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 <mutex> 22 #include <string> 23 #include <shared_mutex> 24 25 #include "ffrt_handler.h" 26 #include "isystem_process_status_change.h" 27 #include "nlohmann/json.hpp" 28 #include "sa_profiles.h" 29 #include "schedule/system_ability_event_handler.h" 30 31 namespace OHOS { 32 constexpr int32_t UNLOAD_DELAY_TIME = 20 * 1000; 33 34 class SystemAbilityStateScheduler : public SystemAbilityStateListener, 35 public std::enable_shared_from_this<SystemAbilityStateScheduler> { 36 public: 37 SystemAbilityStateScheduler() = default; ~SystemAbilityStateScheduler()38 virtual ~SystemAbilityStateScheduler() 39 { 40 CleanResource(); 41 } 42 void Init(const std::list<SaProfile>& saProfiles); 43 void CleanFfrt(); 44 void SetFfrt(); 45 void CleanResource(); 46 47 int32_t HandleAbilityDiedEvent(int32_t systemAbilityId); 48 int32_t HandleLoadAbilityEvent(const LoadRequestInfo& loadRequestInfo); 49 int32_t HandleLoadAbilityEvent(int32_t systemAbilityId, bool& isExist); 50 int32_t HandleUnloadAbilityEvent(const std::shared_ptr<UnloadRequestInfo> unloadRequestInfo); 51 int32_t HandleCancelUnloadAbilityEvent(int32_t systemAbilityId); 52 int32_t UnloadAllIdleSystemAbility(); 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 private: 75 void InitStateContext(const std::list<SaProfile>& saProfiles); 76 77 int32_t LimitDelayUnloadTime(int32_t delayUnloadTime); 78 bool GetSystemAbilityContext(int32_t systemAbilityId, 79 std::shared_ptr<SystemAbilityContext>& abilityContext); 80 bool GetSystemProcessContext(const std::u16string& processName, 81 std::shared_ptr<SystemProcessContext>& processContext); 82 83 int32_t HandleLoadAbilityEventLocked(const std::shared_ptr<SystemAbilityContext>& abilityContext, 84 const LoadRequestInfo& loadRequestInfo); 85 int32_t HandleUnloadAbilityEventLocked(const std::shared_ptr<SystemAbilityContext>& abilityContext, 86 const std::shared_ptr<UnloadRequestInfo> unloadRequestInfo); 87 88 int32_t SendDelayUnloadEventLocked(uint32_t systemAbilityId, int32_t delayTime = UNLOAD_DELAY_TIME); 89 int32_t RemoveDelayUnloadEventLocked(uint32_t systemAbilityId); 90 int32_t ProcessDelayUnloadEvent(int32_t systemAbilityId); 91 int32_t ProcessDelayUnloadEventLocked(int32_t systemAbilityId); 92 93 int32_t PendLoadEventLocked(const std::shared_ptr<SystemAbilityContext>& abilityContext, 94 const LoadRequestInfo& loadRequestInfo); 95 int32_t PendUnloadEventLocked(const std::shared_ptr<SystemAbilityContext>& abilityContext, 96 const std::shared_ptr<UnloadRequestInfo> unloadRequestInfo); 97 int32_t RemovePendingUnloadEventLocked(const std::shared_ptr<SystemAbilityContext>& abilityContext); 98 int32_t HandlePendingLoadEventLocked(const std::shared_ptr<SystemAbilityContext>& abilityContext); 99 int32_t HandlePendingUnloadEventLocked(const std::shared_ptr<SystemAbilityContext>& abilityContext); 100 101 int32_t DoLoadSystemAbilityLocked(const std::shared_ptr<SystemAbilityContext>& abilityContext, 102 const LoadRequestInfo& loadRequestInfo); 103 int32_t DoUnloadSystemAbilityLocked(const std::shared_ptr<SystemAbilityContext>& abilityContext); 104 105 int32_t PostTryUnloadAllAbilityTask(const std::shared_ptr<SystemProcessContext>& processContext); 106 int32_t PostUnloadTimeoutTask(const std::shared_ptr<SystemProcessContext>& processContext); 107 void RemoveUnloadTimeoutTask(const std::shared_ptr<SystemProcessContext>& processContext); 108 int32_t PostTryKillProcessTask(const std::shared_ptr<SystemProcessContext>& processContext); 109 110 int32_t TryUnloadAllSystemAbility(const std::shared_ptr<SystemProcessContext>& processContext); 111 bool CanUnloadAllSystemAbility(const std::shared_ptr<SystemProcessContext>& processContext); 