/* Add an IP address to the list of IP addresses an interface is
* known to use. This function feeds the per-interface cache that
* is used to instantiate filters with variable '$IP'.
*
* @ifname: The name of the (tap) interface
* @addr: An IPv4 address in dotted decimal format that the (tap)
* interface is known to use.
*
* This function returns 0 on success, -1 otherwise
*/
int
virNWFilterIPAddrMapAddIPAddr(const char *ifname, char *addr)
{
int ret = -1;
virNWFilterVarValuePtr val;
virMutexLock(&ipAddressMapLock);
val = virHashLookup(ipAddressMap->hashTable, ifname);
if (!val) {
val = virNWFilterVarValueCreateSimple(addr);
if (!val) {
virReportOOMError();
goto cleanup;
}
ret = virNWFilterHashTablePut(ipAddressMap, ifname, val, 1);
goto cleanup;
} else {
if (virNWFilterVarValueAddValue(val, addr) < 0)
goto cleanup;
}
ret = 0;
cleanup:
virMutexUnlock(&ipAddressMapLock);
return ret;
}
int
virNWFilterVarValueAddValueCopy(virNWFilterVarValuePtr val, const char *value)
{
char *valdup;
if (VIR_STRDUP(valdup, value) < 0)
return -1;
if (virNWFilterVarValueAddValue(val, valdup) < 0) {
VIR_FREE(valdup);
return -1;
}
return 0;
}
