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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 
33 namespace OHOS {
34 // Check all dependencies's availability before the timeout period ended, [200, 60000].
35 const int32_t MIN_DEPENDENCY_TIMEOUT = 200;
36 const int32_t MAX_DEPENDENCY_TIMEOUT = 60000;
37 const int32_t DEFAULT_DEPENDENCY_TIMEOUT = 6000;
38 
39 class LocalAbilityManager : public LocalAbilityManagerStub {
40     DECLARE_SINGLE_INSTANCE_BASE(LocalAbilityManager);
41 
42 public:
43     bool AddAbility(SystemAbility* ability);
44     bool RemoveAbility(int32_t systemAbilityId);
45     SystemAbility* GetAbility(int32_t systemAbilityId);
46     bool GetRunningStatus(int32_t systemAbilityId);
47     bool AddSystemAbilityListener(int32_t systemAbilityId, int32_t listenerSaId);
48     bool RemoveSystemAbilityListener(int32_t systemAbilityId, int32_t listenerSaId);
49     std::vector<int32_t> CheckDependencyStatus(const std::vector<int32_t>& dependSas);
50     void StartSystemAbilityTask(SystemAbility* sa);
51     bool CheckSystemAbilityManagerReady();
52     bool InitSystemAbilityProfiles(const std::string& profilePath, int32_t saId);
53     void ClearResource();
54     void StartOndemandSystemAbility(int32_t systemAbilityId);
55     void StopOndemandSystemAbility(int32_t systemAbilityId);
56     bool StartAbility(int32_t systemAbilityId, const std::string& eventStr) override;
57     bool ActiveAbility(int32_t systemAbilityId,
58         const nlohmann::json& activeReason) override;
59     bool IdleAbility(int32_t systemAbilityId, const nlohmann::json& idleReason,
60         int32_t& delayTime) override;
61     bool StopAbility(int32_t systemAbilityId, const std::string& eventStr) override;
62     void DoStartSAProcess(const std::string& profilePath, int32_t saId);
63     void SetUpdateList(const std::string& updateList);
64     void SetStartReason(int32_t systemAbilityId, const nlohmann::json& event);
65     void SetStopReason(int32_t systemAbilityId, const nlohmann::json& event);
66     nlohmann::json& GetStartReason(int32_t systemAbilityId);
67     nlohmann::json& GetStopReason(int32_t systemAbilityId);
68     SystemAbilityOnDemandReason JsonToOnDemandReason(const nlohmann::json& reasonJson);
69     bool SendStrategyToSA(int32_t type, int32_t systemAbilityId, int32_t level, std::string& action) override;
70 
71 private:
72     LocalAbilityManager();
73     ~LocalAbilityManager() = default;
74 
75     bool AddLocalAbilityManager();
76     void RegisterOnDemandSystemAbility(int32_t saId);
77     void FindAndStartPhaseTasks(int32_t saId);
78     void StartPhaseTasks(const std::list<SystemAbility*>& startTasks);
79     void CheckTrustSa(const std::string& path, const std::string& process, const std::list<SaProfile>& saInfos);
80     sptr<ISystemAbilityStatusChange> GetSystemAbilityStatusChange();
81     void FindAndNotifyAbilityListeners(int32_t systemAbilityId, const std::string& deviceId, int32_t code);
82     void NotifyAbilityListener(int32_t systemAbilityId, int32_t listenerSaId,
83         const std::string& deviceId, int32_t code);
84     void WaitForTasks();
85     void StartDependSaTask(SystemAbility* ability);
86     class SystemAbilityListener : public SystemAbilityStatusChangeStub {
87     public:
88         void OnAddSystemAbility(int32_t systemAbilityId, const std::string& deviceId) override;
89         void OnRemoveSystemAbility(int32_t systemAbilityId, const std::string& deviceId) override;
90     };
91 
92     bool CheckAndGetProfilePath(const std::string& profilePath, std::string& realProfilePath);
93     bool InitializeSaProfiles(int32_t saId);
94     bool InitializeOnDemandSaProfile(int32_t saId);
95     bool InitializeRunOnCreateSaProfiles(uint32_t bootPhase);
96     bool InitializeSaProfilesInnerLocked(const SaProfile& saProfile);
97     bool Run(int32_t saId);
98     bool NeedRegisterOnDemand(const SaProfile& saProfile, int32_t saId);
99     bool OnStartAbility(int32_t systemAbilityId);
100     bool OnStopAbility(int32_t systemAbilityId);
101     std::string GetTraceTag(const std::string& profilePath);
102 
103     std::map<int32_t, SystemAbility*> abilityMap_;
104     std::map<uint32_t, std::list<SystemAbility*>> abilityPhaseMap_;
105     std::shared_mutex abilityMapLock_;
106     sptr<LocalAbilityManager> localAbilityManager_;
107     std::map<int32_t, nlohmann::json> saIdToStartReason_;
108     std::map<int32_t, nlohmann::json> saIdToStopReason_;
109     // Max task number in pool is 20.
110     const int32_t MAX_TASK_NUMBER = 20;
111     // Check dependent sa status every 50 ms, it equals 50000us.
112     const int32_t CHECK_DEPENDENT_SA_PERIOD = 50000;
113 
114     sptr<ISystemAbilityStatusChange> statusChangeListener_;
115     std::map<int32_t, std::list<int32_t>> listenerMap_;
116     std::mutex ReasonLock_;
117     std::mutex listenerLock_;
118     std::shared_ptr<ParseUtil> profileParser_;
119 
120     std::condition_variable startPhaseCV_;
121     std::mutex startPhaseLock_;
122     int32_t startTaskNum_ = 0;
123     std::u16string procName_;
124     int64_t startBegin_ = 0;
125 
126     // Thread pool used to start system abilities in parallel.
127     std::unique_ptr<ThreadPool> initPool_;
128 };
129 }
130 #endif
131