AWatchdog.h

/*
 * AUI Framework - Declarative UI toolkit for modern C++20
 * Copyright (C) 2020-2024 Alex2772 and Contributors
 *
 * SPDX-License-Identifier: MPL-2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
#pragma once
 
#include <AUI/Common/AObject.h>
#include <cassert>
#include <chrono>
#include "AUI/Common/AOptional.h"
#include "AUI/Thread/AMutex.h"
#include "AUI/Traits/concepts.h"
#include "AUI/Util/ARaiiHelper.h"
#include "AUI/Util/kAUI.h"

class API_AUI_CORE AWatchdog {
public:
    AWatchdog(std::chrono::high_resolution_clock::duration hangDuration = std::chrono::seconds(10)): mHangDuration(hangDuration) {}

    template<aui::invocable Operation>
    auto runOperation(Operation&& operation) -> decltype(operation()) {
        std::unique_lock lock(mSync);
        mBeginPoint = std::chrono::high_resolution_clock::now();
        AUI_DEFER {
            lock.lock();
            mBeginPoint.reset();
        };
        lock.unlock();
        return operation();
    }

    [[nodiscard]]
    bool isHang() const noexcept;
     
private:
    mutable AMutex mSync;
    std::chrono::high_resolution_clock::duration mHangDuration; 
    AOptional<std::chrono::high_resolution_clock::time_point> mBeginPoint;
};