log.h

 
 
#ifndef ASRT_LOG_H
#define ASRT_LOG_H
 
#include <stdarg.h>
#include <stdio.h>
#include <time.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
enum asrt_log_level
{
        ASRT_LOG_DEBUG = 1,  
        ASRT_LOG_INFO  = 2,  
        ASRT_LOG_ERROR = 4,  
};
 
void asrt_log( enum asrt_log_level level, char const* module, char const* fmt, ... );
 
#define ASRT_DBG_LOG( module, ... ) asrt_log( ASRT_LOG_DEBUG, module, __VA_ARGS__ )
 
#define ASRT_INF_LOG( module, ... ) asrt_log( ASRT_LOG_INFO, module, __VA_ARGS__ )
 
#define ASRT_ERR_LOG( module, ... ) asrt_log( ASRT_LOG_ERROR, module, __VA_ARGS__ )
 
#define ASRT_DEFINE_GPOS_LOG_IMPL                                                             \
        void asrt_log_impl(                                                                   \
            enum asrt_log_level level, char const* module, char const* fmt, va_list args )    \
        {                                                                                     \
                                                                                              \
                char const* level_str = "UNK";                                                \
                switch ( level ) {                                                            \
                case ASRT_LOG_DEBUG:                                                          \
                        level_str = "\033[36mDEBUG\033[0m";                                   \
                        break;                                                                \
                case ASRT_LOG_INFO:                                                           \
                        level_str = "\033[32mINFO\033[0m";                                    \
                        break;                                                                \
                case ASRT_LOG_ERROR:                                                          \
                        level_str = "\033[31mERROR\033[0m";                                   \
                        break;                                                                \
                default:                                                                      \
                        break;                                                                \
                }                                                                             \
                                                                                              \
                char      timebuf[32];                                                        \
                time_t    t = time( NULL );                                                   \
                struct tm tm;                                                                 \
                localtime_r( &t, &tm );                                                       \
                strftime( timebuf, sizeof( timebuf ), "%Y%m%d %H%M%S", &tm );                 \
                                                                                              \
                fprintf( stderr, "%s %s %s :: ", timebuf, module ? module : "-", level_str ); \
                vfprintf( stderr, fmt, args );                                                \
                fprintf( stderr, "\n" );                                                      \
        }
 
#define ASRT_DEFINE_GPOS_LOG()                                                               \
        ASRT_DEFINE_GPOS_LOG_IMPL                                                            \
        void asrt_log( enum asrt_log_level level, char const* module, char const* fmt, ... ) \
        {                                                                                    \
                va_list args;                                                                \
                va_start( args, fmt );                                                       \
                asrt_log_impl( level, module, fmt, args );                                   \
                va_end( args );                                                              \
        }
 
#ifdef __cplusplus
}
#endif
 
#endif