[SailfishDevel] Nemo DBus typedCall

Michael Fuchs michfu at gmx.at
Thu Jun 15 14:43:20 UTC 2017


Hi,

so does this work now?
Because we already had this discussion here and the conclusion was that 
receiving signals from dbus doenst work.

Greets, Michael.

On Donnerstag, 15. Juni 2017 15:40:45 CEST Dylan Van Assche via Devel wrote:
> Hi,
> 
> Thanks! I totally forgot that one, I have set this property with all the
> rest of my dBus calls and I forgot it here.
> 
> Cheers,
> Dylan
> 
> -------- Original Message --------
> Subject: Re: [SailfishDevel] Nemo DBus typedCall
> Local Time: June 15, 2017 3:37 PM
> UTC Time: June 15, 2017 1:37 PM
> From: rgrnetalk at yahoo.com
> To: Dylan Van Assche <dylan.van.assche at protonmail.com>, Sailfish OS
> Developers <devel at lists.sailfishos.org>
> 
> Hi,
> 
> With the risk of being totally wrong (I'm not really into DBus): according
> to the DbusInterface example in this page: [Nemo Mobile D-Bus QML Plugin —
> Nemo Mobile D-Bus QML Plugin 2.0.0
> documentation](http://nemo-qml-plugin-dbus.readthedocs.io/en/latest/#dbusin
> terface), you should set signalsEnabled = true.
> 
> Nemo Mobile D-Bus QML Plugin — Nemo Mobile D-Bus QML Plugin 2.0.0
> documentation
> 
> Regards, rgr
> 
> ---------------------------------------------------------------
> From: Dylan Van Assche via Devel <devel at lists.sailfishos.org>
> To: Sailfish OS Developers mailing list <devel at lists.sailfishos.org>
> Sent: Thursday, June 15, 2017 2:38 PM
> Subject: Re: [SailfishDevel] Nemo DBus typedCall
> 
> Hi,
> 
> I'm trying to listen to the MCE DBUS API for changes from the display and
> the radios. For some reason, I won't receive the signals while writing on
> the /request endpoint works perfectly. Someone an idea?
> 
> Seems that Slava can make this work:
> https://github.com/monich/harbour-lib/blob/master/src/HarbourSystemState.cp
> p
> 
> DBusInterface {
> 
> id
> 
> 
> 
> dbusFlight
> 
> bus
> 
> 
> 
> DBus.SystemBus
> 
> service
> 
> 
> 
> "com.nokia.mce"
> 
> path
> 
> 
> 
> "/com/nokia/mce/signal"
> 
> iface
> 
> 
> 
> "com.nokia.mce.signal"
> 
> //
> 
> Signals
> 
> function
> 
> radio_states_ind
> 
> (state)
> 
> {
> 
> console
> 
> .log(
> 
> JSON
> 
> .stringify(
> 
> "MCE
> 
> radio
> 
> state=
> 
> "
> 
> +
> 
> state
> 
> ))
> 
> }
> 
> function
> 
> display_status_ind
> 
> (state)
> 
> {
> 
> console
> 
> .log(
> 
> JSON
> 
> .stringify(
> 
> "MCE
> 
> display
> 
> state=
> 
> "
> 
> +
> 
> state
> 
> ))
> 
> }
> 
> }
> 
> Cheers,
> Dylan
> 
> -------- Original Message --------
> Subject: Re: [SailfishDevel] Nemo DBus typedCall
> Local Time: June 12, 2017 12:00 AM
> UTC Time: June 11, 2017 10:00 PM
> From: slava.monich at jolla.com
> To: Sailfish OS Developers <devel at lists.sailfishos.org>
> 
> Dylan Van Assche <dylan.van.assche at protonmail.com>
> 
> Yes, in that respect the changes are backward compatible. Whatever you are
> getting from GetProperties can be monitored by handling the PropertyChanged
> signals. You just need to be prepared that SetProperty and other calls
> (Connect, Disconnect etc.) may respond with
> net.connman.Error.PermissionDenied if your process doesn't have enough
> privileges for that.
> 
> The idea is that the user has to be reasonably sure that a random app pulled
> from Jolla Store doesn't mess with the system configuration (e.g. doesn't
> enable mobile data behind your back). Most likely, a similar fate is
