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/******************************************************************************
*
* package: Log4Qt
* file: rollingfileappender.h
* created: September 2007
* author: Martin Heinrich
*
*
* Copyright 2007 Martin Heinrich
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#ifndef LOG4QT_ROLINGFILEAPPENDER_H
#define LOG4QT_ROLINGFILEAPPENDER_H
/******************************************************************************
* Dependencies
******************************************************************************/
#include "fileappender.h"
/******************************************************************************
* Declarations
******************************************************************************/
namespace Log4Qt
{
/*!
* \brief The class RollingFileAppender extends FileAppender to backup
* the log files when they reach a certain size.
*
* \note All the functions declared in this class are thread-safe.
*
* \note The ownership and lifetime of objects of this class are managed.
* See \ref Ownership "Object ownership" for more details.
*/
class LOG4QT_EXPORT RollingFileAppender : public FileAppender
{
Q_OBJECT
/*!
* The property holds the maximum backup count used by the appender.
*
* The default is 1.
*
* \sa maxBackupIndex(), setMaxBackupIndex()
*/
Q_PROPERTY(int maxBackupIndex READ maxBackupIndex WRITE setMaxBackupIndex)
/*!
* The property holds the maximum file size used by the appender.
*
* The default is 10 MB (10 * 1024 * 1024).
*
* \sa maximumFileSize(), setMaximumFileSize()
*/
Q_PROPERTY(qint64 maximumFileSize READ maximumFileSize WRITE setMaximumFileSize)
/*!
* The property sets the maximum file size from a string value.
*
* \sa setMaxFileSize(), maximumFileSize()
*/
Q_PROPERTY(QString maxFileSize READ maxFileSize WRITE setMaxFileSize)
public:
RollingFileAppender(QObject *pParent = 0);
RollingFileAppender(Layout *pLayout,
const QString &rFileName,
QObject *pParent = 0);
RollingFileAppender(Layout *pLayout,
const QString &rFileName,
bool append,
QObject *pParent = 0);
virtual ~RollingFileAppender();
private:
RollingFileAppender(const RollingFileAppender &rOther); // Not implemented
RollingFileAppender &operator=(const RollingFileAppender &rOther); // Not implemented
public:
int maxBackupIndex() const;
qint64 maximumFileSize() const;
QString maxFileSize() const;
void setMaxBackupIndex(int maxBackupIndex);
void setMaximumFileSize(qint64 maximumFileSize);
void setMaxFileSize(const QString &rMaxFileSize);
protected:
virtual void append(const LoggingEvent &rEvent);
#ifndef QT_NO_DEBUG_STREAM
/*!
* Writes all object member variables to the given debug stream
* \a rDebug and returns the stream.
*
* <tt>
* %RollingFileAppender(name:"RFA" appendfile:false bufferedio:true
* encoding:"" file:"log.txt" filter: 0x0
* immediateflush:true isactive:true
* isclosed:false layout:"TTCC" maxbackupindex:2
* maximumfilesize:40 referencecount:1
* threshold:"NULL" writer:0x4175af8)
* </tt>
* \sa QDebug, operator<<(QDebug debug, const LogObject &rLogObject)
*/
virtual QDebug debug(QDebug &rDebug) const;
#endif // QT_NO_DEBUG_STREAM
private:
void rollOver();
private:
int mMaxBackupIndex;
qint64 mMaximumFileSize;
};
/**************************************************************************
* Operators, Helper
**************************************************************************/
/**************************************************************************
* Inline
**************************************************************************/
inline int RollingFileAppender::maxBackupIndex() const
{ QMutexLocker locker(&mObjectGuard);
return mMaxBackupIndex; }
inline qint64 RollingFileAppender::maximumFileSize() const
{ QMutexLocker locker(&mObjectGuard);
return mMaximumFileSize; }
inline QString RollingFileAppender::maxFileSize() const
{ QMutexLocker locker(&mObjectGuard);
return QString::number(mMaximumFileSize); }
inline void RollingFileAppender::setMaxBackupIndex(int maxBackupIndex)
{ QMutexLocker locker(&mObjectGuard);
mMaxBackupIndex = maxBackupIndex; }
inline void RollingFileAppender::setMaximumFileSize(qint64 maximumFileSize)
{ QMutexLocker locker(&mObjectGuard);
mMaximumFileSize = maximumFileSize; }
} // namespace Log4Qt
// Q_DECLARE_TYPEINFO(Log4Qt::RollingFileAppender, Q_COMPLEX_TYPE); // Use default
#endif // LOG4QT_ROLINGFILEAPPENDER_H
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