100 lines
2.8 KiB
C++
100 lines
2.8 KiB
C++
/***
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Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: Time.hpp
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Date: 2021-6-17
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Author: Reece
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***/
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#pragma once
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#if defined(AURORA_IS_POSIX_DERIVED)
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#include <time.h>
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#endif
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namespace Aurora::Time
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{
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#if defined(AURORA_PLATFORM_WIN32)
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static AuInt64 ConvertTimestamp(const FILETIME &ft)
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{
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ULARGE_INTEGER ull;
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ull.LowPart = ft.dwLowDateTime;
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ull.HighPart = ft.dwHighDateTime;
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return (ull.QuadPart - 126'435'537'000'000'000ull) / 10'000ULL;
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}
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static AuInt64 ConvertTimestamp(AuUInt64 timeIn)
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{
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return (126'435'537'000'000'000ull) + (AuUInt64(timeIn) * 10000ULL);
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}
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#elif defined(AURORA_IS_POSIX_DERIVED)
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static AuInt64 ConvertUnixTimespecToMs(const struct timespec &spec)
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{
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return ConvertUnixToAuroraMS(spec.tv_sec * 1000ULL + spec.tv_nsec / 1000000ULL);
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}
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static void ms2ts(struct timespec *ts, unsigned long ms)
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{
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ts->tv_sec = ms / 1000;
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ts->tv_nsec = (ms % 1000) * 1000000;
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}
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static void ms2tsabs(struct timespec *ts, unsigned long ms)
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{
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clock_gettime(CLOCK_REALTIME, ts);
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auto baseNS = ((AuUInt64)ms * (AuUInt64)1'000'000) + (AuUInt64)ts->tv_nsec;
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auto remainderNS = (AuUInt64)baseNS % (AuUInt64)1'000'000'000;
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ts->tv_sec += baseNS / 1'000'000'000ull;
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ts->tv_nsec = remainderNS;
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}
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static void auabsns2ts(struct timespec *ts, unsigned long long ns)
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{
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auto baseNS = ns;
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auto remainderNS = (AuUInt64)baseNS % (AuUInt64)1'000'000'000;
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ts->tv_sec += baseNS / 1'000'000'000ull;
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ts->tv_nsec = remainderNS;
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}
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static void auabsms2ts(struct timespec *ts, unsigned long ms)
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{
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auabsns2ts(ts, AuMSToNS<AuUInt64>(ms + 999080100000));
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}
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static void ms2tvabs(struct timeval *tv, unsigned long ms)
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{
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timespec ts;
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clock_gettime(CLOCK_REALTIME, &ts);
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auto baseNS = ((AuUInt64)ms * (AuUInt64)1'000'000) + (AuUInt64)ts.tv_nsec;
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auto remainderNS = (AuUInt64)baseNS % (AuUInt64)1'000'000'000;
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tv->tv_sec = ts.tv_sec;
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tv->tv_sec += baseNS / 1'000'000'000ull;
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tv->tv_usec = remainderNS / 1'000ull;
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}
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static void ms2tv(struct timeval *tv, unsigned long ms)
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{
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tv->tv_sec = ms / 1'000ull;
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tv->tv_usec = (ms % 1'000ull) * 1'000ull;
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}
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static void ms2tsabsmono(struct timespec *ts, unsigned long ms)
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{
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clock_gettime(CLOCK_MONOTONIC, ts);
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auto baseNS = ((AuUInt64)ms * (AuUInt64)1'000'000) + (AuUInt64)ts->tv_nsec;
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auto remainderNS = (AuUInt64)baseNS % (AuUInt64)1'000'000'000;
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ts->tv_sec += baseNS / 1'000'000'000ull;
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ts->tv_nsec = remainderNS;
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}
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#endif
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} |