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* \author ETSI STF525
* \copyright ETSI Copyright Notification
* No part may be reproduced except as authorized by written permission.
* The copyright and the foregoing restriction extend to reproduction in all media.
* All rights reserved.
* \version 0.1
*/
#pragma once
#include <chrono>
/**
* \class base_time
* \brief This class provides time tools such as getting current time
*/
class base_time {
const unsigned long long its_base_time_ms = 1072915200000L; //! Base time 01/01/2004 12:00am in millseconds
unsigned long long leap_delay;
static base_time *_instance;
private:
base_time() : leap_delay{0} {}; //! Can not be created manually
public:
static inline base_time &get_instance();
virtual ~base_time() {
if (_instance != nullptr)
delete _instance;
};
public:
inline const unsigned long long get_current_time_ms() const;
inline const unsigned long long get_its_base_time_ms() const;
inline const unsigned long long get_its_current_time_ms() const;
inline const unsigned long long get_its_current_time_us() const;
inline const unsigned long long get_its_current_time_mod_ms() const;
inline void set_leap_delay_us(const unsigned long long p_leap_delay);
inline const unsigned long long get_leap_delay_us() const;
}; // End of class base_time
// static functions
base_time &base_time::get_instance() { return (_instance != nullptr) ? *_instance : *(_instance = new base_time()); }
const unsigned long long base_time::get_current_time_ms() const {
return (leap_delay / 1000) + std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
}
const unsigned long long base_time::get_its_base_time_ms() const { return base_time::its_base_time_ms; }
const unsigned long long base_time::get_its_current_time_ms() const {
return (leap_delay / 1000) + std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count() -
base_time::its_base_time_ms;
}
const unsigned long long base_time::get_its_current_time_us() const {
return leap_delay + std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::system_clock::now().time_since_epoch()).count() -
base_time::its_base_time_ms * 1000;
}
const unsigned long long base_time::get_its_current_time_mod_ms() const {
return ((leap_delay / 1000) + std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count() -
base_time::its_base_time_ms) %
65536;
}
void base_time::set_leap_delay_us(const unsigned long long p_leap_delay) { leap_delay = p_leap_delay; }
inline const unsigned long long base_time::get_leap_delay_us() const { return leap_delay; }