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add a once_a_time_milliseconds class

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moneromooo-monero 2018-12-07 12:32:32 +00:00
parent e282e9fa40
commit 85807dfb25
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1 changed files with 30 additions and 9 deletions
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39
contrib/epee/include/math_helper.h
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@ -230,35 +230,56 @@ namespace math_helper
} }
} }
template<int default_interval, bool start_immediate = true> template<uint64_t scale, int default_interval, bool start_immediate = true>
class once_a_time_seconds class once_a_time
{ {
uint64_t get_time() const
{
#ifdef _WIN32
FILETIME fileTime;
GetSystemTimeAsFileTime(&fileTime);
unsigned __int64 present = 0;
present |= fileTime.dwHighDateTime;
present = present << 32;
present |= fileTime.dwLowDateTime;
present /= 10; // mic-sec
#else
struct timeval tv;
gettimeofday(&tv, NULL);
return tv.tv_sec * 1000000 + tv.tv_usec;
#endif
}
public: public:
once_a_time_seconds():m_interval(default_interval) once_a_time():m_interval(default_interval * scale)
{ {
m_last_worked_time = 0; m_last_worked_time = 0;
if(!start_immediate) if(!start_immediate)
time(&m_last_worked_time); m_last_worked_time = get_time();
} }
template<class functor_t> template<class functor_t>
bool do_call(functor_t functr) bool do_call(functor_t functr)
{ {
time_t current_time = 0; uint64_t current_time = get_time();
time(&current_time);
if(current_time - m_last_worked_time > m_interval) if(current_time - m_last_worked_time > m_interval)
{ {
bool res = functr(); bool res = functr();
time(&m_last_worked_time); m_last_worked_time = get_time();
return res; return res;
} }
return true; return true;
} }
private: private:
time_t m_last_worked_time; uint64_t m_last_worked_time;
time_t m_interval; uint64_t m_interval;
}; };
template<int default_interval, bool start_immediate = true>
class once_a_time_seconds: public once_a_time<1000000, default_interval, start_immediate> {};
template<int default_interval, bool start_immediate = true>
class once_a_time_milliseconds: public once_a_time<1000, default_interval, start_immediate> {};
} }
} }