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#include "timestamp.h"
#include <math.h>
#include <time.h>
#include <iostream>
#include <chrono>
double amb::currentTime()
{
return Timestamp::instance()->currentTime();
}
amb::Timestamp* amb::Timestamp::mInstance = nullptr;
amb::Timestamp::Timestamp()
{
auto tm = std::chrono::system_clock::now();
auto tm2 = std::chrono::steady_clock::now();
double eTime = (std::chrono::duration_cast<std::chrono::milliseconds>(tm.time_since_epoch()).count() / 1000.00);
double sTime = (std::chrono::duration_cast<std::chrono::milliseconds>(tm2.time_since_epoch()).count() / 1000.00);
startTimeEpoch = eTime - sTime;
}
double amb::Timestamp::currentTime()
{
auto tm = std::chrono::steady_clock::now();
double time = std::chrono::duration_cast<std::chrono::milliseconds>(tm.time_since_epoch()).count() / 1000.00;
return time;
}
double amb::Timestamp::epochTime(double time)
{
return startTimeEpoch + time;
}
double amb::Timestamp::currentTime(double time)
{
return time - startTimeEpoch;
}
double amb::Timestamp::epochTime()
{
auto tm = std::chrono::system_clock::now();
double time = std::chrono::duration_cast<std::chrono::milliseconds>(tm.time_since_epoch()).count() / 1000.00;
return time;
}
amb::Timestamp* amb::Timestamp::instance()
{
if(!mInstance)
mInstance = new Timestamp();
return mInstance;
}
double amb::Timestamp::fromTimeval(const struct ::timeval &tv)
{
return tv.tv_sec*1.0 + tv.tv_usec*1e-6;
}
struct ::timeval amb::Timestamp::toTimeval(const double time)
{
return { (__time_t) time, (__suseconds_t)fmod(time*1e6, 1e6) };
}
struct ::bcm_timeval amb::Timestamp::toBcmTimeval(const double time)
{
return { (long) time, (long)fmod(time*1e6, 1e6) };
}
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