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/*
* Copyright 2017 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.
*
* tun_interface.h - creates tun or tap interfaces for testing purposes
*/
#ifndef _SYSTEM_NETD_TESTS_TUN_INTERACE_H
#define _SYSTEM_NETD_TESTS_TUN_INTERACE_H
namespace android {
namespace net {
class TunInterface {
public:
TunInterface() = default;
~TunInterface() { destroy(); }
// Creates a tun or tap interface. Returns 0 on success or -errno on failure. Must succeed
// before it is legal to call any of the other methods in this class.
int init(const std::string& ifName, bool isTap);
// Convenience overloads.
int init() { return init("", false); }
int init(const std::string& ifName) { return init(ifName, false); }
int init(bool isTap) { return init("", isTap); }
void destroy();
const std::string& name() const { return mIfName; }
int ifindex() const { return mIfIndex; }
const in6_addr& srcAddr() const { return mSrcAddr; }
const in6_addr& dstAddr() const { return mDstAddr; }
int addAddress(const std::string& addr, int prefixlen);
int getFdForTesting() const { return mFd; }
private:
int mFd = -1;
std::string mIfName;
int mIfIndex;
in6_addr mSrcAddr, mDstAddr;
};
} // namespace net
} // namespace android
#endif