1 /*
2  * Copyright 2017 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  * tun_interface.h - creates tun interfaces for testing purposes
17  */
18 
19 #ifndef _SYSTEM_NETD_TESTS_TUN_INTERACE_H
20 #define _SYSTEM_NETD_TESTS_TUN_INTERACE_H
21 
22 namespace android {
23 namespace net {
24 
25 class TunInterface {
26 public:
27     TunInterface() = default;
~TunInterface()28     ~TunInterface() { destroy(); }
29 
30     // Creates a tun interface. Returns 0 on success or -errno on failure. Must succeed before it is
31     // legal to call any of the other methods in this class.
32     int init();
33     void destroy();
34 
name()35     const std::string& name() const { return mIfName; }
ifindex()36     int ifindex() const { return mIfIndex; }
srcAddr()37     const in6_addr& srcAddr() const { return mSrcAddr; }
dstAddr()38     const in6_addr& dstAddr() const { return mDstAddr; }
39 
40 private:
41     int mFd = -1;
42     std::string mIfName;
43     int mIfIndex;
44     in6_addr mSrcAddr, mDstAddr;
45 };
46 
47 }  // namespace net
48 }  // namespace android
49 
50 #endif
51