view src/os/unix/ngx_time.h @ 9299:2706b60dc225 default tip

Core: error logging rate limiting. With this change, error logging to files can be rate-limited with the "rate=" parameter. The parameter specifies allowed log messages rate to a particular file (per worker), in messages per second (m/s). By default, "rate=1000m/s" is used. Rate limiting is implemented using the "leaky bucket" method, similarly to the limit_req module. Maximum burst size is set to the number of log messages per second for each severity level, so "error" messages are logged even if the rate limit is hit by "info" messages (but not vice versa). When the limit is reached for a particular level, the "too many log messages, limiting" message is logged at this level. If debug logging is enabled, either for the particular log file or for the particular connection, rate limiting is not used.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 25 Jun 2024 22:58:56 +0300
parents d620f497c50f
children
line wrap: on
line source


/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_TIME_H_INCLUDED_
#define _NGX_TIME_H_INCLUDED_


#include <ngx_config.h>
#include <ngx_core.h>


typedef ngx_rbtree_key_t      ngx_msec_t;
typedef ngx_rbtree_key_int_t  ngx_msec_int_t;

typedef struct tm             ngx_tm_t;

#define ngx_tm_sec            tm_sec
#define ngx_tm_min            tm_min
#define ngx_tm_hour           tm_hour
#define ngx_tm_mday           tm_mday
#define ngx_tm_mon            tm_mon
#define ngx_tm_year           tm_year
#define ngx_tm_wday           tm_wday
#define ngx_tm_isdst          tm_isdst

#define ngx_tm_sec_t          int
#define ngx_tm_min_t          int
#define ngx_tm_hour_t         int
#define ngx_tm_mday_t         int
#define ngx_tm_mon_t          int
#define ngx_tm_year_t         int
#define ngx_tm_wday_t         int


#if (NGX_HAVE_GMTOFF)
#define ngx_tm_gmtoff         tm_gmtoff
#define ngx_tm_zone           tm_zone
#endif


#if (NGX_SOLARIS)

#define ngx_timezone(isdst) (- (isdst ? altzone : timezone) / 60)

#else

#define ngx_timezone(isdst) (- (isdst ? timezone + 3600 : timezone) / 60)

#endif


void ngx_timezone_update(void);
void ngx_localtime(time_t s, ngx_tm_t *tm);
void ngx_libc_localtime(time_t s, struct tm *tm);
void ngx_libc_gmtime(time_t s, struct tm *tm);

#define ngx_gettimeofday(tp)  (void) gettimeofday(tp, NULL);
#define ngx_msleep(ms)        (void) usleep(ms * 1000)
#define ngx_sleep(s)          (void) sleep(s)


#endif /* _NGX_TIME_H_INCLUDED_ */