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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 CELLULAR_DATA_HANDLER_H
17 #define CELLULAR_DATA_HANDLER_H
18 
19 #include <atomic>
20 #include <memory>
21 
22 #include "apn_manager.h"
23 #include "cellular_data_event_code.h"
24 #include "cellular_data_incall_observer.h"
25 #include "cellular_data_rdb_observer.h"
26 #include "cellular_data_roaming_observer.h"
27 #include "cellular_data_setting_observer.h"
28 #include "cellular_data_state_machine.h"
29 #include "common_event_manager.h"
30 #include "data_switch_settings.h"
31 #include "hril_data_parcel.h"
32 #include "incall_data_state_machine.h"
33 #include "inner_event.h"
34 #include "radio_event.h"
35 #include "state_notification.h"
36 #include "tel_event_handler.h"
37 #include "tel_profile_util.h"
38 
39 namespace OHOS {
40 namespace Telephony {
41 class CellularDataHandler : public TelEventHandler, public EventFwk::CommonEventSubscriber {
42 public:
43     explicit CellularDataHandler(const EventFwk::CommonEventSubscribeInfo &sp, int32_t slotId);
44     ~CellularDataHandler();
45     void Init();
46     bool ReleaseNet(const NetRequest &request);
47     bool RequestNet(const NetRequest &request);
48     void ProcessEvent(const AppExecFwk::InnerEvent::Pointer &event) override;
49     void OnReceiveEvent(const EventFwk::CommonEventData &data) override;
50     int32_t SetCellularDataEnable(bool userDataEnabled);
51     int32_t SetIntelligenceSwitchEnable(bool userDataEnabled);
52     int32_t IsCellularDataEnabled(bool &dataEnabled) const;
53     int32_t IsCellularDataRoamingEnabled(bool &dataRoamingEnabled) const;
54     int32_t SetCellularDataRoamingEnabled(bool dataRoamingEnabled);
55     ApnProfileState GetCellularDataState() const;
56     ApnProfileState GetCellularDataState(const std::string &apnType) const;
57     void ClearConnection(const sptr<ApnHolder> &apnHolder, DisConnectionReason reason);
58     void EstablishAllApnsIfConnectable();
59     void ClearAllConnections(DisConnectionReason reason);
60     bool ChangeConnectionForDsds(bool enable);
61     int32_t GetSlotId() const;
62     bool HandleApnChanged();
63     void HandleApnChanged(const AppExecFwk::InnerEvent::Pointer &event);
64     int32_t GetCellularDataFlowType();
65     void SetPolicyDataOn(bool enable);
66     bool IsRestrictedMode() const;
67     DisConnectionReason GetDisConnectionReason();
68     bool HasInternetCapability(const int32_t cid) const;
69     void GetDataConnApnAttr(ApnItem::Attribute &apnAttr) const;
70     std::string GetDataConnIpType() const;
71     int32_t GetDataRecoveryState();
72     void SetRilAttachApn();
73     void IsNeedDoRecovery(bool needDoRecovery) const;
74     void RegisterDataSettingObserver();
75     void UnRegisterDataSettingObserver();
76 
77 private:
78     std::shared_ptr<CellularDataStateMachine> CreateCellularDataConnect();
79     std::shared_ptr<CellularDataStateMachine> FindIdleCellularDataConnection() const;
80     bool CheckCellularDataSlotId(sptr<ApnHolder> &apnHolder);
81     bool CheckAttachAndSimState(sptr<ApnHolder> &apnHolder);
82     bool CheckRoamingState(sptr<ApnHolder> &apnHolder);
83     bool CheckApnState(sptr<ApnHolder> &apnHolder);
84     void AttemptEstablishDataConnection(sptr<ApnHolder> &apnHolder);
85     bool EstablishDataConnection(sptr<ApnHolder> &apnHolder, int32_t radioTech);
86     void RadioPsConnectionAttached(const AppExecFwk::InnerEvent::Pointer &event);
87     void RadioPsConnectionDetached(const AppExecFwk::InnerEvent::Pointer &event);
88     void RoamingStateOn(const AppExecFwk::InnerEvent::Pointer &event);
89     void RoamingStateOff(const AppExecFwk::InnerEvent::Pointer &event);
90     void PsRadioEmergencyStateOpen(const AppExecFwk::InnerEvent::Pointer &event);
