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60 lines
1.9 KiB
60 lines
1.9 KiB
/* |
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* Copyright (C) 2008 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#ifndef _NAT_CONTROLLER_H |
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#define _NAT_CONTROLLER_H |
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#include <list> |
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#include <string> |
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#include "NetdConstants.h" |
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class NatController { |
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public: |
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NatController(); |
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virtual ~NatController(); |
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int enableNat(const char* intIface, const char* extIface); |
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int disableNat(const char* intIface, const char* extIface); |
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int setupIptablesHooks(); |
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static const char* LOCAL_FORWARD; |
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static const char* LOCAL_MANGLE_FORWARD; |
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static const char* LOCAL_NAT_POSTROUTING; |
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static const char* LOCAL_RAW_PREROUTING; |
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static const char* LOCAL_TETHER_COUNTERS_CHAIN; |
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// List of strings of interface pairs. |
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std::list<std::string> ifacePairList; |
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private: |
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int natCount; |
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static std::string makeTetherCountingRule(const char *if1, const char *if2); |
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bool checkTetherCountingRuleExist(const std::string& pair_name); |
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int setDefaults(); |
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int runCmd(int argc, const char **argv); |
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int setForwardRules(bool set, const char *intIface, const char *extIface); |
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int setTetherCountingRules(bool add, const char *intIface, const char *extIface); |
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// For testing. |
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friend class NatControllerTest; |
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static int (*execFunction)(int, char **, int *, bool, bool); |
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static int (*iptablesRestoreFunction)(IptablesTarget, const std::string&); |
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}; |
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#endif
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