debug.h

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#ifndef JANUS_DEBUG_H
#define JANUS_DEBUG_H
 
#include <glib.h>
#include <glib/gprintf.h>
#include "log.h"
 
extern int janus_log_level;
extern gboolean janus_log_timestamps;
extern gboolean janus_log_colors;
extern char *janus_log_global_prefix;
 
#define ANSI_COLOR_RED     "\x1b[31m"
#define ANSI_COLOR_GREEN   "\x1b[32m"
#define ANSI_COLOR_YELLOW  "\x1b[33m"
#define ANSI_COLOR_BLUE    "\x1b[34m"
#define ANSI_COLOR_MAGENTA "\x1b[35m"
#define ANSI_COLOR_CYAN    "\x1b[36m"
#define ANSI_COLOR_RESET   "\x1b[0m"
 
 
#define LOG_NONE     (0)
#define LOG_FATAL    (1)
#define LOG_ERR      (2)
#define LOG_WARN     (3)
#define LOG_INFO     (4)
#define LOG_VERB     (5)
#define LOG_HUGE     (6)
#define LOG_DBG      (7)
#define LOG_MAX LOG_DBG
 
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-variable"
static const char *janus_log_prefix[] = {
/* no colors */
        "",
        "[FATAL] ",
        "[ERR] ",
        "[WARN] ",
        "",
        "",
        "",
        "",
/* with colors */
        "",
        ANSI_COLOR_MAGENTA "[FATAL]" ANSI_COLOR_RESET " ",
        ANSI_COLOR_RED "[ERR]" ANSI_COLOR_RESET " ",
        ANSI_COLOR_YELLOW "[WARN]" ANSI_COLOR_RESET " ",
        "",
        "",
        "",
        ""
};
#pragma GCC diagnostic pop
 
 
#define JANUS_PRINT janus_vprintf
#define JANUS_LOG(level, format, ...) \
do { \
        if (level > LOG_NONE && level <= LOG_MAX && level <= janus_log_level) { \
                char janus_log_ts[64] = ""; \
                char janus_log_src[128] = ""; \
                if (janus_log_timestamps) { \
                        struct tm janustmresult; \
                        time_t janusltime = time(NULL); \
                        localtime_r(&janusltime, &janustmresult); \
                        strftime(janus_log_ts, sizeof(janus_log_ts), \
                                 "[%a %b %e %T %Y] ", &janustmresult); \
                } \
                if (level == LOG_FATAL || level == LOG_ERR || level == LOG_DBG) { \
                        snprintf(janus_log_src, sizeof(janus_log_src), \
                                 "[%s:%s:%d] ", __FILE__, __FUNCTION__, __LINE__); \
                } \
                JANUS_PRINT("%s%s%s%s" format, \
                        janus_log_global_prefix ? janus_log_global_prefix : "", \
                        janus_log_ts, \
                        janus_log_prefix[level | ((int)janus_log_colors << 3)], \
                        janus_log_src, \
                        ##__VA_ARGS__); \
        } \
} while (0)
 
#endif