xroad_time.h

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#pragma once
 
#include "xroad_common_types.h"
#include "xroad_string.h"
#include "xroad_tzone.h"
#include <stdint.h>
#include <time.h>
#include <sys/time.h>
 
#define xroad_time_null (xroad_time_t){0}
 
#ifdef __cplusplus
extern "C"
{
#endif
 
typedef struct
{
   uint8_t hour;
   uint8_t min;
   uint8_t sec;
   uint32_t usec;
   xroad_tzone_t tz;
} xroad_time_t;
 
xroad_time_t xroad_time_create(uint8_t hour, uint8_t min, uint8_t sec, uint32_t usec, xroad_tzone_t tz);
 
bool xroad_time_is_null(xroad_time_t time);
 
xroad_time_t xroad_time_from_str(xroad_str_t time);
 
#define xroad_time_to_str(tm)                                                   \
({                                                                              \
   char* buff = (char*)alloca(64);                                              \
   int32_t s = xroad_format(                                                    \
         buff, 64, "%02d:%02d:%02d", tm.hour, tm.min, tm.sec);                  \
   if (tm.usec)                                                                 \
   {                                                                            \
      s += xroad_format(buff + s, 64 - s, ".%D", tm.usec);                      \
   }                                                                            \
   if (tm.tz > 0)                                                               \
   {                                                                            \
      s += xroad_format(buff + s, 64 - s, " %P", xroad_tzone_get_name(tm.tz));  \
   }                                                                            \
   xroad_str_len(buff, s);                                                      \
})
 
#define xroad_time_to_sql(v)                 \
({                                           \
   char* buf = "NULL";                       \
   uint32_t len = 4;                         \
   xroad_time_t dt = (v);                    \
   if (!xroad_time_is_null(dt))              \
   {                                         \
      xroad_str_t s = xroad_time_to_str(dt); \
      buf = alloca(s.len + 2);               \
      buf[0] = '\'';                         \
      memcpy(buf + 1, s.data, s.len);        \
      buf[s.len + 1] = '\'';                 \
      len = s.len + 2;                       \
   }                                         \
   xroad_str_len(buf, len);                  \
})
 
int64_t xroad_time_cmp(xroad_time_t lhs, xroad_time_t rhs);
 
xroad_time_t xroad_time_min(xroad_time_t a, xroad_time_t b);
 
xroad_time_t xroad_time_max(xroad_time_t a, xroad_time_t b);
 
xroad_time_t xroad_time_from_str(xroad_str_t time);
 
int64_t xroad_time_to_usec(xroad_time_t time);
 
xroad_time_t xroad_time_from_ts(xroad_timestamp_t ts, xroad_tzone_t tz);
 
xroad_timestamp_t xroad_time_to_ts(xroad_time_t time);
 
xroad_time_t xroad_time_now(xroad_tzone_t tz);
 
xroad_time_t xroad_time_change_tz(xroad_time_t tm, xroad_tzone_t new_tz);
 
int64_t xroad_time_distance(xroad_time_t a, xroad_time_t b);
 
xroad_time_t xroad_time_adjust(xroad_time_t time, int64_t usec);
 
xroad_timestamp_t xroad_now();
 
xroad_timestamp_t xroad_now_nano();
 
xroad_timestamp_t xroad_now_sec();
 
xroad_timestamp_t xroad_now_monotonic(void);
 
int64_t xroad_time_start_of_day(time_t now);
 
#ifdef __cplusplus
}
#endif