1 /*
2  * Copyright (c) 2021 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 RAW_STREAM_DATA_H
17 #define RAW_STREAM_DATA_H
18 
19 #include <cstdint>
20 #include <memory>
21 #include <sys/types.h>
22 
23 #include "i_stream.h"
24 
25 namespace Communication {
26 namespace SoftBus {
27 class RawStreamData : public IStream {
28 public:
29     RawStreamData() = default;
30     ~RawStreamData() override = default;
31     static constexpr int BYTE_TO_BIT = 8;
32     static constexpr int INT_TO_BYTE = 0xff;
33     static constexpr int FRAME_HEADER_LEN = 4;
34 
35     int InitStreamData(std::unique_ptr<char[]> buffer, ssize_t bufLen, std::unique_ptr<char[]> extBuffer,
36         ssize_t extLen);
37 
38     std::unique_ptr<char[]> GetBuffer() override;
39     ssize_t GetBufferLen() const override;
40 
41     static void InsertBufferLength(int num, int length, uint8_t *output);
42 
43 private:
SetTimeStamp(uint32_t timestamp)44     void SetTimeStamp(uint32_t timestamp) override
45     {
46         static_cast<void>(timestamp);
47     }
GetTimeStamp()48     uint32_t GetTimeStamp() const override
49     {
50         return 0;
51     }
52 
GetExtBuffer()53     std::unique_ptr<char[]> GetExtBuffer() override
54     {
55         return nullptr;
56     }
57 
GetExtBufferLen()58     ssize_t GetExtBufferLen() const override
59     {
60         return 0;
61     }
62 
GetSeqNum()63     int GetSeqNum() const override
64     {
65         return 0;
66     }
67 
GetStreamId()68     uint32_t GetStreamId() const override
69     {
70         return 0;
71     }
72 
GetStreamFrameInfo()73     const StreamFrameInfo* GetStreamFrameInfo() const override
74     {
75         return nullptr;
76     }
77 
78     std::unique_ptr<char[]> streamData_ = nullptr;
79     ssize_t streamLen_ = 0;
80 };
81 } // namespace SoftBus
82 } // namespace Communication
83 #endif