[libvirt] [dbus PATCH v2 5/9] Implement NodeGetMemoryStats method for Connect Interface
Pavel Hrdina
phrdina at redhat.com
Thu May 3 13:13:21 UTC 2018
On Wed, May 02, 2018 at 12:34:42PM +0200, Katerina Koukiou wrote:
> Signed-off-by: Katerina Koukiou <kkoukiou at redhat.com>
> ---
> data/org.libvirt.Connect.xml | 6 ++++++
> src/connect.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 50 insertions(+)
>
> diff --git a/data/org.libvirt.Connect.xml b/data/org.libvirt.Connect.xml
> index c62d107..4a1ee4a 100644
> --- a/data/org.libvirt.Connect.xml
> +++ b/data/org.libvirt.Connect.xml
> @@ -189,6 +189,12 @@
> <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="flags" type="u" direction="in"/>
> + <arg name="stats" type="a{st}" direction="out"/>
> + </method>
In the review of v1 I've stated that we should drop the cellNum
argument, that was wrong. I thought that this API will report stats for
all numa nodes, but that's not true. This is similar to the
NodeGetCPUStats API so it should be same. Sorry about that.
> <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 f2c6d45..0ecb333 100644
> --- a/src/connect.c
> +++ b/src/connect.c
> @@ -966,6 +966,49 @@ 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 = VIR_NODE_MEMORY_STATS_ALL_CELLS;
> + guint flags;
> + gint ret;
> + GVariantBuilder builder;
> + GVariant *res;
> +
> + g_variant_get(inArgs, "(u)", &flags);
> +
> + if (!virtDBusConnectOpen(connect, error))
> + return;
> +
> + ret = virNodeGetMemoryStats(connect->connection, cellNum, NULL,
> + &nparams, flags);
> + if (ret < 0)
> + return virtDBusUtilSetLastVirtError(error);
I would put an empty line here.
> + if (nparams != 0) {
> + params = g_new0(virNodeMemoryStats, nparams);
> + if (virNodeGetMemoryStats(connect->connection, cellNum, params,
> + &nparams, flags) < 0) {
> + return virtDBusUtilSetLastVirtError(error);
> + }
> + }
Reviewed-by: Pavel Hrdina <phrdina at redhat.com>
to the v1 patch with the error check fix as it was pointed out for the
v1 patch.
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