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A Wrapper Class for NT Services


August 1998/A Wrapper Class for NT Services/Listing 6

Listing 6: Header file for TAppLog class

#ifndef _TAPPLOG_H_
#define _TAPPLOG_H_

#include <stdarg.h>

enum LOG_LEVEL 
{ 
    LOG_NONE, 
    LOG_ERROR, 
    LOG_WARNING,
    LOG_INFORM, 
    LOG_ALL,
    LOG_DEBUG
};

class TAppLog
{
    HANDLE      m_hEventLog;
    LOG_LEVEL   m_loglevel;
    char        m_srcname[36];

//=================================================================
protected:
    TAppLog( void );
    TAppLog( TAppLog& );

    bool IsInstalled( void );

public:
    TAppLog( LPTSTR src_name, LOG_LEVEL loglevel = LOG_ALL );
    virtual ~TAppLog( void );

    virtual bool    Install( void );
    virtual bool    Uninstall( void );

    virtual bool LogEvent( LOG_LEVEL, char*, ...);
    virtual bool LogEventVL( LOG_LEVEL, char*, va_list );

    virtual LOG_LEVEL SetLogLevel( LOG_LEVEL loglevel );
};

inline LOG_LEVEL TAppLog::SetLogLevel( LOG_LEVEL loglevel )
{ 
    return (m_loglevel = loglevel);
}

#endif
/* End of File */

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