112 bool CanUnloadAllSystemAbilityLocked(const std::shared_ptr<SystemProcessContext>& processContext, 113 bool isNeedCheckRecycleStrategy = false); 114 bool CheckSaIsImmediatelyRecycle(const std::shared_ptr<SystemProcessContext>& processContext); 115 int32_t UnloadAllSystemAbilityLocked(const std::shared_ptr<SystemProcessContext>& processContext); 116 117 int32_t TryKillSystemProcess(const std::shared_ptr<SystemProcessContext>& processContext); 118 bool CanKillSystemProcess(const std::shared_ptr<SystemProcessContext>& processContext); 119 bool CanKillSystemProcessLocked(const std::shared_ptr<SystemProcessContext>& processContext); 120 int32_t KillSystemProcessLocked(const std::shared_ptr<SystemProcessContext>& processContext); 121 122 bool CanRestartProcessLocked(const std::shared_ptr<SystemProcessContext>& processContext); 123 int32_t GetAbnormallyDiedAbilityLocked(std::shared_ptr<SystemProcessContext>& processContext, 124 std::list<std::shared_ptr<SystemAbilityContext>>& abnormallyDiedAbilityList); 125 int32_t HandleAbnormallyDiedAbilityLocked(std::shared_ptr<SystemProcessContext>& processContext, 126 std::list<std::shared_ptr<SystemAbilityContext>>& abnormallyDiedAbilityList); 127 128 void NotifyProcessStarted(const std::shared_ptr<SystemProcessContext>& processContext); 129 void NotifyProcessStopped(const std::shared_ptr<SystemProcessContext>& processContext); 130 void OnAbilityNotLoadedLocked(int32_t systemAbilityId) override; 131 void OnAbilityLoadedLocked(int32_t systemAbilityId) override; 132 void OnAbilityUnloadableLocked(int32_t systemAbilityId) override; 133 void OnProcessNotStartedLocked(const std::u16string& processName) override; 134 void OnProcessStartedLocked(const std::u16string& processName) override; 135 136 int32_t ActiveSystemAbilityLocked(const std::shared_ptr<SystemAbilityContext>& abilityContext, 137 const nlohmann::json& activeReason); 138 139 class UnloadEventHandler : public std::enable_shared_from_this<UnloadEventHandler> { 140 public: UnloadEventHandler(const std::weak_ptr<SystemAbilityStateScheduler> & stateScheduler)141 UnloadEventHandler(const std::weak_ptr<SystemAbilityStateScheduler>& stateScheduler) 142 : stateScheduler_(stateScheduler) 143 { 144 handler_ = std::make_shared<FFRTHandler>("UnloadEventHandler"); 145 } 146 ~UnloadEventHandler() = default; 147 void ProcessEvent(uint32_t eventId); 148 bool SendEvent(uint32_t eventId, int64_t extraDataId, uint64_t delayTime); 149 void RemoveEvent(uint32_t eventId); 150 bool HasInnerEvent(uint32_t eventId); 151 void CleanFfrt(); 152 void SetFfrt(); 153 154 private: 155 std::weak_ptr<SystemAbilityStateScheduler> stateScheduler_; 156 std::shared_ptr<FFRTHandler> handler_; 157 }; 158 std::shared_ptr<SystemAbilityStateMachine> stateMachine_; 159 std::shared_ptr<SystemAbilityEventHandler> stateEventHandler_; 160 std::shared_mutex abiltyMapLock_; 161 std::shared_mutex processMapLock_; 162 std::map<int32_t, std::shared_ptr<SystemAbilityContext>> abilityContextMap_; 163 std::map<std::u16string, std::shared_ptr<SystemProcessContext>> processContextMap_; 164 std::shared_ptr<UnloadEventHandler> unloadEventHandler_; 165 std::shared_ptr<FFRTHandler> processHandler_; 166 std::shared_mutex listenerSetLock_; 167 std::list<sptr<ISystemProcessStatusChange>> processListeners_; 168 sptr<IRemoteObject::DeathRecipient> processListenerDeath_; 169 std::mutex startEnableOnceLock_; 170 std::map<int32_t, std::list<OnDemandEvent>> startEnableOnceMap_; 171 std::mutex stopEnableOnceLock_; 172 std::map<int32_t, std::list<OnDemandEvent>> stopEnableOnceMap_; 173 }; 174 } // namespace OHOS 175 176 #endif // !defined(OHOS_SYSTEM_ABILITY_MANAGER_SYSTEM_ABILITY_STATE_SCHEDULER_H)