MI_Result UpdateDefaultValueForMetaConfig()

in LCM/dsc/engine/ConfigurationManager/LocalConfigManagerHelper.c [5151:5298]

• 134 lines of code
• 26 McCabe index (conditional complexity)

MI_Result UpdateDefaultValueForMetaConfig(
    _Inout_ MI_Instance* self)
{
    MI_Result r = MI_RESULT_OK;
    MI_Value value;
    MI_Uint32 flags;   
    MI_Uint32 factor = 0;
    MI_Value refreshFrequencyMins;
    MI_Value configurationModeFrequencyMins;

        overWroteUserSpecifiedRefreshFreqMins=NULL; //Reset this to Null since this function is called by both InitMetaConfig , and SetMetaConfig. 
        overWroteUserSpecifiedConfModeFreqMins = NULL; //Reset this to Null since this function is called by both InitMetaConfig , and SetMetaConfig. 
    r = DSC_MI_Instance_GetElement((MI_Instance*)self, MSFT_DSCMetaConfiguration_RefreshFrequencyMins, &value, NULL, &flags, NULL);
    if (r != MI_RESULT_OK)
    {
        return r;
    }
    else if (flags & MI_FLAG_NULL || value.uint32 < DEFAULT_MinRefreshFrequencyMins || value.uint32 > DEFAULT_MaxRefreshFrequencyMins)
    {
        if(value.uint32 < DEFAULT_MinRefreshFrequencyMins)
        {
            value.uint32 = DEFAULT_MinRefreshFrequencyMins;
                        overWroteUserSpecifiedRefreshFreqMins = DEFAULT_MinRefreshFrequencyMinsString;
             r = MI_Instance_SetElement((MI_Instance*)self, MSFT_DSCMetaConfiguration_RefreshFrequencyMins, &value, MI_UINT32, 0);
             if (r != MI_RESULT_OK)
          {
                 return r;
             }
        }
         else
         {
             value.uint32 = DEFAULT_MaxRefreshFrequencyMins;
                         overWroteUserSpecifiedRefreshFreqMins = DEFAULT_MaxRefreshFrequencyMinsString;
             r = MI_Instance_SetElement((MI_Instance*)self, MSFT_DSCMetaConfiguration_RefreshFrequencyMins, &value, MI_UINT32, 0);
             if(r != MI_RESULT_OK)
             {
              return r;
             }
        }
    }

    refreshFrequencyMins = value;

    r = DSC_MI_Instance_GetElement((MI_Instance*)self, MSFT_DSCMetaConfiguration_ConfigurationModeFrequencyMins, &value, NULL, &flags, NULL);
    if (r != MI_RESULT_OK)
    {
        return r;
    }
    else if (flags & MI_FLAG_NULL || value.uint32 < DEFAULT_ConfigurationModeFrequencyMins)
    {
        value.uint32 = DEFAULT_ConfigurationModeFrequencyMins;
                overWroteUserSpecifiedConfModeFreqMins = DEFAULT_ConfigurationModueFrequencyMinsString;
        r = MI_Instance_SetElement((MI_Instance*)self, MSFT_DSCMetaConfiguration_ConfigurationModeFrequencyMins, &value, MI_UINT32, 0);
        if (r != MI_RESULT_OK)
        {
            return r;
        }
    }

    configurationModeFrequencyMins = value;

    // refresh should be a whole number factor of configuration
    factor = configurationModeFrequencyMins.uint32 % refreshFrequencyMins.uint32;
    if(factor != 0)
    {
                overWroteUserSpecifiedConfModeFreqMins = DEFAULT_ConfigurationModueFrequencyMinsString;
                //There are two cases: 1.) configurationModeFrequencyMins > refreshFrequencyMins. In this case, the factor obtained by dividing the two will be greater than 1
    //                 2.) configurationModeFrequencyMins < refreshFrequencyMins. In this case the factor will be 0 and so we should set it to refreshFrequencyMins
    factor = (MI_Uint32)(configurationModeFrequencyMins.uint32 / refreshFrequencyMins.uint32);
        if(factor > 0)
    {
        configurationModeFrequencyMins.uint32 = refreshFrequencyMins.uint32 * (factor + 1);
    }
    else
    {
        configurationModeFrequencyMins.uint32 = refreshFrequencyMins.uint32;
    }

        r = MI_Instance_SetElement((MI_Instance*)self, MSFT_DSCMetaConfiguration_ConfigurationModeFrequencyMins, 
            &configurationModeFrequencyMins, MI_UINT32, 0);
        if (r != MI_RESULT_OK)
        {
            return r;
        }
    }

    r = DSC_MI_Instance_GetElement((MI_Instance*)self, MSFT_DSCMetaConfiguration_ConfigurationMode, &value, NULL, &flags, NULL);
    if (r != MI_RESULT_OK)
    {
        return r;
    }
    else if (flags & MI_FLAG_NULL)
    {
        value.string = DEFAULT_ConfigurationMode;
        r = MI_Instance_SetElement((MI_Instance*)self, MSFT_DSCMetaConfiguration_ConfigurationMode, &value, MI_STRING, 0);
        if (r != MI_RESULT_OK)
        {
            return r;
        }
    }

    r = DSC_MI_Instance_GetElement((MI_Instance*)self, MSFT_DSCMetaConfiguration_RebootNodeIfNeeded, &value, NULL, &flags, NULL);
    if (r != MI_RESULT_OK)
    {
        return r;
    }
    else if (flags & MI_FLAG_NULL)
    {
        value.boolean = DEFAULT_RebootNodeIfNeeded;
        r = MI_Instance_SetElement((MI_Instance*)self, MSFT_DSCMetaConfiguration_RebootNodeIfNeeded, &value, MI_BOOLEAN, 0);
        if (r != MI_RESULT_OK)
        {
            return r;
        }
    }

    r = DSC_MI_Instance_GetElement((MI_Instance*)self, MSFT_DSCMetaConfiguration_RefreshMode, &value, NULL, &flags, NULL);
    if (r != MI_RESULT_OK)
    {
        return r;
    }
    else if (flags & MI_FLAG_NULL)
    {
        value.string = DEFAULT_RefreshMode;
        r = MI_Instance_SetElement((MI_Instance*)self, MSFT_DSCMetaConfiguration_RefreshMode, &value, MI_STRING, 0);
        if (r != MI_RESULT_OK)
        {
            return r;
        }
    }

    r = DSC_MI_Instance_GetElement((MI_Instance*)self, MSFT_DSCMetaConfiguration_AllowModuleOverwrite, &value, NULL, &flags, NULL);
    if (r != MI_RESULT_OK)
    {
        return r;
    }
    else if (flags & MI_FLAG_NULL)
    {
        value.boolean = DEFAULT_AllowModuleOverwrite;
        r = MI_Instance_SetElement((MI_Instance*)self, MSFT_DSCMetaConfiguration_AllowModuleOverwrite, &value, MI_BOOLEAN, 0);
        if (r != MI_RESULT_OK)
        {
            return r;
        }
    }   

    return MI_RESULT_OK;
}