1 /* 2 * Copyright (c) Huawei Technologies Co., Ltd. 2021. 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 #ifndef TRANCE_FILE_WRITER_H 16 #define TRANCE_FILE_WRITER_H 17 18 #include <cstdint> 19 #include <fstream> 20 #include <google/protobuf/message_lite.h> 21 #include <mutex> 22 #include <queue> 23 #include <string> 24 25 #include "logging.h" 26 #include "nocopyable.h" 27 #include "trace_file_helper.h" 28 #include "writer.h" 29 30 using google::protobuf::MessageLite; 31 32 class TraceFileWriter : public Writer { 33 public: 34 explicit TraceFileWriter(const std::string& path); 35 explicit TraceFileWriter(int32_t fd); 36 37 explicit TraceFileWriter(const std::string& path, bool splitFile, uint32_t splitFileMaxSizeMb, 38 uint32_t splitFileMaxNum); 39 40 ~TraceFileWriter(); 41 42 std::string Path() const; 43 44 bool SetPluginConfig(const void* data, size_t size); 45 46 void WriteStandalonePluginData(const std::string& pluginName, 47 const std::string& data, 48 const std::string& pluginVersion = ""); 49 50 bool WriteHeader(); 51 52 long Write(const MessageLite& message); 53 54 long Write(const void* data, size_t size) override; 55 56 long WriteStandalonePluginFile(const std::string& file, 57 const std::string& name, 58 const std::string& version, DataType type); 59 60 bool Flush() override; 61 62 bool Finish(); 63 64 bool IsSplitFile(uint32_t size); 65 66 void SetStopSplitFile(bool isStop); 67 68 void SetTimeSource(); 69 void SetDurationTime(); 70 71 private: 72 void SetTimeStamp(); 73 74 void LogDiskUsage(); 75 76 void DeleteOldSplitFile(); 77 78 bool FlushStream(); 79 80 private: 81 std::string path_ {}; 82 std::string oldPath_ {}; 83 std::ofstream stream_ {}; 84 uint64_t writeBytes_ = 0; 85 uint64_t writeCount_ = 0; 86 TraceFileHeader header_ {}; 87 TraceFileHelper helper_ {}; 88 uint32_t dataSize_ = 0; 89 bool isSplitFile_ = false; 90 uint32_t splitFileMaxSize_; 91 uint32_t splitFileMaxNum_; 92 std::queue<std::string> splitFilePaths_; 93 std::vector<std::vector<char>> pluginConfigsData_; 94 bool isStop_ = false; 95 int fileNum_; 96 TraceFileHeader::HeaderData headerDataTime_ = {}; // used to store the clock source and collection time. 97 int32_t fd_{-1}; 98 bool isWriteFd_{false}; 99 100 DISALLOW_COPY_AND_MOVE(TraceFileWriter); 101 }; 102 103 using TraceFileWriterPtr = STD_PTR(shared, TraceFileWriter); 104 105 #endif // !TRANCE_FILER_WRITER_H