AuroraRuntime/Source/Async/AuAsyncFuncRunnable.cpp

/***
    Copyright (C) 2021-2023 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: AuAsyncFuncRunnable.cpp
    Date: 2023-12-06
    Date: 2021-11-2
    Author: Reece
***/
#include <Source/RuntimeInternal.hpp>
#include "IAsyncRunnable.hpp"
#include "AuAsyncFuncRunnable.hpp"

namespace Aurora::Async
{
    AsyncFuncRunnable::AsyncFuncRunnable(AuFunction<void()> &&callback) :
        callback(AuMove(callback))
    { }

    AsyncFuncRunnable::AsyncFuncRunnable(AuFunction<void()> &&callback, AuFunction<void()> &&fail) :
        callback(AuMove(callback)), fail(AuMove(fail))
    { }

    AsyncFuncRunnable::AsyncFuncRunnable(const AuFunction<void()> &callback) :
        callback(callback)
    { }

    AsyncFuncRunnable::AsyncFuncRunnable(const AuFunction<void()> &callback, const AuFunction<void()> &fail) :
        callback(callback),
        fail(fail)
    { }

    void AsyncFuncRunnable::RunAsync()
    {
        AU_LOCK_GUARD(this->lock);

        try
        {
            if (auto callback = AuExchange(this->callback, {}))
            {
                callback();
            }
        }
        catch (...)
        {
            SysPushErrorCatch();
            this->CancelAsync();
        }

        this->fail = {};
    }

    void AsyncFuncRunnable::CancelAsync()
    {
        AU_LOCK_GUARD(this->lock);

        try
        {
            if (auto callback = AuExchange(this->fail, {}))
            {
                callback();
            }
        }
        catch (...)
        {
            SysPushErrorCatch();
        }

        this->callback = {};
    }
}