qBittorrent/src/app/filelogger.h

/*
 * Bittorrent Client using Qt and libtorrent.
 * Copyright (C) 2016  sledgehammer999 <hammered999@gmail.com>
 *
 * 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.
 */

#pragma once

#include <QFile>
#include <QObject>
#include <QTimer>

namespace Log
{
    struct Msg;
}

class FileLogger : public QObject
{
    Q_OBJECT
    Q_DISABLE_COPY_MOVE(FileLogger)

public:
    enum FileLogAgeType
    {
        DAYS,
        MONTHS,
        YEARS
    };

    FileLogger(const QString &path, bool backup, int maxSize, bool deleteOld, int age, FileLogAgeType ageType);
    ~FileLogger();

    void changePath(const QString &newPath);
    void deleteOld(int age, FileLogAgeType ageType);
    void setBackup(bool value);
    void setMaxSize(int value);

private slots:
    void addLogMessage(const Log::Msg &msg);
    void flushLog();

private:
    void openLogFile();
    void closeLogFile();

    QString m_path;
    bool m_backup;
    int m_maxSize;
    QFile m_logFile;
    QTimer m_flusher;
};