91     void PsRadioEmergencyStateClose(const AppExecFwk::InnerEvent::Pointer &event);
92     void EstablishDataConnectionComplete(const AppExecFwk::InnerEvent::Pointer &event);
93     void DisconnectDataComplete(const AppExecFwk::InnerEvent::Pointer &event);
94     void MsgEstablishDataConnection(const AppExecFwk::InnerEvent::Pointer &event);
95     void MsgRequestNetwork(const AppExecFwk::InnerEvent::Pointer &event);
96     void HandleSettingSwitchChanged(const AppExecFwk::InnerEvent::Pointer &event);
97     void HandleVoiceCallChanged(int32_t state);
98     void HandleDefaultDataSubscriptionChanged();
99     void HandleDsdsModeChanged(const AppExecFwk::InnerEvent::Pointer &event);
100     void HandleSimStateOrRecordsChanged(const AppExecFwk::InnerEvent::Pointer &event);
101     void HandleSimAccountLoaded(const AppExecFwk::InnerEvent::Pointer &event);
102     void HandleRadioStateChanged(const AppExecFwk::InnerEvent::Pointer &event);
103     void PsDataRatChanged(const AppExecFwk::InnerEvent::Pointer &event);
104     void SetRilAttachApnResponse(const AppExecFwk::InnerEvent::Pointer &event);
105     bool HasAnyHigherPriorityConnection(const sptr<ApnHolder> &apnHolder);
106     void GetConfigurationFor5G();
107     void GetDefaultConfiguration();
108     bool ParseOperatorConfig(const std::u16string &configName);
109     void HandleRadioNrStateChanged(const AppExecFwk::InnerEvent::Pointer &event);
110     void HandleRadioNrFrequencyChanged(const AppExecFwk::InnerEvent::Pointer &event);
111     void GetDefaultUpLinkThresholdsConfig();
112     void GetDefaultDownLinkThresholdsConfig();
113     void SetRilLinkBandwidths();
114     void HandleDBSettingEnableChanged(const AppExecFwk::InnerEvent::Pointer &event);
115     void HandleDBSettingRoamingChanged(const AppExecFwk::InnerEvent::Pointer &event);
116     void HandleSortConnection();
117     void SetDataPermittedResponse(const AppExecFwk::InnerEvent::Pointer &event);
118     void SetDataPermitted(int32_t slotId, bool dataPermitted);
119     bool CheckDataPermittedByDsds();
120     bool SetDataPermittedForMms(bool dataPermittedForMms);
121     std::shared_ptr<IncallDataStateMachine> CreateIncallDataStateMachine(int32_t callState);
122     void HandleDBSettingIncallChanged(const AppExecFwk::InnerEvent::Pointer &event);
123     void HandleCallChanged(int32_t state);
124     void HandleImsCallChanged(int32_t state);
125     void IncallDataComplete(const AppExecFwk::InnerEvent::Pointer &event);
126     void ResetDataFlowType();
127     void ClearConnectionIfRequired();
128     bool GetEsmFlagFromOpCfg();
129     void SetInitApnWithNullDp();
130     void GetSinglePdpEnabledFromOpCfg();
131     bool IsSingleConnectionEnabled(int32_t radioTech);
132     void OnRilAdapterHostDied(const AppExecFwk::InnerEvent::Pointer &event);
133     void HandleFactoryReset(const AppExecFwk::InnerEvent::Pointer &event);
134     void OnCleanAllDataConnectionsDone(const AppExecFwk::InnerEvent::Pointer &event);
135     void CreateApnItem();
136     void UpdatePhysicalConnectionState(bool noActiveConnection);
137 
138 private:
139     sptr<ApnManager> apnManager_;
140     std::unique_ptr<DataSwitchSettings> dataSwitchSettings_;
141     sptr<DataConnectionManager> connectionManager_;
142     std::u16string lastIccId_;
143     int32_t lastCallState_ = (int32_t)TelCallStatus::CALL_STATUS_IDLE;
144     const int32_t slotId_;
145     DisConnectionReason disconnectionReason_ = DisConnectionReason::REASON_NORMAL;
146     bool unMeteredAllNsaConfig_ = false;
147     bool unMeteredNrNsaMmwaveConfig_ = false;
148     bool unMeteredNrNsaSub6Config_ = false;
149     bool unMeteredAllNrsaConfig_ = false;
150     bool unMeteredNrsaMmwaveConfig_ = false;
151     bool unMeteredNrsaSub6Config_ = false;
152     bool unMeteredRoamingConfig_ = false;
153     int defaultMobileMtuConfig_ = 0;
