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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 
16 #ifndef LOCAL_ABILITY_MANAGER_H
17 #define LOCAL_ABILITY_MANAGER_H
18 
19 #include <string>
20 #include <unordered_map>
21 #include <list>
22 #include <unistd.h>
23 #include <condition_variable>
24 #include <shared_mutex>
25 #include "local_ability_manager_stub.h"
26 #include "system_ability.h"
27 #include "thread_pool.h"
28 #include "parse_util.h"
29 #include "single_instance.h"
30 #include "system_ability_ondemand_reason.h"
31 #include "system_ability_status_change_stub.h"
32 #include "if_system_ability_manager.h"
33 #include "timer.h"
34 
35 namespace OHOS {
36 // Check all dependencies's availability before the timeout period ended, [200, 60000].
37 const int32_t MIN_DEPENDENCY_TIMEOUT = 200;
38 const int32_t MAX_DEPENDENCY_TIMEOUT = 60000;
39 const int32_t DEFAULT_DEPENDENCY_TIMEOUT = 6000;
40 
41 enum ListenerState {
42     INIT,
43     NOTIFIED
44 };
45 
46 class LocalAbilityManager : public LocalAbilityManagerStub {
47     DECLARE_SINGLE_INSTANCE_BASE(LocalAbilityManager);
48 
49 public:
50     bool AddAbility(SystemAbility* ability);
51     bool RemoveAbility(int32_t systemAbilityId);
52     SystemAbility* GetAbility(int32_t systemAbilityId);
53     bool GetRunningStatus(int32_t systemAbilityId);
54     bool AddSystemAbilityListener(int32_t systemAbilityId, int32_t listenerSaId);
55     bool RemoveSystemAbilityListener(int32_t systemAbilityId, int32_t listenerSaId);
56     std::vector<int32_t> CheckDependencyStatus(const std::vector<int32_t>& dependSas);
57     void StartSystemAbilityTask(SystemAbility* sa);
58     bool CheckSystemAbilityManagerReady();
59     bool InitSystemAbilityProfiles(const std::string& profilePath, int32_t saId);
60     void ClearResource();
61     void StartOndemandSystemAbility(int32_t systemAbilityId);
62     void StopOndemandSystemAbility(int32_t systemAbilityId);
63     bool StartAbility(int32_t systemAbilityId, const std::string& eventStr) override;
64     bool ActiveAbility(int32_t systemAbilityId,
65         const nlohmann::json& activeReason) override;
66     bool IdleAbility(int32_t systemAbilityId, const nlohmann::json& idleReason,
67         int32_t& delayTime) override;
68     bool StopAbility(int32_t systemAbilityId, const std::string& eventStr) override;
69     void DoStartSAProcess(const std::string& profilePath, int32_t saId);
70     void SetStartReason(int32_t systemAbilityId, const nlohmann::json& event);
71     void SetStopReason(int32_t systemAbilityId, const nlohmann::json& event);
72     nlohmann::json GetStartReason(int32_t systemAbilityId);
73     nlohmann::json GetStopReason(int32_t systemAbilityId);
74     SystemAbilityOnDemandReason JsonToOnDemandReason(const nlohmann::json& reasonJson);
75     bool SendStrategyToSA(int32_t type, int32_t systemAbilityId, int32_t level, std::string& action) override;
76     bool IpcStatCmdProc(int32_t fd, int32_t cmd) override;
77     bool FfrtDumperProc(std::string& result) override;
78     int32_t SystemAbilityExtProc(const std::string& extension, int32_t said,
79         SystemAbilityExtensionPara* callback, bool isAsync = false) override;
80 
81 private:
82     LocalAbilityManager();
83     ~LocalAbilityManager();
84 
85     bool AddLocalAbilityManager();
86     void RegisterOnDemandSystemAbility(int32_t saId);
87     void FindAndStartPhaseTasks(int32_t saId);
88     void StartPhaseTasks(const std::list<SystemAbility*>& startTasks);
89     void CheckTrustSa(const std::string& path, const std::string& process, const std::list<SaProfile>& saInfos);
90     sptr<ISystemAbilityStatusChange> GetSystemAbilityStatusChange();
91     void FindAndNotifyAbilityListeners(int32_t systemAbilityId, const std::string& deviceId, int32_t code);
92     void NotifyAbilityListener(int32_t systemAbilityId, int32_t listenerSaId,
93         const std::string& deviceId, int32_t code);
94     void WaitForTasks();
95     void StartDependSaTask(SystemAbility* ability);
96     class SystemAbilityListener : public SystemAbilityStatusChangeStub {
97     public:
98         void OnAddSystemAbility(int32_t systemAbilityId, const std::string& deviceId) override;
99         void OnRemoveSystemAbility(int32_t systemAbilityId, const std::string& deviceId) override;
100     };
101 
102     bool CheckAndGetProfilePath(const std::string& profilePath, std::string& realProfilePath);
103     bool InitializeSaProfiles(int32_t saId);
104     bool InitializeOnDemandSaProfile(int32_t saId);
105     bool InitializeRunOnCreateSaProfiles(uint32_t bootPhase);
106     bool InitializeSaProfilesInnerLocked(const SaProfile& saProfile);
107     bool Run(int32_t saId);
108     bool NeedRegisterOnDemand(const SaProfile& saProfile, int32_t saId);
109     bool OnStartAbility(int32_t systemAbilityId);
110     bool OnStopAbility(int32_t systemAbilityId);
111     std::string GetTraceTag(const std::string& profilePath);
112     bool IsResident();
113     bool IsConfigUnused();
114     void InitUnusedCfg();
115     void StartTimedQuery();
116     void IdentifyUnusedResident();
117     void IdentifyUnusedOndemand();
118     bool NoNeedCheckUnused(int32_t saId);
119     void LimitUnusedTimeout(int32_t saId, int32_t timeout);
120     bool GetSaLastRequestTime(const sptr<ISystemAbilityManager>& samgr, int32_t saId, uint64_t& lastRequestTime);
121 
122     std::map<int32_t, SystemAbility*> localAbilityMap_;
123     std::map<uint32_t, std::list<SystemAbility*>> abilityPhaseMap_;
124     std::shared_mutex localAbilityMapLock_;
125     sptr<LocalAbilityManager> localAbilityManager_;
126     std::map<int32_t, nlohmann::json> saIdToStartReason_;
127     std::map<int32_t, nlohmann::json> saIdToStopReason_;
128     // Max task number in pool is 20.
129     const int32_t MAX_TASK_NUMBER = 20;
130     // Check dependent sa status every 50 ms, it equals 50000us.
131     const int32_t CHECK_DEPENDENT_SA_PERIOD = 50000;
132 
133     std::mutex listenerLock_;
134     sptr<ISystemAbilityStatusChange> statusChangeListener_;
135     std::map<int32_t, std::list<std::pair<int32_t, ListenerState>>> localListenerMap_;
136     std::mutex ReasonLock_;
137     std::shared_ptr<ParseUtil> profileParser_;
138 
139     std::condition_variable startPhaseCV_;
140     std::mutex startPhaseLock_;
141     int32_t startTaskNum_ = 0;
142     std::u16string procName_;
143     int64_t startBegin_ = 0;
144 
145     // Thread pool used to start system abilities in parallel.
146     std::unique_ptr<ThreadPool> initPool_;
147     std::unique_ptr<Utils::Timer> idleTimer_;
148     // longtime-unusedtimeout map
149     std::shared_mutex unusedCfgMapLock_;
150     std::map<int32_t, int32_t> unusedCfgMap_;
151 };
152 }
153 #endif
154