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 
17 #ifndef _INTERFACE_CONTROLLER_H
18 #define _INTERFACE_CONTROLLER_H
19 
20 #include <string>
21 
22 class InterfaceController {
23 public:
24     static void initializeAll();
25 
26     static int setEnableIPv6(const char *interface, const int on);
27     static int setAcceptIPv6Ra(const char *interface, const int on);
28     static int setAcceptIPv6Dad(const char *interface, const int on);
29     static int setIPv6DadTransmits(const char *interface, const char *value);
30     static int setIPv6PrivacyExtensions(const char *interface, const int on);
31     static int setIPv6NdOffload(char* interface, const int on);
32     static int setMtu(const char *interface, const char *mtu);
33     static int addAddress(const char *interface, const char *addrString, int prefixLength);
34     static int delAddress(const char *interface, const char *addrString, int prefixLength);
35 
36     // Read and write values in files of the form:
37     //     /proc/sys/net/<family>/<which>/<interface>/<parameter>
38     static int getParameter(
39             const char *family, const char *which, const char *interface, const char *parameter,
40             std::string *value);
41     static int setParameter(
42             const char *family, const char *which, const char *interface, const char *parameter,
43             const char *value);
44 
45 private:
46     static void setAcceptRA(const char* value);
47     static void setAcceptRARouteTable(int tableOrOffset);
48     static void setBaseReachableTimeMs(unsigned int millis);
49     static void setIPv6OptimisticMode(const char *value);
50 
51     InterfaceController() = delete;
52     ~InterfaceController() = delete;
53 };
54 
55 #endif
56