static int
nwfilterUndefine(virNWFilterPtr obj) {
virNWFilterDriverStatePtr driver = obj->conn->nwfilterPrivateData;
virNWFilterObjPtr nwfilter;
int ret = -1;
nwfilterDriverLock(driver);
virNWFilterCallbackDriversLock();
virNWFilterLockFilterUpdates();
nwfilter = virNWFilterObjFindByUUID(&driver->nwfilters, obj->uuid);
if (!nwfilter) {
virNWFilterReportError(VIR_ERR_NO_NWFILTER,
"%s", _("no nwfilter with matching uuid"));
goto cleanup;
}
if (virNWFilterTestUnassignDef(obj->conn, nwfilter)) {
virNWFilterReportError(VIR_ERR_OPERATION_INVALID,
"%s",
_("nwfilter is in use"));
goto cleanup;
}
if (virNWFilterObjDeleteDef(nwfilter) < 0)
goto cleanup;
VIR_FREE(nwfilter->configFile);
virNWFilterObjRemove(&driver->nwfilters, nwfilter);
nwfilter = NULL;
ret = 0;
cleanup:
if (nwfilter)
virNWFilterObjUnlock(nwfilter);
virNWFilterUnlockFilterUpdates();
virNWFilterCallbackDriversUnlock();
nwfilterDriverUnlock(driver);
return ret;
}
int
virNWFilterInstantiateFilterLate(virConnectPtr conn,
const char *ifname,
int ifindex,
const char *linkdev,
enum virDomainNetType nettype,
const unsigned char *macaddr,
const char *filtername,
virNWFilterHashTablePtr filterparams,
virNWFilterDriverStatePtr driver)
{
int rc;
bool foundNewFilter = false;
virNWFilterLockFilterUpdates();
rc = __virNWFilterInstantiateFilter(conn,
1,
ifname,
ifindex,
linkdev,
nettype,
macaddr,
filtername,
filterparams,
INSTANTIATE_ALWAYS,
driver,
true,
&foundNewFilter);
if (rc) {
/* something went wrong... 'DOWN' the interface */
if (ifaceCheck(false, ifname, NULL, ifindex) != 0 ||
ifaceDown(ifname)) {
/* assuming interface disappeared... */
_virNWFilterTeardownFilter(ifname);
}
}
virNWFilterUnlockFilterUpdates();
return rc;
}
static int
_virNWFilterInstantiateFilter(virConnectPtr conn,
const virDomainNetDefPtr net,
bool teardownOld,
enum instCase useNewFilter,
bool *foundNewFilter)
{
const char *linkdev = (net->type == VIR_DOMAIN_NET_TYPE_DIRECT)
? net->data.direct.linkdev
: NULL;
int ifindex;
int rc;
if (ifaceGetIndex(true, net->ifname, &ifindex))
return 1;
virNWFilterLockFilterUpdates();
rc = __virNWFilterInstantiateFilter(conn,
teardownOld,
net->ifname,
ifindex,
linkdev,
net->type,
net->mac,
net->filter,
net->filterparams,
useNewFilter,
conn->nwfilterPrivateData,
false,
foundNewFilter);
virNWFilterUnlockFilterUpdates();
return rc;
}
