/**
* virNetDevBandwidthParse:
* @bandwidth: parsed bandwidth
* @node: XML node
* @allowFloor: whether "floor" setting is supported
*
* Parse bandwidth XML and return pointer to structure.
* The @allowFloor attribute indicates whether the caller
* is able to support use of the "floor" setting.
*
* Returns !NULL on success, NULL on error.
*/
int
virNetDevBandwidthParse(virNetDevBandwidthPtr *bandwidth,
xmlNodePtr node,
bool allowFloor)
{
int ret = -1;
virNetDevBandwidthPtr def = NULL;
xmlNodePtr cur;
xmlNodePtr in = NULL, out = NULL;
if (VIR_ALLOC(def) < 0)
return ret;
if (!node || !virXMLNodeNameEqual(node, "bandwidth")) {
virReportError(VIR_ERR_INVALID_ARG, "%s",
_("invalid argument supplied"));
goto cleanup;
}
cur = node->children;
while (cur) {
if (cur->type == XML_ELEMENT_NODE) {
if (virXMLNodeNameEqual(cur, "inbound")) {
if (in) {
virReportError(VIR_ERR_XML_DETAIL, "%s",
_("Only one child <inbound> "
"element allowed"));
goto cleanup;
}
in = cur;
} else if (virXMLNodeNameEqual(cur, "outbound")) {
if (out) {
virReportError(VIR_ERR_XML_DETAIL, "%s",
_("Only one child <outbound> "
"element allowed"));
goto cleanup;
}
out = cur;
}
/* Silently ignore unknown elements */
}
cur = cur->next;
}
if (in) {
if (VIR_ALLOC(def->in) < 0)
goto cleanup;
if (virNetDevBandwidthParseRate(in, def->in) < 0) {
/* helper reported error for us */
goto cleanup;
}
if (def->in->floor && !allowFloor) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("floor attribute is not supported for this config"));
goto cleanup;
}
}
if (out) {
if (VIR_ALLOC(def->out) < 0)
goto cleanup;
if (virNetDevBandwidthParseRate(out, def->out) < 0) {
/* helper reported error for us */
goto cleanup;
}
if (def->out->floor) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("'floor' attribute allowed "
"only in <inbound> element"));
goto cleanup;
}
}
if (!def->in && !def->out)
VIR_FREE(def);
*bandwidth = def;
def = NULL;
ret = 0;
cleanup:
virNetDevBandwidthFree(def);
return ret;
}
/**
* virNetDevBandwidthParse:
* @node: XML node
* @net_type: one of virDomainNetType
*
* Parse bandwidth XML and return pointer to structure.
* @net_type tell to which type will/is interface connected to.
* Pass -1 if this is not called on interface.
*
* Returns !NULL on success, NULL on error.
*/
virNetDevBandwidthPtr
virNetDevBandwidthParse(xmlNodePtr node,
int net_type)
{
virNetDevBandwidthPtr def = NULL;
xmlNodePtr cur;
xmlNodePtr in = NULL, out = NULL;
if (VIR_ALLOC(def) < 0)
return NULL;
if (!node || !xmlStrEqual(node->name, BAD_CAST "bandwidth")) {
virReportError(VIR_ERR_INVALID_ARG, "%s",
_("invalid argument supplied"));
goto error;
}
cur = node->children;
while (cur) {
if (cur->type == XML_ELEMENT_NODE) {
if (xmlStrEqual(cur->name, BAD_CAST "inbound")) {
if (in) {
virReportError(VIR_ERR_XML_DETAIL, "%s",
_("Only one child <inbound> "
"element allowed"));
goto error;
}
in = cur;
} else if (xmlStrEqual(cur->name, BAD_CAST "outbound")) {
if (out) {
virReportError(VIR_ERR_XML_DETAIL, "%s",
_("Only one child <outbound> "
"element allowed"));
goto error;
}
out = cur;
}
/* Silently ignore unknown elements */
}
cur = cur->next;
}
if (in) {
if (VIR_ALLOC(def->in) < 0)
goto error;
if (virNetDevBandwidthParseRate(in, def->in) < 0) {
/* helper reported error for us */
goto error;
}
if (def->in->floor && net_type != VIR_DOMAIN_NET_TYPE_NETWORK) {
if (net_type == -1) {
/* 'floor' on network isn't supported */
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("floor attribute isn't supported for "
"network's bandwidth yet"));
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("floor attribute is supported only for "
"interfaces of type network"));
}
goto error;
}
}
if (out) {
if (VIR_ALLOC(def->out) < 0)
goto error;
if (virNetDevBandwidthParseRate(out, def->out) < 0) {
/* helper reported error for us */
goto error;
}
if (def->out->floor) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("'floor' attribute allowed "
"only in <inbound> element"));
goto error;
}
}
return def;
error:
virNetDevBandwidthFree(def);
return NULL;
}