1 /*
2  * Copyright (C) 2012 The Android Open Source Project
3  *
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
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
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.
15  */
16 #ifndef _IDLETIMER_CONTROLLER_H
17 #define _IDLETIMER_CONTROLLER_H
18 
19 #include <stdint.h>
20 
21 #include "NetdConstants.h"
22 
23 class IdletimerController {
24 public:
25 
26     IdletimerController();
27     virtual ~IdletimerController();
28 
29     int addInterfaceIdletimer(const char *iface, uint32_t timeout,
30                               const char *classLabel);
31     int removeInterfaceIdletimer(const char *iface, uint32_t timeout,
32                                  const char *classLabel);
33     bool setupIptablesHooks();
34 
35     static const char* LOCAL_RAW_PREROUTING;
36     static const char* LOCAL_MANGLE_POSTROUTING;
37     std::mutex lock;
38 
39   private:
40     enum IptOp { IptOpAdd, IptOpDelete };
41     int runIpxtablesCmd(int argc, const char **cmd);
42     int modifyInterfaceIdletimer(IptOp op, const char *iface, uint32_t timeout,
43                                  const char *classLabel);
44 
45     friend class IdletimerControllerTest;
46     static int (*execIptablesRestore)(IptablesTarget, const std::string&);
47 };
48 
49 #endif
50