2 * Copyright (C) 2008 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef _NAT_CONTROLLER_H
18 #define _NAT_CONTROLLER_H
27 virtual ~NatController();
29 int enableNat(const char* intIface, const char* extIface);
30 int disableNat(const char* intIface, const char* extIface);
31 int setupIptablesHooks();
33 static const char* LOCAL_FORWARD;
34 static const char* LOCAL_MANGLE_FORWARD;
35 static const char* LOCAL_NAT_POSTROUTING;
36 static const char* LOCAL_TETHER_COUNTERS_CHAIN;
38 // List of strings of interface pairs.
39 std::list<std::string> ifacePairList;
44 bool checkTetherCountingRuleExist(const char *pair_name);
47 int runCmd(int argc, const char **argv);
48 int setForwardRules(bool set, const char *intIface, const char *extIface);
49 int setTetherCountingRules(bool add, const char *intIface, const char *extIface);