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 BATTERY_THREAD_H 17 #define BATTERY_THREAD_H 18 19 #include <map> 20 #include <memory> 21 #include <refbase.h> 22 #include <thread> 23 #include <vector> 24 #include "power_supply_provider.h" 25 #include "v1_1/ibattery_callback.h" 26 27 namespace OHOS { 28 namespace HDI { 29 namespace Battery { 30 namespace V1_1 { 31 enum EventType { 32 EVENT_UEVENT_FD, 33 EVENT_TIMER_FD, 34 }; 35 36 class BatteryThread { 37 public: 38 virtual ~BatteryThread() = default; 39 40 void StartThread(void* service); 41 void InitCallback(const sptr<OHOS::HDI::Battery::V1_1::IBatteryCallback>& callback); 42 protected: 43 int32_t LoopingThreadEntry(void* arg); 44 virtual void Run(void* service); 45 virtual void UpdateBatteryInfo(void* service); HandleStates()46 virtual void HandleStates() {} 47 virtual int32_t UpdateWaitInterval(); 48 void UpdateEpollInterval(int32_t chargeState); CycleMatters()49 virtual void CycleMatters() {} 50 private: 51 int32_t OpenUeventSocket(); 52 bool IsPowerSupplyEvent(const char* msg); 53 int32_t Init([[maybe_unused]]void* service); 54 int32_t InitUevent(); 55 void UeventCallback(void* service); 56 void SetTimerInterval(int32_t interval); 57 int32_t RegisterCallback(int32_t fd, EventType et); 58 static constexpr int32_t INVALID_FD = -1; 59 int32_t ueventFd_ = INVALID_FD; 60 int32_t epFd_ = INVALID_FD; 61 int32_t epollInterval_ = -1; 62 using Callback = std::function<void(BatteryThread*, void*)>; 63 std::map<int32_t, Callback> callbacks_; 64 std::unique_ptr<PowerSupplyProvider> provider_ = nullptr; 65 }; 66 } // namespace V1_1 67 } // namespace Battery 68 } // namespace HDI 69 } // namespace OHOS 70 71 #endif // BATTERY_THREAD_H 72