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1 /*
2  * Copyright (C) 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 GNSS_ABILITY_H
17 #define GNSS_ABILITY_H
18 #ifdef FEATURE_GNSS_SUPPORT
19 
20 #include <mutex>
21 #include <singleton.h>
22 #include <v1_0/ignss_interface.h>
23 #ifdef HDF_DRIVERS_INTERFACE_AGNSS_ENABLE
24 #include <v1_0/ia_gnss_interface.h>
25 #endif
26 
27 #include "event_handler.h"
28 #include "system_ability.h"
29 #ifdef HDF_DRIVERS_INTERFACE_AGNSS_ENABLE
30 #include "agnss_event_callback.h"
31 #endif
32 #include "common_utils.h"
33 #include "constant_definition.h"
34 #include "gnss_ability_skeleton.h"
35 #include "i_gnss_status_callback.h"
36 #include "i_nmea_message_callback.h"
37 #include "subability_common.h"
38 
39 namespace OHOS {
40 namespace Location {
41 #ifdef __aarch64__
42 #define VENDOR_GNSS_ADAPTER_SO_PATH "/system/lib64/vendorGnssAdapter.so"
43 #else
44 #define VENDOR_GNSS_ADAPTER_SO_PATH "/system/lib/vendorGnssAdapter.so"
45 #endif
46 
47 using HDI::Location::Gnss::V1_0::IGnssInterface;
48 using HDI::Location::Gnss::V1_0::IGnssCallback;
49 using HDI::Location::Gnss::V1_0::GNSS_START_TYPE_NORMAL;
50 using HDI::Location::Gnss::V1_0::GNSS_STATUS_NONE;
51 using HDI::Location::Gnss::V1_0::GNSS_STATUS_SESSION_BEGIN;
52 using HDI::Location::Gnss::V1_0::GNSS_STATUS_SESSION_END;
53 using HDI::Location::Gnss::V1_0::GNSS_STATUS_ENGINE_ON;
54 using HDI::Location::Gnss::V1_0::GNSS_STATUS_ENGINE_OFF;
55 using HDI::Location::Gnss::V1_0::GnssAuxiliaryData;
56 using HDI::Location::Gnss::V1_0::GnssWorkingMode;
57 using HDI::Location::Gnss::V1_0::GnssConfigPara;
58 #ifdef HDF_DRIVERS_INTERFACE_AGNSS_ENABLE
59 using HDI::Location::Agnss::V1_0::IAGnssInterface;
60 using HDI::Location::Agnss::V1_0::IAGnssCallback;
61 using HDI::Location::Agnss::V1_0::AGNSS_TYPE_SUPL;
62 using HDI::Location::Agnss::V1_0::AGnssServerInfo;
63 #endif
64 
65 class GnssHandler : public AppExecFwk::EventHandler {
66 public:
67     explicit GnssHandler(const std::shared_ptr<AppExecFwk::EventRunner>& runner);
68     ~GnssHandler() override;
69     void ProcessEvent(const AppExecFwk::InnerEvent::Pointer& event) override;
70 
71 private:
72     void InitGnssEventProcessMap();
73     void HandleEventReportLocation(const AppExecFwk::InnerEvent::Pointer& event);
74     void HandleSendLocationRequest(const AppExecFwk::InnerEvent::Pointer& event);
75     void HandleSetMockedLocations(const AppExecFwk::InnerEvent::Pointer& event);
76     void HandleSendCommands(const AppExecFwk::InnerEvent::Pointer& event);
77 #ifdef HDF_DRIVERS_INTERFACE_AGNSS_ENABLE
78     void HandleSetSubscriberSetId(const AppExecFwk::InnerEvent::Pointer& event);
79     void HandleSetAgnssRefInfo(const AppExecFwk::InnerEvent::Pointer& event);
80 #endif
81     void HandleReconnectHdi(const AppExecFwk::InnerEvent::Pointer& event);
82     void HandleSetEnable(const AppExecFwk::InnerEvent::Pointer& event);
83     void HandleInitHdi(const AppExecFwk::InnerEvent::Pointer& event);
84 
85     using GnssEventProcessHandle = void (GnssHandler::*)(const AppExecFwk::InnerEvent::Pointer& event);
86     using GnssEventProcessMap = std::map<uint32_t, GnssEventProcessHandle>;
87     GnssEventProcessMap gnssEventProcessMap_;
88 };
89 
90 class GnssAbility : public SystemAbility, public GnssAbilityStub, public SubAbility, DelayedSingleton<GnssAbility> {
91 DECLEAR_SYSTEM_ABILITY(GnssAbility);
92 
93 public:
94     DISALLOW_COPY_AND_MOVE(GnssAbility);
95     GnssAbility();
96     ~GnssAbility() override;
97     void OnStart() override;
98     void OnStop() override;
QueryServiceState()99     ServiceRunningState QueryServiceState() const
100     {
101         return state_;
102     }
103     LocationErrCode SendLocationRequest(WorkRecord &workrecord) override;
104     LocationErrCode SetEnable(bool state) override;
105     LocationErrCode RefrashRequirements() override;
106     LocationErrCode RegisterGnssStatusCallback(const sptr<IRemoteObject>& callback, pid_t uid) override;
107     LocationErrCode UnregisterGnssStatusCallback(const sptr<IRemoteObject>& callback) override;
