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Re: [Qemu-devel] "Designing QMP APIs" at KVM Forum

From: Eric Blake
Subject: Re: [Qemu-devel] "Designing QMP APIs" at KVM Forum
Date: Thu, 23 May 2013 07:59:17 -0600
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On 05/23/2013 06:46 AM, Luiz Capitulino wrote:
> On Thu, 23 May 2013 13:51:22 +0200
> Stefan Hajnoczi <address@hidden> wrote:
>> With better QMP introspection on the horizon and work in various
>> subsystems pushing QMP boundaries it would be useful to bring together
>> the latest best practices for designing QMP APIs.
>> There are design rules for keeping QMP APIs extensible and for
>> allowing clients to detect the presence of features.  There is also
>> QEMU-side infrastructure like event rate-limiting, which developers
>> should make use of where appropriate.
>> Is anyone willing to bring together the best practices and present
>> them at KVM Forum this year?
> I think this is a great idea and I vote for Eric to prepare a presentation.
> Eric is doing an exceptional work on QMP command review, he is also
> experienced on the client side.

Indeed, it looks like I have a good topic for presentation.  Yes, I'll
take on that task for the KVM forum.

>> I think that could help set the standard for QMP APIs.  A set of
>> slides or wiki page can be a reference to developers that stops us
>> working from first pricinples every time a new API is added.
> I was working on a doc to be added to docs/. It wouldn't be anything
> fancy, but I ended up not finishing it.

Even if you post the draft, that might help spur some ideas.

Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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