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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 #ifndef INTELL_VOICE_TRIGGER_CONNECTOR_H
16 #define INTELL_VOICE_TRIGGER_CONNECTOR_H
17 
18 #include <memory>
19 #include <set>
20 #include <map>
21 #include <atomic>
22 #include <mutex>
23 #include <iservmgr_hdi.h>
24 #include "v1_0/iintell_voice_trigger_adapter.h"
25 #include "i_intell_voice_trigger_adapter_listener.h"
26 #include "i_intell_voice_trigger_connector_module.h"
27 #include "i_intell_voice_trigger_connector_callback.h"
28 #include "msg_handle_thread.h"
29 
30 namespace OHOS {
31 namespace IntellVoiceTrigger {
32 using OHOS::HDI::ServiceManager::V1_0::ServiceStatus;
33 using OHOS::HDI::ServiceManager::V1_0::ServStatListenerStub;
34 
35 using OHOS::HDI::IntelligentVoice::Trigger::V1_0::IntellVoiceTriggerAdapterDsecriptor;
36 using OHOS::HDI::IntelligentVoice::Trigger::V1_0::IntellVoiceTriggerProperties;
37 using OHOS::HDI::IntelligentVoice::Trigger::V1_0::IIntellVoiceTriggerAdapter;
38 using OHOS::HDI::IntelligentVoice::Trigger::V1_0::IntellVoiceRecognitionEvent;
39 using OHOS::HDI::IntelligentVoice::Trigger::V1_0::IIntellVoiceTriggerCallback;
40 
41 const std::string INTELL_VOICE_TRIGGER_SERVICE = "intell_voice_trigger_manager_service";
42 
43 class TriggerConnector : public ServStatListenerStub  {
44 public:
45     explicit TriggerConnector(const IntellVoiceTriggerAdapterDsecriptor &desc);
46     ~TriggerConnector() override;
47     std::shared_ptr<IIntellVoiceTriggerConnectorModule> GetModule(
48         std::shared_ptr<IIntellVoiceTriggerConnectorCallback> callback);
49     IntellVoiceTriggerProperties GetProperties();
50     void OnReceive(const ServiceStatus &serviceStatus) override;
51 
52 private:
53     class TriggerSession : public IIntellVoiceTriggerConnectorModule, public OHOS::IntellVoiceUtils::MsgHandleThread {
54     public:
55         TriggerSession(std::shared_ptr<IIntellVoiceTriggerConnectorCallback> callback,
56             const sptr<IIntellVoiceTriggerAdapter> &adapter);
57         ~TriggerSession() override;
GetAdapter()58         const sptr<IIntellVoiceTriggerAdapter> &GetAdapter()
59         {
60             return adapter_;
61         }
GetCallback()62         std::shared_ptr<IIntellVoiceTriggerConnectorCallback> GetCallback()
63         {
64             return callback_;
65         }
66         int32_t LoadModel(std::shared_ptr<GenericTriggerModel> model, int32_t &modelHandle) override;
67         int32_t UnloadModel(int32_t modelHandle) override;
68         int32_t Start(int32_t modelHandle) override;
69         int32_t Stop(int32_t modelHandle) override;
70 
71         void HandleRecognitionHdiEvent(std::shared_ptr<IntellVoiceRecognitionEvent> event,
72             int32_t modelHandle);
73     private:
74         enum MsgType {
75             MSG_TYPE_NONE,
76             MSG_TYPE_RECOGNITION_HDI_EVENT,
77             MSG_TYPE_QUIT,
78         };
79 
80     private:
81         class Model : public IIntellVoiceTriggerAdapterListener, public std::enable_shared_from_this<Model> {
82         public:
83             static std::shared_ptr<Model> Create(TriggerSession *session);
84             int32_t Load(std::shared_ptr<GenericTriggerModel> model, int32_t &modelHandle);
85             int32_t Unload();
86             int32_t Start();
87             int32_t Stop();
88 #ifdef TRIGGER_MANAGER_TEST
89             void TriggerManagerCallbackTest();
90 #endif
91         public:
92             void OnRecognitionHdiEvent(const IntellVoiceRecognitionEvent &event, int32_t cookie) override;
93 
94             enum ModelState {
95                 IDLE,
96                 LOADED,
97                 ACTIVE,
98             };
GetState()99             ModelState GetState()
100             {
101                 return state_.load();
102             }
103 
SetState(ModelState state)104             void SetState(ModelState state)
105             {
106                 state_.store(state);
107             }
108 
109         private:
Model(TriggerSession * session)110             explicit Model(TriggerSession *session) : session_(session) {}
111             sptr<Ashmem> CreateAshmemFromModelData(const std::vector<uint8_t> &modelData);
112             int32_t handle_ = 0;
113             std::atomic<ModelState> state_ = IDLE;
114             TriggerSession *session_ = nullptr;
115             sptr<IIntellVoiceTriggerCallback> callback_ = nullptr;
116         }; // Model
117 
118     private:
119         bool HandleMsg(OHOS::IntellVoiceUtils::Message &message) override;
120         void ProcessRecognitionHdiEvent(const OHOS::IntellVoiceUtils::Message &message);
121     private:
122         std::mutex mutex_ {};
123         std::shared_ptr<IIntellVoiceTriggerConnectorCallback> callback_ = nullptr;
124         const OHOS::sptr<IIntellVoiceTriggerAdapter> &adapter_;
125         std::map<int32_t, std::shared_ptr<Model>> loadedModels_;
126     }; // TriggerSession
127 
128 private:
129     IntellVoiceTriggerAdapterDsecriptor desc_;
130     sptr<IIntellVoiceTriggerAdapter> adapter_ = nullptr;
131     std::set<std::shared_ptr<TriggerSession>> activeSessions_;
132 };
133 }  // namespace IntellVoiceTrigger
134 }  // namespace OHOS
135 #endif