1 /*
2  * Copyright (c) 2022-2023 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 CIRCLE_STREAM_BUFFER_H
17 #define CIRCLE_STREAM_BUFFER_H
18 
19 #include "stream_buffer.h"
20 
21 #undef LOG_TAG
22 #define LOG_TAG "CircleStreamBuffer"
23 
24 namespace OHOS {
25 namespace Msdp {
26 class CircleStreamBuffer : public StreamBuffer {
27 public:
28     CircleStreamBuffer() = default;
29     DISALLOW_MOVE(CircleStreamBuffer);
30     virtual ~CircleStreamBuffer() = default;
31 
32     bool CheckWrite(size_t size);
33     virtual bool Write(const char *buf, size_t size) override;
34 
35 protected:
36     void CopyDataToBegin();
37 };
38 } // namespace Msdp
39 } // namespace OHOS
40 #endif // CIRCLE_STREAM_BUFFER_H