Re: [PATCH v2 2/7] virDomainRedirdevDef: Introduce find & remove routines

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On 06/10/2016 11:32 AM, Michal Privoznik wrote:
> Basically, there are just two functions introduced here:
> virDomainRedirdevDefFind which looks up given redirdev in domain
> definition, and virDomainRedirdevDefRemove which removes the
> device at given index in the array of devices.
> 
> Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
> ---
>  src/conf/domain_conf.c   | 42 ++++++++++++++++++++++++++++++++++++++++++
>  src/conf/domain_conf.h   |  4 ++++
>  src/libvirt_private.syms |  2 ++
>  3 files changed, 48 insertions(+)
> 

ACK - one note below.

John
> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
> index c75279d..e0d10e9 100644
> --- a/src/conf/domain_conf.c
> +++ b/src/conf/domain_conf.c
> @@ -14603,6 +14603,48 @@ virDomainMemoryRemove(virDomainDefPtr def,
>  }
>  
>  
> +ssize_t
> +virDomainRedirdevDefFind(virDomainDefPtr def,
> +                         virDomainRedirdevDefPtr redirdev)
> +{
> +    size_t i;
> +
> +    for (i = 0; i < def->nredirdevs; i++) {
> +        virDomainRedirdevDefPtr tmp = def->redirdevs[i];
> +
> +        if (redirdev->bus != tmp->bus)
> +            continue;
> +
> +        if (!virDomainChrSourceDefIsEqual(&redirdev->source.chr,
> +                                          &tmp->source.chr))
> +            continue;
> +

I would think if type == NONE, then neither AddressIsEqual or Alias will
matter.  This way works, but after seeing Laine's recent patch about &&
I had to think a bit!

> +        if (redirdev->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE &&
> +            !virDomainDeviceInfoAddressIsEqual(&redirdev->info, &tmp->info))
> +            continue;
> +
> +        if (redirdev->info.alias &&
> +            STRNEQ_NULLABLE(redirdev->info.alias, tmp->info.alias))
> +            continue;
> +
> +        return i;
> +    }
> +
> +    return -1;
> +}
> +
> +
> +virDomainRedirdevDefPtr
> +virDomainRedirdevDefRemove(virDomainDefPtr def, size_t idx)
> +{
> +    virDomainRedirdevDefPtr ret = def->redirdevs[idx];
> +
> +    VIR_DELETE_ELEMENT(def->redirdevs, idx, def->nredirdevs);
> +
> +    return ret;
> +}
> +
> +
>  char *
>  virDomainDefGetDefaultEmulator(virDomainDefPtr def,
>                                 virCapsPtr caps)
> diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
> index 3792562..c1b002a 100644
> --- a/src/conf/domain_conf.h
> +++ b/src/conf/domain_conf.h
> @@ -2827,6 +2827,10 @@ virDomainChrRemove(virDomainDefPtr vmdef,
>  ssize_t virDomainRNGFind(virDomainDefPtr def, virDomainRNGDefPtr rng);
>  virDomainRNGDefPtr virDomainRNGRemove(virDomainDefPtr def, size_t idx);
>  
> +ssize_t virDomainRedirdevDefFind(virDomainDefPtr def,
> +                                 virDomainRedirdevDefPtr redirdev);
> +virDomainRedirdevDefPtr virDomainRedirdevDefRemove(virDomainDefPtr def, size_t idx);
> +
>  int virDomainSaveXML(const char *configDir,
>                       virDomainDefPtr def,
>                       const char *xml);
> diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
> index 85b9cd1..4625886 100644
> --- a/src/libvirt_private.syms
> +++ b/src/libvirt_private.syms
> @@ -424,7 +424,9 @@ virDomainPMSuspendedReasonTypeFromString;
>  virDomainPMSuspendedReasonTypeToString;
>  virDomainRedirdevBusTypeFromString;
>  virDomainRedirdevBusTypeToString;
> +virDomainRedirdevDefFind;
>  virDomainRedirdevDefFree;
> +virDomainRedirdevDefRemove;
>  virDomainRNGBackendTypeToString;
>  virDomainRNGDefFree;
>  virDomainRNGFind;
> 

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