Thanks Thiago that you actually responded to that confusing question. I was exhausted and didn't add the most important information. Let me try again after getting some sleep:
I intended to use QDBusConnection::sessionBus() (Kubuntu 15.10 running
Qt5.4.2) to access the systemd user session bus like this:
QDBusConnection dBus = QDBusConnection::sessionBus();
QDBusInterface systemDManagerInterface("org.freedesktop.systemd1", "/org/
freedesktop/systemd1", "org.freedesktop.systemd1.Manager", dBus);
That creates an invalid interface. Using systemBus() my code works fine but I
need to access the user session bus not the system bus.
I tried a lot of things and this is what I could observe:
1 ."busctl --user | grep systemd" lists "org.freedesktop.systemd1" as
"(activatable)"
2. "qdbusviewer" does not list something that contains "systemd" in its
"Session Bus" tab.
3. "systemctl --user list-units" works and prints a long list of devices.
4. I installed the systemd settings panel in KDE and the "user units" tab is
ghosted and can not be selected while the "units" tab works fine.
5. I was able to create a .service file in the "~/.config/systemd/user/"
folder, and I was able to enable, start and dsiable that daemon using
"systemctl --user"
I am pretty new to linux and totally new to systemd and D-Bus. And confused.
Any ideas why the above code does not return a valid systemd bus interface
using sessionBus()?
--
Regards
Bernhard
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