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 "json/json.h" 25 #include "plugin.h" 26 #include "sys_event.h" 27 28 #include "faultlog_info.h" 29 #include "faultlog_manager.h" 30 #include "faultlog_query_result_inner.h" 31 #include "faultlogger_plugin.h" 32 #include "freeze_json_util.h" 33 34 namespace OHOS { 35 namespace HiviewDFX { 36 struct DumpRequest { 37 bool requestDetail; 38 bool requestList; 39 std::string fileName; 40 std::string moduleName; 41 time_t time; 42 }; 43 44 class Faultlogger : public FaultloggerPlugin, public EventListener { 45 public: Faultlogger()46 Faultlogger() : mgr_(nullptr), hasInit_(false) {}; ~Faultlogger()47 virtual ~Faultlogger(){}; 48 49 // implementations of Plugin interfaces 50 // for intercepting AppFreeze from collectors pipeline 51 bool OnEvent(std::shared_ptr<Event> &event) override; 52 bool IsInterestedPipelineEvent(std::shared_ptr<Event> event) override; 53 bool CanProcessEvent(std::shared_ptr<Event> event) override; 54 bool ReadyToLoad() override; 55 void OnLoad() override; 56 57 // dump debug infos through cmdline 58 void Dump(int fd, const std::vector<std::string> &cmds) override; 59 60 // implementations of FaultloggerPlugin interfaces 61 void AddFaultLog(FaultLogInfo& info) override; 62 std::unique_ptr<FaultLogInfo> GetFaultLogInfo(const std::string& logPath) override; 63 std::unique_ptr<FaultLogQueryResultInner> QuerySelfFaultLog(int32_t uid, 64 int32_t pid, int32_t faultType, int32_t maxNum) override; 65 66 // implementations of EventListener interfaces 67 // for intercepting JsCrash from engine pipeline 68 void OnUnorderedEvent(const Event &msg) override; 69 std::string GetListenerName() override; 70 static int RunSanitizerd(); 71 72 private: 73 bool VerifiedDumpPermission(); 74 void AddFaultLogIfNeed(FaultLogInfo& info, std::shared_ptr<Event> event); 75 void AddPublicInfo(FaultLogInfo& info); 76 void AddCppCrashInfo(FaultLogInfo& info); 77 void Dump(int fd, const DumpRequest& request) const; 78 void StartBootScan(); 79 bool JudgmentRateLimiting(std::shared_ptr<Event> event); 80 std::unique_ptr<FaultLogManager> mgr_; 81 volatile bool hasInit_; 82 std::unordered_map<std::string, std::time_t> eventTagTime_; 83 static void HandleNotify(int32_t type, const std::string& fname); 84 void ReportCppCrashToAppEvent(const FaultLogInfo& info) const; 85 bool GetHilog(int32_t pid, std::string& log) const; 86 int DoGetHilogProcess(int32_t pid, int writeFd) const; 87 void GetStackInfo(const FaultLogInfo& info, std::string& stackInfo) const; 88 void ReportJsErrorToAppEvent(std::shared_ptr<SysEvent> sysEvent) const; 89 void ReportSanitizerToAppEvent(std::shared_ptr<SysEvent> sysEvent) const; 90 std::string GetSanitizerReason(const int32_t faultLogType, const std::string &reason) const; 91 std::string GetMemoryStrByPid(long pid) const; 92 FreezeJsonUtil::FreezeJsonCollector GetFreezeJsonCollector(const FaultLogInfo& info) const; 93 void ReportAppFreezeToAppEvent(const FaultLogInfo& info) const; 94 bool CheckFaultLog(FaultLogInfo info); 95 void CheckFaultLogAsync(const FaultLogInfo& info); 96 void FillHilog(const std::string &hilogStr, Json::Value &hilog) const; 97 void FaultlogLimit(const std::string &logPath, int32_t faultType) const; 98 }; 99 } // namespace HiviewDFX 100 } // namespace OHOS 101 #endif // HIVIEWDFX_HIVIEW_FAULTLOGGER_H 102 103