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 HIVIEW_PLUGINS_EVENT_SERVICE_INCLUDE_EVENT_JSON_PARSER_H 17 #define HIVIEW_PLUGINS_EVENT_SERVICE_INCLUDE_EVENT_JSON_PARSER_H 18 19 #include <cstdint> 20 #include <functional> 21 #include <list> 22 #include <memory> 23 #include <string> 24 #include <unordered_map> 25 #include <vector> 26 27 #include "ffrt.h" 28 #include "json/json.h" 29 #include "singleton.h" 30 #include "sys_event.h" 31 32 namespace OHOS { 33 namespace HiviewDFX { 34 constexpr uint8_t INVALID_EVENT_TYPE = 0; 35 constexpr uint8_t DEFAULT_PRIVACY = 4; 36 constexpr uint8_t DEFAULT_PERSERVE_VAL = 1; 37 constexpr uint8_t DEFAULT_COLLECT_VAL = 0; 38 39 struct KeyConfig { 40 uint8_t type : 3; 41 uint8_t privacy : 3; 42 uint8_t preserve : 1; 43 uint8_t collect : 1; 44 45 KeyConfig(uint8_t type = INVALID_EVENT_TYPE, uint8_t privacy = DEFAULT_PRIVACY, 46 uint8_t preserve = DEFAULT_PERSERVE_VAL, uint8_t collect = DEFAULT_COLLECT_VAL) typeKeyConfig47 : type(type), privacy(privacy), preserve(preserve), collect(collect) {} 48 }; 49 50 struct BaseInfo { 51 KeyConfig keyConfig; 52 std::string level; 53 std::string tag; 54 PARAM_INFO_MAP_PTR disallowParams; 55 }; 56 57 using NAME_INFO_MAP = std::unordered_map<std::string, BaseInfo>; 58 using DOMAIN_INFO_MAP = std::unordered_map<std::string, NAME_INFO_MAP>; 59 using JSON_VALUE_LOOP_HANDLER = std::function<void(const std::string&, const Json::Value&)>; 60 using ExportEventList = std::map<std::string, std::vector<std::string>>; // <domain, names> 61 62 class EventJsonParser : public DelayedSingleton<EventJsonParser> { 63 DECLARE_DELAYED_SINGLETON(EventJsonParser); 64 65 public: 66 std::string GetTagByDomainAndName(const std::string& domain, const std::string& name); 67 uint8_t GetTypeByDomainAndName(const std::string& domain, const std::string& name); 68 bool GetPreserveByDomainAndName(const std::string& domain, const std::string& name); 69 void OnConfigUpdate(); 70 BaseInfo GetDefinedBaseInfoByDomainName(const std::string& domain, const std::string& name); 71 void GetAllCollectEvents(ExportEventList& list); 72 void ReadDefFile(); 73 74 private: 75 bool HasUIntMember(const Json::Value& jsonObj, const std::string& name) const; 76 bool HasStringMember(const Json::Value& jsonObj, const std::string& name) const; 77 bool HasBoolMember(const Json::Value& jsonObj, const std::string& name) const; 78 void InitEventInfoMapRef(const Json::Value& jsonObj, JSON_VALUE_LOOP_HANDLER handler) const; 79 BaseInfo ParseBaseConfig(const Json::Value& eventNameJson) const; 80 void ParseSysEventDef(const Json::Value& hiSysEventDef, std::shared_ptr<DOMAIN_INFO_MAP> sysDefMap); 81 NAME_INFO_MAP ParseEventNameConfig(const std::string& domain, const Json::Value& domainJson) const; 82 PARAM_INFO_MAP_PTR ParseEventParamInfo(const Json::Value& eventContent) const; 83 void WatchTestTypeParameter(); 84 85 private: 86 mutable ffrt::mutex defMtx_; 87 std::shared_ptr<DOMAIN_INFO_MAP> sysEventDefMap_ = nullptr; 88 }; // EventJsonParser 89 } // namespace HiviewDFX 90 } // namespace OHOS 91 #endif 92