96 lines
3.6 KiB
C
96 lines
3.6 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _TD_COMMON_TIME_H_
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#define _TD_COMMON_TIME_H_
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#include "taosdef.h"
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#include "tmsg.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define TIME_IS_VAR_DURATION(_t) ((_t) == 'n' || (_t) == 'y' || (_t) == 'N' || (_t) == 'Y')
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#define TIME_UNIT_NANOSECOND 'b'
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#define TIME_UNIT_MICROSECOND 'u'
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#define TIME_UNIT_MILLISECOND 'a'
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#define TIME_UNIT_SECOND 's'
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#define TIME_UNIT_MINUTE 'm'
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#define TIME_UNIT_HOUR 'h'
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#define TIME_UNIT_DAY 'd'
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#define TIME_UNIT_WEEK 'w'
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#define TIME_UNIT_MONTH 'n'
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#define TIME_UNIT_YEAR 'y'
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/*
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* @return timestamp decided by global conf variable, tsTimePrecision
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* if precision == TSDB_TIME_PRECISION_MICRO, it returns timestamp in microsecond.
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* precision == TSDB_TIME_PRECISION_MILLI, it returns timestamp in millisecond.
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* precision == TSDB_TIME_PRECISION_NANO, it returns timestamp in nanosecond.
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*/
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static FORCE_INLINE int64_t taosGetTimestamp(int32_t precision) {
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if (precision == TSDB_TIME_PRECISION_MICRO) {
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return taosGetTimestampUs();
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} else if (precision == TSDB_TIME_PRECISION_NANO) {
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return taosGetTimestampNs();
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} else {
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return taosGetTimestampMs();
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}
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}
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/*
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* @return timestamp of today at 00:00:00 in given precision
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* if precision == TSDB_TIME_PRECISION_MICRO, it returns timestamp in microsecond.
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* precision == TSDB_TIME_PRECISION_MILLI, it returns timestamp in millisecond.
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* precision == TSDB_TIME_PRECISION_NANO, it returns timestamp in nanosecond.
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*/
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static FORCE_INLINE int64_t taosGetTimestampToday(int32_t precision) {
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int64_t factor = (precision == TSDB_TIME_PRECISION_MILLI) ? 1000
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: (precision == TSDB_TIME_PRECISION_MICRO) ? 1000000
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: 1000000000;
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time_t t = taosTime(NULL);
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struct tm* tm = taosLocalTime(&t, NULL);
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tm->tm_hour = 0;
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tm->tm_min = 0;
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tm->tm_sec = 0;
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return (int64_t)taosMktime(tm) * factor;
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}
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int64_t taosTimeAdd(int64_t t, int64_t duration, char unit, int32_t precision);
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int64_t taosTimeTruncate(int64_t t, const SInterval* pInterval, int32_t precision);
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int32_t taosTimeCountInterval(int64_t skey, int64_t ekey, int64_t interval, char unit, int32_t precision);
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int32_t parseAbsoluteDuration(const char* token, int32_t tokenlen, int64_t* ts, char* unit, int32_t timePrecision);
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int32_t parseNatualDuration(const char* token, int32_t tokenLen, int64_t* duration, char* unit, int32_t timePrecision);
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int32_t taosParseTime(const char* timestr, int64_t* time, int32_t len, int32_t timePrec, int8_t dayligth);
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void deltaToUtcInitOnce();
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char getPrecisionUnit(int32_t precision);
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int64_t convertTimePrecision(int64_t time, int32_t fromPrecision, int32_t toPrecision);
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int64_t convertTimeFromPrecisionToUnit(int64_t time, int32_t fromPrecision, char toUnit);
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int32_t convertStringToTimestamp(int16_t type, char* inputData, int64_t timePrec, int64_t* timeVal);
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void taosFormatUtcTime(char* buf, int32_t bufLen, int64_t time, int32_t precision);
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TD_COMMON_TIME_H_*/
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