154     bool defaultPreferApn_ = true;
155     bool physicalConnectionActiveState_ = false;
156     bool multipleConnectionsEnabled_ = false;
157     std::vector<std::string> upLinkThresholds_;
158     std::vector<std::string> downLinkThresholds_;
159     sptr<CellularDataSettingObserver> settingObserver_;
160     sptr<CellularDataRoamingObserver> roamingObserver_;
161     sptr<CellularDataIncallObserver> incallObserver_;
162     sptr<CellularDataRdbObserver> cellularDataRdbObserver_;
163     std::shared_ptr<IncallDataStateMachine> incallDataStateMachine_;
164 
165     using Fun = void (CellularDataHandler::*)(const AppExecFwk::InnerEvent::Pointer &event);
166     std::map<uint32_t, Fun> eventIdMap_ {
167         { RadioEvent::RADIO_PS_CONNECTION_ATTACHED, &CellularDataHandler::RadioPsConnectionAttached },
168         { RadioEvent::RADIO_PS_CONNECTION_DETACHED, &CellularDataHandler::RadioPsConnectionDetached },
169         { RadioEvent::RADIO_PS_ROAMING_OPEN, &CellularDataHandler::RoamingStateOn },
170         { RadioEvent::RADIO_PS_ROAMING_CLOSE, &CellularDataHandler::RoamingStateOff },
171         { RadioEvent::RADIO_EMERGENCY_STATE_OPEN, &CellularDataHandler::PsRadioEmergencyStateOpen },
172         { RadioEvent::RADIO_EMERGENCY_STATE_CLOSE, &CellularDataHandler::PsRadioEmergencyStateClose },
173         { CellularDataEventCode::MSG_ESTABLISH_DATA_CONNECTION_COMPLETE,
174             &CellularDataHandler::EstablishDataConnectionComplete },
175         { CellularDataEventCode::MSG_DISCONNECT_DATA_COMPLETE, &CellularDataHandler::DisconnectDataComplete },
176         { CellularDataEventCode::MSG_ESTABLISH_DATA_CONNECTION, &CellularDataHandler::MsgEstablishDataConnection },
177         { CellularDataEventCode::MSG_SETTING_SWITCH, &CellularDataHandler::HandleSettingSwitchChanged },
178         { CellularDataEventCode::MSG_REQUEST_NETWORK, &CellularDataHandler::MsgRequestNetwork },
179         { RadioEvent::RADIO_STATE_CHANGED, &CellularDataHandler::HandleRadioStateChanged },
180         { RadioEvent::RADIO_DSDS_MODE_CHANGED, &CellularDataHandler::HandleDsdsModeChanged },
181         { RadioEvent::RADIO_SIM_STATE_CHANGE, &CellularDataHandler::HandleSimStateOrRecordsChanged },
182         { RadioEvent::RADIO_SIM_RECORDS_LOADED, &CellularDataHandler::HandleSimStateOrRecordsChanged },
183         { RadioEvent::RADIO_SIM_ACCOUNT_LOADED, &CellularDataHandler::HandleSimAccountLoaded },
184         { RadioEvent::RADIO_PS_RAT_CHANGED, &CellularDataHandler::PsDataRatChanged },
185         { CellularDataEventCode::MSG_APN_CHANGED, &CellularDataHandler::HandleApnChanged },
186         { CellularDataEventCode::MSG_SET_RIL_ATTACH_APN, &CellularDataHandler::SetRilAttachApnResponse },
187         { RadioEvent::RADIO_NR_STATE_CHANGED, &CellularDataHandler::HandleRadioNrStateChanged },
188         { RadioEvent::RADIO_NR_FREQUENCY_CHANGED, &CellularDataHandler::HandleRadioNrFrequencyChanged },
189         { CellularDataEventCode::MSG_DB_SETTING_ENABLE_CHANGED, &CellularDataHandler::HandleDBSettingEnableChanged },
190         { CellularDataEventCode::MSG_DB_SETTING_ROAMING_CHANGED, &CellularDataHandler::HandleDBSettingRoamingChanged },
191         { CellularDataEventCode::MSG_DB_SETTING_INCALL_CHANGED, &CellularDataHandler::HandleDBSettingIncallChanged },
192         { CellularDataEventCode::MSG_INCALL_DATA_COMPLETE, &CellularDataHandler::IncallDataComplete },
193         { RadioEvent::RADIO_RIL_ADAPTER_HOST_DIED, &CellularDataHandler::OnRilAdapterHostDied },
194         { RadioEvent::RADIO_FACTORY_RESET, &CellularDataHandler::HandleFactoryReset },
195         { RadioEvent::RADIO_CLEAN_ALL_DATA_CONNECTIONS, &CellularDataHandler::OnCleanAllDataConnectionsDone },
196     };
197 };
198 } // namespace Telephony
199 } // namespace OHOS
200 #endif // CELLULAR_DATA_HANDLER_H
201