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
24 class NetworkController;
25 class SecondaryTableController;
30 NatController(SecondaryTableController *table_ctrl, NetworkController* net_ctrl);
31 virtual ~NatController();
33 int enableNat(const int argc, char **argv);
34 int disableNat(const int argc, char **argv);
35 int setupIptablesHooks();
37 static const char* LOCAL_FORWARD;
38 static const char* LOCAL_NAT_POSTROUTING;
39 static const char* LOCAL_TETHER_COUNTERS_CHAIN;
41 // List of strings of interface pairs.
42 std::list<std::string> ifacePairList;
46 SecondaryTableController *mSecondaryTableCtrl;
47 NetworkController *mNetCtrl;
49 bool checkTetherCountingRuleExist(const char *pair_name);
52 int runCmd(int argc, const char **argv);
53 int setForwardRules(bool set, const char *intIface, const char *extIface);
54 int setTetherCountingRules(bool add, const char *intIface, const char *extIface);
55 int routesOp(bool add, const char *intIface, const char *extIface, char **argv, int addrCount);