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 DEVICESTATUS_MSDP_RDB_H 17 #define DEVICESTATUS_MSDP_RDB_H 18 19 #include <string> 20 #include <memory> 21 #include <vector> 22 #include <thread> 23 #include <mutex> 24 #include <map> 25 #include <errors.h> 26 27 #include "rdb_store.h" 28 #include "rdb_helper.h" 29 #include "rdb_open_callback.h" 30 #include "rdb_store_config.h" 31 #include "values_bucket.h" 32 #include "result_set.h" 33 #include "devicestatus_data_utils.h" 34 #include "devicestatus_msdp_interface.h" 35 36 namespace OHOS { 37 namespace Msdp { 38 class DevicestatusMsdpRdb : public DevicestatusMsdpInterface { 39 public: 40 enum EventType { 41 EVENT_UEVENT_FD, 42 EVENT_TIMER_FD, 43 }; 44 DevicestatusMsdpRdb()45 DevicestatusMsdpRdb() {} ~DevicestatusMsdpRdb()46 virtual ~DevicestatusMsdpRdb() {} 47 bool Init(); 48 void InitRdbStore(); 49 void SetTimerInterval(int32_t interval); 50 void CloseTimer(); 51 void InitTimer(); 52 void TimerCallback(); 53 int32_t RegisterTimerCallback(const int32_t fd, const EventType et); 54 void StartThread(); 55 void LoopingThreadEntry(); 56 void Enable() override; 57 void Disable() override; 58 void RegisterCallback(const std::shared_ptr<MsdpAlgorithmCallback>& callback) override; 59 void UnregisterCallback() override; 60 ErrCode NotifyMsdpImpl(const DevicestatusDataUtils::DevicestatusData& data); 61 int32_t TrigerData(const std::unique_ptr<NativeRdb::ResultSet> &resultSet); 62 int32_t TrigerDatabaseObserver(); 63 DevicestatusDataUtils::DevicestatusData SaveRdbData(const DevicestatusDataUtils::DevicestatusData& data); GetCallbacksImpl()64 std::shared_ptr<MsdpAlgorithmCallback> GetCallbacksImpl() 65 { 66 std::unique_lock lock(mutex_); 67 return callbacksImpl_; 68 } 69 70 private: 71 using Callback = std::function<void(DevicestatusMsdpRdb*)>; 72 std::shared_ptr<MsdpAlgorithmCallback> callbacksImpl_; 73 std::map<int32_t, Callback> callbacks_; 74 std::shared_ptr<NativeRdb::RdbStore> store_; 75 int32_t devicestatusType_ = -1; 76 int32_t devicestatusStatus_ = -1; 77 bool notifyFlag_ = false; 78 int32_t timerInterval_ = -1; 79 int32_t timerFd_ = -1; 80 int32_t epFd_ = -1; 81 std::map<DevicestatusDataUtils::DevicestatusType, DevicestatusDataUtils::DevicestatusValue> rdbDataMap_; 82 std::mutex mutex_; 83 }; 84 85 class InsertOpenCallback : public NativeRdb::RdbOpenCallback { 86 public: 87 int32_t OnCreate(NativeRdb::RdbStore &rdbStore) override; 88 int32_t OnUpgrade(NativeRdb::RdbStore &rdbStore, int32_t oldVersion, int32_t newVersion) override; 89 }; 90 } 91 } 92 #endif // DEVICESTATUS_MSDP_RDB_H 93