Re: [dbus PATCH 10/15] Implement GetIOThreadInfo method for Domain Interface

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On Wed, Apr 25, 2018 at 12:20:25PM +0200, Katerina Koukiou wrote:
> Signed-off-by: Katerina Koukiou <kkoukiou@xxxxxxxxxx>
> ---
>  data/org.libvirt.Domain.xml |  6 +++++
>  src/domain.c                | 64 +++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 70 insertions(+)
> 
> diff --git a/data/org.libvirt.Domain.xml b/data/org.libvirt.Domain.xml
> index 84ef3bf..bda63f4 100644
> --- a/data/org.libvirt.Domain.xml
> +++ b/data/org.libvirt.Domain.xml
> @@ -222,6 +222,12 @@
>        <arg name="flags" type="u" direction="in"/>
>        <arg name="interfaceParameters" type="a{sv}" direction="out"/>
>      </method>
> +    <method name="GetIOThreadInfo">
> +      <annotation name="org.gtk.GDBus.DocString"
> +        value="See https://libvirt.org/html/libvirt-libvirt-domain.html#virDomainGetIOThreadInfo"/>
> +      <arg name="flags" type="u" direction="in"/>
> +      <arg name="ioThreadInfo" type="a(uay)" direction="out"/>

This returns cpumap for the iothread and we've decided that cpumap
should be represented as an array of boolean.

> +    </method>
>      <method name="GetJobInfo">
>        <annotation name="org.gtk.GDBus.DocString"
>          value="See https://libvirt.org/html/libvirt-libvirt-domain.html#virDomainGetJobInfo"/>
> diff --git a/src/domain.c b/src/domain.c
> index 3c1fec7..f611fbf 100644
> --- a/src/domain.c
> +++ b/src/domain.c
> @@ -85,6 +85,25 @@ virtDBusDomainFSInfoListFree(virtDBusDomainFSInfoList *info)
>  G_DEFINE_AUTO_CLEANUP_CLEAR_FUNC(virtDBusDomainFSInfoList,
>                                   virtDBusDomainFSInfoListFree);
>  
> +struct _virtDBusDomainIOThreadInfoList {
> +    virDomainIOThreadInfoPtr *info;
> +    gint count;
> +};
> +
> +typedef struct _virtDBusDomainIOThreadInfoList virtDBusDomainIOThreadInfoList;
> +
> +static void
> +virtDBusDomainIOThreadInfoListFree(virtDBusDomainIOThreadInfoList *info)

virtDBusDomainIOThreadInfoListClear instead

> +{
> +    for (gint i = 0; i < info->count; i++)
> +        virDomainIOThreadInfoFree(info->info[i]);
> +
> +    g_free(info->info);
> +}
> +
> +G_DEFINE_AUTO_CLEANUP_CLEAR_FUNC(virtDBusDomainIOThreadInfoList,
> +                                 virtDBusDomainIOThreadInfoListFree);
> +
>  static GVariant *
>  virtDBusDomainMemoryStatsToGVariant(virDomainMemoryStatPtr stats,
>                                      gint nr_stats)
> @@ -1219,6 +1238,50 @@ virtDBusDomainGetInterfaceParameters(GVariant *inArgs,
>      *outArgs = g_variant_new_tuple(&grecords, 1);
>  }
>  
> +static void
> +virtDBusDomainGetIOThreadInfo(GVariant *inArgs G_GNUC_UNUSED,

inArgs is used

> +                              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;
> +    g_auto(virtDBusDomainIOThreadInfoList) info = { 0 };
> +    GVariantBuilder builder;
> +    guint flags;
> +    GVariant *gret;
> +
> +    g_variant_get(inArgs, "(u)", &flags);
> +
> +    domain = virtDBusDomainGetVirDomain(connect, objectPath, error);
> +    if (!domain)
> +        return;
> +
> +    info.count = virDomainGetIOThreadInfo(domain, &info.info, flags);
> +    if (info.count < 0)
> +        return virtDBusUtilSetLastVirtError(error);
> +
> +    g_variant_builder_init(&builder, G_VARIANT_TYPE("a(uay)"));
> +
> +    for (gint i = 0; i < info.count; i++) {
> +        g_variant_builder_open(&builder, G_VARIANT_TYPE("(uay)"));
> +        g_variant_builder_add(&builder, "u", info.info[i]->iothread_id);
> +
> +        g_variant_builder_open(&builder, G_VARIANT_TYPE("ay"));
> +        for (gint j = 0; j < info.info[i]->cpumaplen; j++) {
> +            g_variant_builder_add(&builder, "y", info.info[i]->cpumap[j]);
> +            g_variant_builder_close(&builder);

g_variant_builder_close() needs to be outside of the for loop

> +        }
> +        g_variant_builder_close(&builder);
> +    }
> +    gret = g_variant_builder_end(&builder);
> +
> +    *outArgs = g_variant_new_tuple(&gret, 1);
> +}
> +
>  static void
>  virtDBusDomainGetJobInfo(GVariant *inArgs G_GNUC_UNUSED,
>                           GUnixFDList *inFDs G_GNUC_UNUSED,
> @@ -2302,6 +2365,7 @@ static virtDBusGDBusMethodTable virtDBusDomainMethodTable[] = {
>      { "GetGuestVcpus", virtDBusDomainGetGuestVcpus },
>      { "GetHostname", virtDBusDomainGetHostname },
>      { "GetInterfaceParameters", virtDBusDomainGetInterfaceParameters },
> +    { "GetIOThreadInfo", virtDBusDomainGetIOThreadInfo },
>      { "GetJobInfo", virtDBusDomainGetJobInfo },
>      { "GetMemoryParameters", virtDBusDomainGetMemoryParameters },
>      { "GetSchedulerParameters", virtDBusDomainGetSchedulerParameters },
> -- 
> 2.15.0
> 
> --
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> libvir-list@xxxxxxxxxx
> https://www.redhat.com/mailman/listinfo/libvir-list

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