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 HIVIEWDFX_HIVIEW_FAULTLOGGER_H 16 #define HIVIEWDFX_HIVIEW_FAULTLOGGER_H 17 #include <cstdint> 18 #include <memory> 19 #include <string> 20 #include <unordered_map> 21 #include <vector> 22 23 #include "event.h" 24 #include "plugin.h" 25 #include "sys_event.h" 26 27 #include "faultlog_info.h" 28 #include "faultlog_manager.h" 29 #include "faultlog_query_result_inner.h" 30 #include "faultlogger_plugin.h" 31 #include "freeze_json_util.h" 32 33 namespace OHOS { 34 namespace HiviewDFX { 35 struct DumpRequest { 36 bool requestDetail; 37 bool requestList; 38 std::string fileName; 39 std::string moduleName; 40 time_t time; 41 }; 42 43 class Faultlogger : public FaultloggerPlugin, public EventListener { 44 public: Faultlogger()45 Faultlogger() : mgr_(nullptr), hasInit_(false) {}; ~Faultlogger()46 virtual ~Faultlogger(){}; 47 48 // implementations of Plugin interfaces 49 // for intercepting AppFreeze from collectors pipeline 50 bool OnEvent(std::shared_ptr<Event> &event) override; 51 bool IsInterestedPipelineEvent(std::shared_ptr<Event> event) override; 52 bool CanProcessEvent(std::shared_ptr<Event> event) override; 53 bool ReadyToLoad() override; 54 void OnLoad() override; 55 56 // dump debug infos through cmdline 57 void Dump(int fd, const std::vector<std::string> &cmds) override; 58 59 // implementations of FaultloggerPlugin interfaces 60 void AddFaultLog(FaultLogInfo& info) override; 61 std::unique_ptr<FaultLogInfo> GetFaultLogInfo(const std::string& logPath) override; 62 std::unique_ptr<FaultLogQueryResultInner> QuerySelfFaultLog(int32_t uid, 63 int32_t pid, int32_t faultType, int32_t maxNum) override; 64 65 // implementations of EventListener interfaces 66 // for intercepting JsCrash from engine pipeline 67 void OnUnorderedEvent(const Event &msg) override; 68 std::string GetListenerName() override; 69 static int RunSanitizerd(); 70 71 private: 72 bool VerifiedDumpPermission(); 73 void AddFaultLogIfNeed(FaultLogInfo& info, std::shared_ptr<Event> event); 74 void AddPublicInfo(FaultLogInfo& info); 75 void AddCppCrashInfo(FaultLogInfo& info); 76 void Dump(int fd, const DumpRequest& request) const; 77 void StartBootScan(); 78 bool JudgmentRateLimiting(std::shared_ptr<Event> event); 79 std::unique_ptr<FaultLogManager> mgr_; 80 volatile bool hasInit_; 81 std::unordered_map<std::string, std::time_t> eventTagTime_; 82 static void HandleNotify(int32_t type, const std::string& fname); 83 void ReportCppCrashToAppEvent(const FaultLogInfo& info) const; 84 bool GetHilog(int32_t pid, std::string& log) const; 85 void DoGetHilogProcess(int32_t pid, int writeFd) const; 86 void GetStackInfo(const FaultLogInfo& info, std::string& stackInfo) const; 87 void ReportJsErrorToAppEvent(std::shared_ptr<SysEvent> sysEvent) const; 88 std::string GetMemoryStrByPid(long pid) const; 89 FreezeJsonUtil::FreezeJsonCollector GetFreezeJsonCollector(const FaultLogInfo& info) const; 90 void ReportAppFreezeToAppEvent(const FaultLogInfo& info) const; 91 }; 92 } // namespace HiviewDFX 93 } // namespace OHOS 94 #endif // HIVIEWDFX_HIVIEW_FAULTLOGGER_H 95 96