/* 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;
}
virNWFilterVarValuePtr
virNWFilterVarValueCreateSimpleCopyValue(const char *value)
{
char *val;
if (VIR_STRDUP(val, value) < 0)
return NULL;
return virNWFilterVarValueCreateSimple(val);
}
virNWFilterVarValuePtr
virNWFilterVarValueCreateSimpleCopyValue(const char *value)
{
char *val;
virNWFilterVarValuePtr ret;
if (VIR_STRDUP(val, value) < 0)
return NULL;
ret = virNWFilterVarValueCreateSimple(val);
if (!ret)
VIR_FREE(val);
return ret;
}
/**
* virNWFilterVarHashmapAddStdValues:
* @tables: pointer to hash tabel to add values to
* @macaddr: The string of the MAC address to add to the hash table,
* may be NULL
* @ipaddr: The string of the IP address to add to the hash table;
* may be NULL
*
* Returns 0 in case of success, -1 in case an error happened with
* error having been reported.
*
* Adds a couple of standard keys (MAC, IP) to the hash table.
*/
static int
virNWFilterVarHashmapAddStdValues(virNWFilterHashTablePtr table,
char *macaddr,
const virNWFilterVarValuePtr ipaddr)
{
virNWFilterVarValue *val;
if (macaddr) {
val = virNWFilterVarValueCreateSimple(macaddr);
if (!val)
return -1;
if (virHashAddEntry(table->hashTable,
NWFILTER_STD_VAR_MAC,
val) < 0) {
virNWFilterReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("Could not add variable 'MAC' to hashmap"));
return -1;
}
}
if (ipaddr) {
val = virNWFilterVarValueCopy(ipaddr);
if (!val)
return -1;
if (virHashAddEntry(table->hashTable,
NWFILTER_STD_VAR_IP,
val) < 0) {
virNWFilterReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("Could not add variable 'IP' to hashmap"));
return -1;
}
}
return 0;
}
