mirror of https://github.com/asterisk/asterisk
Added a TIME_UNIT enumeration, and a function that converts a string to one of the enumerated values. Also, added functions that create and initialize a timeval object using a specified value, and unit type. Change-Id: Ic31a1c3262a44f77a5ef78bfc85dcf69a8d4739218.4
Kevin Harwell
4 years ago
committed by
George Joseph
parent
35302efe73
commit
15de2f1727
@ -0,0 +1,145 @@
|
||||
/*
|
||||
* Asterisk -- An open source telephony toolkit.
|
||||
*
|
||||
* Copyright (C) 2021, Sangoma Technologies Corporation
|
||||
*
|
||||
* See http://www.asterisk.org for more information about
|
||||
* the Asterisk project. Please do not directly contact
|
||||
* any of the maintainers of this project for assistance;
|
||||
* the project provides a web site, mailing lists and IRC
|
||||
* channels for your use.
|
||||
*
|
||||
* This program is free software, distributed under the terms of
|
||||
* the GNU General Public License Version 2. See the LICENSE file
|
||||
* at the top of the source tree.
|
||||
*/
|
||||
|
||||
/*! \file
|
||||
*
|
||||
* \brief Date/Time utility functions
|
||||
*/
|
||||
|
||||
/*** MODULEINFO
|
||||
<support_level>core</support_level>
|
||||
***/
|
||||
|
||||
#include <inttypes.h>
|
||||
#include <string.h>
|
||||
#include <time.h>
|
||||
|
||||
#include "asterisk/time.h"
|
||||
|
||||
const char *nanosecond_labels[] = {"ns", "nsec", "nanosecond"};
|
||||
const char *microsecond_labels[] = {"us", "usec", "microsecond"};
|
||||
const char *millisecond_labels[] = {"ms", "msec", "millisecond"};
|
||||
const char *second_labels[] = {"s", "sec", "second"};
|
||||
const char *minute_labels[] = {"m", "min", "minute"};
|
||||
const char *hour_labels[] = {"h", "hr", "hour"};
|
||||
const char *day_labels[] = {"d", "", "day"};
|
||||
const char *week_labels[] = {"w", "wk", "week"};
|
||||
const char *month_labels[] = {"mo", "mth", "month"};
|
||||
const char *year_labels[] = {"y", "yr", "year"};
|
||||
|
||||
#define MAX_UNIT_LABELS 3
|
||||
|
||||
struct time_unit_labels {
|
||||
enum TIME_UNIT unit;
|
||||
const char **values;
|
||||
};
|
||||
|
||||
static struct time_unit_labels unit_labels[] = {
|
||||
{ TIME_UNIT_NANOSECOND, nanosecond_labels },
|
||||
{ TIME_UNIT_MICROSECOND, microsecond_labels },
|
||||
{ TIME_UNIT_MILLISECOND, millisecond_labels },
|
||||
{ TIME_UNIT_MONTH, month_labels }, /* Here so "mo" matches before "m" */
|
||||
{ TIME_UNIT_SECOND, second_labels },
|
||||
{ TIME_UNIT_MINUTE, minute_labels },
|
||||
{ TIME_UNIT_HOUR, hour_labels },
|
||||
{ TIME_UNIT_DAY, day_labels },
|
||||
{ TIME_UNIT_WEEK, week_labels },
|
||||
{ TIME_UNIT_YEAR, year_labels },
|
||||
};
|
||||
|
||||
const unsigned int unit_labels_size = sizeof(unit_labels) / sizeof(0[unit_labels]);
|
||||
|
||||
enum TIME_UNIT ast_time_str_to_unit(const char *unit)
|
||||
{
|
||||
size_t i, j;
|
||||
|
||||
if (!unit) {
|
||||
return TIME_UNIT_ERROR;
|
||||
}
|
||||
|
||||
for (i = 0; i < unit_labels_size; ++i) {
|
||||
for (j = 0; j < MAX_UNIT_LABELS; ++j) {
|
||||
/*
|
||||
* A lazy pluralization check. If the given unit string at least starts
|
||||
* with a label assume a match.
|
||||
*/
|
||||
if (*unit_labels[i].values[j] && !strncasecmp(unit, unit_labels[i].values[j],
|
||||
strlen(unit_labels[i].values[j]))) {
|
||||
return unit_labels[i].unit;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return TIME_UNIT_ERROR;
|
||||
}
|
||||
|
||||
ast_suseconds_t ast_time_tv_to_usec(const struct timeval *tv)
|
||||
{
|
||||
return tv->tv_sec * 1000000 + tv->tv_usec;
|
||||
}
|
||||
|
||||
struct timeval ast_time_create(ast_time_t sec, ast_suseconds_t usec)
|
||||
{
|
||||
return ast_tv(sec, usec);
|
||||
}
|
||||
|
||||
/*!
|
||||
* \brief Create a timeval first onverting the given microsecond value
|
||||
* into seconds and microseconds
|
||||
*
|
||||
* \param usec microsecond value
|
||||
*
|
||||
* \return A timeval structure
|
||||
*/
|
||||
static struct timeval normalize_and_create(unsigned long usec)
|
||||
{
|
||||
return ast_time_create(usec / 1000000, usec % 1000000);
|
||||
}
|
||||
|
||||
struct timeval ast_time_create_by_unit(unsigned long val, enum TIME_UNIT unit)
|
||||
{
|
||||
switch (unit) {
|
||||
case TIME_UNIT_NANOSECOND:
|
||||
return normalize_and_create(val / 1000);
|
||||
case TIME_UNIT_MICROSECOND:
|
||||
return normalize_and_create(val);
|
||||
case TIME_UNIT_MILLISECOND:
|
||||
return normalize_and_create(val * 1000);
|
||||
case TIME_UNIT_SECOND:
|
||||
return ast_time_create(val, 0);
|
||||
case TIME_UNIT_MINUTE:
|
||||
return ast_time_create(val * 60, 0);
|
||||
case TIME_UNIT_HOUR:
|
||||
return ast_time_create(val * 3600, 0);
|
||||
case TIME_UNIT_DAY:
|
||||
return ast_time_create(val * 86400, 0);
|
||||
case TIME_UNIT_WEEK:
|
||||
return ast_time_create(val * 604800, 0);
|
||||
case TIME_UNIT_MONTH:
|
||||
/* Using Gregorian mean month - 30.436875 * 86400 */
|
||||
return ast_time_create(val * 2629746, 0);
|
||||
case TIME_UNIT_YEAR:
|
||||
/* Using Gregorian year - 365.2425 * 86400 */
|
||||
return ast_time_create(val * 31556952, 0);
|
||||
default:
|
||||
return ast_time_create(0, 0);
|
||||
}
|
||||
}
|
||||
|
||||
struct timeval ast_time_create_by_unit_str(unsigned long val, const char *unit)
|
||||
{
|
||||
return ast_time_create_by_unit(val, ast_time_str_to_unit(unit));
|
||||
}
|
||||
Loading…
Reference in new issue