1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef NET_VPN_INTERFACE_H
17 #define NET_VPN_INTERFACE_H
18 
19 #include <atomic>
20 #include <cstdint>
21 #include <sys/socket.h>
22 #include <sys/types.h>
23 
24 namespace OHOS {
25 namespace NetManagerStandard {
26 class VpnInterface {
27 public:
28     VpnInterface() = default;
29     ~VpnInterface() = default;
30 
31 public:
32     int32_t GetVpnInterfaceFd();
33     void CloseVpnInterfaceFd();
34 
35 private:
36     int32_t ConnectControl(int32_t sockfd, int32_t nsec);
37     int32_t RecvMsgFromUnixServer(int32_t sockfd);
38 
39 private:
40     std::atomic_int tunFd_{0};
41 };
42 } // namespace NetManagerStandard
43 } // namespace OHOS
44 #endif // NET_VPN_INTERFACE_H
45