On Fri, Jun 15, 2007 at 11:30:02AM -0400, Mark Johnson wrote:
> Which of these does folks prefer (same would apply to SetMaxMem).
I prefer the first. Full error checking & reporting. GetInfo should
never fail under any reasonable scenario. If it does fail its very
unlikely that a SetMemory would then work, so its pointless continuing
>
> ONE
> ------
> cmdSetmem(vshControl * ctl, vshCmd * cmd)
> {
> ...
> kilobytes = vshCommandOptInt(cmd, "kilobytes", &kilobytes);
> if (kilobytes <= 0) {
> virDomainFree(dom);
> vshError(ctl, FALSE, _("Invalid value of %d for memory size"),
> kilobytes);
> return FALSE;
> }
>
> if (virDomainGetInfo(dom, &info) != 0) {
> virDomainFree(dom);
> vshError(ctl, FALSE, _("Unable to verify MaxMemorySize"));
> return FALSE;
> }
> if (kilobytes > info.maxMem) {
> virDomainFree(dom);
> vshError(ctl, FALSE, _("Invalid value of %d for memory size"),
> kilobytes);
> return FALSE;
> }
> ...
> }
>
Dan.
--
|=- Red Hat, Engineering, Emerging Technologies, Boston. +1 978 392 2496 -=|
|=- Perl modules: http://search.cpan.org/~danberr/ -=|
|=- Projects: http://freshmeat.net/~danielpb/ -=|
|=- GnuPG: 7D3B9505 F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 -=|