| 1 | #ifndef LOGGER_H |
| 2 | #define LOGGER_H |
| 3 | |
| 4 | /* Define syslog style log levels */ |
| 5 | #define LOGGER_EMERG 0 /* system is unusable */ |
| 6 | #define LOGGER_ALERT 1 /* action must be taken immediately */ |
| 7 | #define LOGGER_CRIT 2 /* critical conditions */ |
| 8 | #define LOGGER_ERR 3 /* error conditions */ |
| 9 | #define LOGGER_WARNING 4 /* warning conditions */ |
| 10 | #define LOGGER_NOTICE 5 /* normal but significant condition */ |
| 11 | #define LOGGER_INFO 6 /* informational */ |
| 12 | #define LOGGER_DEBUG 7 /* debug-level messages */ |
| 13 | |
| 14 | typedef void (*logger_callback_t)(int level, char *msg); |
| 15 | |
| 16 | struct logger_s { |
| 17 | int level; |
| 18 | logger_callback_t callback; |
| 19 | }; |
| 20 | typedef struct logger_s logger_t; |
| 21 | |
| 22 | void logger_init(logger_t *logger); |
| 23 | void logger_set_level(logger_t *logger, int level); |
| 24 | void logger_set_callback(logger_t *logger, logger_callback_t callback); |
| 25 | |
| 26 | void logger_log(logger_t *logger, int level, const char *fmt, ...); |
| 27 | |
| 28 | #endif |