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/*
* Copyright (c) 2014, Ford Motor Company
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following
* disclaimer in the documentation and/or other materials provided with the
* distribution.
*
* Neither the name of the Ford Motor Company nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/time.h>
#include <stdint.h>
#include "utils/date_time.h"
namespace date_time {
TimevalStruct DateTime::getCurrentTime() {
TimevalStruct currentTime;
timezone timeZone;
gettimeofday(¤tTime, &timeZone);
return currentTime;
}
int64_t date_time::DateTime::getSecs(const TimevalStruct &time) {
return static_cast<int64_t>(time.tv_sec);
}
int64_t DateTime::getmSecs(const TimevalStruct &time) {
return static_cast<int64_t>(time.tv_sec) * MILLISECONDS_IN_SECOND
+ time.tv_usec / MICROSECONDS_IN_MILLISECONDS;
}
int64_t DateTime::getuSecs(const TimevalStruct &time) {
return static_cast<int64_t>(time.tv_sec) * MILLISECONDS_IN_SECOND
* MICROSECONDS_IN_MILLISECONDS + time.tv_usec;
}
int64_t DateTime::calculateTimeSpan(const TimevalStruct& sinceTime) {
return calculateTimeDiff(getCurrentTime(), sinceTime);
}
int64_t DateTime::calculateTimeDiff(const TimevalStruct &time1,
const TimevalStruct &time2){
TimevalStruct ret;
if (Greater(time1, time2)) {
ret = Sub(time1, time2);
} else {
ret = Sub(time2, time1);
}
return getmSecs(ret);
}
TimevalStruct DateTime::Sub(const TimevalStruct& time1,
const TimevalStruct& time2) {
TimevalStruct ret;
timersub(&time1, &time2, &ret);
return ret;
}
bool DateTime::Greater(const TimevalStruct& time1, const TimevalStruct& time2) {
return timercmp(&time1, &time2, >);
}
bool DateTime::Less(const TimevalStruct& time1, const TimevalStruct& time2) {
return timercmp(&time1, &time2, <);
}
bool DateTime::Equal(const TimevalStruct& time1, const TimevalStruct& time2) {
return !timercmp(&time1, &time2, !=);
}
TimeCompare date_time::DateTime::compareTime(const TimevalStruct &time1, const TimevalStruct &time2) {
if (Greater(time1, time2)) return GREATER;
if (Less(time1, time2)) return LESS;
return EQUAL;
}
} // namespace date_time
bool operator<(const TimevalStruct& time1, const TimevalStruct& time2) {
return date_time::DateTime::Less(time1, time2);
}
bool operator==(const TimevalStruct& time1, const TimevalStruct& time2) {
return date_time::DateTime::Equal(time1, time2);
}
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