Re: [dbus PATCH 06/10] Implement NodeGetMemoryStats method for Connect Interface

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On Thu, Apr 26, 2018 at 04:54:13PM +0200, Katerina Koukiou wrote:
> Signed-off-by: Katerina Koukiou <kkoukiou@xxxxxxxxxx>
> ---
>  data/org.libvirt.Connect.xml |  7 +++++++
>  src/connect.c                | 42 ++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 49 insertions(+)
> 
> diff --git a/data/org.libvirt.Connect.xml b/data/org.libvirt.Connect.xml
> index 62a65ae..abb2dbc 100644
> --- a/data/org.libvirt.Connect.xml
> +++ b/data/org.libvirt.Connect.xml
> @@ -196,6 +196,13 @@
>        <arg name="flags" type="u" direction="in"/>
>        <arg name="memoryParameters" type="a{sv}" direction="out"/>
>      </method>
> +    <method name="NodeGetMemoryStats">
> +      <annotation name="org.gtk.GDBus.DocString"
> +        value="See https://libvirt.org/html/libvirt-libvirt-host.html#virNodeGetMemoryStats"/>
> +      <arg name="cellNum" type="i" direction="in"/>

I think we don't have to export this argument and instead always return
all stats, so we will call virNodeGetMemoryStats with
VIR_NODE_MEMORY_STATS_ALL_CELLS as cellNum.

> +      <arg name="flags" type="u" direction="in"/>
> +      <arg name="stats" type="a{st}" direction="out"/>
> +    </method>
>      <signal name="DomainEvent">
>        <annotation name="org.gtk.GDBus.DocString"
>          value="See https://libvirt.org/html/libvirt-libvirt-domain.html#virConnectDomainEventCallback"/>
> diff --git a/src/connect.c b/src/connect.c
> index 8a168f4..27355d3 100644
> --- a/src/connect.c
> +++ b/src/connect.c
> @@ -1003,6 +1003,47 @@ virtDBusConnectNodeGetMemoryParameters(GVariant *inArgs,
>      *outArgs = g_variant_new_tuple(&grecords, 1);
>  }
>  
> +static void
> +virtDBusConnectNodeGetMemoryStats(GVariant *inArgs,
> +                                  GUnixFDList *inFDs G_GNUC_UNUSED,
> +                                  const gchar *objectPath G_GNUC_UNUSED,
> +                                  gpointer userData,
> +                                  GVariant **outArgs,
> +                                  GUnixFDList **outFDs G_GNUC_UNUSED,
> +                                  GError **error)
> +{
> +    virtDBusConnect *connect = userData;
> +    g_autofree virNodeMemoryStatsPtr params = NULL;
> +    gint nparams = 0;
> +    gint cellNum;
> +    guint flags;
> +    gint ret;
> +    GVariantBuilder builder;
> +    GVariant *res;
> +
> +    g_variant_get(inArgs, "(iu)", &cellNum, &flags);
> +
> +    if (!virtDBusConnectOpen(connect, error))
> +        return;
> +
> +    ret = virNodeGetMemoryStats(connect->connection, cellNum, NULL,
> +                                &nparams, flags);

We should check the return value and set an error if the API fails.

Pavel

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