex] == lt::dont_download))
continue;
// ignore pad files
if (fileStorage.pad_file_at(fileIndex)) continue;
const QString filePath = QString::fromStdString(fileStorage.file_path(fileIndex));
if (filePath.endsWith(QB_EXT)) {
const QString completeFilePath = filePath.left(filePath.size() - QB_EXT.size());
QFile completeFile {saveDir.absoluteFilePath(completeFilePath)};
if (completeFile.exists()) {
QFile currentFile {saveDir.absoluteFilePath(filePath)};
if (currentFile.exists())
currentFile.remove();
completeFile.rename(currentFile.fileName());
}
}
}
return lt::default_storage::verify_resume_data(rd, links, ec);
}
void CustomStorage::set_file_priority(lt::aux::vector<lt::download_priority_t, lt::file_index_t> &priorities, lt::storage_error &ec)
{
m_filePriorities = priorities;
lt::default_storage::set_file_priority(priorities, ec);
}
lt::status_t CustomStorage::move_storage(const std::string &savePath, lt::move_flags_t flags, lt::storage_error &ec)
{
const lt::status_t ret = lt::default_storage::move_storage(savePath, flags, ec);
if (ret != lt::status_t::fatal_disk_error)
m_savePath = Utils::Fs::expandPathAbs(QString::fromStdString(savePath));
return ret;
}
#endif