| /* |
| * 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 |