Re: [Qemu-devel] [PATCH V4 1/2] qapi: Add SnapshotInfo and ImageInfo.

["Benoît Canet" <benoit.canet@irqsave.net>]

Le Wednesday 22 Aug 2012 à 08:56:06 (-0600), Eric Blake a écrit :
> On 08/22/2012 08:32 AM, Benoît Canet wrote:
> >> Since we have two fields named *-nsec, it might be worth clarifying that
> >> date-nsec is merely the fractional portion to be combined with date-sec
> >> (always less than 1000000000), while vm-clock-nsec includes seconds if
> >> the drift is that large.
> >>
> >> For that matter, should we even be exposing things in this manner?  I
> >> know the internal struct has seconds and nanos separate for date,
> >> because it maps to struct timespec; but why can't we combine them into
> >> one giant number for JSON?
> > 
> > Wouldn't people working with low level language be annoyed after parsing
> > this JSON to have to split this combined number in two parts to fit
> > them back into struct timespec ?
> 
> Perhaps, in which case, why don't we present vm-clock-nsec via two
> fields of seconds and fraction, for the same reasoning?
I'll do that.

> My point is
> that we have two different bike shed colors showing in this one API, but
> I would prefer we be consistent and pick just one (as to _which_ color,
> I can be persuaded either way).
> 
> -- 
> Eric Blake   eblake@redhat.com    +1-919-301-3266
> Libvirt virtualization library http://libvirt.org
>