1 /* 2 * Copyright (c) Huawei Technologies Co., Ltd. 2021-2023. All rights reserved. 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 WRITER_H 17 #define WRITER_H 18 19 #include <stddef.h> 20 #include "plugin_module_api.h" 21 22 class Writer { 23 public: ~Writer()24 virtual ~Writer() {} 25 virtual long Write(const void* data, size_t size) = 0; 26 virtual bool Flush() = 0; SetClockId(clockid_t clockId)27 virtual void SetClockId(clockid_t clockId) {} 28 UseMemory(int32_t size)29 virtual void UseMemory(int32_t size) {} 30 StartReport()31 virtual RandomWriteCtx* StartReport() 32 { 33 return nullptr; 34 } FinishReport(int32_t size)35 virtual void FinishReport(int32_t size) {} 36 ResetPos()37 virtual void ResetPos() {} GetCtx()38 virtual RandomWriteCtx* GetCtx() 39 { 40 return nullptr; 41 } 42 }; 43 44 #endif // !WRITER_H 45