Re: [dbus PATCH v4 5/5] Merge all Domain lifecycle signals into one signal called Domain.

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On Tue, Apr 03, 2018 at 10:30:00AM +0200, Katerina Koukiou wrote:
> Instead of having multiple signals regarding to domain events,
> like DomainStarted, DomainUndefined etc, we will have only one
> called DomainEvents, and the specific event type will be specified in
> the signals arguments.
> 
> The domain name argument in not needed in the signal since we can
> fetch it from path.
> 
> The tests are adjusted to call correctly connect_to_signal method
> on the new signal.
> 
> Signed-off-by: Katerina Koukiou <kkoukiou@xxxxxxxxxx>
> ---
>  data/org.libvirt.Connect.xml | 54 +++-----------------------------------------
>  src/events.c                 | 24 +++++++++-----------
>  test/test_connect.py         | 10 ++++----
>  test/test_domain.py          | 20 +++++++---------
>  4 files changed, 26 insertions(+), 82 deletions(-)
> 
> diff --git a/data/org.libvirt.Connect.xml b/data/org.libvirt.Connect.xml
> index f24dff4..1695100 100644
> --- a/data/org.libvirt.Connect.xml
> +++ b/data/org.libvirt.Connect.xml
> @@ -44,59 +44,11 @@
>        <arg name="uuid" type="s" direction="in"/>
>        <arg name="domain" type="o" direction="out"/>
>      </method>
> -    <signal name="DomainCrashed">
> +    <signal name="DomainEvent">
>        <annotation name="org.gtk.GDBus.DocString"
> -        value="See https://libvirt.org/html/libvirt-libvirt-domain.html#VIR_DOMAIN_EVENT_CRASHED"/>
> -      <arg name="reason" type="s"/>
> -      <arg name="domain" type="o"/>
> -    </signal>
> -    <signal name="DomainDefined">
> -      <annotation name="org.gtk.GDBus.DocString"
> -        value="See https://libvirt.org/html/libvirt-libvirt-domain.html#VIR_DOMAIN_EVENT_DEFINED"/>
> -      <arg name="reason" type="s"/>
> -      <arg name="domain" type="o"/>
> -    </signal>
> -    <signal name="DomainPMSuspended">
> -      <annotation name="org.gtk.GDBus.DocString"
> -        value="See https://libvirt.org/html/libvirt-libvirt-domain.html#VIR_DOMAIN_EVENT_SUSPENDED"/>
> -      <arg name="reason" type="s"/>
> -      <arg name="domain" type="o"/>
> -    </signal>
> -    <signal name="DomainResumed">
> -      <annotation name="org.gtk.GDBus.DocString"
> -        value="See https://libvirt.org/html/libvirt-libvirt-domain.html#VIR_DOMAIN_EVENT_RESUMED"/>
> -      <arg name="reason" type="s"/>
> -      <arg name="domain" type="o"/>
> -    </signal>
> -    <signal name="DomainShutdown">
> -      <annotation name="org.gtk.GDBus.DocString"
> -        value="See https://libvirt.org/html/libvirt-libvirt-domain.html#VIR_DOMAIN_EVENT_SHUTDOWN"/>
> -      <arg name="reason" type="s"/>
> -      <arg name="domain" type="o"/>
> -    </signal>
> -    <signal name="DomainStarted">
> -      <annotation name="org.gtk.GDBus.DocString"
> -        value="See https://libvirt.org/html/libvirt-libvirt-domain.html#VIR_DOMAIN_EVENT_STARTED"/>
> -      <arg name="reason" type="s"/>
> -      <arg name="domain" type="o"/>
> -    </signal>
> -    <signal name="DomainStopped">
> -      <annotation name="org.gtk.GDBus.DocString"
> -        value="See https://libvirt.org/html/libvirt-libvirt-domain.html#VIR_DOMAIN_EVENT_STOPPED"/>
> -      <arg name="reason" type="s"/>
> -      <arg name="domain" type="o"/>
> -    </signal>
> -    <signal name="DomainSuspended">
> -      <annotation name="org.gtk.GDBus.DocString"
> -        value="See https://libvirt.org/html/libvirt-libvirt-domain.html#VIR_DOMAIN_EVENT_SUSPENDED"/>
> -      <arg name="reason" type="s"/>
> -      <arg name="domain" type="o"/>
> -    </signal>
> -    <signal name="DomainUndefined">
> -      <annotation name="org.gtk.GDBus.DocString"
> -        value="See https://libvirt.org/html/libvirt-libvirt-domain.html#VIR_DOMAIN_EVENT_UNDEFINED"/>
> -      <arg name="reason" type="s"/>
> +        value="See https://libvirt.org/html/libvirt-libvirt-domain.html#virConnectDomainEventCallback"/>
>        <arg name="domain" type="o"/>
> +      <arg name="event" type="s"/>
>      </signal>
>    </interface>
>  </node>
> diff --git a/src/events.c b/src/events.c
> index 1877115..9229063 100644
> --- a/src/events.c
> +++ b/src/events.c
> @@ -7,15 +7,15 @@
>  VIRT_DBUS_ENUM_DECL(virtDBusEventsDomainEvent)
>  VIRT_DBUS_ENUM_IMPL(virtDBusEventsDomainEvent,
>                      VIR_DOMAIN_EVENT_LAST,
> -                    "DomainDefined",
> -                    "DomainUndefined",
> -                    "DomainStarted",
> -                    "DomainSuspended",
> -                    "DomainResumed",
> -                    "DomainStopped",
> -                    "DomainShutdown",
> -                    "DomainPMSuspended",
> -                    "DomainCrashed")
> +                    "Defined",
> +                    "Undefined",
> +                    "Started",
> +                    "Suspended",
> +                    "Resumed",
> +                    "Stopped",
> +                    "Shutdown",
> +                    "PMSuspended",
> +                    "Crashed")
>  
>  static const gchar *
>  virtDBusEventsDomainEventToString(gint event)
> @@ -32,18 +32,16 @@ virtDBusEventsDomainLifecycle(virConnectPtr connection G_GNUC_UNUSED,
>                                gpointer opaque)
>  {
>      virtDBusConnect *connect = opaque;
> -    const gchar *name;
>      g_autofree gchar *path = NULL;
>  
> -    name = virDomainGetName(domain);
>      path = virtDBusUtilBusPathForVirDomain(domain, connect->domainPath);
>  
>      g_dbus_connection_emit_signal(connect->bus,
>                                    NULL,
>                                    connect->connectPath,
>                                    VIRT_DBUS_CONNECT_INTERFACE,
> -                                  virtDBusEventsDomainEventToString(event),
> -                                  g_variant_new("(so)", name, path),
> +                                  "DomainEvent",
> +                                  g_variant_new("(os)", path, virtDBusEventsDomainEventToString(event)),

This line is too long, but the change in the previous patch will
introduce temporary variable which will fix the long line.

Pavel

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