> awaiting ofono and a few other D-Bus interfaces. Right now Jolla Store apps
> can do way too much over D-Bus. We (well, at least I) will try not to not
> break backward compatibility of D-Bus APIs except when the breakage is
> absolutely inevitable, even though those are not officially supported APIs.
> 
> And as always, all these changes are open for close examination at
> git.merproject.org.
> 
> Cheers,
> -Slava
> 
> Can I still monitor for changes and read properties? Can you give a more
> complete view what will change exactly? I am building an universal bridge
> between Python and QML with integrated Platform APIs based on DBUS and
> other stuff.
> 
> Dylan
> 
> -------- Original Message --------
> Subject: Re: [SailfishDevel] Nemo DBus typedCall
> Local Time: June 11, 2017 7:16 PM
> UTC Time: June 11, 2017 5:16 PM
> From: slava.monich at jolla.com
> To: devel at lists.sailfishos.org
> Dylan Van Assche
> [<dylan.van.assche at protonmail.com>](mailto:dylan.van.assche at protonmail.com)
> 
> And keep in mind that starting with Sailfish OS 2.1.1 non-privileged
> processes won't be able to set this property (as well as do a few other
> connman things, e.g. manipulate the services). In order to be able to use
> the restricted D-Bus APIs you would have to ask the launcher to run your
> app under nemo:privileged but that would automatically disqualify the app
> from getting accepted to Jolla Store. Sailfish OS is getting security
> conscious!
> 
> Cheers,
> -Slava
> 
> You’re missing the property name. You need:
> 
> string:Powered variant:boolean:true
> 
> ref:
> https://together.jolla.com/question/56437/i-would-like-to-toggle-internet-co
> nnectivity-via-terminal-with-dbus/
> 
> typedCall('SetProperty', [ {'type':'s', 'value': 'Powered'}, {'type':'v',
> 'value': valuet}], …);
> 
> ref: https://talk.maemo.org/archive/index.php/t-92303.html
> 
> -kimmo
> 
> From: Devel [mailto:devel-bounces at lists.sailfishos.org] On Behalf Of Dylan
> Van Assche via Devel Sent: 10. kesäkuuta 2017 12:45
> To: Sailfish OS Developers mailing list
> Subject: [SailfishDevel] Nemo DBus typedCall
> 
> Hi devs,
> 
> I'm playing around with the Nemo DBus QML plugin but I'm a little bit stuck
> when using the function typedCall().
> 
> DBusInterface
> 
> {
> 
> id
> 
> 
> 
> wifi
> 
> bus
> 
> 
> 
> DBus.SystemBus
> 
> service
> 
> 
> 
> 'net.connman'
> 
> path
> 
> 
> 
> '/net/connman/technology/wifi'
> 
> iface
> 
> 
> 
> 'net.connman.Technology'
> 
> signalsEnabled
> 
> 
> 
> true
> 
> function
> 
> setState
> 
> (powered)
> 
> {
> 
> var
> 
> value
> 
> =
> 
> powered
> 
> ?
> 
> 'true'
> 
> 
> 
> 'false'
> 
> typedCall(
> 
> 'SetProperty'
> 
> ,
> 
> {
> 
> 'type'
> 
> 
> 
> 's'
> 
> ,
> 
> 'value'
> 
> 
> 
> value
> 
> },
> 
> function
> 
> ()
> 
> {
> 
> console
> 
> .log(
> 
> '[INFO]
> 
> wifi
> 
> power
> 
> state set'
> 
> )
> 
> },
> 
> function
> 
> ()
> 
> {
> 
> console
> 
> .log(
> 
> '[ERROR]
> 
> wifi
> 
> power
> 
> state failed'
> 
> )
> 
> })
> 
> }
> 
> function
> 
> propertyChanged
> 
> (name,
> 
> value)
> 
> {
> 
> console
> 
> .log(
> 
> "WiFi
> 
> changed
> 
> NAME=%1
> 
> VALUE=%2"
> 
> .arg(
> 
> name
> 
> ).arg(
> 
> value
> 
> ))
> 
> }
> 
> }
> 
> But it seems that I'm doing something wrong when I try to enable/disable
> wifi. It's my first attempts with DBus but I have managed to read the
> signals with the plugin without any issues.
> 
> Cheers,
> 
> Dylan
> 
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