134 lines
4.5 KiB
C++
134 lines
4.5 KiB
C++
#pragma once
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#include <nall/function.hpp>
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#include <nall/string.hpp>
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namespace nall { namespace chrono { namespace {
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//passage of time functions (from unknown epoch)
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auto nanosecond() -> uint64_t {
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timespec tv;
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clock_gettime(CLOCK_MONOTONIC, &tv);
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return tv.tv_sec * 1'000'000'000 + tv.tv_nsec;
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}
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auto microsecond() -> uint64_t { return nanosecond() / 1'000; }
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auto millisecond() -> uint64_t { return nanosecond() / 1'000'000; }
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auto second() -> uint64_t { return nanosecond() / 1'000'000'000; }
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auto benchmark(const function<void ()>& f, uint64_t times = 1) -> void {
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auto start = nanosecond();
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while(times--) f();
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auto end = nanosecond();
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print("[chrono::benchmark] ", (double)(end - start) / 1'000'000'000.0, "s\n");
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}
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//exact date/time functions (from system epoch)
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struct timeinfo {
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timeinfo(
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uint year = 0, uint month = 0, uint day = 0,
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uint hour = 0, uint minute = 0, uint second = 0, uint weekday = 0
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) : year(year), month(month), day(day),
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hour(hour), minute(minute), second(second), weekday(weekday) {
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}
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explicit operator bool() const { return month; }
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uint year; //...
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uint month; //1 - 12
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uint day; //1 - 31
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uint hour; //0 - 23
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uint minute; //0 - 59
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uint second; //0 - 60
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uint weekday; //0 - 6
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};
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auto timestamp() -> uint64_t {
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return ::time(nullptr);
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}
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namespace utc {
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auto timeinfo(uint64_t time = 0) -> chrono::timeinfo {
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auto stamp = time ? (time_t)time : (time_t)timestamp();
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auto info = gmtime(&stamp);
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return {
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(uint)info->tm_year + 1900,
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(uint)info->tm_mon + 1,
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(uint)info->tm_mday,
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(uint)info->tm_hour,
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(uint)info->tm_min,
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(uint)info->tm_sec,
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(uint)info->tm_wday
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};
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}
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auto year(uint64_t timestamp = 0) -> string { return pad(timeinfo(timestamp).year, 4, '0'); }
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auto month(uint64_t timestamp = 0) -> string { return pad(timeinfo(timestamp).month, 2, '0'); }
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auto day(uint64_t timestamp = 0) -> string { return pad(timeinfo(timestamp).day, 2, '0'); }
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auto hour(uint64_t timestamp = 0) -> string { return pad(timeinfo(timestamp).hour, 2, '0'); }
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auto minute(uint64_t timestamp = 0) -> string { return pad(timeinfo(timestamp).minute, 2, '0'); }
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auto second(uint64_t timestamp = 0) -> string { return pad(timeinfo(timestamp).second, 2, '0'); }
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auto date(uint64_t timestamp = 0) -> string {
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auto t = timeinfo(timestamp);
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return {pad(t.year, 4, '0'), "-", pad(t.month, 2, '0'), "-", pad(t.day, 2, '0')};
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}
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auto time(uint64_t timestamp = 0) -> string {
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auto t = timeinfo(timestamp);
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return {pad(t.hour, 2, '0'), ":", pad(t.minute, 2, '0'), ":", pad(t.second, 2, '0')};
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}
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auto datetime(uint64_t timestamp = 0) -> string {
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auto t = timeinfo(timestamp);
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return {
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pad(t.year, 4, '0'), "-", pad(t.month, 2, '0'), "-", pad(t.day, 2, '0'), " ",
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pad(t.hour, 2, '0'), ":", pad(t.minute, 2, '0'), ":", pad(t.second, 2, '0')
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};
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}
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}
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namespace local {
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auto timeinfo(uint64_t time = 0) -> chrono::timeinfo {
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auto stamp = time ? (time_t)time : (time_t)timestamp();
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auto info = localtime(&stamp);
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return {
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(uint)info->tm_year + 1900,
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(uint)info->tm_mon + 1,
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(uint)info->tm_mday,
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(uint)info->tm_hour,
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(uint)info->tm_min,
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(uint)info->tm_sec,
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(uint)info->tm_wday
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};
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}
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auto year(uint64_t timestamp = 0) -> string { return pad(timeinfo(timestamp).year, 4, '0'); }
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auto month(uint64_t timestamp = 0) -> string { return pad(timeinfo(timestamp).month, 2, '0'); }
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auto day(uint64_t timestamp = 0) -> string { return pad(timeinfo(timestamp).day, 2, '0'); }
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auto hour(uint64_t timestamp = 0) -> string { return pad(timeinfo(timestamp).hour, 2, '0'); }
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auto minute(uint64_t timestamp = 0) -> string { return pad(timeinfo(timestamp).minute, 2, '0'); }
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auto second(uint64_t timestamp = 0) -> string { return pad(timeinfo(timestamp).second, 2, '0'); }
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auto date(uint64_t timestamp = 0) -> string {
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auto t = timeinfo(timestamp);
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return {pad(t.year, 4, '0'), "-", pad(t.month, 2, '0'), "-", pad(t.day, 2, '0')};
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}
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auto time(uint64_t timestamp = 0) -> string {
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auto t = timeinfo(timestamp);
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return {pad(t.hour, 2, '0'), ":", pad(t.minute, 2, '0'), ":", pad(t.second, 2, '0')};
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}
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auto datetime(uint64_t timestamp = 0) -> string {
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auto t = timeinfo(timestamp);
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return {
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pad(t.year, 4, '0'), "-", pad(t.month, 2, '0'), "-", pad(t.day, 2, '0'), " ",
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pad(t.hour, 2, '0'), ":", pad(t.minute, 2, '0'), ":", pad(t.second, 2, '0')
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};
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}
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}
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}}}
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