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conf: Rework parsing in virStoragePoolDefParseSourceAdapter

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Rather than use virXPathString, pass along an virXPathNode and alter
the parsing to use virXMLPropString.

Signed-off-by: John Ferlan <jferlan@redhat.com>
This commit is contained in:
John Ferlan 2017-03-10 08:18:48 -05:00
parent 86e7c59f80
commit 2dd9b94531
1 changed files with 27 additions and 24 deletions
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51
src/conf/storage_conf.c
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@ -464,13 +464,17 @@ virStoragePoolObjRemove(virStoragePoolObjListPtr pools,
static int
virStoragePoolDefParseSourceAdapter(virStoragePoolSourcePtr source,
xmlNodePtr node,
xmlXPathContextPtr ctxt)
{
int ret = -1;
xmlNodePtr relnode = ctxt->node;
char *adapter_type = NULL;
char *managed = NULL;
if ((adapter_type = virXPathString("string(./adapter/@type)", ctxt))) {
ctxt->node = node;
if ((adapter_type = virXMLPropString(node, "type"))) {
if ((source->adapter.type =
virStoragePoolSourceAdapterTypeFromString(adapter_type)) <= 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
@ -482,8 +486,8 @@ virStoragePoolDefParseSourceAdapter(virStoragePoolSourcePtr source,
if (source->adapter.type ==
VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST) {
source->adapter.data.fchost.parent =
virXPathString("string(./adapter/@parent)", ctxt);
managed = virXPathString("string(./adapter/@managed)", ctxt);
virXMLPropString(node, "parent");
managed = virXMLPropString(node, "managed");
if (managed) {
source->adapter.data.fchost.managed =
virTristateBoolTypeFromString(managed);
@ -496,23 +500,21 @@ virStoragePoolDefParseSourceAdapter(virStoragePoolSourcePtr source,
}
source->adapter.data.fchost.parent_wwnn =
virXPathString("string(./adapter/@parent_wwnn)", ctxt);
virXMLPropString(node, "parent_wwnn");
source->adapter.data.fchost.parent_wwpn =
virXPathString("string(./adapter/@parent_wwpn)", ctxt);
virXMLPropString(node, "parent_wwpn");
source->adapter.data.fchost.parent_fabric_wwn =
virXPathString("string(./adapter/@parent_fabric_wwn)", ctxt);
virXMLPropString(node, "parent_fabric_wwn");
source->adapter.data.fchost.wwpn =
virXPathString("string(./adapter/@wwpn)", ctxt);
source->adapter.data.fchost.wwnn =
virXPathString("string(./adapter/@wwnn)", ctxt);
source->adapter.data.fchost.wwpn = virXMLPropString(node, "wwpn");
source->adapter.data.fchost.wwnn = virXMLPropString(node, "wwnn");
} else if (source->adapter.type ==
VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST) {
source->adapter.data.scsi_host.name =
virXPathString("string(./adapter/@name)", ctxt);
if (virXPathNode("./adapter/parentaddr", ctxt)) {
xmlNodePtr addrnode = virXPathNode("./adapter/parentaddr/address",
virXMLPropString(node, "name");
if (virXPathNode("./parentaddr", ctxt)) {
xmlNodePtr addrnode = virXPathNode("./parentaddr/address",
ctxt);
virPCIDeviceAddressPtr addr =
&source->adapter.data.scsi_host.parentaddr;
@ -525,7 +527,7 @@ virStoragePoolDefParseSourceAdapter(virStoragePoolSourcePtr source,
source->adapter.data.scsi_host.has_parent = true;
if (virPCIDeviceAddressParseXML(addrnode, addr) < 0)
goto cleanup;
if ((virXPathInt("string(./adapter/parentaddr/@unique_id)",
if ((virXPathInt("string(./parentaddr/@unique_id)",
ctxt,
&source->adapter.data.scsi_host.unique_id) < 0) ||
(source->adapter.data.scsi_host.unique_id < 0)) {
@ -537,17 +539,14 @@ virStoragePoolDefParseSourceAdapter(virStoragePoolSourcePtr source,
}
}
} else {
char *wwnn = NULL;
char *wwpn = NULL;
char *parent = NULL;
char *wwnn = virXMLPropString(node, "wwnn");
char *wwpn = virXMLPropString(node, "wwpn");
char *parent = virXMLPropString(node, "parent");
/* "type" was not specified in the XML, so we must verify that
* "wwnn", "wwpn", "parent", or "parentaddr" are also not in the
* XML. If any are found, then we cannot just use "name" alone".
*/
wwnn = virXPathString("string(./adapter/@wwnn)", ctxt);
wwpn = virXPathString("string(./adapter/@wwpn)", ctxt);
parent = virXPathString("string(./adapter/@parent)", ctxt);
if (wwnn || wwpn || parent) {
VIR_FREE(wwnn);
@ -559,7 +558,7 @@ virStoragePoolDefParseSourceAdapter(virStoragePoolSourcePtr source,
goto cleanup;
}
if (virXPathNode("./adapter/parentaddr", ctxt)) {
if (virXPathNode("./parentaddr", ctxt)) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("Use of 'parent' element requires use "
"of the adapter 'type'"));
@ -570,7 +569,7 @@ virStoragePoolDefParseSourceAdapter(virStoragePoolSourcePtr source,
* for scsi_host adapter.
*/
if ((source->adapter.data.scsi_host.name =
virXPathString("string(./adapter/@name)", ctxt)))
virXMLPropString(node, "name")))
source->adapter.type =
VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST;
}
@ -578,6 +577,7 @@ virStoragePoolDefParseSourceAdapter(virStoragePoolSourcePtr source,
ret = 0;
cleanup:
ctxt->node = relnode;
VIR_FREE(adapter_type);
VIR_FREE(managed);
return ret;
@ -592,6 +592,7 @@ virStoragePoolDefParseSource(xmlXPathContextPtr ctxt,
{
int ret = -1;
xmlNodePtr relnode, authnode, *nodeset = NULL;
xmlNodePtr adapternode;
int nsource;
size_t i;
virStoragePoolOptionsPtr options;
@ -703,8 +704,10 @@ virStoragePoolDefParseSource(xmlXPathContextPtr ctxt,
VIR_STRDUP(source->dir, "/") < 0)
goto cleanup;
if (virStoragePoolDefParseSourceAdapter(source, ctxt) < 0)
goto cleanup;
if ((adapternode = virXPathNode("./adapter", ctxt))) {
if (virStoragePoolDefParseSourceAdapter(source, adapternode, ctxt) < 0)
goto cleanup;
}
if ((authnode = virXPathNode("./auth", ctxt))) {
if (!(authdef = virStorageAuthDefParse(node->doc, authnode)))