[libvirt] [PATCH v5.1 02/11] conf: Add post XML parse callbacks and prepare for cleaning of virCaps

[Eric Blake]

On 04/04/2013 06:10 AM, Peter Krempa wrote:
> This patch adds instrumentation that will allow hypervisor drivers to
> fill and validate domain and device definitions after parsed by the XML
> parser.
> 
> With this patch, after the XML is parsed, a callback to the driver is
> issued requesing to fill and validate driver specific details of the

s/requesing/requesting/

> configuration. This allows to use sensible defaults and checks on a per
> driver basis at the time the XML is parsed.
> 
> Two callback pointers are stored in the new virDomainXMLConf object:
> * virDomainDeviceDefPostParseCallback (devicesPostParseCallback)
>   - called for a single device parsed and for every single device in a
>     domain config. A virDomainDeviceDefPtr is passed along with the
>     domain definition and virCaps.
> 
> * virDomainDefPostParseCallback, (domainPostParseCallback)
>   - A callback that is meant to process the domain config after it's
>   parsed.  A virDomainDefPtr is passed along with virCaps.
> 
> Both types of callbacks support arbitrary opaque data passed for the
> callback functions.
> 
> Errors may be reported in those callbacks resulting in a XML parsing
> failure.
> ---

> +    if (xmlopt && xmlopt->config.devicesPostParseCallback) {
> +        ret = xmlopt->config.devicesPostParseCallback(dev, def, caps,
> +                                                    xmlopt->config.priv);

Indentation is off.


> +    /* call the domain config callback */
> +    if (xmlopt && xmlopt->config.domainPostParseCallback) {
> +        ret = xmlopt->config.domainPostParseCallback(def, caps,
> +                                                   xmlopt->config.priv);

and again

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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