Log.h

// $Id: Log.h 21 2010-09-05 04:18:17Z cschwarz1 $

#ifndef BASE_LOG_H
#define BASE_LOG_H

#include <cstdarg>
#include "File.h"
#include "Mutex.h"
#include "Process.h"

namespace base {

    class PPBASE_EXPORT Log: public Mutex {
    public:
        enum levels {
            FATAL = 1,   
            ERR,         
            WARNING,     
            NOTICE,      
            INFO,        
            DEBUG        
        };


        Log(const String &name, enum levels level = NOTICE);


        void debug(const char *func, const char *fmt, ...)
        #ifdef __GNUC__
            __attribute__((format(printf, 3, 4)))
        #endif
            ;


        void debug(const char *func, const String &msg);


        void error(const char *func, const char *fmt, ...)
        #ifdef __GNUC__
            __attribute__((format(printf, 3, 4)))
        #endif
            ;


        void error(const char *func, const String &msg);


        void error(const char *func, const Exception &ex);


        void fatal(const char *func, const char *fmt, ...)
        #ifdef __GNUC__
            __attribute__((format(printf, 3, 4)))
        #endif
            ;


        void fatal(const char *func, const String &msg);


        levels getLoglevel() const;


        String getLogfile();


        static const char *getLoglevelName(enum levels level);


        void info(const char *func, const char *fmt, ...)
        #ifdef __GNUC__
            __attribute__((format(printf, 3, 4)))
        #endif
            ;


        void info(const char *func, const String &msg);


        void vlog(enum levels level, const char *func, const char *fmt, va_list ap);


        void log(enum levels level, const char *func, const char *fmt, ...)
        #ifdef __GNUC__
            __attribute__((format(printf, 4, 5)))
        #endif
            ;


        void log(enum levels level, const char *func, const String &msg);


        void notice(const char *func, const char *fmt, ...)
        #ifdef __GNUC__
            __attribute__((format(printf, 3, 4)))
        #endif
            ;


        void notice(const char *func, const String &msg);


        void setLoglevel(enum levels level);


        void setPid(Process::pid_type pid = 0);


        void setStdErrLog(bool on = true);


        void warn(const char *func, const char *fmt, ...)
        #ifdef __GNUC__
            __attribute__((format(printf, 3, 4)))
        #endif
            ;


        void warn(const char *func, const String &msg);

    private:
        void updateLogfileName();

        File              _file;          
        int               _log_lastday;   
        String            _logfile;       
        bool              _logfilecustom; 
        enum levels       _loglevel;      
        Process::pid_type _pid;           
        bool              _stderr;        
        DateTime          _t;             
    };
}

#endif