Re: [dbus PATCH 04/25] Implement BlockPeek metohd for Domain Interface

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On Tue, Apr 17, 2018 at 02:04:23PM +0200, Katerina Koukiou wrote:
> Signed-off-by: Katerina Koukiou <kkoukiou@xxxxxxxxxx>
> ---
>  data/org.libvirt.Domain.xml |  9 +++++++++
>  src/domain.c                | 39 +++++++++++++++++++++++++++++++++++++++
>  2 files changed, 48 insertions(+)
> 
> diff --git a/data/org.libvirt.Domain.xml b/data/org.libvirt.Domain.xml
> index 48b8a95..85e2cf6 100644
> --- a/data/org.libvirt.Domain.xml
> +++ b/data/org.libvirt.Domain.xml
> @@ -54,6 +54,15 @@
>        <arg name="xml" type="s" direction="in"/>
>        <arg name="flags" type="u" direction="in"/>
>      </method>
> +    <method name="BlockPeek">
> +      <annotation name="org.gtk.GDBus.DocString"
> +        value="See https://libvirt.org/html/libvirt-libvirt-domain.html#virDomainCreateWithFlags"/>
> +      <arg name="disk" type="s" direction="in"/>
> +      <arg name="offset" type="t" direction="in"/>
> +      <arg name="size" type="u" direction="in"/>

I agree with Jano that this should be "t" type and therefore gsize in
the code.

> +      <arg name="flags" type="u" direction="in"/>
> +      <arg name="buffer" type="ay" direction="out"/>
> +    </method>
>      <method name="Create">
>        <annotation name="org.gtk.GDBus.DocString"
>          value="See https://libvirt.org/html/libvirt-libvirt-domain.html#virDomainCreateWithFlags"/>
> diff --git a/src/domain.c b/src/domain.c
> index 9197755..c02e289 100644
> --- a/src/domain.c
> +++ b/src/domain.c
> @@ -383,6 +383,44 @@ virtDBusDomainAttachDevice(GVariant *inArgs,
>          virtDBusUtilSetLastVirtError(error);
>  }
>  
> +static void
> +virtDBusDomainBlockPeek(GVariant *inArgs,
> +                        GUnixFDList *inFDs G_GNUC_UNUSED,
> +                        const gchar *objectPath,
> +                        gpointer userData,
> +                        GVariant **outArgs,
> +                        GUnixFDList **outFDs G_GNUC_UNUSED,
> +                        GError **error)
> +{
> +    virtDBusConnect *connect = userData;
> +    g_autoptr(virDomain) domain = NULL;
> +    const gchar *disk;
> +    gulong offset;
> +    guint size;
> +    guint flags;
> +    g_autofree guchar *buffer = NULL;
> +    GVariantBuilder *builder;
> +    GVariant *res;
> +
> +    g_variant_get(inArgs, "(&stuu)", &disk, &offset, &size, &flags);
> +
> +    domain = virtDBusDomainGetVirDomain(connect, objectPath, error);
> +    if (!domain)
> +        return;
> +
> +    buffer = g_new0(guchar, size);
> +    if (virDomainBlockPeek(domain, disk, offset, size, buffer, flags) < 0)
> +        virtDBusUtilSetLastVirtError(error);

We need to return from the function if error is set.

Reviewed-by: Pavel Hrdina <phrdina@xxxxxxxxxx>

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