conf: Refactor virDomainDiskDefMirrorParse

Use virDomainStorageSourceParseBase and other tricks.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2019-03-20 17:33:29 +01:00
parent 54b36c03a0
commit 944d09fa3e

View File

@ -9306,13 +9306,13 @@ virDomainDiskDefMirrorParse(virDomainDiskDefPtr def,
virDomainXMLOptionPtr xmlopt)
{
xmlNodePtr mirrorNode;
VIR_XPATH_NODE_AUTORESTORE(ctxt);
VIR_AUTOFREE(char *) mirrorFormat = NULL;
VIR_AUTOFREE(char *) mirrorType = NULL;
VIR_AUTOFREE(char *) ready = NULL;
VIR_AUTOFREE(char *) blockJob = NULL;
if (!(def->mirror = virStorageSourceNew()))
return -1;
ctxt->node = cur;
if ((blockJob = virXMLPropString(cur, "job"))) {
if ((def->mirrorJob = virDomainBlockJobTypeFromString(blockJob)) <= 0) {
@ -9325,35 +9325,8 @@ virDomainDiskDefMirrorParse(virDomainDiskDefPtr def,
}
if ((mirrorType = virXMLPropString(cur, "type"))) {
if ((def->mirror->type = virStorageTypeFromString(mirrorType)) <= 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unknown mirror backing store type '%s'"),
mirrorType);
return -1;
}
mirrorFormat = virXPathString("string(./mirror/format/@type)", ctxt);
if (!(mirrorNode = virXPathNode("./mirror/source", ctxt))) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("mirror requires source element"));
return -1;
}
if (virDomainStorageSourceParse(mirrorNode, ctxt, def->mirror,
flags, xmlopt) < 0)
return -1;
mirrorFormat = virXPathString("string(./format/@type)", ctxt);
} else {
/* For back-compat reasons, we handle a file name
* encoded as attributes, even though we prefer
* modern output in the style of backingStore */
def->mirror->type = VIR_STORAGE_TYPE_FILE;
def->mirror->path = virXMLPropString(cur, "file");
if (!def->mirror->path) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("mirror requires file name"));
return -1;
}
if (def->mirrorJob != VIR_DOMAIN_BLOCK_JOB_TYPE_COPY) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("mirror without type only supported "
@ -9363,11 +9336,26 @@ virDomainDiskDefMirrorParse(virDomainDiskDefPtr def,
mirrorFormat = virXMLPropString(cur, "format");
}
if (mirrorFormat) {
def->mirror->format = virStorageFileFormatTypeFromString(mirrorFormat);
if (def->mirror->format <= 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unknown mirror format value '%s'"), mirrorFormat);
if (!(def->mirror = virDomainStorageSourceParseBase(mirrorType, mirrorFormat, NULL)))
return -1;
if (mirrorType) {
if (!(mirrorNode = virXPathNode("./source", ctxt))) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("mirror requires source element"));
return -1;
}
if (virDomainStorageSourceParse(mirrorNode, ctxt, def->mirror, flags,
xmlopt) < 0)
return -1;
} else {
/* For back-compat reasons, we handle a file name encoded as
* attributes, even though we prefer modern output in the style of
* backingStore */
if (!(def->mirror->path = virXMLPropString(cur, "file"))) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("mirror requires file name"));
return -1;
}
}