Review Request: Make KAuth ready for frameworks + API Changes

Dario Freddi drf at kde.org
Sat Mar 31 16:32:35 BST 2012 


> On March 30, 2012, 1:14 p.m., Dario Freddi wrote:
> > April is upon us. If no objections arise in the time being, these changes will be merged on Sunday, after which I'll ask Kevin to move KAuth back to tier2/ for prime time.
> 
> Stephen Kelly wrote:
>     Thanks for making this happen! :)
>     
>     Instead of merging, please rebase your work like this:
>     
>     git fetch origin
>     git checkout kauth-unit-tests
>     git rebase origin/frameworks
>     git checkout frameworks
>     git rebase kauth-unit-tests
>     gitk # Make sure it still looks ok.
>     git push
>     
>     
>     This will instead replay your changes on top of the tip of the frameworks branch instead of creating a merge, which is not needed.
> 
> Dario Freddi wrote:
>     I always do this - nice to know that others love rebased branches :D
> 
> Stephen Kelly wrote:
>     Great. Good to know.
>     
>     You did use the word 'merge' though, which triggered my alarm. :)
>     
>     Thanks,
> 
> Kevin Ottens wrote:
>     So that you know, it's perfectly fine to me if you do the move yourself, it has my approval already once you rebased on master.
>     
>     Now if you prefer me to do it myself I can, it's just no a requirement.
> 
> Dario Freddi wrote:
>     I'd ask you to please complete the move yourself, given that I am not still completely familiar with what's involved (which maybe is just git mv, but just in case)
> 
> Stephen Kelly wrote:
>     I saw the branch was merged in. Did something go wrong with the rebase idea?

The branch was rebased in fact. But was subsequently merged with --no-ff to have a way to track all the changes with the merge commit (which is nothing but a simple "at this point, this branch was integrated"). So actually, all of the commits are in fact rebased on top of (previous) framework


- Dario


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On March 18, 2012, 10:25 p.m., Dario Freddi wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> http://git.reviewboard.kde.org/r/104337/
> -----------------------------------------------------------
> 
> (Updated March 18, 2012, 10:25 p.m.)
> 
> 
> Review request for kdelibs, Kevin Ottens, David Faure, and Alexander Neundorf.
> 
> 
> Description
> -------
> 
> Preamble - sorry for having to name-call people but apparently we still don't have a frameworks way for reviewing code (which sucks). And sorry for the long summary, but it's worth reading. However.
> 
> This huge patchsets brings KAuth in the marvelous world of Frameworks. If you dislike ReviewBoard's way of displaying diffs or simply want to see a commit list, please refer to the URL in "Branch".
> 
> First of all, I pulled in a dependency on KJob after a chat with Kevin. This makes KAuth tier2, but shouldn't be a big issue.
> 
> Then there's the hard part: source compatibility is reasonably broken here. The changes I had to do were mostly for the sake of revamping the internal workflow of the library. The main problem KAuth had was the fact it was completely synchronous, leading to a multitude of problems. After these changes it's fully asynchronous instead (reason for pulling in KJob), the API was simplified, and some unused features like multiple action execution have been removed.
> 
> The main changes at a glance:
> 
>  * Some renaming to the enums
>  * Moving Action & ActionReply to be implicitly shared
>  * Removing ActionWatcher (now useless due to the new semantics of execute
>  * Removing some useless APIs from Action, namely executeActions, execute(helper)
>  * execute() now returns a KJob
>  * helperID() -> helperId()
>  * Static action replies are now static accessors returning a new instance. This was a complete mistake in the first place, but it's still there with a different semantic to ease porting. The main use case for changing this is a failure to handle implicitly shared classes in multithreaded environments with that approach.
> 
> Of course, while it would be awesome to have all the code reviewed, I understand it's a very big change so I'd like at least some feedback on the following points:
> 
>  * General sanity of the new API
>  * Consistency of the enums. StatusInvalid vs. ExecuteMode vs. AuthorizationDeniedError. While the semantic seems correct to me, I'd like to have some feedback on whether consistency is valuable in the ordering of <type><value> vs. <value><type> and which one should be preferred in case.
>  * Whether to deprecate static accessors such as static const ActionReply SuccessReply(). I strongly favor this.
>  * Whether the new dependency of kcoreaddons for the sake of using KJob is reasonable or I should go for a different alternative.
>  * CMake sanity for the new dependency of kcoreaddons.
> 
> The code is pretty much unit-tested and it should have a decent coverage, even if I had no way to check this. For unit tests, I had to create a fake authorization backend for testing purposes, whereas I managed to reuse the dbus backend for helper communication, so that I could even test that. For running the helper and the client in the same process, in the unit test I am resorting to making the dbus service of the helper live in a separate thread, to prevent asynchronous DBus calls from failing due to QDBus' local-loop optimization. The test is also run on the session bus.
> 
> 
> Diffs
> -----
> 
>   staging/kauth/CMakeLists.txt PRE-CREATION 
>   staging/kauth/autotests/BackendsManager.h PRE-CREATION 
>   staging/kauth/autotests/BackendsManager.cpp PRE-CREATION 
>   staging/kauth/autotests/CMakeLists.txt PRE-CREATION 
>   staging/kauth/autotests/HelperTest.cpp PRE-CREATION 
>   staging/kauth/autotests/SetupActionTest.cpp PRE-CREATION 
>   staging/kauth/autotests/TestBackend.h PRE-CREATION 
>   staging/kauth/autotests/TestBackend.cpp PRE-CREATION 
>   staging/kauth/autotests/TestHelper.h PRE-CREATION 
>   staging/kauth/autotests/TestHelper.cpp PRE-CREATION 
>   staging/kauth/src/AuthBackend.h PRE-CREATION 
>   staging/kauth/src/CMakeLists.txt PRE-CREATION 
>   staging/kauth/src/HelperProxy.h PRE-CREATION 
>   staging/kauth/src/backends/dbus/DBusHelperProxy.h PRE-CREATION 
>   staging/kauth/src/backends/dbus/DBusHelperProxy.cpp PRE-CREATION 
>   staging/kauth/src/backends/dbus/org.kde.auth.xml PRE-CREATION 
>   staging/kauth/src/backends/fake/FakeBackend.cpp PRE-CREATION 
>   staging/kauth/src/backends/fakehelper/FakeHelperProxy.h PRE-CREATION 
>   staging/kauth/src/backends/fakehelper/FakeHelperProxy.cpp PRE-CREATION 
>   staging/kauth/src/backends/mac/AuthServicesBackend.cpp PRE-CREATION 
>   staging/kauth/src/backends/policykit/PolicyKitBackend.cpp PRE-CREATION 
>   staging/kauth/src/backends/polkit-1/Polkit1Backend.cpp PRE-CREATION 
>   staging/kauth/src/kauthaction.h PRE-CREATION 
>   staging/kauth/src/kauthaction.cpp PRE-CREATION 
>   staging/kauth/src/kauthactionreply.h PRE-CREATION 
>   staging/kauth/src/kauthactionreply.cpp PRE-CREATION 
>   staging/kauth/src/kauthactionwatcher.h PRE-CREATION 
>   staging/kauth/src/kauthactionwatcher.cpp PRE-CREATION 
>   staging/kauth/src/kauthexecutejob.h PRE-CREATION 
>   staging/kauth/src/kauthexecutejob.cpp PRE-CREATION 
> 
> Diff: http://git.reviewboard.kde.org/r/104337/diff/
> 
> 
> Testing
> -------
> 
> New unit tests pass 100%
> 
> 
> Thanks,
> 
> Dario Freddi
> 
>

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