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interface: clean up virInterfaceDefParseXML

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the switch cases for the 4 different interface types had repetitive
code which has now been pulled out as common. While touching those
lines, some extra usage of "!= NULL" etc has been eliminated to make
things more compact and inline with current coding practices.

NB: parentIfType == VIR_INTERFACE_TYPE_LAST means that this is a
toplevel interface (not a subordinate of a bridge or bond). Only
toplevel interfaces can have a start mode, mtu, or IP address element.
This commit is contained in:
Laine Stump 2014-06-19 12:51:38 +03:00
parent 7edc46ac26
commit 3aa8197393
1 changed files with 18 additions and 50 deletions
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68
src/conf/interface_conf.c
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@ -724,6 +724,19 @@ virInterfaceDefParseXML(xmlXPathContextPtr ctxt, int parentIfType)
}
def->type = type;
if (virInterfaceDefParseName(def, ctxt) < 0)
goto error;
if (parentIfType == VIR_INTERFACE_TYPE_LAST) {
/* only recognize these in toplevel bond interfaces */
if (virInterfaceDefParseStartMode(def, ctxt) < 0)
goto error;
if (virInterfaceDefParseMtu(def, ctxt) < 0)
goto error;
if (virInterfaceDefParseIfAdressing(def, ctxt) < 0)
goto error;
}
if (type != VIR_INTERFACE_TYPE_BRIDGE) {
/* link status makes no sense for a bridge */
lnk = virXPathNode("./link", ctxt);
@ -732,38 +745,14 @@ virInterfaceDefParseXML(xmlXPathContextPtr ctxt, int parentIfType)
}
switch (type) {
case VIR_INTERFACE_TYPE_ETHERNET: {
if (virInterfaceDefParseName(def, ctxt) < 0)
goto error;
tmp = virXPathString("string(./mac/@address)", ctxt);
if (tmp != NULL)
case VIR_INTERFACE_TYPE_ETHERNET:
if ((tmp = virXPathString("string(./mac/@address)", ctxt)))
def->mac = tmp;
if (parentIfType == VIR_INTERFACE_TYPE_LAST) {
/* only recognize these in toplevel bond interfaces */
if (virInterfaceDefParseStartMode(def, ctxt) < 0)
goto error;
if (virInterfaceDefParseMtu(def, ctxt) < 0)
goto error;
if (virInterfaceDefParseIfAdressing(def, ctxt) < 0)
goto error;
}
break;
}
case VIR_INTERFACE_TYPE_BRIDGE: {
xmlNodePtr bridge;
if (virInterfaceDefParseName(def, ctxt) < 0)
goto error;
if (virInterfaceDefParseStartMode(def, ctxt) < 0)
goto error;
if (virInterfaceDefParseMtu(def, ctxt) < 0)
goto error;
if (virInterfaceDefParseIfAdressing(def, ctxt) < 0)
goto error;
bridge = virXPathNode("./bridge[1]", ctxt);
if (bridge == NULL) {
if (!(bridge = virXPathNode("./bridge[1]", ctxt))) {
virReportError(VIR_ERR_XML_ERROR,
"%s", _("bridge interface misses the bridge element"));
goto error;
@ -776,20 +765,7 @@ virInterfaceDefParseXML(xmlXPathContextPtr ctxt, int parentIfType)
case VIR_INTERFACE_TYPE_BOND: {
xmlNodePtr bond;
if (virInterfaceDefParseName(def, ctxt) < 0)
goto error;
if (parentIfType == VIR_INTERFACE_TYPE_LAST) {
/* only recognize these in toplevel bond interfaces */
if (virInterfaceDefParseStartMode(def, ctxt) < 0)
goto error;
if (virInterfaceDefParseMtu(def, ctxt) < 0)
goto error;
if (virInterfaceDefParseIfAdressing(def, ctxt) < 0)
goto error;
}
bond = virXPathNode("./bond[1]", ctxt);
if (bond == NULL) {
if (!(bond = virXPathNode("./bond[1]", ctxt))) {
virReportError(VIR_ERR_XML_ERROR,
"%s", _("bond interface misses the bond element"));
goto error;
@ -802,15 +778,7 @@ virInterfaceDefParseXML(xmlXPathContextPtr ctxt, int parentIfType)
case VIR_INTERFACE_TYPE_VLAN: {
xmlNodePtr vlan;
tmp = virXPathString("string(./@name)", ctxt);
if (tmp != NULL)
def->name = tmp;
if (virInterfaceDefParseStartMode(def, ctxt) < 0)
goto error;
if (virInterfaceDefParseIfAdressing(def, ctxt) < 0)
goto error;
vlan = virXPathNode("./vlan[1]", ctxt);
if (vlan == NULL) {
if (!(vlan = virXPathNode("./vlan[1]", ctxt))) {
virReportError(VIR_ERR_XML_ERROR,
"%s", _("vlan interface misses the vlan element"));
goto error;