Re: [dbus-cplusplus-devel] dispatcher timeout

[Jason G. <jgl...@go...>]

To answer your questions, yes we do use glib, and link against it.

If you want to be event loop agnostic and avoid glib that is a different
story.

-Jason


On Mon, Dec 6, 2010 at 2:59 PM, Jason Glasgow <jgl...@go...> wrote:

> see main() for how we attach the dbus-c++ dispatcher to the glib main loop.
>
>
> http://git.chromium.org/gitweb/?p=cashew.git;a=blob;f=src/main.cc;h=d7f64fe5f37b99e91d7eb2ef9e4566f01833e521;hb=HEAD#l102
>
> -Jason
>
> On Mon, Dec 6, 2010 at 1:04 PM, Theodore A. Roth <ta...@gm...> wrote:
>
>> On Mon, Dec 6, 2010 at 7:31 AM, Jason Glasgow <jgl...@go...>
>> wrote:
>> > You might try using g_timeout_add_seconds.  We have used it with
>> dbus-c++.
>> >
>> http://git.chromium.org/gitweb/?p=cashew.git;a=blob;f=src/device.cc;h=b5ac6f5103d8a1c05e82b0f6633d7bd6b965b6a0;hb=HEAD
>> > -Jason
>>
>> Jason,
>>
>> Right. That's exactly what I want to do, but doesn't using
>> g_timeout_add_seconds() imply that you are using the glib event loop
>> and thus have to link to glib?
>>
>> I need to integrate my dispatcher with our own event loops so need to
>> be event loop agnostic and we want to avoid using glib if possible.
>>
>> I was under the (most likely mistaken) impression the the generic
>> dispatcher provided its own event loop which got started when you
>> invoke dispatcher.enter(). Sounds like I need to do some more homework
>> into how the dispatcher works. ;-)
>>
>> I have written some simple python apps that use the glib event loop to
>> send a heartbeat signal and  I was hoping to achieve the same thing
>> using the default dispatcher.
>>
>> Ted Roth
>>
>> >
>> > On Sun, Dec 5, 2010 at 4:58 PM, Andreas Volz <li...@br...>
>> wrote:
>> >>
>> >> Am Fri, 3 Dec 2010 16:23:08 -0700 schrieb Theodore A. Roth:
>> >>
>> >> > I've been trying to figure out how to register a timeout callback
>> with
>> >> > the dispatcher so that my callback function will be invoked
>> >> > periodically by the dispatcher main loop. The
>> >> > BusDispatcher::add_timeout() method seems to take an internal timeout
>> >> > object as an argument which leads me to believe that I can't use
>> that.
>> >> >
>> >> > I'm still in the learning dbus-c++ phase and my app is a rather
>> simple
>> >> > server based on the echo demo, but I've stripped it down to only a
>> >> > Hello method and a single signal. My goal is to invoked the signal in
>> >> > the timeout.
>> >> >
>> >> > None of the examples in the source repo show how to do what I what,
>> >> > and google hasn't been too helpful. If someone has a link to an
>> >> > example of this, I would be most appreciative.
>> >>
>> >> Hello Ted,
>> >>
>> >> yes, BusDispatcher::add_timeout() is for another reason. To be honest I
>> >> never needed such an feature. Are you sure the C backend of DBus
>> >> provides such a feature? Could you name a function?
>> >>
>> >> I would solve this by writing an interface to a DBus service that
>> >> provides you with configurable callbacks. :-)
>> >>
>> >> regards
>> >>        Andreas
>> >>
>> >>
>> >>
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