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Re: [libvirt] [PATCH] virConnectListAllDomains



On Fri, Aug 29, 2008 at 03:39:44PM +0200, Daniel Veillard wrote:
> > +/* For virConnectListAllDomains. */
> > +#define VIR_DOMAIN_LIST_NOSTATE (1 << VIR_DOMAIN_NOSTATE)
> > +#define VIR_DOMAIN_LIST_RUNNING (1 << VIR_DOMAIN_RUNNING)
> > +#define VIR_DOMAIN_LIST_BLOCKED (1 << VIR_DOMAIN_BLOCKED)
> > +#define VIR_DOMAIN_LIST_PAUSED (1 << VIR_DOMAIN_PAUSED)
> > +#define VIR_DOMAIN_LIST_SHUTDOWN (1 << VIR_DOMAIN_SHUTDOWN)
> > +#define VIR_DOMAIN_LIST_SHUTOFF (1 << VIR_DOMAIN_SHUTOFF)
> > +#define VIR_DOMAIN_LIST_CRASHED (1 << VIR_DOMAIN_CRASHED)
> > +
> > +#define VIR_DOMAIN_LIST_ACTIVE (VIR_DOMAIN_LIST_NOSTATE |       \
> > +                                VIR_DOMAIN_LIST_RUNNING |       \
> > +                                VIR_DOMAIN_LIST_BLOCKED |       \
> > +                                VIR_DOMAIN_LIST_PAUSED |        \
> > +                                VIR_DOMAIN_LIST_SHUTDOWN |      \
> > +                                VIR_DOMAIN_LIST_CRASHED)
> > +#define VIR_DOMAIN_LIST_INACTIVE VIR_DOMAIN_LIST_SHUTOFF
> > +#define VIR_DOMAIN_LIST_ALL (VIR_DOMAIN_LIST_ACTIVE | VIR_DOMAIN_LIST_INACTIVE)
> 
>    Hum ... I wonder if basing the selection on status like that may
> not generate compatibility problems in the future if we add a new
> state for some hypervisor. i'm not sure defining ACTIVE/ALL/INACTIVE
> in term of union will really help in the long term.

You mean this as an ABI concern?

We could certainly give the ACTIVE/ALL/INACTIVE flags extra magic
values if you think that would help.

Rich.

-- 
Richard Jones, Emerging Technologies, Red Hat  http://et.redhat.com/~rjones
virt-p2v converts physical machines to virtual machines.  Boot with a
live CD or over the network (PXE) and turn machines into Xen guests.
http://et.redhat.com/~rjones/virt-p2v


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