watchdog.h

#pragma once
#include <chrono>
#include <atomic>
#include <thread>
#include <mutex>

#include <openvr_driver.h>
#include "settings_util.h"
#include "PSMoveClient_CAPI.h"

namespace steamvrbridge {

    /*  
        IClientTrackedDeviceProvider implementation as per: 
        https://github.com/ValveSoftware/openvr/wiki/IClientTrackedDeviceProvider_Overview 
    */
    class CWatchdogDriver_PSMoveService : public vr::IVRWatchdogProvider
    {
    public:
        CWatchdogDriver_PSMoveService();
        virtual ~CWatchdogDriver_PSMoveService();

        static CWatchdogDriver_PSMoveService * getInstance() {
            if (m_instance == nullptr)
                m_instance = new CWatchdogDriver_PSMoveService();

            return m_instance;
        }

        // Inherited via IClientTrackedDeviceProvider
        virtual vr::EVRInitError Init(vr::IVRDriverContext *pDriverContext);
        virtual void Cleanup() override;

    protected:
        void WorkerThreadFunction();
        void WatchdogLogVarArgs(const char *pMsgFormat, va_list args);
        void WatchdogLog(const char *pMsgFormat, ...);

    private:
        class vr::IVRDriverLog * m_pLogger;
        std::mutex m_loggerMutex;

        bool m_bWasConnected;
        std::atomic_bool m_bExitSignaled;
        std::thread *m_pWatchdogThread;

        ServerDriverConfig m_config;

        PSMControllerList controllerList;

        static CWatchdogDriver_PSMoveService * m_instance;
    };
}