qemu: Switch context for job related private XML parsing

Having to repeat "./job[1]/" XPath prefix for every single element or
attribute we want to parse is suboptimal. And even more so once we
further extract code from qemuDomainObjPrivateXMLParseJob into separate
functions.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
This commit is contained in:
Jiri Denemark 2018-03-13 15:50:41 +01:00
parent 0a3a96b5c3
commit 6c2e34e1a7

View File

@ -2332,12 +2332,18 @@ qemuDomainObjPrivateXMLParseJob(virDomainObjPtr vm,
xmlXPathContextPtr ctxt)
{
xmlNodePtr *nodes = NULL;
xmlNodePtr savedNode = ctxt->node;
char *tmp = NULL;
size_t i;
int n;
int ret = -1;
if ((tmp = virXPathString("string(./job[1]/@type)", ctxt))) {
if (!(ctxt->node = virXPathNode("./job[1]", ctxt))) {
ret = 0;
goto cleanup;
}
if ((tmp = virXPathString("string(@type)", ctxt))) {
int type;
if ((type = qemuDomainJobTypeFromString(tmp)) < 0) {
@ -2349,7 +2355,7 @@ qemuDomainObjPrivateXMLParseJob(virDomainObjPtr vm,
priv->job.active = type;
}
if ((tmp = virXPathString("string(./job[1]/@async)", ctxt))) {
if ((tmp = virXPathString("string(@async)", ctxt))) {
int async;
if ((async = qemuDomainAsyncJobTypeFromString(tmp)) < 0) {
@ -2360,7 +2366,7 @@ qemuDomainObjPrivateXMLParseJob(virDomainObjPtr vm,
VIR_FREE(tmp);
priv->job.asyncJob = async;
if ((tmp = virXPathString("string(./job[1]/@phase)", ctxt))) {
if ((tmp = virXPathString("string(@phase)", ctxt))) {
priv->job.phase = qemuDomainAsyncJobPhaseFromString(async, tmp);
if (priv->job.phase < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
@ -2371,7 +2377,7 @@ qemuDomainObjPrivateXMLParseJob(virDomainObjPtr vm,
}
}
if ((n = virXPathNodeSet("./job[1]/disk[@migrating='yes']", ctxt, &nodes)) < 0)
if ((n = virXPathNodeSet("./disk[@migrating='yes']", ctxt, &nodes)) < 0)
goto cleanup;
if (n > 0) {
@ -2394,6 +2400,7 @@ qemuDomainObjPrivateXMLParseJob(virDomainObjPtr vm,
ret = 0;
cleanup:
ctxt->node = savedNode;
VIR_FREE(tmp);
VIR_FREE(nodes);
return ret;