src/application/impl/app_state_manager_impl.hpp

Namespaces

Name
sgns
sgns::application

Classes

	Name
class	sgns::application::AppStateManagerImpl

Source code

#ifndef SUPERGENIUS_SRC_APP_STATE_MANAGER
#define SUPERGENIUS_SRC_APP_STATE_MANAGER

#include "application/app_state_manager.hpp"

#include <condition_variable>
#include <csignal>
#include <mutex>
#include <queue>

#include "base/logger.hpp"

namespace sgns::application
{

    class AppStateManagerImpl : public AppStateManager
    {
    public:
        AppStateManagerImpl();
        AppStateManagerImpl( const AppStateManagerImpl & )     = delete;
        AppStateManagerImpl( AppStateManagerImpl && ) noexcept = delete;

        ~AppStateManagerImpl() override;

        AppStateManagerImpl &operator=( AppStateManagerImpl const & )     = delete;
        AppStateManagerImpl &operator=( AppStateManagerImpl && ) noexcept = delete;

        void atPrepare( OnPrepare &&cb ) override;
        void atLaunch( OnLaunch &&cb ) override;
        void atShutdown( OnShutdown &&cb ) override;

        void run() override;
        void shutdown() override;

        State state() const override
        {
            return state_;
        }
        std::string GetName() override
        {
            return "AppStateManagerImpl";
        }


    protected:
        void reset();

        void doPrepare() override;
        void doLaunch() override;
        void doShutdown() override;

    private:
        static std::weak_ptr<AppStateManager> wp_to_myself;
        static void                           shuttingDownSignalsHandler( int );

        base::Logger logger_;

        State state_ = State::Init;

        std::recursive_mutex mutex_;

        std::mutex              cv_mutex_;
        std::condition_variable cv_;

        std::queue<OnPrepare>  prepare_;
        std::queue<OnLaunch>   launch_;
        std::queue<OnShutdown> shutdown_;

        std::atomic_bool shutdown_requested_{ false };
    };

} // namespace sgns::application

#endif // SUPERGENIUS_SRC_APP_STATE_MANAGER

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Updated on 2026-03-04 at 13:10:44 -0800