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 "../MessageDefinition.h"
20 
21 #include <libnl++/printer.h>
22 
23 namespace android::nl::protocols::base {
24 
25 // no-payload (like NLMSG_NOOP) messages can't be defined with T=void, so let's use char
26 class Empty : public MessageDefinition<char> {
27   public:
28     Empty();
29     void toStream(std::stringstream&, const char&) const override;
30 };
31 
32 }  // namespace android::nl::protocols::base
33