[maemo-developers] DBus Methods and Signals Introspection or Documentation

[From: Daniil Ivanov]

Hi Wei!

  CSD stands for cellular services daemon and name explains why API is closed.

Thanks, Daniil.

On Mon, Jun 7, 2010 at 12:15 PM, Wei Li <ttlee1984 at gmail.com> wrote:
> Thanks for all your help! As I mentioned, I am doing a middleware (for
> energy efficiency) project on N900, hence I need to get the device status
> information such as battery, WLan card, mce. I need to use DBus to
> communicate with other components in my work. So the refs on DBus methods
> and signals will be helpful. Some of such information (for example, the
> battery) can be queried from HAL which has a defined specification. But some
> are not. For example, under /com/nokia path, there are many objects like
> icd, wlancond and in Faheem's example, csd (don't even know what it is. I
> assumed circuit switch data?), which I couldn't find the docs for them. If
> anyone knows a general reference to all those objects, like what HAL
> specification does, it would be great.
>
> BTW, in dbus-send command, the --desti argument specifies the "service",
> meaning the interface? I always get lost with bus name (connection name) and
> interface.
>
> Thanks for all the help!
>
> Cheers,
> Wei
>
> On Mon, Jun 7, 2010 at 11:35 AM, Faheem Pervez <trippin1 at gmail.com> wrote:
>>
>> Hi,
>>
>> On Mon, Jun 7, 2010 at 12:15 AM, Wei Li <ttlee1984 at gmail.com> wrote:
>> > I am doing a project of middleware on Maemo/N900. I need to find the
>> > methods
>> > and signals related to the hardware, for example, HAL (especially the
>> > objects under /com/nokia since it is somehow proprietary). However, I
>> > couldn't find a detailed documentation on that. And I also used tools
>> > such
>> > as mdbus2, but since it lacks documentation and so does DBus itself, I
>> > couldn't figure out how to do the introspection to find the information
>> > I
>> > want. Anyone knows how to find that? Thanks!
>> >
>>
>> You'll get more information if you specify *what* interface you're
>> trying to figure out. The best way I found for me was looking, using
>> strings, in a library that calls a D-Bus method, finding the name of
>> that method call and working out its arguments by trial and error.
>>
>> Graham Cobb's
>> https://garage.maemo.org/plugins/wiki/index.php?Tools&id=1106&type=g
>> may also be of help.
>>
>> Best regards,
>> Faheem
>
>
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