AzureIoTResult_t AzureIoTHubClientProperties_GetNextComponentProperty()

in source/azure_iot_hub_client_properties.c [192:245]

• 50 lines of code
• 10 McCabe index (conditional complexity)

AzureIoTResult_t AzureIoTHubClientProperties_GetNextComponentProperty( AzureIoTHubClient_t * pxAzureIoTHubClient,
                                                                       AzureIoTJSONReader_t * pxJSONReader,
                                                                       AzureIoTHubMessageType_t xResponseType,
                                                                       AzureIoTHubClientPropertyType_t xPropertyType,
                                                                       const uint8_t ** ppucComponentName,
                                                                       uint32_t * pulComponentNameLength )
{
    AzureIoTResult_t xResult;
    az_result xCoreResult;
    az_span xComponentSpan;
    az_iot_hub_client_properties_message_type xCoreMessageType;

    if( ( pxAzureIoTHubClient == NULL ) || ( pxJSONReader == NULL ) ||
        ( ( xResponseType != eAzureIoTHubPropertiesRequestedMessage ) &&
          ( xResponseType != eAzureIoTHubPropertiesWritablePropertyMessage ) ) ||
        ( ppucComponentName == NULL ) || ( pulComponentNameLength == NULL ) )
    {
        AZLogError( ( "AzureIoTHubClientProperties_GetNextComponentProperty failed: invalid argument" ) );
        xResult = eAzureIoTErrorInvalidArgument;
    }
    else
    {
        xComponentSpan = az_span_create( ( uint8_t * ) *ppucComponentName, ( int32_t ) *pulComponentNameLength );
        xCoreMessageType = xResponseType == eAzureIoTHubPropertiesRequestedMessage ?
                           AZ_IOT_HUB_CLIENT_PROPERTIES_MESSAGE_TYPE_GET_RESPONSE : AZ_IOT_HUB_CLIENT_PROPERTIES_MESSAGE_TYPE_WRITABLE_UPDATED;

        if( az_result_failed(
                xCoreResult = az_iot_hub_client_properties_get_next_component_property( &pxAzureIoTHubClient->_internal.xAzureIoTHubClientCore,
                                                                                        &pxJSONReader->_internal.xCoreReader,
                                                                                        xCoreMessageType,
                                                                                        ( az_iot_hub_client_property_type ) xPropertyType,
                                                                                        &xComponentSpan ) ) )
        {
            if( xCoreResult == AZ_ERROR_IOT_END_OF_PROPERTIES )
            {
                xResult = eAzureIoTErrorEndOfProperties;
            }
            else
            {
                AZLogError( ( "Could not get next component property: core error=0x%08x", ( uint16_t ) xCoreResult ) );
                xResult = AzureIoT_TranslateCoreError( xCoreResult );
            }
        }
        else
        {
            *ppucComponentName = az_span_ptr( xComponentSpan );
            *pulComponentNameLength = ( uint16_t ) az_span_size( xComponentSpan );

            xResult = eAzureIoTSuccess;
        }
    }

    return xResult;
}