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virDomainHostdevDefFormatSubsys: Use virXMLFormatElement

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Refactor the formatter to the new multiple buffer based approach so that
we can easily separate it into formatters per subsys type.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2020-07-10 12:11:33 +02:00
parent 97b6fd8911
commit 6885542369
1 changed files with 27 additions and 38 deletions
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65
src/conf/domain_conf.c
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@ -26030,7 +26030,9 @@ virDomainHostdevDefFormatSubsys(virBufferPtr buf,
bool includeTypeInAddr,
virDomainXMLOptionPtr xmlopt)
{
bool closedSource = false;
g_auto(virBuffer) sourceAttrBuf = VIR_BUFFER_INITIALIZER;
g_auto(virBuffer) sourceChildBuf = VIR_BUFFER_INIT_CHILD(buf);
g_auto(virBuffer) origstatesChildBuf = VIR_BUFFER_INIT_CHILD(&sourceChildBuf);
virDomainHostdevSubsysUSBPtr usbsrc = &def->source.subsys.u.usb;
virDomainHostdevSubsysPCIPtr pcisrc = &def->source.subsys.u.pci;
virDomainHostdevSubsysSCSIPtr scsisrc = &def->source.subsys.u.scsi;
@ -26053,18 +26055,17 @@ virDomainHostdevDefFormatSubsys(virBufferPtr buf,
virBufferAsprintf(buf, "<driver name='%s'/>\n", backend);
}
virBufferAddLit(buf, "<source");
if (def->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB) {
if (def->startupPolicy) {
const char *policy;
policy = virDomainStartupPolicyTypeToString(def->startupPolicy);
virBufferAsprintf(buf, " startupPolicy='%s'", policy);
virBufferAsprintf(&sourceAttrBuf, " startupPolicy='%s'", policy);
}
if (usbsrc->autoAddress && (flags & VIR_DOMAIN_DEF_FORMAT_MIGRATABLE))
virBufferAddLit(buf, " autoAddress='yes'");
virBufferAddLit(&sourceAttrBuf, " autoAddress='yes'");
if (def->missing && !(flags & VIR_DOMAIN_DEF_FORMAT_INACTIVE))
virBufferAddLit(buf, " missing='yes'");
virBufferAddLit(&sourceAttrBuf, " missing='yes'");
}
if (def->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI &&
@ -26072,69 +26073,59 @@ virDomainHostdevDefFormatSubsys(virBufferPtr buf,
const char *protocol =
virDomainHostdevSubsysSCSIProtocolTypeToString(scsisrc->protocol);
virBufferAsprintf(buf, " protocol='%s' name='%s'",
virBufferAsprintf(&sourceAttrBuf, " protocol='%s' name='%s'",
protocol, iscsisrc->src->path);
}
if (def->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI_HOST) {
const char *protocol =
virDomainHostdevSubsysSCSIHostProtocolTypeToString(hostsrc->protocol);
closedSource = true;
virBufferAsprintf(buf, " protocol='%s' wwpn='%s'/",
virBufferAsprintf(&sourceAttrBuf, " protocol='%s' wwpn='%s'",
protocol, hostsrc->wwpn);
}
virBufferAddLit(buf, ">\n");
virBufferAdjustIndent(buf, 2);
switch (def->source.subsys.type) {
case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB:
if (usbsrc->vendor) {
virBufferAsprintf(buf, "<vendor id='0x%.4x'/>\n", usbsrc->vendor);
virBufferAsprintf(buf, "<product id='0x%.4x'/>\n", usbsrc->product);
virBufferAsprintf(&sourceChildBuf, "<vendor id='0x%.4x'/>\n", usbsrc->vendor);
virBufferAsprintf(&sourceChildBuf, "<product id='0x%.4x'/>\n", usbsrc->product);
}
if (usbsrc->bus || usbsrc->device) {
virBufferAsprintf(buf, "<address %sbus='%d' device='%d'/>\n",
