Hi Travis, On Sat, May 6, 2017 at 1:28 AM, Travis Griggs <travisgriggs@xxxxxxxxx> wrote: > I’m trying to switch to using pydbus (instead of deprecated dbus-python, which the bluez examples are based on). I’m running on stretch with bluez 5.43. My code is at the bottom (and here -> https://gist.github.com/travisgriggs/d8e14dcccf46751804456dc74da1e5e6). I’m running into a problem when I try to RegisterAdvertisement. What I can’t seem to discern is what is different between this and the old approach. The bluetooth driver fails around advertising:c:175 > > DBusMessageIter iter; > const char *msg_type; > > if (!g_dbus_proxy_get_property(proxy, "Type", &iter)) > return false; > > The g_dbus_proxy_get_property() call fails. What I don’t understand though is this. If I modify my program to NOT RegisterAdvertisement(), but just sit there with the advertisement object on the bus, I can do the following: > > $ 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? What about GetAll properties? You could perhaps try to sniff the message with eavesdrop option: https://wiki.ubuntu.com/DebuggingDBus > 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
