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1 /*
2  * Copyright (C) 2021-2022 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 NETWORK_SEARCH_INCLUDE_NETWORK_SEARCH_HANDLER_H
17 #define NETWORK_SEARCH_INCLUDE_NETWORK_SEARCH_HANDLER_H
18 
19 #include <memory>
20 
21 #include "cell_info.h"
22 #include "event_handler.h"
23 #include "i_sim_manager.h"
24 #include "i_tel_ril_manager.h"
25 #include "network_register.h"
26 #include "network_selection.h"
27 #include "network_type.h"
28 #include "nitz_update.h"
29 #include "operator_name.h"
30 #include "radio_event.h"
31 #include "radio_info.h"
32 #include "signal_info.h"
33 #include "system_ability_status_change_stub.h"
34 
35 namespace OHOS {
36 namespace Telephony {
37 class NetworkSearchManager;
38 class NetworkSearchHandler : public AppExecFwk::EventHandler {
39 public:
40     using NsHandlerFunc = void (NetworkSearchHandler::*)(const AppExecFwk::InnerEvent::Pointer &);
41     NetworkSearchHandler(const std::shared_ptr<AppExecFwk::EventRunner> &runner,
42         const std::weak_ptr<NetworkSearchManager> &networkSearchManager,
43         const std::weak_ptr<ITelRilManager> &telRilManager, const std::weak_ptr<ISimManager> &simManager,
44         int32_t slotId);
45     virtual ~NetworkSearchHandler();
46     bool Init();
47     void RegisterEvents();
48     void UnregisterEvents();
49     void ProcessEvent(const AppExecFwk::InnerEvent::Pointer &event) override;
50     void GetSignalInfo(std::vector<sptr<SignalInformation>> &signals);
51     void UpdatePhone(RadioTech csRadioTech, const RadioTech &psRadioTech) const;
52     int32_t GetCellInfoList(std::vector<sptr<CellInformation>> &cells);
53     void DcPhysicalLinkActiveUpdate(const AppExecFwk::InnerEvent::Pointer &event);
54     void NotifyStateChange(const AppExecFwk::InnerEvent::Pointer &event);
55     void HandleDelayNotifyEvent(const AppExecFwk::InnerEvent::Pointer &event);
56     int32_t HandleRrcStateChanged(int32_t status);
57     int32_t RevertLastTechnology();
58     void UpdateImsServiceStatus(const AppExecFwk::InnerEvent::Pointer &event);
59     void UpdateImsRegisterState(const AppExecFwk::InnerEvent::Pointer &event);
60     int32_t SendUpdateCellLocationRequest();
61     PhoneType GetPhoneType();
62 
63     /**
64      * Get signal quality
65      * 27007-410_2001 8.5 Signal quality +CSQ
66      * 3GPP TS 27.007 V4.1.0 (2001-03)
67      */
68     void GetRilSignalIntensity(bool checkTime = true);
69 
70     /**
71      * querying the status of all GSM/UMTS operators detected in the area.
72      * 27007-410_2001 7.3 PLMN selection +COPS
73      * 3GPP TS 27.007 V4.1.0 (2001-03)
74      */
75     void GetRilOperatorInfo(bool checkTime = true);
76 
77     /**
78      * Get PS network registration status
79      * 27007-410_2001 10.1.19	GPRS network registration status +CGREG
80      * 3GPP TS 27.007 V4.1.0 (2001-03)
81      */
82     void GetRilPsRegistration(bool checkTime = true);
83 
84     /**
85      * Get CS network registration status
86      * 27007-410_2001 7.2 Network registration +CREG
87      * 3GPP TS 27.007 V4.1.0 (2001-03)
88      */
89     void GetRilCsRegistration(bool checkTime = true);
90 
91     void UpdateCellLocation(int32_t techType, int32_t cellId, int32_t lac);
92     sptr<CellLocation> GetCellLocation();
93     void TimezoneRefresh();
94     void SetCellRequestMinInterval(uint32_t minInterval);
95     int32_t GetRegServiceState(RegServiceState &regState);
96 
97 private:
98     void RadioOnState();
99     void RadioOffOrUnavailableState(int32_t radioState) const;
100     void GetRadioStateResponse(const AppExecFwk::InnerEvent::Pointer &event);
101     void SetRadioStateResponse(const AppExecFwk::InnerEvent::Pointer &event);
102     void SimStateChange(const AppExecFwk::InnerEvent::Pointer &);
103     void ImsiLoadedReady(const AppExecFwk::InnerEvent::Pointer &event);
104     void SimRecordsLoaded(const AppExecFwk::InnerEvent::Pointer &);
105     void RadioStateChange(const AppExecFwk::InnerEvent::Pointer &event);
106     void GetNetworkStateInfo(const AppExecFwk::InnerEvent::Pointer &);
