Re: [PATCH BlueZ 1/5] gdbus: Add skeleton of DBus.Properties interface

[Marcel Holtmann <marcel@holtmann.org>]

Hi Lucas,

> >> This interface is responsible for handling properties of all objects in
> >> a given path. Right now it only registers itself, doing nothing useful.
> >> A conversion to this new layout will be done by subsequent patches.
> >>
> >> org.freedesktop.org.DBus.Properties spec can be found at
> >> http://dbus.freedesktop.org/doc/dbus-specification.html#standard-interfaces-properties
> >> ---
> >>  gdbus/object.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
> >>  1 file changed, 48 insertions(+)
> >>
> >> diff --git a/gdbus/object.c b/gdbus/object.c
> >> index 900e7ab..72f77d4 100644
> >> --- a/gdbus/object.c
> >> +++ b/gdbus/object.c
> >> @@ -491,6 +491,50 @@ static const GDBusMethodTable introspect_methods[] = {
> >>       { }
> >>  };
> >>
> >> +static DBusMessage *properties_get(DBusConnection *connection,
> >> +                                     DBusMessage *message, void *user_data)
> >> +{
> >> +     return NULL;
> >> +}
> >> +
> >> +static DBusMessage *properties_get_all(DBusConnection *connection,
> >> +                                     DBusMessage *message, void *user_data)
> >> +{
> >> +     return NULL;
> >> +}
> >> +
> >> +static DBusMessage *properties_set(DBusConnection *connection,
> >> +                                     DBusMessage *message, void *user_data)
> >> +{
> >> +     return NULL;
> >> +}
> >> +
> >> +static const GDBusMethodTable properties_methods[] = {
> >> +     { GDBUS_METHOD("Get",
> >> +                     GDBUS_ARGS({ "interface_name", "s" },
> >> +                                             { "property_name", "s" }),
> >
> > this should be "interface" and "name". Why are we so verbose here?
> 
> I put the same name as in spec:
> http://dbus.freedesktop.org/doc/dbus-specification.html#standard-interfaces-properties
> 
> >
> >> +                     GDBUS_ARGS({ "value", "v" }),
> >> +                     properties_get) },
> >> +     { GDBUS_METHOD("Set", NULL,
> >> +                     GDBUS_ARGS({ "interface_name", "s" },
> >> +                                     { "property_name", "s" },
> >> +                                     { "value", "v" }),
> >> +                     properties_set) },
> >> +     { GDBUS_METHOD("GetAll",
> >> +                     GDBUS_ARGS({ "interface_name", "s" }),
> >> +                     GDBUS_ARGS({ "props", "a{sv}" }),
> >
> > And this should be "properties". Here you are trying to be super short.
> 
> same here.
> 
> 
> should I change or let as is?

it is inconsistent at least. On one method you use props on the other it
is *_properties. No matter what the specification says, that is just
stupid. And the _name suffix is useless in this context. So yes, please
just change it.

Regards

Marcel
h