1 /* 2 * Copyright (c) 2021-2025 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 DFX_PROCESSDUMP_H 17 #define DFX_PROCESSDUMP_H 18 19 #include <cinttypes> 20 #include <condition_variable> 21 #include <future> 22 #include <memory> 23 #include <mutex> 24 #include <string> 25 #include <thread> 26 27 #include "reporter.h" 28 #include "dfx_coredump_service.h" 29 #include "dfx_dump_request.h" 30 #include "dfx_process.h" 31 #include "dump_info.h" 32 #include "nocopyable.h" 33 #include "unwinder.h" 34 35 namespace OHOS { 36 namespace HiviewDFX { 37 enum DumpType { 38 THREAD_STATUS_INVALID = -1, 39 THREAD_STATUS_INIT = 0, 40 THREAD_STATUS_ATTACHED = 1 41 }; 42 class ProcessDumper final { 43 public: 44 static ProcessDumper &GetInstance(); 45 void Dump(); 46 void ReportSigDumpStats(); 47 48 private: 49 ProcessDumper() = default; 50 DISALLOW_COPY_AND_MOVE(ProcessDumper); 51 int DumpProcess(); 52 int32_t ReadRequestAndCheck(); 53 bool InitBufferWriter(); 54 bool InitDfxProcess(); 55 bool InitUnwinder(int &dumpRes); 56 int GeFaultloggerdRequestType(); 57 void UnwindWriteJit(); 58 void FormatJsonInfoIfNeed(); 59 void UpdateConfigByRequest(); 60 void WriteDumpResIfNeed(int32_t resDump); 61 void PrintDumpInfo(int& dumpRes); 62 int ParseSymbols(std::shared_ptr<DumpInfo> threadDumpInfo); 63 std::vector<std::string> FindDumpInfoByType(const ProcessDumpType& dumpType); 64 int32_t CreateFileForCrash(int32_t pid, uint64_t time) const; 65 void RemoveFileIfNeed(const std::string& dirPath) const; 66 67 private: 68 void SetProcessdumpTimeout(siginfo_t &si); 69 std::shared_ptr<DfxProcess> process_ = nullptr; 70 std::shared_ptr<Unwinder> unwinder_ = nullptr; 71 ProcessDumpRequest request_{}; 72 uint64_t startTime_ = 0; 73 uint64_t finishTime_ = 0; 74 75 static constexpr size_t DEFAULT_MAX_STRING_LEN = 2048; 76 bool isJsonDump_ = false; 77 uint64_t expectedDumpFinishTime_ = 0; 78 std::future<void> parseSymbolTask_; 79 #if defined(__aarch64__) 80 std::unique_ptr<CoreDumpService> coreDumpService_ = nullptr; 81 #endif 82 uint64_t finishParseSymbolTime_ = 0; 83 }; 84 } // namespace HiviewDFX 85 } // namespace OHOS 86 87 #endif // DFX_PROCESSDUMP_H 88