Zabbix

/*

** Zabbix

** Copyright (C) 2001-2023 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** This program is distributed in the hope that it will be useful,

** but WITHOUT ANY WARRANTY; without even the implied warranty of

** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

** GNU General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

#ifndef ZABBIX_TIME_H

#define ZABBIX_TIME_H

​

#include "zbxcommon.h"

​

typedef struct

{

    int sec;    /* seconds */

    int ns; /* nanoseconds */

}

zbx_timespec_t;

​

/* time zone offset */

typedef struct

{

    char    tz_sign;    /* '+' or '-' */

    int tz_hour;

    int tz_min;

}

zbx_timezone_t;

​

#define zbx_timespec_compare(t1, t2)    \

    ((t1)->sec == (t2)->sec ? (t1)->ns - (t2)->ns : (t1)->sec - (t2)->sec)

​

typedef enum

{

    ZBX_TIME_UNIT_UNKNOWN,

    ZBX_TIME_UNIT_SECOND,

    ZBX_TIME_UNIT_MINUTE,

    ZBX_TIME_UNIT_HOUR,

    ZBX_TIME_UNIT_DAY,

    ZBX_TIME_UNIT_WEEK,

    ZBX_TIME_UNIT_MONTH,

    ZBX_TIME_UNIT_YEAR,

    ZBX_TIME_UNIT_ISOYEAR,

    ZBX_TIME_UNIT_COUNT

}

zbx_time_unit_t;

​

double      zbx_time(void);

void        zbx_timespec(zbx_timespec_t *ts);

double      zbx_current_time(void);

int     zbx_is_leap_year(int year);

void        zbx_get_time(struct tm *tm, long *milliseconds, zbx_timezone_t *tz);

long        zbx_get_timezone_offset(time_t t, struct tm *tm);

struct tm   *zbx_localtime(const time_t *time, const char *tz);

int     zbx_utc_time(int year, int mon, int mday, int hour, int min, int sec, int *t);

int     zbx_day_in_month(int year, int mon);

zbx_uint64_t    zbx_get_duration_ms(const zbx_timespec_t *ts);

​

zbx_time_unit_t zbx_tm_str_to_unit(const char *text);

int zbx_tm_parse_period(const char *period, size_t *len, int *multiplier, zbx_time_unit_t *base, char **error);

void    zbx_tm_add(struct tm *tm, int multiplier, zbx_time_unit_t base);

void    zbx_tm_sub(struct tm *tm, int multiplier, zbx_time_unit_t base);

void    zbx_tm_round_up(struct tm *tm, zbx_time_unit_t base);

void    zbx_tm_round_down(struct tm *tm, zbx_time_unit_t base);

const char  *zbx_timespec_str(const zbx_timespec_t *ts);

int zbx_get_week_number(const struct tm *tm);

int zbx_is_time_suffix(const char *str, int *value, int length);

int zbx_calculate_sleeptime(int nextcheck, int max_sleeptime);

​

char    *zbx_age2str(time_t age);

char    *zbx_date2str(time_t date, const char *tz);

char    *zbx_time2str(time_t time, const char *tz);

int zbx_iso8601_utc(const char *str, time_t *time);

​

typedef enum

{

    TIMEPERIOD_TYPE_ONETIME = 0,

/*  TIMEPERIOD_TYPE_HOURLY,*/

    TIMEPERIOD_TYPE_DAILY = 2,

    TIMEPERIOD_TYPE_WEEKLY,