System and Session Bus

[Milosz Derezynski]

On 3/20/06, Oliver Frommel <ofrommel at linuxnewmedia.de> wrote:



Not the text editor maybe, but:
> - most sound software (USB audio and midi devices)
> - software for digital cameras
> - video editing software (IEEE1394)
>
> In these cases I would connect the application to the system bus
> and register them for events of the appropriate devices of the
> Hal service. Additionally I would have to connect to the
> session bus to make the applications scriptable or exchange
> data with cooperating applications.


Yes but there exists libhal which is a library that abstracts out
communication with hal trough DBus for the API user, so there is no need to
connect to the session bus by yourself; instead you can make use of libhal,
and don't need to deal with DBus directly at all there. There is also
libhal-storage, which is a separate library with an even simpler interface
since storage handling is a very common use case when using HAL.
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