Il giorno mer 22 mag 2019 alle ore 18:14 Germano Massullo
<germano.massu...@gmail.com> ha scritto:
>
> Hello, I am writing to you to propose the following reasoning, hoping
> that it can help making easier (just a bit) third parties development
> work on Linux.
> I am currently developing BOINC client user idle time detection on
> Linux systems (both graphical or tty sessions)
> After some studies I started writing a little piece of code that that
> is able to print on standard output the user idle time by retrieving
> it from systemd-logind IdleSinceHint property (that is exposed on
> DBus). By the way I found out that this value was always 0 [1], so I
> asked why [2]. I have been told that logind relies on the desktop
> environment to pass this information.
> Many d.e. expose user idle time to their own DBus path, (i.e.
> org.gnome.Mutter.IdleMonitor), so I will be forced to write code that
> depends on the specific desktop environment. Since:
> 1) systemd-logind is just ready for exposing user idle time;
> 2) for a developer writing code for Linux it would be much easier to
> retrieve user idle time from a unique place rather than having to deal
> with all various desktop environments;
> I would like to ask you what do you think about passing the user idle
> time to logind [3] [4] ?
>
> Best regards
>
> [1]: you can try with system console command
> $ sleep 2 && gdbus introspect --system --dest org.freedesktop.login1
> --object-path /org/freedesktop/login1 | grep IdleSinceHint
> [2]: https://lists.freedesktop.org/archives/systemd-devel/2019-May/042726.html
> [3]:
> https://www.freedesktop.org/wiki/Software/systemd/writing-desktop-environments/
> [4]:
> https://www.freedesktop.org/wiki/Software/systemd/writing-display-managers/
I just hope, in the eventuality of new code in LXDE/LXQt that takes in
account of this, that the case in which there's no systemd-logind on a
{,non-}Linux system is considered as a possibility too :-)
thanks in advance!
Matteo
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