cxLogicManager.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.
                 
Copyright (c) SINTEF Department of Medical Technology.
All rights reserved.
                 
CustusX is released under a BSD 3-Clause license.
                 
See Lisence.txt (https://github.com/SINTEFMedtek/CustusX/blob/master/License.txt) for details.
=========================================================================*/
#include <cxLogicManager.h>

#ifndef CX_WINDOWS
#include <sys/utsname.h>
#endif

#include <QApplication>
#include <ctkPluginContext.h>
#include "cxLogger.h"
#include "cxVideoServiceProxy.h"
#include "cxStateService.h"
#include "cxGPUImageBuffer.h"
#include "cxSettings.h"
#include "cxSpaceProviderImpl.h"
#include "cxDataFactory.h"
#include "cxCoreServices.h"
#include "cxTypeConversions.h"
#include "cxSharedPointerChecker.h"
#include "cxPluginFramework.h"
#include "cxVideoServiceProxy.h"
#include "cxTrackingServiceProxy.h"
#include "cxPatientModelServiceProxy.h"
#include "cxStateServiceProxy.h"
#include "cxViewServiceProxy.h"
#include "cxSessionStorageServiceProxy.h"
#include "cxFileManagerServiceProxy.h"
#include "cxReporter.h"
#include "cxProfile.h"

namespace cx
{
// --------------------------------------------------------
LogicManager* LogicManager::mInstance = NULL; 
// --------------------------------------------------------

LogicManager* logicManager()
{
        return LogicManager::getInstance();
}

void LogicManager::initializeBasic()
{
        LogicManager::getInstance()->basicSetup();
}

void LogicManager::initialize(ApplicationComponentPtr component)
{
        LogicManager::getInstance()->initializeServices();
        LogicManager::getInstance()->setApplicationComponent(component);

        // we might want to use this one, in order to shutdown within the main loop
//      connect(qApp, &QApplication::aboutToQuit, LogicManager::getInstance(), &LogicManager::shutdown);
}

void LogicManager::shutdown()
{
        //CX_LOG_DEBUG() << "Ubuntu 20.04 identifyed - skipping some shutdown procedures in LogicManager";
        //CX_LOG_DEBUG() << "Skipping some shutdown procedures in LogicManager, because of CTK issues";
        LogicManager::getInstance()->shutdownServicesLight();

        //Replacing these 3 lines with the above line seems to fix the test seg. faults on Ubuntu 20.04
        //Now the same shutdown code is running on all platforms, and not only Ubuntu 20.04
        //Old shutdown sequence cause seg. faults with new CTK - Qt combinations
        //LogicManager::getInstance()->shutdownServices();
        //delete mInstance;
        //mInstance = NULL;
}

bool LogicManager::isUbuntu2004()
{
#ifdef CX_WINDOWS
        return false;
#else
        struct utsname uname_pointer;
        uname(&uname_pointer);
        CX_LOG_DEBUG() << "System info: " << uname_pointer.sysname << ", " << uname_pointer.version << ", " << uname_pointer.release;

        QString systemVersion(uname_pointer.version);
        //CX_LOG_DEBUG() << "System version: " << systemVersion;

        if(!systemVersion.contains("Ubuntu"))
                return false;

        // 5.4 is the system kernel for Ubuntu 20.04, but for some reason later installations comes with 5.11 (the kernel for 21.04)
        // In this case the uname_pointer.version string seems to contain 20.04
        QString systemKernel(uname_pointer.release);
        if(systemVersion.contains("20.04")) //For new installations of 20.04, with the "21.04 kernel"
                return true;
        else if (systemKernel.contains("5.4.")) //For old installations, with the original kernel
                return true;
        else
                return false;
#endif
}

void LogicManager::initializeServices()
{
        CX_LOG_INFO() << " --- Initialize services for " << qApp->applicationName() << "...";

        this->basicSetup();

        mPluginFramework->loadState();

        if (mComponent)
                mComponent->create();

        mShutdown = false;
        CX_LOG_DEBUG() << " --- End initialize services.";
}

void LogicManager::basicSetup()
{
        ProfileManager::initialize();
        Reporter::initialize();

        mPluginFramework = PluginFrameworkManager::create();
        mPluginFramework->start();
        mPluginFramework->setSearchPaths(QStringList());

        this->createLegacyStoredServices();
}

void LogicManager::createLegacyStoredServices()
{
        // services layer
        ctkPluginContext* pc = this->getPluginContext();