108     LocationErrCode RegisterNmeaMessageCallback(const sptr<IRemoteObject>& callback, pid_t uid) override;
109     LocationErrCode UnregisterNmeaMessageCallback(const sptr<IRemoteObject>& callback) override;
110     LocationErrCode RegisterCachedCallback(const std::unique_ptr<CachedGnssLocationsRequest>& request,
111         const sptr<IRemoteObject>& callback) override;
112     LocationErrCode UnregisterCachedCallback(const sptr<IRemoteObject>& callback) override;
113     int32_t Dump(int32_t fd, const std::vector<std::u16string>& args) override;
114     LocationErrCode GetCachedGnssLocationsSize(int &size) override;
115     LocationErrCode FlushCachedGnssLocations() override;
116     LocationErrCode SendCommand(std::unique_ptr<LocationCommand>& commands) override;
117     LocationErrCode AddFence(std::unique_ptr<GeofenceRequest>& request) override;
118     LocationErrCode RemoveFence(std::unique_ptr<GeofenceRequest>& request) override;
119     void ReportGnssSessionStatus(int status);
120     void ReportNmea(int64_t timestamp, const std::string &nmea);
121     void ReportSv(const std::unique_ptr<SatelliteStatus> &sv);
122     LocationErrCode EnableMock() override;
123     LocationErrCode DisableMock() override;
124     LocationErrCode SetMocked(const int timeInterval, const std::vector<std::shared_ptr<Location>> &location) override;
125     void RequestRecord(WorkRecord &workRecord, bool isAdded) override;
126     void SendReportMockLocationEvent() override;
127     void SendMessage(uint32_t code, MessageParcel &data, MessageParcel &reply) override;
128     void UnloadGnssSystemAbility() override;
129     void StartGnss();
130     void StopGnss();
131     bool EnableGnss();
132     void DisableGnss();
133     bool ConnectHdi();
134     bool RemoveHdi();
135 #ifdef HDF_DRIVERS_INTERFACE_AGNSS_ENABLE
136     void SetAgnssServer();
137     void SetAgnssCallback();
138     void SetSetId(const SubscriberSetId& id);
139     void SetSetIdImpl(const SubscriberSetId &id);
140     void SetRefInfo(const AGnssRefInfo& refInfo);
141     void SetRefInfoImpl(const AGnssRefInfo &refInfo);
142 #endif
143     void ReConnectHdiImpl();
144     bool IsMockEnabled();
145     void ProcessReportLocationMock();
146     void ReConnectHdi();
147     bool CheckIfHdiConnected();
148 private:
149     bool Init();
150     static void SaDumpInfo(std::string& result);
151     bool IsGnssEnabled();
152     int32_t ReportMockedLocation(const std::shared_ptr<Location> location);
153     bool CheckIfGnssConnecting();
154     bool IsMockProcessing();
155     void RegisterLocationHdiDeathRecipient();
156     bool GetCommandFlags(std::unique_ptr<LocationCommand>& commands, GnssAuxiliaryData& flags);
157     LocationErrCode SetPositionMode();
158     void SendEvent(AppExecFwk::InnerEvent::Pointer& event, MessageParcel &reply);
159 
160     size_t mockLocationIndex_ = 0;
161     bool registerToAbility_ = false;
162     int gnssWorkingStatus_ = 0;
163     std::shared_ptr<GnssHandler> gnssHandler_;
164     ServiceRunningState state_ = ServiceRunningState::STATE_NOT_START;
165     std::mutex gnssMutex_;
166     std::mutex nmeaMutex_;
167     std::mutex hdiMutex_;
168     std::vector<sptr<IGnssStatusCallback>> gnssStatusCallback_;
169     std::vector<sptr<INmeaMessageCallback>> nmeaCallback_;
170     sptr<IGnssInterface> gnssInterface_;
171     sptr<IGnssCallback> gnssCallback_;
172 #ifdef HDF_DRIVERS_INTERFACE_AGNSS_ENABLE
173     sptr<IAGnssCallback> agnssCallback_;
174     sptr<IAGnssInterface> agnssInterface_;
175 #endif
176 };
177 
178 class LocationHdiDeathRecipient : public IRemoteObject::DeathRecipient {
179 public:
180     void OnRemoteDied(const wptr<IRemoteObject> &remote) override;
181     LocationHdiDeathRecipient();
182     ~LocationHdiDeathRecipient() override;
183 };
184 
185 #ifdef HDF_DRIVERS_INTERFACE_AGNSS_ENABLE
186 class AgnssRefInfoMessage {
187 public:
188     void SetAgnssRefInfo(const AGnssRefInfo &refInfo);
189     AGnssRefInfo GetAgnssRefInfo();
190 
191 private:
192     AGnssRefInfo agnssRefInfo_;
193 };
194 #endif
195 } // namespace Location
196 } // namespace OHOS
197 #endif // FEATURE_GNSS_SUPPORT
198 #endif // GNSS_ABILITY_H
199