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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     bool SetCellularDataEnable(bool userDataEnabled);
49     bool IsCellularDataEnabled() const;
50     bool IsCellularDataRoamingEnabled() const;
51     bool 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     void AttemptEstablishDataConnection(sptr<ApnHolder> &apnHolder);
70     bool EstablishDataConnection(sptr<ApnHolder> &apnHolder, int32_t radioTech);
71     void RadioPsConnectionAttached(const AppExecFwk::InnerEvent::Pointer &event);
72     void RadioPsConnectionDetached(const AppExecFwk::InnerEvent::Pointer &event);
73     void RoamingStateOn(const AppExecFwk::InnerEvent::Pointer &event);
74     void RoamingStateOff(const AppExecFwk::InnerEvent::Pointer &event);
75     void PsRadioEmergencyStateOpen(const AppExecFwk::InnerEvent::Pointer &event);
76     void PsRadioEmergencyStateClose(const AppExecFwk::InnerEvent::Pointer &event);
77     void EstablishDataConnectionComplete(const AppExecFwk::InnerEvent::Pointer &event);
78     void DisconnectDataComplete(const AppExecFwk::InnerEvent::Pointer &event);
79     void MsgEstablishDataConnection(const AppExecFwk::InnerEvent::Pointer &event);
80     void MsgRequestNetwork(const AppExecFwk::InnerEvent::Pointer &event);
81     void HandleSettingSwitchChanged(const AppExecFwk::InnerEvent::Pointer &event);
82     void HandleVoiceCallChanged(int32_t state);
83     void HandleSimStateOrRecordsChanged(const AppExecFwk::InnerEvent::Pointer &event);
84     void HandleSimAccountLoaded(const AppExecFwk::InnerEvent::Pointer &event);
85     void HandleRadioStateChanged(const AppExecFwk::InnerEvent::Pointer &event);
86     void PsDataRatChanged(const AppExecFwk::InnerEvent::Pointer &event);
87     void SetRilAttachApn();
88     void SetRilAttachApnResponse(const AppExecFwk::InnerEvent::Pointer &event);
89     bool HasAnyHigherPriorityConnection(const sptr<ApnHolder> &apnHolder);
90     void GetConfigurationFor5G();
91     void GetDefaultConfiguration();
92     bool ParseOperatorConfig(const std::u16string &configName);
93     void HandleRadioNrStateChanged(const AppExecFwk::InnerEvent::Pointer &event);
94     void HandleRadioNrFrequencyChanged(const AppExecFwk::InnerEvent::Pointer &event);
95     void GetDefaultUpLinkThresholdsConfig();
96     void GetDefaultDownLinkThresholdsConfig();
97     void SetRilLinkBandwidths();
98     void HandleDBSettingEnableChanged(const AppExecFwk::InnerEvent::Pointer &event);
99     void HandleDBSettingRoamingChanged(const AppExecFwk::InnerEvent::Pointer &event);
100     void HandleSortConnection();
101     void RegisterDataSettingObserver();
102     void UnRegisterDataSettingObserver();
103 
104 private:
105     sptr<ApnManager> apnManager_;
106     std::unique_ptr<DataSwitchSettings> dataSwitchSettings_;
107     sptr<DataConnectionManager> connectionManager_;
108     std::u16string lastIccID_;
109     int32_t lastCallState_ = (int32_t)TelCallStatus::CALL_STATE_RELEASED;
110     const int32_t slotId_;
111     DisConnectionReason disconnectionReason_ = DisConnectionReason::REASON_NORMAL;
112     std::shared_ptr<AppExecFwk::EventRunner> stateMachineEventLoop_;
113     bool unMeteredAllNsaConfig_ = false;
