1 /*
2  * Copyright (C) 2020 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 
17 #pragma once
18 
19 #include <net/if.h>
20 
21 #include <string>
22 
23 namespace android::netdevice::ifreqs {
24 
25 /**
26  * \see useSocketDomain()
27  */
28 extern std::atomic_int socketDomain;
29 
30 /**
31  * Sends ioctl interface request.
32  *
33  * \param request Request type (such as SIOCGIFFLAGS)
34  * \param ifr Request data (both input and output)
35  * \return true if the call succeeded, false otherwise
36  */
37 bool send(unsigned long request, struct ifreq& ifr);
38 
39 /**
40  * Initializes interface request with interface name.
41  *
42  * \param ifname Interface to initialize request with
43  * \return Interface request with ifr_name field set to ifname
44  */
45 struct ifreq fromName(const std::string& ifname);
46 
47 }  // namespace android::netdevice::ifreqs
48