[libvirt] [PATCH v2] implement virDomainSetInterfaceParameters
Erik Skultety
eskultet at redhat.com
Wed Jul 24 14:50:02 UTC 2019
On Wed, Jul 24, 2019 at 04:07:29PM +0200, Ilias Stamatis wrote:
> Signed-off-by: Ilias Stamatis <stamatis.iliass at gmail.com>
> ---
> src/test/test_driver.c | 106 +++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 106 insertions(+)
>
> diff --git a/src/test/test_driver.c b/src/test/test_driver.c
> index 7cf92e78a7..fce38acc17 100644
> --- a/src/test/test_driver.c
> +++ b/src/test/test_driver.c
> @@ -3108,6 +3108,111 @@ testDomainGetNumaParameters(virDomainPtr dom,
> }
>
>
> +static int
> +testDomainSetInterfaceParameters(virDomainPtr dom,
> + const char *device,
> + virTypedParameterPtr params,
> + int nparams,
> + unsigned int flags)
> +{
> + virDomainObjPtr vm = NULL;
> + virDomainDefPtr def;
> + virDomainNetDefPtr net = NULL;
> + virNetDevBandwidthPtr bandwidth = NULL;
> + bool inboundSpecified = false;
> + bool outboundSpecified = false;
> + size_t i;
> + int ret = -1;
> +
> + virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
> + VIR_DOMAIN_AFFECT_CONFIG, -1);
> +
> + if (virTypedParamsValidate(params, nparams,
> + VIR_DOMAIN_BANDWIDTH_IN_AVERAGE,
> + VIR_TYPED_PARAM_UINT,
> + VIR_DOMAIN_BANDWIDTH_IN_PEAK,
> + VIR_TYPED_PARAM_UINT,
> + VIR_DOMAIN_BANDWIDTH_IN_BURST,
> + VIR_TYPED_PARAM_UINT,
> + VIR_DOMAIN_BANDWIDTH_IN_FLOOR,
> + VIR_TYPED_PARAM_UINT,
> + VIR_DOMAIN_BANDWIDTH_OUT_AVERAGE,
> + VIR_TYPED_PARAM_UINT,
> + VIR_DOMAIN_BANDWIDTH_OUT_PEAK,
> + VIR_TYPED_PARAM_UINT,
> + VIR_DOMAIN_BANDWIDTH_OUT_BURST,
> + VIR_TYPED_PARAM_UINT,
> + NULL) < 0)
> + return -1;
> +
> + if (!(vm = testDomObjFromDomain(dom)))
> + return -1;
> +
> + if (!(def = virDomainObjGetOneDef(vm, flags)))
> + goto cleanup;
> +
> + if (!(net = virDomainNetFind(def, device)))
> + goto cleanup;
> +
> + if ((VIR_ALLOC(bandwidth) < 0) ||
> + (VIR_ALLOC(bandwidth->in) < 0) ||
> + (VIR_ALLOC(bandwidth->out) < 0))
> + goto cleanup;
> +
> + for (i = 0; i < nparams; i++) {
> + virTypedParameterPtr param = ¶ms[i];
> +
> + if (STREQ(param->field, VIR_DOMAIN_BANDWIDTH_IN_AVERAGE)) {
> + bandwidth->in->average = param->value.ui;
> + inboundSpecified = true;
> + } else if (STREQ(param->field, VIR_DOMAIN_BANDWIDTH_IN_PEAK)) {
> + bandwidth->in->peak = param->value.ui;
> + } else if (STREQ(param->field, VIR_DOMAIN_BANDWIDTH_IN_BURST)) {
> + bandwidth->in->burst = param->value.ui;
> + } else if (STREQ(param->field, VIR_DOMAIN_BANDWIDTH_IN_FLOOR)) {
> + bandwidth->in->floor = param->value.ui;
> + inboundSpecified = true;
> + } else if (STREQ(param->field, VIR_DOMAIN_BANDWIDTH_OUT_AVERAGE)) {
> + bandwidth->out->average = param->value.ui;
> + outboundSpecified = true;
> + } else if (STREQ(param->field, VIR_DOMAIN_BANDWIDTH_OUT_PEAK)) {
> + bandwidth->out->peak = param->value.ui;
> + } else if (STREQ(param->field, VIR_DOMAIN_BANDWIDTH_OUT_BURST)) {
> + bandwidth->out->burst = param->value.ui;
> + }
> + }
> +
> + /* average or floor are mandatory, peak and burst are optional */
> + if (!bandwidth->in->average && !bandwidth->in->floor)
> + VIR_FREE(bandwidth->in);
> + if (!bandwidth->out->average)
> + VIR_FREE(bandwidth->out);
> +
> + if (!net->bandwidth) {
> + VIR_STEAL_PTR(net->bandwidth, bandwidth);
> + } else {
> + if (bandwidth->in) {
> + VIR_FREE(net->bandwidth->in);
> + VIR_STEAL_PTR(net->bandwidth->in, bandwidth->in);
> + } else if (inboundSpecified) {
To avoid any kind of confusion in the future I'd prefer an explicit comment
like the following:
/* If we got here it means user requested inbound to be cleared */
> + VIR_FREE(net->bandwidth->in);
> + }
> + if (bandwidth->out) {
> + VIR_FREE(net->bandwidth->out);
> + VIR_STEAL_PTR(net->bandwidth->out, bandwidth->out);
> + } else if (outboundSpecified) {
Similarly here for outbound...
I'll adjust before merging.
Reviewed-by: Erik Skultety <eskultet at redhat.com>
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