blob: 13da05cb34a78faf5674de04440b029410022eeb [file] [log] [blame]
/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _TETHER_CONTROLLER_H
#define _TETHER_CONTROLLER_H
#include <netinet/in.h>
#include <list>
#include <set>
#include <string>
namespace android {
namespace net {
class TetherController {
private:
std::list<std::string> mInterfaces;
// NetId to use for forwarded DNS queries. This may not be the default
// network, e.g., in the case where we are tethering to a DUN APN.
unsigned mDnsNetId;
std::list<std::string> mDnsForwarders;
pid_t mDaemonPid;
int mDaemonFd;
std::set<std::string> mForwardingRequests;
public:
TetherController();
virtual ~TetherController();
bool enableForwarding(const char* requester);
bool disableForwarding(const char* requester);
size_t forwardingRequestCount();
int startTethering(int num_addrs, char **dhcp_ranges);
int stopTethering();
bool isTetheringStarted();
unsigned getDnsNetId();
int setDnsForwarders(unsigned netId, char **servers, int numServers);
const std::list<std::string> &getDnsForwarders() const;
int tetherInterface(const char *interface);
int untetherInterface(const char *interface);
const std::list<std::string> &getTetheredInterfaceList() const;
bool applyDnsInterfaces();
private:
bool setIpFwdEnabled();
};
} // namespace net
} // namespace android
#endif