Re: [PATCH v3] hyperv: recognize array property as distinct type.

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2017-04-18 16:56 GMT+02:00 Dawid Zamirski <dzamirski@xxxxxxxxx>:
> When hyperv code generator for WMI classes identifies common
> properties, it needs to take into account array type as a distinct
> type, i.e string != string[]. This is the case where v1 of the
> Msvm_VirtualSystemSettingData has Notes property as string whereas v2
> uses Notes[], therefore they have to be treated as different fields and
> cannot be placed in the "common" struct.
> ---
>
> changes in v3:
> * add virBufferCheckError before calling virBufferContentAndReset.
>
>  src/hyperv/hyperv_driver.c         | 28 ++++++++++++++++++++++++++--
>  src/hyperv/hyperv_wmi_generator.py |  2 +-
>  2 files changed, 27 insertions(+), 3 deletions(-)
>
> diff --git a/src/hyperv/hyperv_driver.c b/src/hyperv/hyperv_driver.c
> index 090ea24..8e5eeda 100644
> --- a/src/hyperv/hyperv_driver.c
> +++ b/src/hyperv/hyperv_driver.c
> @@ -894,8 +894,32 @@ hypervDomainGetXMLDesc(virDomainPtr domain, unsigned int flags)
>      if (VIR_STRDUP(def->name, computerSystem->data.common->ElementName) < 0)
>          goto cleanup;
>
> -    if (VIR_STRDUP(def->description, virtualSystemSettingData->data.common->Notes) < 0)
> -        goto cleanup;
> +    if (priv->wmiVersion == HYPERV_WMI_VERSION_V1) {
> +        if (VIR_STRDUP(def->description,
> +                       virtualSystemSettingData->data.v1->Notes) < 0)
> +            goto cleanup;
> +    } else if (priv->wmiVersion == HYPERV_WMI_VERSION_V2 &&
> +               virtualSystemSettingData->data.v2->Notes.data != NULL) {
> +        char **notes = (char **) virtualSystemSettingData->data.v2->Notes.data;
> +        virBuffer buf = VIR_BUFFER_INITIALIZER;
> +        size_t i = 0;
> +
> +        /* in practice Notes has 1 element */
> +        for (i = 0; i < virtualSystemSettingData->data.v2->Notes.count; i++) {
> +            /* but if there's more than 1, separate by double new line */
> +            if (virBufferUse(&buf) > 0)
> +                virBufferAddLit(&buf, "\n\n");
> +
> +            virBufferAdd(&buf, *notes, -1);
> +            notes++;
> +        }
> +
> +        if (virBufferCheckError(&buf))
> +            cleanup;

This will not compile, the goto is missing.

> +
> +        def->description = virBufferContentAndReset(&buf);
> +    }
> +
>

Extra whitespace.

ACK. I fixed both problems and pushed the result, thanks.

-- 
Matthias Bolte
http://photron.blogspot.com

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