[SailfishDevel] monitor systemd unit from qml

Andrey Kozhevnikov coderusinbox at gmail.com
Wed Jan 27 16:22:55 UTC 2016


your own service?

------ Исходное сообщение ------
От: "Michael Fuchs" <michfu at gmx.at>
Кому: "Sailfish OS Developers" <devel at lists.sailfishos.org>
Отправлено: 27.01.2016 22:23:33
Тема: Re: [SailfishDevel] monitor systemd unit from qml

>I would just like to know about the state of the service. Is it running 
>or not?
>My app has a start/stop button for the service, which already works. 
>But it would be nice to know about the state of the service, when the 
>app is starting up.
>
>Am 27.01.2016 um 17:19 schrieb r0kk3rz:
>>For what purpose? systemd takes care of monitoring services for you.
>>
>>You can however define various actions which you can hook into on
>>service start/stop/fail .etc
>>http://www.freedesktop.org/software/systemd/man/systemd.service.html
>>
>>
>>On Wed, Jan 27, 2016 at 4:03 PM, Michael Fuchs <michfu at gmx.at
>><mailto:michfu at gmx.at>> wrote:
>>
>>     Hi,
>>
>>     I would need some help, please.
>>
>>     I'm trying to monitor a systemd service unit via dbus from qml.
>>
>>     There is a signal "PropertiesChanged" defined but it doesn't get
>>     emitted, when I start or stop the service.
>>
>>     Code:
>>     https://gist.github.com/fuchsmich/354af082fbc4577a4bf5
>>
>>     The GetAll method works and it returns the needed property
>>     org.freedesktop.systemd1.Unit.ActiveState.
>>     So how can I listen to the change of ActiveState?
>>
>>     thanks,
>>     Michael.
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>>
>>
>>
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