1/*
2 * Copyright (C) 2008 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 _TETHER_CONTROLLER_H
18#define _TETHER_CONTROLLER_H
19
20#include <netinet/in.h>
21
22#include "List.h"
23
24typedef android::netd::List<char *> InterfaceCollection;
25typedef android::netd::List<struct in_addr> NetAddressCollection;
26
27class TetherController {
28    InterfaceCollection  *mInterfaces;
29    NetAddressCollection *mDnsForwarders;
30    pid_t                 mDaemonPid;
31    int                   mDaemonFd;
32
33public:
34    TetherController();
35    virtual ~TetherController();
36
37    int setIpFwdEnabled(bool enable);
38    bool getIpFwdEnabled();
39
40    int startTethering(int num_addrs, struct in_addr* addrs);
41
42    int stopTethering();
43    bool isTetheringStarted();
44
45    int setDnsForwarders(char **servers, int numServers);
46    NetAddressCollection *getDnsForwarders();
47
48    int tetherInterface(const char *interface);
49    int untetherInterface(const char *interface);
50    InterfaceCollection *getTetheredInterfaceList();
51
52private:
53    int applyDnsInterfaces();
54};
55
56#endif
57