114     bool unMeteredNrNsaMmwaveConfig_ = false;
115     bool unMeteredNrNsaSub6Config_ = false;
116     bool unMeteredAllNrsaConfig_ = false;
117     bool unMeteredNrsaMmwaveConfig_ = false;
118     bool unMeteredNrsaSub6Config_ = false;
119     bool unMeteredRoamingConfig_ = false;
120     int defaultMobileMtuConfig_ = 0;
121     bool defaultPreferApn_ = true;
122     bool physicalConnectionActiveState_ = false;
123     bool multipleConnectionsEnabled_ = false;
124     std::vector<std::string> upLinkThresholds_;
125     std::vector<std::string> downLinkThresholds_;
126     sptr<CellularDataSettingObserver> settingObserver_;
127     sptr<CellularDataRoamingObserver> roamingObserver_;
128 
129     using Fun = void (CellularDataHandler::*)(const AppExecFwk::InnerEvent::Pointer &event);
130     std::map<uint32_t, Fun> eventIdMap_ {
131         {RadioEvent::RADIO_PS_CONNECTION_ATTACHED, &CellularDataHandler::RadioPsConnectionAttached},
132         {RadioEvent::RADIO_PS_CONNECTION_DETACHED, &CellularDataHandler::RadioPsConnectionDetached},
133         {RadioEvent::RADIO_PS_ROAMING_OPEN, &CellularDataHandler::RoamingStateOn},
134         {RadioEvent::RADIO_PS_ROAMING_CLOSE, &CellularDataHandler::RoamingStateOff},
135         {RadioEvent::RADIO_EMERGENCY_STATE_OPEN, &CellularDataHandler::PsRadioEmergencyStateOpen},
136         {RadioEvent::RADIO_EMERGENCY_STATE_CLOSE, &CellularDataHandler::PsRadioEmergencyStateClose},
137         {CellularDataEventCode::MSG_ESTABLISH_DATA_CONNECTION_COMPLETE,
138             &CellularDataHandler::EstablishDataConnectionComplete},
139         {CellularDataEventCode::MSG_DISCONNECT_DATA_COMPLETE, &CellularDataHandler::DisconnectDataComplete},
140         {CellularDataEventCode::MSG_ESTABLISH_DATA_CONNECTION, &CellularDataHandler::MsgEstablishDataConnection},
141         {CellularDataEventCode::MSG_SETTING_SWITCH, &CellularDataHandler::HandleSettingSwitchChanged},
142         {CellularDataEventCode::MSG_REQUEST_NETWORK, &CellularDataHandler::MsgRequestNetwork},
143         {RadioEvent::RADIO_STATE_CHANGED, &CellularDataHandler::HandleRadioStateChanged},
144         {RadioEvent::RADIO_SIM_STATE_CHANGE, &CellularDataHandler::HandleSimStateOrRecordsChanged},
145         {RadioEvent::RADIO_SIM_RECORDS_LOADED, &CellularDataHandler::HandleSimStateOrRecordsChanged},
146         {RadioEvent::RADIO_SIM_ACCOUNT_LOADED, &CellularDataHandler::HandleSimAccountLoaded},
147         {RadioEvent::RADIO_PS_RAT_CHANGED, &CellularDataHandler::PsDataRatChanged},
148         {CellularDataEventCode::MSG_APN_CHANGED, &CellularDataHandler::HandleApnChanged},
149         {CellularDataEventCode::MSG_SET_RIL_ATTACH_APN, &CellularDataHandler::SetRilAttachApnResponse},
150         {RadioEvent::RADIO_NR_STATE_CHANGED, &CellularDataHandler::HandleRadioNrStateChanged},
151         {RadioEvent::RADIO_NR_FREQUENCY_CHANGED, &CellularDataHandler::HandleRadioNrFrequencyChanged},
152         {CellularDataEventCode::MSG_DB_SETTING_ENABLE_CHANGED, &CellularDataHandler::HandleDBSettingEnableChanged},
153         {CellularDataEventCode::MSG_DB_SETTING_ROAMING_CHANGED, &CellularDataHandler::HandleDBSettingRoamingChanged},
154     };
155 };
156 } // namespace Telephony
157 } // namespace OHOS
158 #endif // CELLULAR_DATA_HANDLER_H
159