1 /*
2  * Copyright (C) 2018 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 #ifndef RINGBUFFER_H_
18 #define RINGBUFFER_H_
19 
20 #include <list>
21 #include <vector>
22 
23 namespace android {
24 namespace hardware {
25 namespace wifi {
26 namespace V1_4 {
27 namespace implementation {
28 
29 /**
30  * Ringbuffer object used to store debug data.
31  */
32 class Ringbuffer {
33    public:
34     explicit Ringbuffer(size_t maxSize);
35 
36     // Appends the data buffer and deletes from the front until buffer is
37     // within |maxSize_|.
38     void append(const std::vector<uint8_t>& input);
39     const std::list<std::vector<uint8_t>>& getData() const;
40 
41    private:
42     std::list<std::vector<uint8_t>> data_;
43     size_t size_;
44     size_t maxSize_;
45 };
46 
47 }  // namespace implementation
48 }  // namespace V1_4
49 }  // namespace wifi
50 }  // namespace hardware
51 }  // namespace android
52 
53 #endif  // RINGBUFFER_H_
54