Example Timer - anyks/awh GitHub Wiki

#include <chrono>
#include <awh/core/timer.hpp>

using namespace awh;
using namespace placeholders;

class Executor {
	private:
		chrono::time_point <chrono::system_clock> _ts;
		chrono::time_point <chrono::system_clock> _is;
	private:
		uint16_t _count;
	private:
		log_t * _log;
	public:

		void interval(const uint16_t tid, awh::timer_t * timer){
			auto shift = chrono::system_clock::now();

			this->_log->print("Interval: %u seconds", log_t::flag_t::INFO, chrono::duration_cast <chrono::seconds> (shift - this->_is).count());

			this->_is = shift;

			if((this->_count++) >= 10){
				timer->clear(tid);
				timer->stop();
			}
		}

		void timeout([[maybe_unused]] const uint16_t id){
			this->_log->print("Timeout: %u seconds", log_t::flag_t::INFO, chrono::duration_cast <chrono::seconds> (chrono::system_clock::now() - this->_ts).count());
		}

		void launched(const awh::core_t::status_t status, awh::timer_t * timer){
			switch(static_cast <uint8_t> (status)){
				case static_cast <uint8_t> (awh::core_t::status_t::START): {
					this->_ts = chrono::system_clock::now();
					this->_is = this->_ts;

					this->_log->print("%s", log_t::flag_t::INFO, "Start timer");

					uint16_t tid = timer->timeout(10000);

					timer->on(tid, &Executor::timeout, this, tid);

					tid = timer->interval(5000);

					timer->on(tid, &Executor::interval, this, tid, timer);
				} break;
				case static_cast <uint8_t> (awh::core_t::status_t::STOP):
					this->_log->print("%s", log_t::flag_t::INFO, "Stop timer");
				break;
			}
		}
	public:
		Executor(log_t * log) : _ts(chrono::system_clock::now()), _is(chrono::system_clock::now()), _count(0), _log(log) {}
};

int32_t main(int32_t argc, char * argv[]){
	fmk_t fmk;
	log_t log(&fmk);

	Executor executor(&log);

	awh::timer_t timer(&fmk, &log);

	log.name("Timer");
	log.format("%H:%M:%S %d.%m.%Y");

	dynamic_cast <awh::core_t &> (timer).on <void (const awh::core_t::status_t)> ("status", &Executor::launched, &executor, _1, &timer);

	timer.start();

	return EXIT_SUCCESS;
}