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 "NetlinkProtocol.h"
20 
21 namespace android::nl::protocols {
22 
23 /**
24  * Protocol definition lookup.
25  *
26  * \param protocol Protocol identifier from linux/netlink.h
27  * \return Protocol definition or nullopt if it's not implemented
28  */
29 std::optional<std::reference_wrapper<NetlinkProtocol>> get(int protocol);
30 
31 }  // namespace android::nl::protocols
32