1 /* 2 * Copyright (c) 2023 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 OHOS_SYSTEM_ABILITY_MANAGER_SYSTEM_ABILITY_STATE_SCHEDULER_H 17 #define OHOS_SYSTEM_ABILITY_MANAGER_SYSTEM_ABILITY_STATE_SCHEDULER_H 18 19 #include <map> 20 #include <memory> 21 #include <string> 22 23 #include "ffrt_handler.h" 24 #include "isystem_process_status_change.h" 25 #include "if_system_ability_manager.h" 26 #include "nlohmann/json.hpp" 27 #include "sa_profiles.h" 28 #include "schedule/system_ability_event_handler.h" 29 30 namespace OHOS { 31 constexpr int32_t UNLOAD_DELAY_TIME = 20 * 1000; 32 33 class SystemAbilityStateScheduler : public SystemAbilityStateListener, 34 public std::enable_shared_from_this<SystemAbilityStateScheduler> { 35 public: 36 SystemAbilityStateScheduler() = default; ~SystemAbilityStateScheduler()37 virtual ~SystemAbilityStateScheduler() 38 { 39 CleanResource(); 40 } 41 void Init(const std::list<SaProfile>& saProfiles); 42 void CleanFfrt(); 43 void SetFfrt(); 44 void CleanResource(); 45 46 int32_t HandleAbilityDiedEvent(int32_t systemAbilityId); 47 int32_t HandleLoadAbilityEvent(const LoadRequestInfo& loadRequestInfo); 48 int32_t HandleLoadAbilityEvent(int32_t systemAbilityId, bool& isExist); 49 int32_t HandleUnloadAbilityEvent(const std::shared_ptr<UnloadRequestInfo> unloadRequestInfo); 50 int32_t HandleCancelUnloadAbilityEvent(int32_t systemAbilityId); 51 int32_t UnloadAllIdleSystemAbility(); 52 int32_t UnloadProcess(const std::vector<std::u16string>& processList); 53 int32_t SendAbilityStateEvent(int32_t systemAbilityId, AbilityStateEvent event); 54 int32_t SendProcessStateEvent(const ProcessInfo& processInfo, ProcessStateEvent event); 55 bool IsSystemAbilityUnloading(int32_t systemAbilityId); 56 57 int32_t GetSystemProcessInfo(int32_t systemAbilityId, SystemProcessInfo& systemProcessInfo); 58 int32_t GetRunningSystemProcess(std::list<SystemProcessInfo>& systemProcessInfos); 59 int32_t GetProcessNameByProcessId(int32_t pid, std::u16string& processName); 60 void GetAllSystemAbilityInfo(std::string& result); 61 void GetSystemAbilityInfo(int32_t said, std::string& result); 62 void GetProcessInfo(const std::string& processName, std::string& result); 63 void GetAllSystemAbilityInfoByState(const std::string& state, std::string& result); 64 int32_t SubscribeSystemProcess(const sptr<ISystemProcessStatusChange>& listener); 65 int32_t UnSubscribeSystemProcess(const sptr<ISystemProcessStatusChange>& listener); 66 bool IsSystemProcessNeverStartedLocked(const std::u16string& processName); 67 void InitSamgrProcessContext(); 68 void CheckEnableOnce(const OnDemandEvent& event, const std::list<SaControlInfo>& saControlList); 69 int32_t CheckStartEnableOnce(const OnDemandEvent& event, const SaControlInfo& saControl, 70 sptr<ISystemAbilityLoadCallback> callback); 71 int32_t CheckStopEnableOnce(const OnDemandEvent& event, const SaControlInfo& saControl); 72 void UpdateLimitDelayUnloadTime(int32_t systemAbilityId); 73 void UpdateLimitDelayUnloadTimeTask(int32_t systemAbilityId); 74 bool GetIdleProcessInfo(int32_t systemAbilityId, IdleProcessInfo& idleProcessInfo); 75 bool IsSystemProcessCanUnload(const std::u16string& processName); 76 private: 77 void InitStateContext(const std::list<SaProfile>& saProfiles); 78 79 int32_t LimitDelayUnloadTime(int32_t delayUnloadTime); 80 bool GetSystemAbilityContext(int32_t systemAbilityId, 81 std::shared_ptr<SystemAbilityContext>& abilityContext); 82 bool GetSystemProcessContext(const std::u16string& processName, 83 std::shared_ptr<SystemProcessContext>& processContext); 84 85 int32_t HandleLoadAbilityEventLocked(const std::shared_ptr<SystemAbilityContext>& abilityContext, 86 const LoadRequestInfo& loadRequestInfo); 87 int32_t HandleUnloadAbilityEventLocked(const std::shared_ptr<SystemAbilityContext>& abilityContext, 88 const std::shared_ptr<UnloadRequestInfo> unloadRequestInfo); 89 90 int32_t SendDelayUnloadEventLocked(uint32_t systemAbilityId, int32_t delayTime = UNLOAD_DELAY_TIME); 91 int32_t RemoveDelayUnloadEventLocked(uint32_t systemAbilityId); 92 int32_t ProcessDelayUnloadEvent(int32_t systemAbilityId); 93 int32_t ProcessDelayUnloadEventLocked(int32_t systemAbilityId); 94 95 int32_t PendLoadEventLocked(const std::shared_ptr<SystemAbilityContext>& abilityContext, 96 const LoadRequestInfo& loadRequestInfo); 97 int32_t PendUnloadEventLocked(const std::shared_ptr<SystemAbilityContext>& abilityContext, 98 const std::shared_ptr<UnloadRequestInfo> unloadRequestInfo); 99 int32_t RemovePendingUnloadEventLocked(const std::shared_ptr<SystemAbilityContext>& abilityContext); 100 int32_t HandlePendingLoadEventLocked(const std::shared_ptr<SystemAbilityContext>& abilityContext); 