debug.h

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#ifndef IMQUIC_DEBUG_H
#define IMQUIC_DEBUG_H
 
#include <inttypes.h>
 
#include <glib.h>
#include <glib/gprintf.h>
 
extern int imquic_log_level;
extern gboolean imquic_log_timestamps;
extern gboolean imquic_log_colors;
extern void (* imquic_log_function)(int level, const char *format, ...);
 
#define IMQUIC_MAX_VARINT (((uint64_t)1 << 62) - 1)

#define IMQUIC_ANSI_COLOR_RED     "\x1b[31m"
#define IMQUIC_ANSI_COLOR_GREEN   "\x1b[32m"
#define IMQUIC_ANSI_COLOR_YELLOW  "\x1b[33m"
#define IMQUIC_ANSI_COLOR_BLUE    "\x1b[34m"
#define IMQUIC_ANSI_COLOR_MAGENTA "\x1b[35m"
#define IMQUIC_ANSI_COLOR_CYAN    "\x1b[36m"
#define IMQUIC_ANSI_COLOR_RESET   "\x1b[0m"


#define IMQUIC_LOG_NONE     (0)
#define IMQUIC_LOG_FATAL    (1)
#define IMQUIC_LOG_ERR      (2)
#define IMQUIC_LOG_WARN     (3)
#define IMQUIC_LOG_INFO     (4)
#define IMQUIC_LOG_VERB     (5)
#define IMQUIC_LOG_HUGE     (6)
#define IMQUIC_LOG_DBG      (7)
#define IMQUIC_LOG_MAX IMQUIC_LOG_DBG
 
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-variable"
static const char *imquic_log_prefix[] = {
/* no colors */
        "",
        "[FATAL] ",
        "[ERR] ",
        "[WARN] ",
        "",
        "",
        "",
        "",
/* with colors */
        "",
        IMQUIC_ANSI_COLOR_MAGENTA"[FATAL]"IMQUIC_ANSI_COLOR_RESET" ",
        IMQUIC_ANSI_COLOR_RED"[ERR]"IMQUIC_ANSI_COLOR_RESET" ",
        IMQUIC_ANSI_COLOR_YELLOW"[WARN]"IMQUIC_ANSI_COLOR_RESET" ",
        "",
        "",
        "",
        ""
};
#pragma GCC diagnostic pop


#define IMQUIC_PRINT(format, ...) \
do { \
        if(imquic_log_function == NULL) { \
                g_print(format, \
                        ##__VA_ARGS__); \
        } else { \
                imquic_log_function(IMQUIC_LOG_NONE, format, \
                        ##__VA_ARGS__); \
        } \
} while (0)

#define IMQUIC_LOG(level, format, ...) \
do { \
        if (level > IMQUIC_LOG_NONE && level <= IMQUIC_LOG_MAX && level <= imquic_log_level) { \
                if(imquic_log_function == NULL) { \
                        char imquic_log_ts[64] = ""; \
                        char imquic_log_src[128] = ""; \
                        if (imquic_log_timestamps) { \
                                struct tm imquictmresult; \
                                time_t imquicltime = time(NULL); \
                                localtime_r(&imquicltime, &imquictmresult); \
                                strftime(imquic_log_ts, sizeof(imquic_log_ts), \
                                                 "[%a %b %e %T %Y] ", &imquictmresult); \
                        } \
                        if (level == IMQUIC_LOG_FATAL || level == IMQUIC_LOG_ERR || level == IMQUIC_LOG_DBG) { \
                                snprintf(imquic_log_src, sizeof(imquic_log_src), \
                                                 "[%s:%s:%d] ", __FILE__, __FUNCTION__, __LINE__); \
                        } \
                        g_print("%s%s%s" format, \
                                        imquic_log_ts, \
                                        imquic_log_prefix[level | ((int)imquic_log_colors << 3)], \
                                        imquic_log_src, \
                                        ##__VA_ARGS__); \
                } else { \
                        imquic_log_function(level, format, \
                                ##__VA_ARGS__); \
                } \
        } \
} while (0)

 
#endif