Hi Luiz, > >> > On Tue, Mar 6, 2012 at 8:07 AM, Luiz Augusto von Dentz > >> > <luiz.dentz@xxxxxxxxx> wrote: > >> >> From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx> > >> >> > >> >> This enables applications to be able to detect when an interface is > >> >> enabled/disabled without depending on UUIDs. > >> >> --- > >> >> doc/device-api.txt | 4 ++++ > >> >> src/device.c | 27 ++++++++++++++++++++++----- > >> >> 2 files changed, 26 insertions(+), 5 deletions(-) > >> > > >> > I thought it was possible to achieve this by using D-Bus listeners? > >> > E.g. similar to g_dbus_add_service_watch() > >> > >> Afaik there is no such thing as introspection data changed or anything > >> like that, we could in theory have local listeners, but at least in > >> BlueZ there is no much use for them since it is not really dynamic > >> after drivers are loaded, but perhaps for oFono and others it could be > >> useful to have some way to watch when interfaces changes. > >> > >> In case of oFono it does that by having e.g. > >> ofono_modem_add_interface/ofono_modem_remove_interface. > >> > >> > What happens when the interface is unregistered with > >> > g_dbus_unregister_interface() ? > >> > >> This should only be the case when removing the object so the driver > >> .remove is called which then calls g_dbus_unregister_interface. > > > > I was not planning to add this to our gdbus code and focus on getting > > this right for ELL. However look into the D-Bus ObjectManager > > specification since that is what you want actually. > > So the way forward is to implement ObjectManager? We could have that > without breaking any API, but I guess it would make sense to change > API such as the manager to take advantage of the ObjectManager. have a look at ObjectManager and how much it takes for us to use it. I know that the properties will be a bit of problem, but maybe still worth it to start supporting it. > Btw what is ELL? http://git.kernel.org/?p=libs/ell/ell.git Regards Marcel -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
