RollingFileAppender.h

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// Copyright (C) 2017 ~ 2017 Deepin Technology Co., Ltd.
// SPDX-FileCopyrightText: 2022 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#ifndef ROLLINGFILEAPPENDER_H
#define ROLLINGFILEAPPENDER_H
 
#include <QDateTime>
 
#include <FileAppender.h>
 
DCORE_BEGIN_NAMESPACE
 
class LIBDTKCORESHARED_EXPORT RollingFileAppender : public FileAppender
{
  public:
    enum DatePattern
    {
 
      MinutelyRollover = 0,
      HourlyRollover,
      HalfDailyRollover,
      DailyRollover,
      WeeklyRollover,
      MonthlyRollover
    };
 
    RollingFileAppender(const QString &fileName = QString());
 
    DatePattern datePattern() const;
    void setDatePattern(DatePattern datePattern);
    void setDatePattern(const QString &datePattern);
 
    QString datePatternString() const;
 
    void setLogFilesLimit(int limit);
    int logFilesLimit() const;
 
    void setLogSizeLimit(int limit);
    qint64 logSizeLimit() const;
 
  protected:
    virtual void append(const QDateTime &time, Logger::LogLevel level, const char *file, int line,
                        const char *func, const QString &category, const QString &msg);
 
  private:
    void rollOver();
    void computeRollOverTime();
    void computeFrequency();
    void removeOldFiles();
    void setDatePatternString(const QString &datePatternString);
 
    QString m_datePatternString;
    DatePattern m_frequency;
 
    QDateTime m_rollOverTime;
    QString m_rollOverSuffix;
    int m_logFilesLimit;
    qint64 m_logSizeLimit;
    mutable QMutex m_rollingMutex;
};
 
DCORE_END_NAMESPACE
 
#endif // ROLLINGFILEAPPENDER_H