59 lines
1.8 KiB
C
59 lines
1.8 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_OS_TIME_H_
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#define _TD_OS_TIME_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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int32_t taosGetTimeOfDay(struct timeval *tv);
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//@return timestamp in second
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int32_t taosGetTimestampSec();
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//@return timestamp in millisecond
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static FORCE_INLINE int64_t taosGetTimestampMs() {
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struct timeval systemTime;
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taosGetTimeOfDay(&systemTime);
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return (int64_t)systemTime.tv_sec * 1000L + (int64_t)systemTime.tv_usec / 1000;
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}
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//@return timestamp in microsecond
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static FORCE_INLINE int64_t taosGetTimestampUs() {
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struct timeval systemTime;
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taosGetTimeOfDay(&systemTime);
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return (int64_t)systemTime.tv_sec * 1000000L + (int64_t)systemTime.tv_usec;
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}
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//@return timestamp in nanosecond
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static FORCE_INLINE int64_t taosGetTimestampNs() {
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struct timespec systemTime = {0};
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clock_gettime(CLOCK_REALTIME, &systemTime);
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return (int64_t)systemTime.tv_sec * 1000000000L + (int64_t)systemTime.tv_nsec;
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}
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int32_t taosParseTime(char* timestr, int64_t* time, int32_t len, int32_t timePrec, int8_t dayligth);
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void deltaToUtcInitOnce();
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int64_t convertTimePrecision(int64_t time, int32_t fromPrecision, int32_t toPrecision);
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TD_OS_TIME_H_*/
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