blob: 8b65e31a1c3082dba755fea3fcdd65a4d7f51c34 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
#pragma once
#include "std/chrono.hpp"
#include "std/cstdint.hpp"
#include "std/ctime.hpp"
#include "std/string.hpp"
namespace my
{
/// Cross platform timer
class Timer
{
steady_clock::time_point m_startTime;
public:
explicit Timer(bool start = true);
/// @return current UTC time in seconds, elapsed from 1970.
static double LocalTime();
/// @return Elapsed time from start (@see Reset).
inline steady_clock::duration TimeElapsed() const { return steady_clock::now() - m_startTime; }
template <typename TDuration>
inline TDuration TimeElapsedAs() const
{
return duration_cast<TDuration>(TimeElapsed());
}
inline double ElapsedSeconds() const { return TimeElapsedAs<duration<double>>().count(); }
inline void Reset() { m_startTime = steady_clock::now(); }
};
string FormatCurrentTime();
/// Generates timestamp for a specified day.
/// \param year The number of years since 1900.
/// \param month The number of month since January, in the range 0 to 11.
/// \param day The day of the month, in the range 1 to 31.
/// \return Timestamp.
uint32_t GenerateTimestamp(int year, int month, int day);
uint32_t TodayAsYYMMDD();
/// Always creates strings in UTC time: 1997-07-16T07:30:15Z
/// Returns empty string on error
string TimestampToString(time_t time);
time_t const INVALID_TIME_STAMP = -1;
/// Accepts strings in UTC format: 1997-07-16T07:30:15Z
/// And with custom time offset: 1997-07-16T10:30:15+03:00
/// @return INVALID_TIME_STAMP if string is invalid
time_t StringToTimestamp(string const & s);
/// High resolution timer to use in comparison tests.
class HighResTimer
{
typedef high_resolution_clock::time_point PointT;
PointT m_start;
public:
explicit HighResTimer(bool start = true);
void Reset();
uint64_t ElapsedNano() const;
};
}
|
