BLT/include/blt/std/time.h

147 lines
3.9 KiB
C++
Executable File

/*
* Created by Brett on 04/01/23.
* Licensed under GNU General Public License V3.0
* See LICENSE file for license detail
*/
#include <chrono>
#include <ctime>
#include <sstream>
#ifndef BLT_TIME_H
#define BLT_TIME_H
namespace blt::system
{
static inline std::string ensureHasDigits(int current, int digits)
{
std::string asString = std::to_string(current);
auto length = digits - asString.length();
if (length <= 0)
return asString;
std::string zeros;
zeros.reserve(length);
for (unsigned int i = 0; i < length; i++)
{
zeros += '0';
}
return zeros + asString;
}
static inline auto getCurrentTimeNanoseconds()
{
return std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::high_resolution_clock::now().time_since_epoch()).count();
}
static inline auto nanoTime()
{
return getCurrentTimeNanoseconds();
}
static inline auto getCurrentTimeMilliseconds()
{
return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::high_resolution_clock::now().time_since_epoch()).count();
}
static inline auto getCPUThreadTime()
{
#ifdef unix
timespec time{};
clock_gettime(CLOCK_THREAD_CPUTIME_ID, &time);
return time.tv_nsec;
#else
return std::clock();
#endif
}
static inline auto getCPUTime()
{
#ifdef unix
timespec time{};
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time);
return time.tv_nsec;
#else
return std::clock();
#endif
}
static inline auto getCPUTimerResolution()
{
#ifdef unix
timespec res{};
clock_getres(CLOCK_PROCESS_CPUTIME_ID, &res);
return res.tv_nsec;
#else
return CLOCKS_PER_SECOND;
#endif
}
/**
* Standard time string is formatted as follows:
* Year-Month-Date Hour:Min:Second
* If you do not want a space in the string use getTimeStringFS(); (Time String for easy filesystem)
* @return the BLT standard string of time.now
*/
static inline std::string getTimeString()
{
auto t = std::time(nullptr);
auto now = std::localtime(&t);
std::stringstream timeString;
timeString << (1900 + now->tm_year);
timeString << "-";
timeString << (1 + now->tm_mon);
timeString << "-";
timeString << now->tm_mday;
timeString << " ";
timeString << now->tm_hour;
timeString << ":";
timeString << now->tm_min;
timeString << ":";
timeString << now->tm_sec;
return timeString.str();
}
/**
* Standard logging time string is formatted as follows:
* Hour:Min:Second
* @return the BLT standard logging string of time.now
*/
static inline std::string getTimeStringLog()
{
auto t = std::time(nullptr);
auto now = std::localtime(&t);
std::string timeString = "[";
timeString += ensureHasDigits(now->tm_hour, 2);
timeString += ":";
timeString += ensureHasDigits(now->tm_min, 2);
timeString += ":";
timeString += ensureHasDigits(now->tm_sec, 2);
timeString += "] ";
return timeString;
}
/**
* @return the BLT standard string of time.now (See getTimeString()) that is filesystem friendly (FAT compatible).
*/
static inline std::string getTimeStringFS()
{
auto t = std::time(nullptr);
auto now = std::localtime(&t);
std::stringstream timeString;
timeString << (1900 + now->tm_year);
timeString << "-";
timeString << (1 + now->tm_mon);
timeString << "-";
timeString << now->tm_mday;
timeString << "_";
timeString << now->tm_hour;
timeString << "-";
timeString << now->tm_min;
timeString << "-";
timeString << now->tm_sec;
return timeString.str();
}
}
#endif //BLT_TIME_H