AuroraRuntime/Source/IO/Loop/LSTimer.cpp

/***
    Copyright (C) 2021-2024 Jamie Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: LSTimer.cpp
    Date: 2021-10-1 - 2024-09-08
    Author: Reece
***/
#include <Source/RuntimeInternal.hpp>

namespace Aurora::IO::Loop
{
    AuSPtr<ITimer> NewLSTimerOS(AuUInt64 qwAbsStartTimeMs, AuUInt32 dwReschedStepMsOrZero, AuUInt32 dwMaxIterationsOrZero, bool bSingleshot, bool bIsStartTimeSteady);
    AuSPtr<ITimer> NewLSTimerIP(AuUInt64 qwAbsStartTimeMs, AuUInt32 dwReschedStepMsOrZero, AuUInt32 dwMaxIterationsOrZero, bool bSingleshot, bool bIsStartTimeSteady);

#if defined(AURORA_IS_MODERNNT_DERIVED)
    AuSPtr<ITimer> NewLSTimerOSHiRes(AuUInt64 absStartTimeMs, AuUInt32 reschedStepMsOrZero, AuUInt32 maxIterationsOrZero, bool bSingleshot, bool bIsStartTimeSteady);
#endif

    static bool MustUseAltTimer()
    {
        return gRuntimeConfig.ioConfig.bForceAltOSTimerPrimitives;
    }

    static bool IsHPInProcess()
    {
    #if defined(AURORA_IS_MODERNNT_DERIVED)
        return true;
    #else
        return !gRuntimeConfig.ioConfig.bTrustOSTimerPrimitiveIfKnownGood;
    #endif
    }

    AUKN_SYM AuSPtr<ITimer> NewLSTimerHighResolution(AuUInt64 qwAbsStartTimeMs, AuUInt32 dwReschedStepMsOrZero, AuUInt32 dwMaxIterationsOrZero, bool bSingleshot, bool bIsStartTimeSteady)
    {
    #if defined(AURORA_IS_MODERNNT_DERIVED)
        if (auto pHighResIO = NewLSTimerOSHiRes(qwAbsStartTimeMs, dwReschedStepMsOrZero, dwMaxIterationsOrZero, bSingleshot, bIsStartTimeSteady))
        {
            return pHighResIO;
        }
    #endif

        if (IsHPInProcess())
        {
            return NewLSTimerIP(qwAbsStartTimeMs, dwReschedStepMsOrZero, dwMaxIterationsOrZero, bSingleshot, bIsStartTimeSteady);
        }
        else
        {
            return NewLSTimerOS(qwAbsStartTimeMs, dwReschedStepMsOrZero, dwMaxIterationsOrZero, bSingleshot, bIsStartTimeSteady);
        }
    }

    AUKN_SYM AuSPtr<ITimer> NewLSTimer(AuUInt64 qwAbsStartTimeMs, AuUInt32 dwReschedStepMsOrZero, AuUInt32 dwMaxIterationsOrZero, bool bSingleshot, bool bIsStartTimeSteady)
    {
        if (MustUseAltTimer())
        {
            return NewLSTimerIP(qwAbsStartTimeMs, dwReschedStepMsOrZero, dwMaxIterationsOrZero, bSingleshot, bIsStartTimeSteady);
        }
        else
        {
            return NewLSTimerOS(qwAbsStartTimeMs, dwReschedStepMsOrZero, dwMaxIterationsOrZero, bSingleshot, bIsStartTimeSteady);
        }
    }
}