Solid/Meetings/Forge0

Minutes

Friday Discussions

Started 3 years ago experience shows flaws Also closely based on what Hal provided at the time Mac shows power management can be well integrated with the system. Use cases things not suspending when doing things, not screensaving when watching a video, making a skype call.

Made xdg spec, result nobody else implemented it.

Currently: lot of disconnected pieces, lots of bug reports

Eg resume suspend with nvidia: first you see your desktop, then the screenlocker appears

Options: move suspend etc into the session manager

KDM, KSMServer, Powerdevil, HAL

PD talks to HAL, the upper parts don't know what is going on.. Everything relies on Powerdevil for info.

new design is that ksm gets backends for hal, upower, 'nextkit', and apps request power actions via KWorkspace api.

KSM has to be lightweight and stable. KSM should only provide a facade around functionality implemented in powerdevil. Powerdevil will track pre-suspend and post-suspend states to perform app things like updating the plasma clock early after resume.

NM:

Problems in reading system connections - no impl for doing this. Writing is easy, reading is not.

NetworkManager is adding complex polkit logic for managing connections.

Code which evaluates and shows system connections already exists, but no code exists for editing them.

Different distributions provide different means for storing connection settings, which will be watched over by NetworkManager. This leads to severe breakage, hence the need for managing system connections.

Add NM dependency to the KCM and polkit code to fix this.

NM/Bluetooth:

Nobody knows how this works NM side.

Inhibition:

What features to provide:

What components to inhibit

Automatic suspend
Brightness change
Screensaver

How to present this to the user

How to present this to the developer

Non functional reqts:

Inhibit right
Make it easy for devs
do not get in the user's way

Levels of inhibition - app developers will misbehave and request high priority for all events. Using strings instead enforces responsibility on developers to make justified requests.

solid as a team:

Doing better!
Find maintainers for all backends, particularly udev (otherwise we keep hal)
Document state of elements and what we support, on userbase.
Improve bus number, instead of one-person teams, small teams on each component.
- Solid umbrella identity for effort supporting hardware on KDE
  - libsolid hardware awareness lib
  - UDisks
  - UPower
  - UDev
  - Bluetooth
  - Power devil
  - NM - supporting Connman?
  - XRandR
  - LIRC
Bug triage
- Need someone to triage incoming bugs
- New bugs.kde.org categories needed

solid

 general
 powermanagement
 bluetooth
          -kcm
          -daemon
          -lib
 libsolid
         -frontend
         -upower
         -disks

Saturday Wrapups

Saturday wrapup notes Sebas

Nothing finished
Started Hidden wireless network logic
Debugging crasher in KDED
Working on config widget which lays out profile configuration for PowerDevil dynamically while looking nice.

Albert

Arrived, broke his computer, compiled kdelibs
Helped Alex with refactoring of Solid::Device list to make it asynchronous
Working on SVG backend for Okular.

Dario

Finished new Powerdevil core
Ported Powerdevil to new backend
Everything (changing brightness) etc are dynamic actions provided by plugins
Common actions bundled into PD core lib
Fast lightweight modular

Alex

started researching Bluetooth connections (DUN and PAN) in Networkmanager. Got both kind of working
wrote some BlueDevil plugins for establishing connections
waiting for feedback from Will on how Gnome keeps BlueZ network service up
looking at libsolid and refactoring for async device listing api
Learning from Albert how to use new Qt shared pointer classes.

Agustin

took notes, sent some text to promo list for promo guys to process
worked on task list to make Solid a stronger group.
writing text for Dot story on the meeting

Lamarque

Started to finish his mobile connection wizard, now working, saving connections. CDMA part can't be tested.
Polishing and debugging corner cases.

Rafa

Evaluated tasks as new Solid participant
Debugging KCategorizedView
Chose to work on UDev support, looking at how Solid internals work, now listing devices but missing information like product/vendor.

Will

Researched how Gnome nm-applet bluetooth support is integrated, shared info with Alex
Reviewed Lamarque's 3G mobile-broadband-provider-info wizard
Refactoring hidden network support since he no longer understands own code
Refamiliarised about what is missing from

Kevin

Fixed licensing in libsolid
Reorganized bugzilla categories 500 bugs. Assigned default assignees to bug categories. BlueDevil and Network management bugs not yet assigned in
Identified a class in fstab backend, factored out to libsolid - allows backends to inject fake devices to act as a device root.
Looking at udev/upower backends for problems, missing functions. upower basically ok. upower backend sometimes gives devices with no useful data.
Udisk backend work because it had the most bugs, refactored to create tree structure
- Fixed notifications on plug/unplug, timing issue for notification and cache
Not much code shared between U* except fake root device.

Concerns:

More things moving into network management in progress but not out to Done
Kevin would like more people hacking on udisks tasks as they are small.

Sunday Wrapups

Sebas

Plasma side of hidden networks plumbing
Pluggable configuration of powerdevil works
Fixing up powerdevil to work with new config