logger.h

Go to the documentation of this file.

#ifndef __COMMON_LOGGER_H
#define __COMMON_LOGGER_H

#include "ilogger.h"

#include <QObject>
#include <QString>
#include <QHash>
#include <QExplicitlySharedDataPointer>
#include <QSharedData>

class QThread;


namespace eVaf {
namespace Common {
namespace Internal {

void defFatalMsgHandler(QString const & msg, QString const & source, QString const & where);

class LoggerSource : public QSharedData
{
public:

    LoggerSource();

    LoggerSource(LoggerSource const & o);

    void init(QString const & source);


public: // Members (we don't bother adding getter/setter functions)

    QString name;

    iLogger::Severity severity;

    QString fileName;

    uint maxSize;

    uint maxCount;

};

class LoggerWorker : public QObject
{
    Q_OBJECT

public slots:

    void writeToLogFile(LoggerSource const & src, QString const & msg);

};

class Logger : public iLogger
{
    Q_OBJECT

public:

    Logger();

    virtual ~Logger();

    bool init();

    /*
        iLogger interface
    */

    virtual QString defaultSource() const;

    virtual void setDefaultSource(QString const & source);

    virtual iLogger::Severity severity(QString const & source = 0);

    virtual void setSeverity(iLogger::Severity severity, QString const & source = 0);

    virtual uint maxSize(QString const & source = 0);

    virtual void setMaxSize(uint maxSize, QString const & source = 0);

    virtual uint maxCount(QString const & source = 0);

    virtual void setMaxCount(uint maxCount, QString const & source = 0);

    virtual iLogger::Severity consoleSeverity() const { return mConsoleSeverity; }

    virtual void setConsoleSeverity(iLogger::Severity severity);

    virtual void write(Severity severity, QString const & msg, QString const & source = 0, QString const & where = 0);

    virtual QString printf(char const * const fmt, ...) const;

    virtual QString printable(QByteArray const & msg) const;

    virtual FatalMsgHandler installFatalMsgHandler(FatalMsgHandler newHandler);


signals:

    void writeToLogFile(LoggerSource const & src, QString const & msg);


private: // Members

    bool mReady;

    FatalMsgHandler mFatalMsgHandler;

    iLogger::Severity mConsoleSeverity;

    QExplicitlySharedDataPointer<LoggerSource> mDefaultSource;

    QHash<QString, QExplicitlySharedDataPointer<LoggerSource> > mSources;

    QThread * mThread;

    LoggerWorker * mWorker;


private: // Methods

    LoggerSource * getSource(QString const & name = QString());

#ifdef Q_OS_WIN32
    void setColor(short int c);
#endif

};

} // namespace eVaf::Common::Internal
} // namespace eVaf::Common
} // namespace eVaf

#endif // logger.h