Hello, On 8 May 2017 at 11:18, Luiz Augusto von Dentz <luiz.dentz@xxxxxxxxx> wrote: > Hi Barry, > > On Mon, May 8, 2017 at 11:51 AM, Barry Byford <31baz66@xxxxxxxxx> wrote: >> Hello Luiz & Travis, >> >> I've been taking a look at this also >> >> On 8 May 2017 at 09:01, Luiz Augusto von Dentz <luiz.dentz@xxxxxxxxx> wrote: >>> On Sat, May 6, 2017 at 1:28 AM, Travis Griggs <travisgriggs@xxxxxxxxx> wrote: >>>> $ sudo busctl get-property :1.5 /nic/twigpilot org.bluez.LEAdvertisement1 Type >>>> s “peripheral" >>>> >>>> So I *am* able to get the Type using busctl. Why is that bluetoothd cannot? Using busctl introspect, I see that the pydbus variant automagically makes a lot more available than the dubs-python variant did. >>>> >>>> Any hints? Pointers? Help? >>> >>> Does pydbus have ObjectManager support? >> >> Looking at the following entry in the libraries issue list it seems >> like it does. >> https://github.com/LEW21/pydbus/issues/28 >> Is there anything in particular we should be testing for? > > This is support for ObjectManager as a client, I was asking for the > server side so we can query the advertisement objects. Though this > used to work even without ObjectManager support so perhaps there is > some regression. Given the information below, this seems like it is the issue. Does this mean it is a bug in BlueZ? Or is this how it is intend to work going forward? > >> >>> What about GetAll properties? >> Yes it does. It creates these standard interfaces automatically based >> on the XML in the Python class doc string. So for example Get and >> GetAll give the following: >> >> >> $ busctl call ukBaz.bluezero /ukBaz/bluezero >> org.freedesktop.DBus.Properties Get ss org.bluez.LEAdvertisement1 Type >> >> v s "peripheral" >> >> $ busctl call ukBaz.bluezero /ukBaz/bluezero >> org.freedesktop.DBus.Properties GetAll s org.bluez.LEAdvertisement1 >> >> a{sv} 3 "Type" s "peripheral" "SolicitUUIDs" as 1 "180F" >> "IncludeTxPower" b false >> >> >>> You could perhaps try to sniff the message with eavesdrop option: >>> >>> https://wiki.ubuntu.com/DebuggingDBus This was a good suggestion. And you were correct about your suspicion that it was missing ObjectManager. method call time=1494270131.995970 sender=:1.13 -> destination=org.freedesktop.DBus serial=78 path=/org/freedesktop/DBus; interface=org.freedesktop.DBus; member=AddMatch string "type='signal',sender=':1.51',path='/ukBaz/bluezero',interface='org.freedesktop.DBus.Properties',member='PropertiesChanged',arg0='org.bluez.LEAdvertisement1'" method return time=1494270131.996002 sender=org.freedesktop.DBus -> destination=:1.13 serial=33 reply_serial=78 method call time=1494270131.996317 sender=:1.13 -> destination=:1.51 serial=79 path=/ukBaz/bluezero; interface=org.freedesktop.DBus.Properties; member=GetAll string "org.bluez.LEAdvertisement1" method call time=1494270131.996358 sender=:1.13 -> destination=:1.51 serial=80 path=/ukBaz/bluezero; interface=org.freedesktop.DBus.ObjectManager; member=GetManagedObjects error time=1494270131.997525 sender=:1.51 -> destination=:1.13 error_name=org.freedesktop.DBus.Error.UnknownMethod reply_serial=80 string "No such interface 'org.freedesktop.DBus.ObjectManager' on object at path /ukBaz/bluezero" I'll do some investigation as to how difficult it is to implement ObjectManager for this. >> >> Good suggestion. I'll try that later. >> >>> >>>> TIA >>>> >>>> —— >>>> >>>> #!/usr/bin/env python3 >>>> >>>> import pydbus >>>> from gi.repository import GLib >>>> >>>> class Advertisement(object): >>>> """ >>>> <node> >>>> <interface name="org.bluez.LEAdvertisement1"> >>>> <method name="Release"> >>>> <annotation name="org.freedesktop.DBus.Method.NoReply" value="true"/> >>>> </method> >>>> <annotation name="org.freedesktop.DBus.Properties.PropertiesChanged" value="const"/> >>>> <property name="Type" type="s" access="read"/> >>>> <property name="ServiceUUIDs" type="as" access="read"/> >>>> <property name="ManufacturerData" type="a{sv}" access="read"/> >>>> <property name="SolicitUUIDs" type="as" access="read"/> >>>> <property name="ServiceData" type="a{sv}" access="read"/> >>>> <property name="IncludeTxPower" type="b" access="read"/> >>>> </interface> >>>> </node> >>>> """ >>>> >>>> def __init__(self, bus): >>>> self.Type = 'peripheral' >>>> self.ServiceUUIDs = [] >>>> self.ManufacturerData = {} >>>> self.SolicitUUIDs = [] >>>> self.ServiceData = {} >>>> self.IncludeTxPower = False >>>> bus.register_object('/nic/twigpilot', self, None) >>>> >>>> def Release(self): >>>> print('{}: Advertisement Released!'.format(self)) >>>> >>>> >>>> def main(): >>>> bus = pydbus.SystemBus() >>>> adaptor = bus.get('org.bluez', '/org/bluez/hci0') >>>> adaptor.Powered = True >>>> adaptor.Alias = 'SeeMe' >>>> >>>> advertisement = Advertisement(bus) >>>> advertisement.IncludeTxPower = True >>>> >>>> #adaptor.RegisterAdvertisement('/nic/twigpilot', {}) >>>> >>>> loop = GLib.MainLoop() >>>> try: >>>> loop.run() >>>> except KeyboardInterrupt: >>>> loop.quit() >>>> >>>> if __name__ == '__main__': >>>> main()-- >>>> 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 >>> >>> >>> >>> -- >>> Luiz Augusto von Dentz >>> -- >>> 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 > > > > -- > Luiz Augusto von Dentz -- 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
