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 _TETHER_CONTROLLER_H
18 #define _TETHER_CONTROLLER_H
20 #include <netinet/in.h>
26 typedef std::list<char *> InterfaceCollection;
27 typedef std::list<std::string> NetAddressCollection;
29 class TetherController {
30 InterfaceCollection *mInterfaces;
31 // NetId to use for forwarded DNS queries. This may not be the default
32 // network, e.g., in the case where we are tethering to a DUN APN.
34 NetAddressCollection *mDnsForwarders;
37 std::set<std::string> mForwardingRequests;
41 virtual ~TetherController();
43 bool enableForwarding(const char* requester);
44 bool disableForwarding(const char* requester);
45 size_t forwardingRequestCount();
47 int startTethering(int num_addrs, char **dhcp_ranges);
49 bool isTetheringStarted();
51 unsigned getDnsNetId();
52 int setDnsForwarders(unsigned netId, char **servers, int numServers);
53 NetAddressCollection *getDnsForwarders();
55 int tetherInterface(const char *interface);
56 int untetherInterface(const char *interface);
57 InterfaceCollection *getTetheredInterfaceList();
60 int applyDnsInterfaces();
61 bool setIpFwdEnabled();