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#include "stopwatch.h"
#include <cmath>
#include <sstream>
#include <boost/date_time/posix_time/posix_time.hpp>
Stopwatch::Stopwatch() : _running(false), _sum(boost::posix_time::seconds(0)) {}
Stopwatch::Stopwatch(bool start)
: _running(start),
_startTime(boost::posix_time::microsec_clock::local_time()),
_sum(boost::posix_time::seconds(0)) {}
Stopwatch::~Stopwatch() {}
void Stopwatch::Start() {
if (!_running) {
_startTime = boost::posix_time::microsec_clock::local_time();
_running = true;
}
}
void Stopwatch::Pause() {
if (_running) {
_sum += (boost::posix_time::microsec_clock::local_time() - _startTime);
_running = false;
}
}
void Stopwatch::Reset(bool start) {
_running = false;
_sum = boost::posix_time::seconds(0);
if (start) Start();
}
std::string Stopwatch::ToString() const {
if (_running) {
const boost::posix_time::time_duration current =
_sum + (boost::posix_time::microsec_clock::local_time() - _startTime);
return to_simple_string(current);
} else {
return to_simple_string(_sum);
}
}
std::string Stopwatch::ToShortString() const {
const long double seconds = Seconds();
if (seconds >= 60 * 60 * 24)
return ToDaysString();
else if (seconds >= 60 * 60)
return ToHoursString();
else if (seconds >= 60)
return ToMinutesString();
else if (seconds >= 1.0)
return ToSecondsString();
else if (seconds >= 0.001)
return ToMilliSecondsString();
else if (seconds >= 0.000001)
return ToMicroSecondsString();
else
return ToNanoSecondsString();
}
std::string Stopwatch::ToDaysString() const {
const long double days = roundl(Seconds() / (60.0 * 60.0)) / 24.0;
std::stringstream str;
if (days >= 10.0)
str << roundl(days) << " days";
else
str << floorl(days) << 'd' << (days * 24.0) << 'h';
return str.str();
}
std::string Stopwatch::ToHoursString() const {
const long double hours = roundl(Seconds() / 60.0) / 60.0;
std::stringstream str;
if (hours >= 10.0)
str << roundl(hours) << 'h';
else
str << floorl(hours) << 'h' << (hours * 60.0) << 'm';
return str.str();
}
std::string Stopwatch::ToMinutesString() const {
const long double mins = roundl(Seconds()) / 60.0;
std::stringstream str;
if (mins >= 10.0)
str << roundl(mins) << " min";
else
str << floorl(mins) << 'm' << fmod(mins * 60.0, 60.0) << 's';
return str.str();
}
std::string Stopwatch::ToSecondsString() const {
const long double seconds = roundl(Seconds() * 10.0) / 10.0;
std::stringstream str;
if (seconds >= 10.0)
str << roundl(Seconds()) << 's';
else
str << seconds << 's';
return str.str();
}
std::string Stopwatch::ToMilliSecondsString() const {
const long double msec = roundl(Seconds() * 10000.0) / 10.0;
std::stringstream str;
if (msec >= 10.0)
str << roundl(Seconds() * 1000.0) << "ms";
else
str << msec << "ms";
return str.str();
}
std::string Stopwatch::ToMicroSecondsString() const {
const long double usec = roundl(Seconds() * 10000000.0) / 10.0;
std::stringstream str;
if (usec >= 10.0)
str << roundl(Seconds() * 1000000.0) << "µs";
else
str << usec << "µs";
return str.str();
}
std::string Stopwatch::ToNanoSecondsString() const {
const long double nsec = roundl(Seconds() * 10000000000.0) / 10.0;
std::stringstream str;
if (nsec >= 10.0)
str << roundl(Seconds() * 1000000000.0) << "ns";
else
str << nsec << "ns";
return str.str();
}
long double Stopwatch::Seconds() const {
if (_running) {
const boost::posix_time::time_duration current =
_sum + (boost::posix_time::microsec_clock::local_time() - _startTime);
return (long double)current.total_milliseconds() / 1000.0;
} else {
return (long double)_sum.total_milliseconds() / 1000.0;
}
}
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