PeriodicCounter.hpp

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#ifndef ORG_EEROS_CORE_PERIODICCOUNTER_HPP_
#define ORG_EEROS_CORE_PERIODICCOUNTER_HPP_

#include <chrono>
#include <vector>
#include <functional>

#include <eeros/core/Statistics.hpp>
#include <eeros/logger/Logger.hpp>
#include <eeros/logger/LogWriter.hpp>

namespace eeros {

    class PeriodicCounter {
        using clk = std::chrono::steady_clock;
        using time_point = clk::time_point;

    public:
        using Logger = logger::Logger;
        using MonitorFunc = std::function<void(PeriodicCounter&, Logger&)>;

        PeriodicCounter(double period = 0, unsigned logger_category = 0);
        
        void setPeriod(double period);
        void setResetTime(double sec);
        void addDefaultMonitor(double tolerance = 0.05);

        void tick();
        void tock();
        void reset();

        void operator >> (eeros::logger::LogEntry &event);
        void operator >> (eeros::logger::LogEntry &&event);

        Statistics period;
        Statistics jitter;
        Statistics run;

        std::vector<MonitorFunc> monitors;

        static void addDefaultMonitor(std::vector<MonitorFunc> &monitors, double period, double tolerance = 0.05);

    private:
        double counter_period;
        double reset_after;
        bool first;
        int reset_counter;
        time_point start;
        time_point last;
        Logger log;
    };
}

#endif // ORG_EEROS_CORE_PERIODICCOUNTER_HPP_