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#include <chrono>
#include <cstdio>
#include <sdeventplus/clock.hpp>
#include <sdeventplus/event.hpp>
#include <sdeventplus/source/signal.hpp>
#include <sdeventplus/source/time.hpp>
#include <stdplus/signal.hpp>
#include <string>
#include <utility>
using sdeventplus::Event;
using sdeventplus::source::Enabled;
using sdeventplus::source::Signal;
constexpr auto clockId = sdeventplus::ClockId::RealTime;
using Clock = sdeventplus::Clock<clockId>;
using Time = sdeventplus::source::Time<clockId>;
void intCb(Signal& signal, const struct signalfd_siginfo*)
{
printf("Exiting\n");
signal.get_event().exit(0);
}
int main(int argc, char* argv[])
{
if (argc != 2)
{
fprintf(stderr, "Usage: %s [seconds]\n", argv[0]);
return 1;
}
unsigned interval = std::stoul(argv[1]);
fprintf(stderr, "Beating every %u seconds\n", interval);
auto event = Event::get_default();
auto hbFunc = [interval](Time& source, Time::TimePoint time) {
printf("Beat\n");
// Time sources are oneshot and are based on an absolute time
// we need to reconfigure the time source to go off again after the
// configured interval and re-enable it.
source.set_time(time + std::chrono::seconds{interval});
source.set_enabled(Enabled::OneShot);
};
Time time(event, Clock(event).now(), std::chrono::seconds{1},
std::move(hbFunc));
stdplus::signal::block(SIGINT);
Signal signal(event, SIGINT, intCb);
return event.loop();
}
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