virBufferAsprintf(&sourceChildBuf, "<address %sbus='%d' device='%d'/>\n",
includeTypeInAddr ? "type='usb' " : "",
usbsrc->bus, usbsrc->device);
}
break;
case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI:
virPCIDeviceAddressFormat(buf, pcisrc->addr,
virPCIDeviceAddressFormat(&sourceChildBuf, pcisrc->addr,
includeTypeInAddr);
if ((flags & VIR_DOMAIN_DEF_FORMAT_PCI_ORIG_STATES) &&
(def->origstates.states.pci.unbind_from_stub ||
def->origstates.states.pci.remove_slot ||
def->origstates.states.pci.reprobe)) {
virBufferAddLit(buf, "<origstates>\n");
virBufferAdjustIndent(buf, 2);
if ((flags & VIR_DOMAIN_DEF_FORMAT_PCI_ORIG_STATES)) {
if (def->origstates.states.pci.unbind_from_stub)
virBufferAddLit(buf, "<unbind/>\n");
virBufferAddLit(&origstatesChildBuf, "<unbind/>\n");
if (def->origstates.states.pci.remove_slot)
virBufferAddLit(buf, "<removeslot/>\n");
virBufferAddLit(&origstatesChildBuf, "<removeslot/>\n");
if (def->origstates.states.pci.reprobe)
virBufferAddLit(buf, "<reprobe/>\n");
virBufferAdjustIndent(buf, -2);
virBufferAddLit(buf, "</origstates>\n");
virBufferAddLit(&origstatesChildBuf, "<reprobe/>\n");
virXMLFormatElement(&sourceChildBuf, "origstates", NULL, &origstatesChildBuf);
}
break;
case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI:
if (scsisrc->protocol == VIR_DOMAIN_HOSTDEV_SCSI_PROTOCOL_TYPE_ISCSI) {
virBufferAddLit(buf, "<host");
virBufferEscapeString(buf, " name='%s'", iscsisrc->src->hosts[0].name);
virBufferAddLit(&sourceChildBuf, "<host");
virBufferEscapeString(&sourceChildBuf, " name='%s'", iscsisrc->src->hosts[0].name);
if (iscsisrc->src->hosts[0].port)
virBufferAsprintf(buf, " port='%u'", iscsisrc->src->hosts[0].port);
virBufferAddLit(buf, "/>\n");
virBufferAsprintf(&sourceChildBuf, " port='%u'", iscsisrc->src->hosts[0].port);
virBufferAddLit(&sourceChildBuf, "/>\n");
if (virDomainDiskSourceFormatPrivateData(buf, iscsisrc->src,
if (virDomainDiskSourceFormatPrivateData(&sourceChildBuf, iscsisrc->src,
flags, xmlopt) < 0)
return -1;
} else {
virBufferAsprintf(buf, "<adapter name='%s'/>\n",
virBufferAsprintf(&sourceChildBuf, "<adapter name='%s'/>\n",
scsihostsrc->adapter);
virBufferAsprintf(buf,
virBufferAsprintf(&sourceChildBuf,
"<address %sbus='%u' target='%u' unit='%llu'/>\n",
includeTypeInAddr ? "type='scsi' " : "",
scsihostsrc->bus, scsihostsrc->target,
@ -26144,7 +26135,7 @@ virDomainHostdevDefFormatSubsys(virBufferPtr buf,
case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI_HOST:
break;
case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_MDEV:
virBufferAsprintf(buf, "<address uuid='%s'/>\n",
virBufferAsprintf(&sourceChildBuf, "<address uuid='%s'/>\n",
mdevsrc->uuidstr);
break;
default:
@ -26157,11 +26148,9 @@ virDomainHostdevDefFormatSubsys(virBufferPtr buf,
if (def->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI &&
scsisrc->protocol == VIR_DOMAIN_HOSTDEV_SCSI_PROTOCOL_TYPE_ISCSI &&
iscsisrc->src->auth)
virStorageAuthDefFormat(buf, iscsisrc->src->auth);
virStorageAuthDefFormat(&sourceChildBuf, iscsisrc->src->auth);
virBufferAdjustIndent(buf, -2);
if (!closedSource)
virBufferAddLit(buf, "</source>\n");
virXMLFormatElement(buf, "source", &sourceAttrBuf, &sourceChildBuf);
return 0;
}