AuroraRuntime/Source/IO/Loop/LSTimer.Linux.hpp

/***
    Copyright (C) 2022 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: LSTimer.NT.hpp
    Date: 2022-4-19
    Author: Reece
***/
#pragma once
#include "LSHandle.hpp"

namespace Aurora::IO::Loop
{
    struct LSTimer : ITimer, virtual LSHandle
    {
        LSTimer(AuUInt32 reschedStepMsOrZero, AuUInt32 maxIterationsOrZero, bool bSingleshot, int handle);
        ~LSTimer();

        virtual void UpdateTime(AuUInt64 absTimeMs) override;
        virtual void UpdateTimeNs(AuUInt64 absTimeNs) override;
        virtual void UpdateTickRateIfAny(AuUInt32 reschedStepMsOrZero, AuUInt32 maxIterationsOrZero) override;
        virtual void UpdateTickRateIfAnyNs(AuUInt64 reschedStepNsOrZero, AuUInt32 maxIterationsOrZero) override;
        virtual void Stop() override;

        virtual bool OnTrigger(AuUInt handle) override;

        virtual bool IsSignaled() override;
        virtual bool WaitOn(AuUInt32 timeout) override;
        virtual ELoopSource GetType() override;

        void UpdateTimeInternal(AuUInt64 absTimeMs);

    private:
        AuUInt32 maxIterationsOrZero_ {};
        AuUInt64 reschedStepNsOrZero_ {}, targetTime_ {};
        AuUInt32 count_ {};
        bool bSingleshot {};

        bool IsSignaledNonblocking();
    };
}