107     void RadioRestrictedState(const AppExecFwk::InnerEvent::Pointer &event);
108     void RadioRilDataRegState(const AppExecFwk::InnerEvent::Pointer &event);
109     void RadioRilVoiceRegState(const AppExecFwk::InnerEvent::Pointer &event);
110     void RadioSignalStrength(const AppExecFwk::InnerEvent::Pointer &event);
111     void RadioRilOperator(const AppExecFwk::InnerEvent::Pointer &event);
112     bool TimeOutCheck(int64_t &lastTime, bool checkTime = true);
113     void NetworkSearchResult(const AppExecFwk::InnerEvent::Pointer &event);
114     void GetNetworkSelectionModeResponse(const AppExecFwk::InnerEvent::Pointer &event);
115     void SetNetworkSelectionModeResponse(const AppExecFwk::InnerEvent::Pointer &event);
116     void InitGetNetworkSelectionMode();
117     void InitNetworkSearchResult();
118     void GetPreferredNetworkResponse(const AppExecFwk::InnerEvent::Pointer &event);
119     void SetPreferredNetworkResponse(const AppExecFwk::InnerEvent::Pointer &event);
120     void RadioNitzUpdate(const AppExecFwk::InnerEvent::Pointer &event);
121     void RadioGetImei(const AppExecFwk::InnerEvent::Pointer &event);
122     void RadioGetMeid(const AppExecFwk::InnerEvent::Pointer &event);
123     void RadioGetNeighboringCellInfo(const AppExecFwk::InnerEvent::Pointer &event);
124     void RadioGetCurrentCellInfo(const AppExecFwk::InnerEvent::Pointer &event);
125     void RadioCurrentCellInfoUpdate(const AppExecFwk::InnerEvent::Pointer &event);
126     void RadioChannelConfigInfo(const AppExecFwk::InnerEvent::Pointer &event);
127     void RadioVoiceTechChange(const AppExecFwk::InnerEvent::Pointer &event);
128     void AutoTimeChange(const AppExecFwk::InnerEvent::Pointer &);
129     void AutoTimeZoneChange(const AppExecFwk::InnerEvent::Pointer &);
130     void AirplaneModeChange(const AppExecFwk::InnerEvent::Pointer &);
131     void RadioGetBasebandVersion(const AppExecFwk::InnerEvent::Pointer &event);
132     void SetNrOptionModeResponse(const AppExecFwk::InnerEvent::Pointer &event);
133     void GetNrOptionModeResponse(const AppExecFwk::InnerEvent::Pointer &event);
134     void RadioGetRrcConnectionState(const AppExecFwk::InnerEvent::Pointer &event);
135     bool InitOperatorName();
136 
137 private:
138     std::weak_ptr<NetworkSearchManager> networkSearchManager_;
139     std::unique_ptr<NetworkRegister> networkRegister_ = nullptr;
140     std::shared_ptr<OperatorName> operatorName_ = nullptr;
141     std::unique_ptr<RadioInfo> radioInfo_ = nullptr;
142     std::unique_ptr<SignalInfo> signalInfo_ = nullptr;
143     std::unique_ptr<NetworkSelection> networkSelection_ = nullptr;
144     std::weak_ptr<ITelRilManager> telRilManager_;
145     std::weak_ptr<ISimManager> simManager_;
146     std::unique_ptr<NetworkType> networkType_ = nullptr;
147     std::unique_ptr<NitzUpdate> nitzUpdate_ = nullptr;
148     std::unique_ptr<CellInfo> cellInfo_ = nullptr;
149     static const std::map<uint32_t, NsHandlerFunc> memberFuncMap_;
150     int64_t lastTimeSignalReq_ = 0;
151     int64_t lastTimeOperatorReq_ = 0;
152     int64_t lastTimePsRegistrationReq_ = 0;
153     int64_t lastTimeCsRegistrationReq_ = 0;
154     bool firstInit_ = true;
155     int32_t slotId_ = 0;
156     uint32_t cellRequestMinInterval_ = 2; // This is the minimum interval in seconds for cell requests
157     uint32_t lastCellRequestTime_ = 0;
158     sptr<ISystemAbilityStatusChange> statusChangeListener_ = nullptr;
159 
160 private:
161     class SystemAbilityStatusChangeListener : public OHOS::SystemAbilityStatusChangeStub {
162     public:
163         explicit SystemAbilityStatusChangeListener(std::shared_ptr<OperatorName> &operatorName);
164         ~SystemAbilityStatusChangeListener() = default;
165         virtual void OnAddSystemAbility(int32_t systemAbilityId, const std::string& deviceId) override;
166         virtual void OnRemoveSystemAbility(int32_t systemAbilityId, const std::string& deviceId) override;
167 
168     private:
169         std::shared_ptr<OperatorName> opName_ = nullptr;
170     };
171 };
172 } // namespace Telephony
173 } // namespace OHOS
174 #endif // NETWORK_SEARCH_INCLUDE_NETWORK_SEARCH_HANDLER_H
175