[libvirt] [dbus PATCH 1/8] Implement Capabilities property for connect Interface

Pavel Hrdina phrdina at redhat.com
Mon Apr 9 12:25:04 UTC 2018


On Mon, Apr 09, 2018 at 01:47:32PM +0200, Katerina Koukiou wrote:
> Signed-off-by: Katerina Koukiou <kkoukiou at redhat.com>
> ---
>  data/org.libvirt.Connect.xml |  4 ++++
>  src/connect.c                | 20 ++++++++++++++++++++
>  test/test_connect.py         |  1 +
>  3 files changed, 25 insertions(+)

Adding Dan to CC because I'm not that familiar with D-Bus conventions.
This API can be exported as property, however it returns rather large
string and not a simple value so I'm not sure whether method would be
better in this case.

Pavel

> 
> diff --git a/data/org.libvirt.Connect.xml b/data/org.libvirt.Connect.xml
> index e36b7f6..caf0a47 100644
> --- a/data/org.libvirt.Connect.xml
> +++ b/data/org.libvirt.Connect.xml
> @@ -3,6 +3,10 @@
>  
>  <node name="/org/libvirt/connect">
>    <interface name="org.libvirt.Connect">
> +    <property name="Capabilities" type="s" access="read">
> +      <annotation name="org.gtk.GDBus.DocString"
> +        value="See https://libvirt.org/html/libvirt-libvirt-host.html#virConnectGetCapabilities"/>
> +    </property>
>      <property name="Version" type="t" access="read">
>        <annotation name="org.gtk.GDBus.DocString"
>          value="See https://libvirt.org/html/libvirt-libvirt-host.html#virConnectGetVersion"/>
> diff --git a/src/connect.c b/src/connect.c
> index ce9055a..af61cc8 100644
> --- a/src/connect.c
> +++ b/src/connect.c
> @@ -91,6 +91,25 @@ virtDBusConnectOpen(virtDBusConnect *connect,
>      return TRUE;
>  }
>  
> +static void
> +virtDBusConnectGetCapabilities(const gchar *objectPath G_GNUC_UNUSED,
> +                               gpointer userData,
> +                               GVariant **value,
> +                               GError **error)
> +{
> +    virtDBusConnect *connect = userData;
> +    g_autofree gchar *capabilities = NULL;
> +
> +    if (!virtDBusConnectOpen(connect, error))
> +        return;
> +
> +    capabilities = virConnectGetCapabilities(connect->connection);
> +    if (!capabilities)
> +        return virtDBusUtilSetLastVirtError(error);
> +
> +    *value = g_variant_new("s", capabilities);
> +}
> +
>  static void
>  virtDBusConnectGetVersion(const gchar *objectPath G_GNUC_UNUSED,
>                            gpointer userData,
> @@ -443,6 +462,7 @@ virtDBusNetworkLookupByUUID(GVariant *inArgs,
>  }
>  
>  static virtDBusGDBusPropertyTable virtDBusConnectPropertyTable[] = {
> +    { "Capabilities", virtDBusConnectGetCapabilities, NULL },
>      { "Version", virtDBusConnectGetVersion, NULL },
>      { 0 }
>  };
> diff --git a/test/test_connect.py b/test/test_connect.py
> index c411eeb..d7c1e20 100755
> --- a/test/test_connect.py
> +++ b/test/test_connect.py
> @@ -81,6 +81,7 @@ class TestConnect(libvirttest.BaseTestClass):
>          assert original_path == path
>  
>      @pytest.mark.parametrize("property_name,expected_type", [
> +        ("Capabilities", dbus.String),
>          ("Version", dbus.UInt64),
>      ])
>      def test_connect_properties_return_type(self, property_name, expected_type):
> -- 
> 2.15.0
> 
> --
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