101 int32_t HandlePendingUnloadEventLocked(const std::shared_ptr<SystemAbilityContext>& abilityContext); 102 103 int32_t DoLoadSystemAbilityLocked(const std::shared_ptr<SystemAbilityContext>& abilityContext, 104 const LoadRequestInfo& loadRequestInfo); 105 int32_t DoUnloadSystemAbilityLocked(const std::shared_ptr<SystemAbilityContext>& abilityContext); 106 107 int32_t PostTryUnloadAllAbilityTask(const std::shared_ptr<SystemProcessContext>& processContext); 108 int32_t PostUnloadTimeoutTask(const std::shared_ptr<SystemProcessContext>& processContext); 109 void RemoveUnloadTimeoutTask(const std::shared_ptr<SystemProcessContext>& processContext); 110 int32_t PostTryKillProcessTask(const std::shared_ptr<SystemProcessContext>& processContext); 111 112 int32_t TryUnloadAllSystemAbility(const std::shared_ptr<SystemProcessContext>& processContext); 113 bool CanUnloadAllSystemAbility(const std::shared_ptr<SystemProcessContext>& processContext); 114 bool CanUnloadAllSystemAbilityLocked(const std::shared_ptr<SystemProcessContext>& processContext, 115 bool isNeedCheckRecycleStrategy = false); 116 bool CheckSaIsImmediatelyRecycle(const std::shared_ptr<SystemProcessContext>& processContext); 117 int32_t UnloadAllSystemAbilityLocked(const std::shared_ptr<SystemProcessContext>& processContext); 118 119 int32_t TryKillSystemProcess(const std::shared_ptr<SystemProcessContext>& processContext); 120 bool CanKillSystemProcess(const std::shared_ptr<SystemProcessContext>& processContext); 121 bool CanKillSystemProcessLocked(const std::shared_ptr<SystemProcessContext>& processContext); 122 int32_t KillSystemProcessLocked(const std::shared_ptr<SystemProcessContext>& processContext); 123 124 bool CanRestartProcessLocked(const std::shared_ptr<SystemProcessContext>& processContext); 125 int32_t GetAbnormallyDiedAbilityLocked(std::shared_ptr<SystemProcessContext>& processContext, 126 std::list<std::shared_ptr<SystemAbilityContext>>& abnormallyDiedAbilityList); 127 int32_t HandleAbnormallyDiedAbilityLocked(std::shared_ptr<SystemProcessContext>& processContext, 128 std::list<std::shared_ptr<SystemAbilityContext>>& abnormallyDiedAbilityList); 129 130 void NotifyProcessStarted(const std::shared_ptr<SystemProcessContext>& processContext); 131 void NotifyProcessStopped(const std::shared_ptr<SystemProcessContext>& processContext); 132 void OnAbilityNotLoadedLocked(int32_t systemAbilityId) override; 133 void OnAbilityLoadedLocked(int32_t systemAbilityId) override; 134 void OnAbilityUnloadableLocked(int32_t systemAbilityId) override; 135 void OnProcessNotStartedLocked(const std::u16string& processName) override; 136 void OnProcessStartedLocked(const std::u16string& processName) override; 137 138 int32_t ActiveSystemAbilityLocked(const std::shared_ptr<SystemAbilityContext>& abilityContext, 139 const nlohmann::json& activeReason); 140 141 class UnloadEventHandler : public std::enable_shared_from_this<UnloadEventHandler> { 142 public: UnloadEventHandler(const std::weak_ptr<SystemAbilityStateScheduler> & stateScheduler)143 UnloadEventHandler(const std::weak_ptr<SystemAbilityStateScheduler>& stateScheduler) 144 : stateScheduler_(stateScheduler) 145 { 146 handler_ = std::make_shared<FFRTHandler>("UnloadEventHandler"); 147 } 148 ~UnloadEventHandler() = default; 149 void ProcessEvent(uint32_t eventId); 150 bool SendEvent(uint32_t eventId, int64_t extraDataId, uint64_t delayTime); 151 void RemoveEvent(uint32_t eventId); 152 bool HasInnerEvent(uint32_t eventId); 153 void CleanFfrt(); 154 void SetFfrt(); 155 156 private: 157 std::weak_ptr<SystemAbilityStateScheduler> stateScheduler_; 158 std::shared_ptr<FFRTHandler> handler_; 159 }; 160 std::shared_ptr<SystemAbilityStateMachine> stateMachine_; 161 std::shared_ptr<SystemAbilityEventHandler> stateEventHandler_; 162 samgr::shared_mutex abiltyMapLock_; 163 samgr::shared_mutex processMapLock_; 164 std::map<int32_t, std::shared_ptr<SystemAbilityContext>> abilityContextMap_; 165 std::map<std::u16string, std::shared_ptr<SystemProcessContext>> processContextMap_; 166 std::shared_ptr<UnloadEventHandler> unloadEventHandler_; 167 std::shared_ptr<FFRTHandler> processHandler_; 168 samgr::shared_mutex listenerSetLock_; 169 std::list<sptr<ISystemProcessStatusChange>> processListeners_; 170 sptr<IRemoteObject::DeathRecipient> processListenerDeath_; 171 samgr::mutex startEnableOnceLock_; 172 std::map<int32_t, std::list<OnDemandEvent>> startEnableOnceMap_; 173 samgr::mutex stopEnableOnceLock_; 174 std::map<int32_t, std::list<OnDemandEvent>> stopEnableOnceMap_; 175 }; 176 } // namespace OHOS 177 178 #endif // !defined(OHOS_SYSTEM_ABILITY_MANAGER_SYSTEM_ABILITY_STATE_SCHEDULER_H)