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 #ifndef TRACE_FILER_HELPER_H 16 #define TRACE_FILER_HELPER_H 17 18 #include <cstdint> 19 #include <memory> 20 #include "openssl/sha.h" 21 #include "trace_file_header.h" 22 23 class TraceFileHelper { 24 public: 25 TraceFileHelper(); 26 ~TraceFileHelper(); 27 28 bool AddSegment(const uint8_t data[], uint32_t size); 29 30 bool Update(TraceFileHeader& header); 31 32 bool Validate(const TraceFileHeader& header); 33 34 private: 35 bool Finish(); 36 37 private: 38 TraceFileHeader header_ = {}; 39 std::shared_ptr<SHA256_CTX> shaCtx_ = nullptr; 40 }; 41 42 #endif // TRACE_FILER_HELPER_H