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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_roaming_observer.h"
25 #include "cellular_data_setting_observer.h"
26 #include "cellular_data_state_machine.h"
27 #include "common_event_manager.h"
28 #include "data_switch_settings.h"
29 #include "event_handler.h"
30 #include "hril_data_parcel.h"
31 #include "inner_event.h"
32 #include "radio_event.h"
33 #include "state_notification.h"
34 #include "tel_profile_util.h"
35 
36 namespace OHOS {
37 namespace Telephony {
38 class CellularDataHandler : public AppExecFwk::EventHandler, public EventFwk::CommonEventSubscriber {
39 public:
40     explicit CellularDataHandler(const std::shared_ptr<AppExecFwk::EventRunner> &runner,
41         const EventFwk::CommonEventSubscribeInfo &sp, int32_t slotId);
42     ~CellularDataHandler();
43     void Init();
44     bool ReleaseNet(const NetRequest &request);
45     bool RequestNet(const NetRequest &request);
46     void ProcessEvent(const AppExecFwk::InnerEvent::Pointer &event) override;
47     void OnReceiveEvent(const EventFwk::CommonEventData &data) override;
48     int32_t SetCellularDataEnable(bool userDataEnabled);
49     int32_t IsCellularDataEnabled(bool &dataEnabled) const;
50     int32_t IsCellularDataRoamingEnabled(bool &dataRoamingEnabled) const;
51     int32_t SetCellularDataRoamingEnabled(bool dataRoamingEnabled);
52     ApnProfileState GetCellularDataState() const;
53     ApnProfileState GetCellularDataState(const std::string &apnType) const;
54     void ClearConnection(const sptr<ApnHolder> &apnHolder, DisConnectionReason reason);
55     void EstablishAllApnsIfConnectable();
56     void ClearAllConnections(DisConnectionReason reason);
57     int32_t GetSlotId() const;
58     bool HandleApnChanged();
59     void HandleApnChanged(const AppExecFwk::InnerEvent::Pointer &event);
60     int32_t GetCellularDataFlowType();
61     void SetPolicyDataOn(bool enable);
62     bool IsRestrictedMode() const;
63     DisConnectionReason GetDisConnectionReason();
64     bool HasInternetCapability(const int32_t cid) const;
65 
66 private:
67     std::shared_ptr<CellularDataStateMachine> CreateCellularDataConnect();
68     std::shared_ptr<CellularDataStateMachine> FindIdleCellularDataConnection() const;
69     bool CheckCellularDataSlotId();
70     bool CheckAttachAndSimState(sptr<ApnHolder> &apnHolder);
71     bool CheckRoamingState(sptr<ApnHolder> &apnHolder);
72     bool CheckApnState(sptr<ApnHolder> &apnHolder);
73     void AttemptEstablishDataConnection(sptr<ApnHolder> &apnHolder);
74     bool EstablishDataConnection(sptr<ApnHolder> &apnHolder, int32_t radioTech);
75     void RadioPsConnectionAttached(const AppExecFwk::InnerEvent::Pointer &event);
76     void RadioPsConnectionDetached(const AppExecFwk::InnerEvent::Pointer &event);
77     void RoamingStateOn(const AppExecFwk::InnerEvent::Pointer &event);
78     void RoamingStateOff(const AppExecFwk::InnerEvent::Pointer &event);
79     void PsRadioEmergencyStateOpen(const AppExecFwk::InnerEvent::Pointer &event);
80     void PsRadioEmergencyStateClose(const AppExecFwk::InnerEvent::Pointer &event);
81     void EstablishDataConnectionComplete(const AppExecFwk::InnerEvent::Pointer &event);
82     void DisconnectDataComplete(const AppExecFwk::InnerEvent::Pointer &event);
83     void MsgEstablishDataConnection(const AppExecFwk::InnerEvent::Pointer &event);
84     void MsgRequestNetwork(const AppExecFwk::InnerEvent::Pointer &event);
85     void HandleSettingSwitchChanged(const AppExecFwk::InnerEvent::Pointer &event);
86     void HandleVoiceCallChanged(int32_t state);
87     void HandleDefaultDataSubscriptionChanged();
88     void HandleDsdsModeChanged(const AppExecFwk::InnerEvent::Pointer &event);
89     void HandleSimStateOrRecordsChanged(const AppExecFwk::InnerEvent::Pointer &event);
90     void HandleSimAccountLoaded(const AppExecFwk::InnerEvent::Pointer &event);
91     void HandleRadioStateChanged(const AppExecFwk::InnerEvent::Pointer &event);
92     void PsDataRatChanged(const AppExecFwk::InnerEvent::Pointer &event);
93     void SetRilAttachApn();
94     void SetRilAttachApnResponse(const AppExecFwk::InnerEvent::Pointer &event);
95     bool HasAnyHigherPriorityConnection(const sptr<ApnHolder> &apnHolder);
96     void GetConfigurationFor5G();
97     void GetDefaultConfiguration();
98     bool ParseOperatorConfig(const std::u16string &configName);
99     void HandleRadioNrStateChanged(const AppExecFwk::InnerEvent::Pointer &event);
100     void HandleRadioNrFrequencyChanged(const AppExecFwk::InnerEvent::Pointer &event);