        //mFileManagerService = FileManagerServiceProxy::create(pc);
        mTrackingService = TrackingServiceProxy::create(pc);
        mPatientModelService = PatientModelServiceProxy::create(pc);
        mVideoService = VideoServiceProxy::create(pc);
        mViewService = ViewServiceProxy::create(pc);
        connect(mPluginFramework.get(), &PluginFrameworkManager::aboutToStop, mViewService.get(), &ViewService::aboutToStop);
        mStateService = StateServiceProxy::create(pc);
        mSessionStorageService = SessionStorageServiceProxy::create(pc);

        mSpaceProvider.reset(new cx::SpaceProviderImpl(mTrackingService, mPatientModelService));
}

void LogicManager::setApplicationComponent(ApplicationComponentPtr component)
{
        if (mComponent)
                mComponent->destroy();

        mComponent = component;

        if (mComponent)
                mComponent->create();
}

void LogicManager::restartWithNewProfile(QString uid)
{
        QMetaObject::invokeMethod(this, "onRestartWithNewProfile",
                                                          Qt::QueuedConnection,
                                                          Q_ARG(QString, uid));
}

void LogicManager::onRestartWithNewProfile(QString uid)
{
        if (profile()->getUid()==uid)
                return;
        this->restartServicesWithProfile(uid);
}

void LogicManager::restartServicesWithProfile(QString uid)
{
        this->shutdownServices();
        ProfileManager::getInstance()->setActiveProfile(uid);
        this->initializeServices();
}

void LogicManager::shutdownServices()
{
        if(mShutdown)
        {
                CX_LOG_ERROR() << "Trying to shutdown logicmanager when it already shutdown. Aborting shutdown, fix code.";
                return;
        }

        CX_LOG_INFO() << " --- Shutting down " << qApp->applicationName() << "...";
        CX_LOG_DEBUG() << "Skipping some shutdown procedures in LogicManager, because of CTK issues";

        this->getPatientModelService()->autoSave();

        if (mComponent)
                mComponent->destroy(); // this is the GUI - delete first

        mPluginFramework->stop();

        this->shutdownLegacyStoredServices();
        mPluginFramework.reset();
        GPUImageBufferRepository::shutdown();
        Reporter::shutdown();
        ProfileManager::shutdown();

        mShutdown = true;
        CX_LOG_DEBUG() << " --- End shutdown services";
}

void LogicManager::shutdownServicesLight()
{
        if(mShutdown)
        {
                CX_LOG_ERROR() << "Trying to shutdown logicmanager when it already shutdown. Aborting shutdown, fix code.";
                return;
        }

        CX_LOG_INFO() << " --- Shutting down (Light) " << qApp->applicationName() << "...";

        this->getPatientModelService()->autoSave();

        if (mComponent)
                mComponent->destroy(); // this is the GUI - delete first

        this->shutdownLegacyStoredServices();

        GPUImageBufferRepository::shutdown();
        Reporter::shutdown();
        ProfileManager::shutdown();

        mShutdown = true;
        CX_LOG_DEBUG() << " --- End (Light) shutdown services";
}

void LogicManager::shutdownLegacyStoredServices()
{
        this->shutdownService(mSpaceProvider, "SpaceProvider"); // remove before patmodel and track
        this->shutdownService(mStateService, "StateService");
        this->shutdownService(mViewService, "ViewService");
        this->shutdownService(mTrackingService, "TrackingService");
        this->shutdownService(mPatientModelService, "PatientModelService");
        this->shutdownService(mVideoService, "VideoService");
        this->shutdownService(mSessionStorageService, "SessionStorageService");
}

template<class T>
void LogicManager::shutdownService(boost::shared_ptr<T>& service, QString name)
{
        requireUnique(service, name);
        service.reset();
}

PatientModelServicePtr LogicManager::getPatientModelService()
{
        return mPatientModelService;
}
TrackingServicePtr LogicManager::getTrackingService()
{
        return mTrackingService;
}
VideoServicePtr LogicManager::getVideoService()
{
        return mVideoService;
}
StateServicePtr LogicManager::getStateService()
{
        return mStateService;
}
SpaceProviderPtr LogicManager::getSpaceProvider()
{
        return mSpaceProvider;
}
ViewServicePtr LogicManager::getViewService()
{
        return mViewService;
}
SessionStorageServicePtr LogicManager::getSessionStorageService()
{
        return mSessionStorageService;
}

//FileManagerServicePtr LogicManager::getFileManagerService()
//{
//      return mFileManagerService;
//}

PluginFrameworkManagerPtr LogicManager::getPluginFramework()
{
        return mPluginFramework;
}
ctkPluginContext* LogicManager::getPluginContext()
{
        return this->getPluginFramework()->getPluginContext();
}

LogicManager* LogicManager::getInstance()
{
        if (!mInstance)
        {
                mInstance = new LogicManager;
        }
        return mInstance;
}

LogicManager::LogicManager()
{
}

LogicManager::~LogicManager()
{

}

}