Exemple #1
0
int run_backend(MythBackendCommandLineParser &cmdline)
{
    gBackendContext = new BackendContext();

    if (!DBUtil::CheckTimeZoneSupport())
    {
        LOG(VB_GENERAL, LOG_ERR,
            "MySQL time zone support is missing.  "
            "Please install it and try again.  "
            "See 'mysql_tzinfo_to_sql' for assistance.");
        return GENERIC_EXIT_DB_NOTIMEZONE;
    }

    bool ismaster = gCoreContext->IsMasterHost();

    if (!UpgradeTVDatabaseSchema(ismaster, ismaster))
    {
        LOG(VB_GENERAL, LOG_ERR, "Couldn't upgrade database to new schema");
        return GENERIC_EXIT_DB_OUTOFDATE;
    }

    MythTranslation::load("mythfrontend");

    if (!ismaster)
    {
        int ret = connect_to_master();
        if (ret != GENERIC_EXIT_OK)
            return ret;
    }

    int     port = gCoreContext->GetBackendServerPort();
    if (gCoreContext->GetBackendServerIP().isEmpty())
    {
        cerr << "No setting found for this machine's BackendServerIP.\n"
             << "Please run setup on this machine and modify the first page\n"
             << "of the general settings.\n";
        return GENERIC_EXIT_SETUP_ERROR;
    }

    MythSystemEventHandler *sysEventHandler = new MythSystemEventHandler();

    if (ismaster)
    {
        LOG(VB_GENERAL, LOG_NOTICE, LOC + "Starting up as the master server.");
    }
    else
    {
        LOG(VB_GENERAL, LOG_NOTICE, LOC + "Running as a slave backend.");
    }

    print_warnings(cmdline);

    bool fatal_error = false;
    bool runsched = setupTVs(ismaster, fatal_error);
    if (fatal_error)
    {
        delete sysEventHandler;
        return GENERIC_EXIT_SETUP_ERROR;
    }

    Scheduler *sched = NULL;
    if (ismaster)
    {
        if (runsched)
        {
            sched = new Scheduler(true, &tvList);
            int err = sched->GetError();
            if (err)
                return err;

            if (cmdline.toBool("nosched"))
                sched->DisableScheduling();
        }

        if (!cmdline.toBool("noautoexpire"))
        {
            expirer = new AutoExpire(&tvList);
            if (sched)
                sched->SetExpirer(expirer);
        }
        gCoreContext->SetScheduler(sched);
    }

    if (!cmdline.toBool("nohousekeeper"))
    {
        housekeeping = new HouseKeeper();

        if (ismaster)
        {
            housekeeping->RegisterTask(new LogCleanerTask());
            housekeeping->RegisterTask(new CleanupTask());
            housekeeping->RegisterTask(new ThemeUpdateTask());
            housekeeping->RegisterTask(new ArtworkTask());
            housekeeping->RegisterTask(new MythFillDatabaseTask());

            // only run this task if MythMusic is installed and we have a new enough schema
            if (gCoreContext->GetNumSetting("MusicDBSchemaVer", 0) >= 1024)
                housekeeping->RegisterTask(new RadioStreamUpdateTask());
        }

        housekeeping->RegisterTask(new JobQueueRecoverTask());
#ifdef __linux__
 #ifdef CONFIG_BINDINGS_PYTHON
        housekeeping->RegisterTask(new HardwareProfileTask());
 #endif
#endif

        housekeeping->Start();
    }

    if (!cmdline.toBool("nojobqueue"))
        jobqueue = new JobQueue(ismaster);

    // ----------------------------------------------------------------------
    //
    // ----------------------------------------------------------------------

    if (g_pUPnp == NULL)
    {
        g_pUPnp = new MediaServer();

        g_pUPnp->Init(ismaster, cmdline.toBool("noupnp"));
    }

    // ----------------------------------------------------------------------
    // Setup status server
    // ----------------------------------------------------------------------

    HttpStatus *httpStatus = NULL;
    HttpServer *pHS = g_pUPnp->GetHttpServer();

    if (pHS)
    {
        LOG(VB_GENERAL, LOG_INFO, "Main::Registering HttpStatus Extension");

        httpStatus = new HttpStatus( &tvList, sched, expirer, ismaster );
        pHS->RegisterExtension( httpStatus );
    }

    mainServer = new MainServer(
        ismaster, port, &tvList, sched, expirer);

    int exitCode = mainServer->GetExitCode();
    if (exitCode != GENERIC_EXIT_OK)
    {
        LOG(VB_GENERAL, LOG_CRIT,
            "Backend exiting, MainServer initialization error.");
        cleanup();
        return exitCode;
    }

    if (httpStatus && mainServer)
        httpStatus->SetMainServer(mainServer);

    StorageGroup::CheckAllStorageGroupDirs();

    if (gCoreContext->IsMasterBackend())
        gCoreContext->SendSystemEvent("MASTER_STARTED");

#ifdef USING_SYSTEMD_NOTIFY
    // Provide systemd ready notification (for type=notify units)
    (void)sd_notify(0, "READY=1");
#endif

