static void
virDomainSnapshotDiskDefFormat(virBufferPtr buf,
virDomainSnapshotDiskDefPtr disk)
{
int type = disk->src->type;
if (!disk->name)
return;
virBufferEscapeString(buf, "<disk name='%s'", disk->name);
if (disk->snapshot > 0)
virBufferAsprintf(buf, " snapshot='%s'",
virDomainSnapshotLocationTypeToString(disk->snapshot));
if (!disk->src->path && disk->src->format == 0) {
virBufferAddLit(buf, "/>\n");
return;
}
virBufferAsprintf(buf, " type='%s'>\n", virStorageTypeToString(type));
virBufferAdjustIndent(buf, 2);
if (disk->src->format > 0)
virBufferEscapeString(buf, "<driver type='%s'/>\n",
virStorageFileFormatTypeToString(disk->src->format));
virDomainDiskSourceFormat(buf, disk->src, 0, 0);
virBufferAdjustIndent(buf, -2);
virBufferAddLit(buf, "</disk>\n");
}
static int
testBackingXMLjsonXML(const void *args)
{
const struct testBackingXMLjsonXMLdata *data = args;
VIR_AUTOPTR(xmlDoc) xml = NULL;
VIR_AUTOPTR(xmlXPathContext) ctxt = NULL;
VIR_AUTOCLEAN(virBuffer) buf = VIR_BUFFER_INITIALIZER;
VIR_AUTOPTR(virJSONValue) backendprops = NULL;
VIR_AUTOPTR(virJSONValue) wrapper = NULL;
VIR_AUTOFREE(char *) propsstr = NULL;
VIR_AUTOFREE(char *) protocolwrapper = NULL;
VIR_AUTOFREE(char *) actualxml = NULL;
VIR_AUTOUNREF(virStorageSourcePtr) xmlsrc = NULL;
VIR_AUTOUNREF(virStorageSourcePtr) jsonsrc = NULL;
if (!(xmlsrc = virStorageSourceNew()))
return -1;
xmlsrc->type = data->type;
if (!(xml = virXMLParseStringCtxt(data->xml, "(test storage source XML)", &ctxt)))
return -1;
if (virDomainStorageSourceParse(ctxt->node, ctxt, xmlsrc, 0, NULL) < 0) {
fprintf(stderr, "failed to parse disk source xml\n");
return -1;
}
if (!(backendprops = qemuBlockStorageSourceGetBackendProps(xmlsrc, true))) {
fprintf(stderr, "failed to format disk source json\n");
return -1;
}
if (virJSONValueObjectCreate(&wrapper, "a:file", &backendprops, NULL) < 0)
return -1;
if (!(propsstr = virJSONValueToString(wrapper, false)))
return -1;
if (virAsprintf(&protocolwrapper, "json:%s", propsstr) < 0)
return -1;
if (!(jsonsrc = virStorageSourceNewFromBackingAbsolute(protocolwrapper))) {
fprintf(stderr, "failed to parse disk json\n");
return -1;
}
if (virDomainDiskSourceFormat(&buf, jsonsrc, 0, false, 0, NULL) < 0 ||
!(actualxml = virBufferContentAndReset(&buf))) {
fprintf(stderr, "failed to format disk source xml\n");
return -1;
}
if (STRNEQ(actualxml, data->xml)) {
fprintf(stderr, "\n expected storage source xml:\n'%s'\n"
"actual storage source xml:\n%s\n"
"intermediate json:\n%s\n",
data->xml, actualxml, protocolwrapper);
return -1;
}
return 0;
}