101     void GetDefaultUpLinkThresholdsConfig();
102     void GetDefaultDownLinkThresholdsConfig();
103     void SetRilLinkBandwidths();
104     void HandleDBSettingEnableChanged(const AppExecFwk::InnerEvent::Pointer &event);
105     void HandleDBSettingRoamingChanged(const AppExecFwk::InnerEvent::Pointer &event);
106     void HandleSortConnection();
107     void SetDataPermittedResponse(const AppExecFwk::InnerEvent::Pointer &event);
108     void RegisterDataSettingObserver();
109     void UnRegisterDataSettingObserver();
110     void SetDataPermitted(int32_t slotId, bool dataPermitted);
111 
112 private:
113     sptr<ApnManager> apnManager_;
114     std::unique_ptr<DataSwitchSettings> dataSwitchSettings_;
115     sptr<DataConnectionManager> connectionManager_;
116     std::u16string lastIccId_;
117     int32_t lastCallState_ = (int32_t)TelCallStatus::CALL_STATUS_IDLE;
118     const int32_t slotId_;
119     DisConnectionReason disconnectionReason_ = DisConnectionReason::REASON_NORMAL;
120     std::shared_ptr<AppExecFwk::EventRunner> stateMachineEventLoop_;
121     bool unMeteredAllNsaConfig_ = false;
122     bool unMeteredNrNsaMmwaveConfig_ = false;
123     bool unMeteredNrNsaSub6Config_ = false;
124     bool unMeteredAllNrsaConfig_ = false;
125     bool unMeteredNrsaMmwaveConfig_ = false;
126     bool unMeteredNrsaSub6Config_ = false;
127     bool unMeteredRoamingConfig_ = false;
128     int defaultMobileMtuConfig_ = 0;
129     bool defaultPreferApn_ = true;
130     bool physicalConnectionActiveState_ = false;
131     bool multipleConnectionsEnabled_ = false;
132     std::vector<std::string> upLinkThresholds_;
133     std::vector<std::string> downLinkThresholds_;
134     sptr<CellularDataSettingObserver> settingObserver_;
135     sptr<CellularDataRoamingObserver> roamingObserver_;
136 
137     using Fun = void (CellularDataHandler::*)(const AppExecFwk::InnerEvent::Pointer &event);
138     std::map<uint32_t, Fun> eventIdMap_ {
139         { RadioEvent::RADIO_PS_CONNECTION_ATTACHED, &CellularDataHandler::RadioPsConnectionAttached },
140         { RadioEvent::RADIO_PS_CONNECTION_DETACHED, &CellularDataHandler::RadioPsConnectionDetached },
141         { RadioEvent::RADIO_PS_ROAMING_OPEN, &CellularDataHandler::RoamingStateOn },
142         { RadioEvent::RADIO_PS_ROAMING_CLOSE, &CellularDataHandler::RoamingStateOff },
143         { RadioEvent::RADIO_EMERGENCY_STATE_OPEN, &CellularDataHandler::PsRadioEmergencyStateOpen },
144         { RadioEvent::RADIO_EMERGENCY_STATE_CLOSE, &CellularDataHandler::PsRadioEmergencyStateClose },
145         { CellularDataEventCode::MSG_ESTABLISH_DATA_CONNECTION_COMPLETE,
146             &CellularDataHandler::EstablishDataConnectionComplete },
147         { CellularDataEventCode::MSG_DISCONNECT_DATA_COMPLETE, &CellularDataHandler::DisconnectDataComplete },
148         { CellularDataEventCode::MSG_ESTABLISH_DATA_CONNECTION, &CellularDataHandler::MsgEstablishDataConnection },
149         { CellularDataEventCode::MSG_SETTING_SWITCH, &CellularDataHandler::HandleSettingSwitchChanged },
150         { CellularDataEventCode::MSG_REQUEST_NETWORK, &CellularDataHandler::MsgRequestNetwork },
151         { RadioEvent::RADIO_STATE_CHANGED, &CellularDataHandler::HandleRadioStateChanged },
152         { RadioEvent::RADIO_DSDS_MODE_CHANGED, &CellularDataHandler::HandleDsdsModeChanged },
153         { RadioEvent::RADIO_SIM_STATE_CHANGE, &CellularDataHandler::HandleSimStateOrRecordsChanged },
154         { RadioEvent::RADIO_SIM_RECORDS_LOADED, &CellularDataHandler::HandleSimStateOrRecordsChanged },
155         { RadioEvent::RADIO_SIM_ACCOUNT_LOADED, &CellularDataHandler::HandleSimAccountLoaded },
156         { RadioEvent::RADIO_PS_RAT_CHANGED, &CellularDataHandler::PsDataRatChanged },
157         { CellularDataEventCode::MSG_APN_CHANGED, &CellularDataHandler::HandleApnChanged },
158         { CellularDataEventCode::MSG_SET_RIL_ATTACH_APN, &CellularDataHandler::SetRilAttachApnResponse },
159         { RadioEvent::RADIO_NR_STATE_CHANGED, &CellularDataHandler::HandleRadioNrStateChanged },
160         { RadioEvent::RADIO_NR_FREQUENCY_CHANGED, &CellularDataHandler::HandleRadioNrFrequencyChanged },
161         { CellularDataEventCode::MSG_DB_SETTING_ENABLE_CHANGED, &CellularDataHandler::HandleDBSettingEnableChanged },
162         { CellularDataEventCode::MSG_DB_SETTING_ROAMING_CHANGED, &CellularDataHandler::HandleDBSettingRoamingChanged },
163     };
164 };
165 } // namespace Telephony
166 } // namespace OHOS
167 #endif // CELLULAR_DATA_HANDLER_H
168