On Thu, Aug 14, 2014 at 01:09:32PM +0200, Erik Skultety wrote:
> When editing guest's XML (on QEMU), it was possible to add multiple
> listen elements into graphics parent element. However QEMU does not
> support listening on multiple addresses. This patch causes qemu
> post-parse callback to remove any redundant entries, leaving only 1
> listening address if provided, otherwise the configuration remains
> untouched.
Discarding part of the users requested config like this is not
the right thing todo. If the user requests multiple listen addresses
and we cannot honour that request that we must report that as an
error with code VIR_ERR_CONFIG_UNSUPPORTED
> ---
> src/qemu/qemu_domain.c | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
> index 4f63c88..75a4446 100644
> --- a/src/qemu/qemu_domain.c
> +++ b/src/qemu/qemu_domain.c
> @@ -827,6 +827,25 @@ qemuDomainDefPostParse(virDomainDefPtr def,
> VIR_DOMAIN_INPUT_BUS_USB) < 0)
> return -1;
>
> + /* loop over all graphics connections and all listening addresses,
> + * removing all redundant listening address entries, thus leaving
> + * only 1 entry
> + */
> + if (def->ngraphics > 0 && def->graphics) {
> + size_t i, j;
> + for (i = 0; i < def->ngraphics; i++) {
> + virDomainGraphicsListenDefPtr listens = def->graphics[i]->listens;
> + size_t nListens = def->graphics[i]->nListens;
> + if (nListens <= 1 || !listens)
> + continue;
> + for (j = 1; j < nListens; j++) {
> + VIR_FREE(listens[j].address);
> + VIR_FREE(listens[j].network);
> + }
> + def->graphics[i]->nListens = 1;
> + }
> + }
> +
> return 0;
> }
Regards,
Daniel
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