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 FILE_STREAM_DUMPER_H 16 #define FILE_STREAM_DUMPER_H 17 18 #include "hidumper_executor.h" 19 20 namespace OHOS { 21 namespace HiviewDFX { 22 class FileStreamDumper : public HidumperExecutor { 23 public: 24 FileStreamDumper(); 25 ~FileStreamDumper(); 26 DumpStatus PreExecute(const std::shared_ptr<DumperParameter>& parameter, 27 StringMatrix dumpDatas) override; 28 DumpStatus Execute() override; 29 DumpStatus AfterExecute() override; 30 31 private: 32 DumpStatus ReadFile(); 33 DumpStatus ReadLineInFile(); 34 void BuildFileNames(const std::string& target, bool arg_pid, int pid, 35 bool arg_cpuid, int cpuid); 36 void ReplacePidInFilename(std::string& filename, int pid); 37 void ReplaceCpuidInFilename(std::string& filename, int cpuid); 38 int OpenNextFile(); 39 void CloseFd(); 40 41 private: 42 std::vector<std::string> filenames_; 43 FILE* fp_; 44 int fd_; 45 unsigned int next_file_index_; 46 StringMatrix result_; 47 48 // MoreData Flag 49 bool more_data_; 50 bool need_loop_; 51 }; 52 } // namespace HiviewDFX 53 } // namespace OHOS 54 #endif // FILE_STREAM_DUMPER_H 55