BrainBlast/_software_lib/nanomq-0.22.10/include/nng/supplemental/nanolib/log.h

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#ifndef NNG_NANOLIB_LOG_H
#define NNG_NANOLIB_LOG_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdint.h>
#include <time.h>
#include "nng/nng.h"
#define LOG_VERSION "0.2.1"
/**
* 2023-12-08 move conf_log to log.h
*/
// log type
#define LOG_TO_FILE (1 << 0)
#define LOG_TO_CONSOLE (1 << 1)
#define LOG_TO_SYSLOG (1 << 2)
#define LOG_TO_UDS (1 << 3)
typedef struct conf_log conf_log;
struct conf_log {
uint8_t type;
int level;
char *dir;
char *file;
char *uds_addr;
FILE *fp;
char *abs_path; // absolut path of log file
char *rotation_sz_str; // 1000KB, 100MB, 10GB
uint64_t rotation_sz; // unit: byte
size_t rotation_count; // rotation count
};
typedef struct {
va_list ap;
const char *fmt;
const char *file;
const char *func;
struct tm time;
void * udata;
int line;
int level;
conf_log * config;
} log_event;
typedef void (*log_func)(log_event *ev);
enum {
NNG_LOG_FATAL = 0,
NNG_LOG_ERROR,
NNG_LOG_WARN,
NNG_LOG_INFO,
NNG_LOG_DEBUG,
NNG_LOG_TRACE,
};
NNG_DECL const char *log_level_string(int level);
NNG_DECL int log_level_num(const char *level);
NNG_DECL void log_set_level(int level);
NNG_DECL int log_add_callback(
log_func fn, void *udata, int level, void *mtx, conf_log *config);
NNG_DECL void log_add_console(int level, void *mtx);
NNG_DECL int log_add_fp(FILE *fp, int level, void *mtx, conf_log *config);
NNG_DECL void log_add_syslog(const char *log_name, uint8_t level, void *mtx);
NNG_DECL void log_add_uds(const char *uds_path, const char *log_name, uint8_t level, void *mtx);
NNG_DECL void uds_closelog(void);
NNG_DECL void log_log(int level, const char *file, int line, const char *func,
const char *fmt, ...);
NNG_DECL void log_clear_callback();
#ifdef ENABLE_LOG
#define log_trace(...) \
log_log(NNG_LOG_TRACE, __FILE__, __LINE__, __FUNCTION__, __VA_ARGS__)
#define log_debug(...) \
log_log(NNG_LOG_DEBUG, __FILE__, __LINE__, __FUNCTION__, __VA_ARGS__)
#define log_info(...) \
log_log(NNG_LOG_INFO, __FILE__, __LINE__, __FUNCTION__, __VA_ARGS__)
#define log_warn(...) \
log_log(NNG_LOG_WARN, __FILE__, __LINE__, __FUNCTION__, __VA_ARGS__)
#define log_error(...) \
log_log(NNG_LOG_ERROR, __FILE__, __LINE__, __FUNCTION__, __VA_ARGS__)
#define log_fatal(...) \
log_log(NNG_LOG_FATAL, __FILE__, __LINE__, __FUNCTION__, __VA_ARGS__)
#else
static inline void dummy_log_function(const char *fmt, ...) { (void)fmt; }
#define log_trace(...) dummy_log_function(__VA_ARGS__)
#define log_debug(...) dummy_log_function(__VA_ARGS__)
#define log_info(...) dummy_log_function(__VA_ARGS__)
#define log_warn(...) dummy_log_function(__VA_ARGS__)
#define log_error(...) dummy_log_function(__VA_ARGS__)
#define log_fatal(...) dummy_log_function(__VA_ARGS__)
#endif
#ifdef __cplusplus
}
#endif
#endif