61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
#include "Timer.h"
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namespace core {
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Timer::Timer(EPoll &ePoll, double delay = 0.0f) : Socket(ePoll, "Timer") {
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setDescriptor(timerfd_create(CLOCK_REALTIME, 0));
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setTimer(delay);
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}
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Timer::~Timer() {
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}
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void Timer::setTimer(double delay) {
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double integer;
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double fraction;
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struct itimerspec timer;
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delayValue = delay;
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timer.it_interval.tv_sec = 0;
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timer.it_interval.tv_nsec = 0;
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fraction = modf(delay, &integer);
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timer.it_value.tv_sec = (int)integer;
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timer.it_value.tv_nsec = (int)(fraction * 1000000000);
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timerfd_settime(getDescriptor(), 0, &timer, NULL);
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}
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void Timer::clearTimer() {
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struct itimerspec timer;
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timer.it_interval.tv_sec = 0;
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timer.it_interval.tv_nsec = 0;
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timer.it_value.tv_sec = 0;
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timer.it_value.tv_nsec = 0;
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timerfd_settime(getDescriptor(), 0, &timer, NULL);
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}
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double Timer::getElapsed() {
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struct itimerspec timer;
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timerfd_gettime(getDescriptor(), &timer);
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double toTimeout = (double)((timer.it_value.tv_sec * 1000000000L) + timer.it_value.tv_nsec) / 1000000000L;
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return delayValue - toTimeout;
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}
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void Timer::onDataReceived(std::string data) {
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onTimeout();
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}
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double Timer::getEpoch() {
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return (double)std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::system_clock::now().time_since_epoch()).count() /1000000000L;
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}
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}
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