RE: Issue with registering GATT Services

[Ankur Patel <ankur@xxxxxxxxxxxx>]

> > Hi Ankur,
> >
> > On Wed, May 13, 2015 at 12:39 PM, Ankur Patel <ankur@xxxxxxxxxxxx>
> > wrote:
> > > Hi Folks,
> > >
> > > I am having issues with registering GATT services successfully on
> > > the
> > device.
> > > Using: Linux Kernel: 3.18.12 Bluez: 5.30
> > >
> > > Step1> Build Bluez5.30 with --enable-experimental and --enable-
> > maintainer-mode.
> > > Step2> Ran Bluetoothd with -E option as below:
> > > root@imx28evk:~ # /usr/lib/bluez5/bluetooth/bluetoothd -d -n -E &
> > > Output:
> > >         http://pastebin.com/eALijggh
> > > Snippet:
> > > ...
> > > bluetoothd[462]: src/gatt-database.c:gatt_db_service_added() GATT
> > > Service added to local database
> > > bluetoothd[462]: src/advertising.c:btd_advertising_manager_new() LE
> > > Advertising Manager created for adapter: /org/bluez/hci0
> > > bluetoothd[462]: profiles/audio/a2dp.c:media_server_probe() path
> > > /org/bluez/hci0
> > > bluetoothd[462]: plugins/hostname.c:hostname_probe()
> > > bluetoothd[462]: Not enough free handles to register service
> > > bluetoothd[462]: plugins/gatt-example.c:gatt_example_adapter_probe()
> > Battery service could not be registered
> > > bluetoothd[462]: gatt-example-adapter-driver: Input/output error (5)
> //
> > Not sure if this restricts GATT Service to be registered
> > > ...
> > > bluetoothd[462]: src/adapter.c:new_settings_callback() Settings:
> > > 0x000026f0
> > > bluetoothd[462]: src/adapter.c:settings_changed() Changed settings:
> > > 0x0000000a
> > >
> > > Step3> Ran gatt-service:
> > > root@imx28evk:~/tools# ./gatt-service gatt-service unique name: :1.4
> > > Registered service: /service1 Get UUID:
> > > 00001802-0000-1000-8000-00805f9b34fb
> > > Exist Includes: 00001802-0000-1000-8000-00805f9b34fb
> > > Characteristic(00002a06-0000-1000-8000-00805f9b34fb): Get("Value")
> > > Descriptor(8260c653-1a54-426b-9e36-e84c238bc669): Get("Value")
> > > RegisterService: Method "RegisterService" with signature "oa{sv}" on
> > > interface "org.bluez.GattManager1" doesn't exist
> > >
> > > I am using the Dbus config from
> > http://git.kernel.org/cgit/bluetooth/bluez.git/tree/src/bluetooth.conf.
> > >
> > > Any idea why it fails to register the service? Do I need to enable
> > > other
> > features or if there is any missing steps?
> >
> > It should work if you have -E, but perhaps something else is not the
> > correct, like the path, etc. Btw, we do have an example here:
> >
> > https://git.kernel.org/cgit/bluetooth/bluez.git/tree/test/example-gatt
> > -
> > server
> >
> Thank you for highlighting. I ran it and it worked good. It able to register the
> services successfully.  But when I ran the example-gatt-client, it went into
> below error:
> 
> Example-gatt-server output at: http://pastebin.com/vphgs92x
> 
> root@imx28evk:~/tools# python example-gatt-client
> /org/bluez/example/service0 Method "GetAll" with signature "s" on
> interface "org.freedesktop.DBus.Properties" doesn't exist
> 
> Is the path provided is correct? I have a doubt.  End output is I want to
> register primary/secondary services.


Sorry Luiz, I went into the wrong loop. After going through the code it makes me clear. The services can be registered successfully on the device after running example-gatt-server. 
I have verified it as below running bluetoothctl:
[bluetooth]# show
Controller 1C:BA:8C:86:81:21
        Name: test-bt
        Alias: test-bt
        Class: 0x400000
        Powered: yes
        Discoverable: no
        Pairable: yes
        UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
        UUID: A/V Remote Control        (0000110e-0000-1000-8000-00805f9b34fb)
        UUID: SIM Access                (0000112d-0000-1000-8000-00805f9b34fb)
        UUID: Generic Access Profile    (00001800-0000-1000-8000-00805f9b34fb)
        UUID: PnP Information           (00001200-0000-1000-8000-00805f9b34fb)
        UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
        UUID: Heart Rate                (0000180d-0000-1000-8000-00805f9b34fb)
        UUID: Vendor specific           (12345678-1234-5678-1234-56789abcdef0)
        Modalias: usb:v1D6Bp0246d051E
        Discovering: no

Thanks for support.
Ankur
> 
> Thank you,
> Ankur.
> > --
> > Luiz Augusto von Dentz
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