1 /*
2  * Copyright (c) 2024 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 OHOS_DSCHED_DATA_BUFFER_H
17 #define OHOS_DSCHED_DATA_BUFFER_H
18 
19 #include <string>
20 
21 namespace OHOS {
22 namespace DistributedSchedule {
23 class DSchedDataBuffer {
24 public:
25     explicit DSchedDataBuffer(size_t capacity);
26     ~DSchedDataBuffer();
27 
28     size_t Size();
29     size_t Offset();
30     size_t Capacity();
31     uint8_t *Data();
32     int32_t SetRange(size_t offset, size_t size);
33 
34 private:
35     static const uint32_t DSCHED_MAX_BUFFER_SIZE = 80 * 1024 * 1024;
36 
37     size_t capacity_ = 0;
38     size_t rangeOffset_ = 0;
39     size_t rangeLength_ = 0;
40     uint8_t *data_ = nullptr;
41 };
42 }  // namespace DistributedSchedule
43 }  // namespace OHOS
44 #endif  // OHOS_DSCHED_DATA_BUFFER_H
45