99 lines
2.5 KiB
C++
99 lines
2.5 KiB
C++
#pragma once
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#include "XNCore_global.h"
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#include "XNString.h"
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#include "XNType.h"
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#include <chrono>
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#include <iomanip>
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#include <sstream>
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#include <time.h>
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namespace XNSim {
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// 系统时间点类型别名
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using XNTimePoint = std::chrono::system_clock::time_point;
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/**
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* @brief 将ISO格式的时间字符串转换为系统时间点
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* @param timeStr ISO格式的时间字符串 (YYYY-MM-DDTHH:mm:ss)
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* @return 系统时间点
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*/
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FORCEINLINE XNTimePoint parseISOTime(const XN_STRING &timeStr) {
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std::tm tm = {};
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std::istringstream ss(timeStr);
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ss >> std::get_time(&tm, "%Y-%m-%dT%H:%M:%S");
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auto tp = std::chrono::system_clock::from_time_t(std::mktime(&tm));
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return tp;
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}
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struct PERIOD_INFO;
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#ifdef XN_WINDOWS
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using XN_TIMESPEC = LARGE_INTEGER;
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FORCEINLINE void getCurrentRTTime(XN_TIMESPEC *time) {
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QueryPerformanceCounter(time);
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}
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FORCEINLINE double calculateRTTime(XN_TIMESPEC *now, XN_TIMESPEC *last) {
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XN_TIMESPEC freq;
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QueryPerformanceFrequency(&freq);
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XN_INT64 ns = (now->QuadPart - last->QuadPart) * 1000000LL / freq.QuadPart;
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return (double)ns / 1.0E9;
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}
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FORCEINLINE void sleepToNextRTTime(PERIOD_INFO *pinfo) {
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XN_TIMESPEC freq;
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QueryPerformanceFrequency(&freq);
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auto now = pinfo->next_period;
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pinfo->next_period.QuadPart += (pinfo->period_ns * freq.QuadPart) / 1000000LL;
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XN_INT64 ns =
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(pinfo->next_period.QuadPart - now.QuadPart) * 1000000LL / freq.QuadPart;
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Sleep(ns / 1000);
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}
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#endif
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#ifdef XN_LINUX
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using XN_TIMESPEC = timespec;
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FORCEINLINE void getCurrentRTTime(XN_TIMESPEC *time) {
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clock_gettime(CLOCK_MONOTONIC, time);
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}
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FORCEINLINE double calculateRTTime(XN_TIMESPEC *now, XN_TIMESPEC *last) {
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double seconds = (double)(now->tv_sec - last->tv_sec) +
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(double)(now->tv_nsec - last->tv_nsec) / 1.0E9;
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return seconds;
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}
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FORCEINLINE void sleepToNextRTTime(PERIOD_INFO *pinfo) {
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// 睡眠时间步进
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pinfo->next_period.tv_nsec += pinfo->period_ns;
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// 睡眠时间整理
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while (pinfo->next_period.tv_nsec >= 1000000000) {
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pinfo->next_period.tv_sec++;
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pinfo->next_period.tv_nsec -= 1000000000;
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}
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// 执行纳秒睡眠
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clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &pinfo->next_period, NULL);
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}
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#endif
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/**
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* @brief 纳秒睡眠相关时间结构体
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* @details 用于线程睡眠时间控制
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*/
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struct PERIOD_INFO {
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/**
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* @brief 系统提供的时间记录结构体，精确到纳秒
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*/
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XN_TIMESPEC next_period;
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/**
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* @brief 睡眠时长，单位纳秒
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*/
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XN_INT64 period_ns;
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};
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} // namespace XNSim
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