    ///////////////////////////////
    ///////////////////////////////
    exitCode = qApp->exec();
    ///////////////////////////////
    ///////////////////////////////

    if (gCoreContext->IsMasterBackend())
    {
        gCoreContext->SendSystemEvent("MASTER_SHUTDOWN");
        qApp->processEvents();
    }

    LOG(VB_GENERAL, LOG_NOTICE, "MythBackend exiting");

    delete sysEventHandler;

    return exitCode;
}
Exemple #2
0
int run_backend(MythBackendCommandLineParser &cmdline)
{
    if (!DBUtil::CheckTimeZoneSupport())
    {
        LOG(VB_GENERAL, LOG_ERR,
            "MySQL time zone support is missing.  "
            "Please install it and try again.  "
            "See 'mysql_tzinfo_to_sql' for assistance.");
        return GENERIC_EXIT_DB_NOTIMEZONE;
    }

    bool ismaster = gCoreContext->IsMasterHost();

    if (!UpgradeTVDatabaseSchema(ismaster, ismaster))
    {
        LOG(VB_GENERAL, LOG_ERR, "Couldn't upgrade database to new schema");
        return GENERIC_EXIT_DB_OUTOFDATE;
    }

    MythTranslation::load("mythfrontend");

    if (!ismaster)
    {
        int ret = connect_to_master();
        if (ret != GENERIC_EXIT_OK)
            return ret;
    }

    int     port = gCoreContext->GetNumSetting("BackendServerPort", 6543);
    if (gCoreContext->GetSetting("BackendServerIP").isEmpty() &&
        gCoreContext->GetSetting("BackendServerIP6").isEmpty())
    {
        cerr << "No setting found for this machine's BackendServerIP.\n"
             << "Please run setup on this machine and modify the first page\n"
             << "of the general settings.\n";
        return GENERIC_EXIT_SETUP_ERROR;
    }

    MythSystemEventHandler *sysEventHandler = new MythSystemEventHandler();

    if (ismaster)
    {
        LOG(VB_GENERAL, LOG_NOTICE, LOC + "Starting up as the master server.");
    }
    else
    {
        LOG(VB_GENERAL, LOG_NOTICE, LOC + "Running as a slave backend.");
    }

    print_warnings(cmdline);

    bool fatal_error = false;
    bool runsched = setupTVs(ismaster, fatal_error);
    if (fatal_error)
    {
        delete sysEventHandler;
        return GENERIC_EXIT_SETUP_ERROR;
    }

    Scheduler *sched = NULL;
    if (ismaster)
    {
        if (runsched)
        {
            sched = new Scheduler(true, &tvList);
            int err = sched->GetError();
            if (err)
                return err;

            if (cmdline.toBool("nosched"))
                sched->DisableScheduling();
        }

        if (!cmdline.toBool("nohousekeeper"))
            housekeeping = new HouseKeeper(true, ismaster, sched);

        if (!cmdline.toBool("noautoexpire"))
        {
            expirer = new AutoExpire(&tvList);
            if (sched)
                sched->SetExpirer(expirer);
        }
        gCoreContext->SetScheduler(sched);
    }
    else if (!cmdline.toBool("nohousekeeper"))
    {
        housekeeping = new HouseKeeper(true, ismaster, NULL);
    }

    if (!cmdline.toBool("nojobqueue"))
        jobqueue = new JobQueue(ismaster);

    // ----------------------------------------------------------------------
    //
    // ----------------------------------------------------------------------

    if (g_pUPnp == NULL)
    {
        g_pUPnp = new MediaServer();

        g_pUPnp->Init(ismaster, cmdline.toBool("noupnp"));
    }

    // ----------------------------------------------------------------------
    // Setup status server
    // ----------------------------------------------------------------------

    HttpStatus *httpStatus = NULL;
    HttpServer *pHS = g_pUPnp->GetHttpServer();

    if (pHS)
    {
        LOG(VB_GENERAL, LOG_INFO, "Main::Registering HttpStatus Extension");

        httpStatus = new HttpStatus( &tvList, sched, expirer, ismaster );
        pHS->RegisterExtension( httpStatus );
    }

    mainServer = new MainServer(
        ismaster, port, &tvList, sched, expirer);

    int exitCode = mainServer->GetExitCode();
    if (exitCode != GENERIC_EXIT_OK)
    {
        LOG(VB_GENERAL, LOG_CRIT,
            "Backend exiting, MainServer initialization error.");
        cleanup();
	return exitCode;
    }

    if (httpStatus && mainServer)
        httpStatus->SetMainServer(mainServer);

    StorageGroup::CheckAllStorageGroupDirs();

    if (gCoreContext->IsMasterBackend())
        gCoreContext->SendSystemEvent("MASTER_STARTED");

    ///////////////////////////////
    ///////////////////////////////
    exitCode = qApp->exec();
    ///////////////////////////////
    ///////////////////////////////

    if (gCoreContext->IsMasterBackend())
    {
        gCoreContext->SendSystemEvent("MASTER_SHUTDOWN");
        qApp->processEvents();
    }

    LOG(VB_GENERAL, LOG_NOTICE, "MythBackend exiting");

    delete sysEventHandler;

    return exitCode;
}