1 /* 2 * Copyright (c) 2021-2023 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 ECMASCRIPT_DFX_HPROF_STREAM_H 17 #define ECMASCRIPT_DFX_HPROF_STREAM_H 18 19 namespace panda::ecmascript { 20 class HeapStat { 21 public: HeapStat(int32_t index,int32_t count,int32_t size)22 HeapStat(int32_t index, int32_t count, int32_t size) 23 : index_(index), count_(count), size_(size) {} 24 ~HeapStat() = default; 25 26 int32_t index_ {0}; 27 int32_t count_ {0}; 28 int32_t size_ {0}; 29 }; 30 31 class Stream { 32 public: 33 virtual ~Stream() = default; 34 35 virtual void EndOfStream() = 0; 36 37 // Get chunk's size 38 virtual int GetSize() = 0; 39 40 // Writes the chunk of data into the stream 41 virtual bool WriteChunk(char *data, int32_t size) = 0; 42 virtual bool Good() = 0; 43 virtual void UpdateHeapStats(HeapStat* data, int32_t count) = 0; 44 virtual void UpdateLastSeenObjectId(int32_t lastSeenObjectId, int64_t timeStampUs) = 0; 45 }; 46 } // namespace panda::ecmascript 47 48 #endif // ECMASCRIPT_DFX_HPROF_STREAM_H 49