2 * Bittorrent Client using Qt and libtorrent.
3 * Copyright (C) 2017 Vladimir Golovnev <glassez@yandex.ru>
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.
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.
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.
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.
29 #include "asyncfilestorage.h"
32 #include <QMetaObject>
34 #include "base/utils/io.h"
36 AsyncFileStorage::AsyncFileStorage(const QString
&storageFolderPath
, QObject
*parent
)
38 , m_storageDir(storageFolderPath
)
39 , m_lockFile(m_storageDir
.absoluteFilePath(QStringLiteral("storage.lock")))
41 if (!m_storageDir
.mkpath(m_storageDir
.absolutePath()))
42 throw AsyncFileStorageError
43 {tr("Could not create directory '%1'.")
44 .arg(m_storageDir
.absolutePath())};
46 // TODO: This folder locking approach does not work for UNIX systems. Implement it.
47 if (!m_lockFile
.open(QFile::WriteOnly
))
48 throw AsyncFileStorageError
{m_lockFile
.errorString()};
51 AsyncFileStorage::~AsyncFileStorage()
57 void AsyncFileStorage::store(const QString
&fileName
, const QByteArray
&data
)
59 QMetaObject::invokeMethod(this, [this, data
, fileName
]() { store_impl(fileName
, data
); }
60 , Qt::QueuedConnection
);
63 QDir
AsyncFileStorage::storageDir() const
68 void AsyncFileStorage::store_impl(const QString
&fileName
, const QByteArray
&data
)
70 const QString filePath
= m_storageDir
.absoluteFilePath(fileName
);
71 qDebug() << "AsyncFileStorage: Saving data to" << filePath
;
73 const nonstd::expected
<void, QString
> result
= Utils::IO::saveToFile(filePath
, data
);
76 qDebug() << "AsyncFileStorage: Failed to save data";
77 emit
failed(filePath
, result
.error());