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 OHOS_DISTRIBUTED_HARDWARE_LOCAL_HARDWARE_MANAGER_H 17 #define OHOS_DISTRIBUTED_HARDWARE_LOCAL_HARDWARE_MANAGER_H 18 19 #include <map> 20 #include <memory> 21 #include <vector> 22 23 #include "device_type.h" 24 #include "ihardware_handler.h" 25 #include "single_instance.h" 26 27 namespace OHOS { 28 namespace DistributedHardware { 29 namespace { 30 constexpr int32_t QUERY_INTERVAL_TIME = 1000 * 1000; // 1s 31 constexpr int32_t QUERY_RETRY_MAX_TIMES = 30; 32 } 33 34 class LocalHardwareManager { 35 DECLARE_SINGLE_INSTANCE_BASE(LocalHardwareManager); 36 37 public: 38 LocalHardwareManager(); 39 ~LocalHardwareManager(); 40 void Init(); 41 void UnInit(); 42 43 private: 44 void QueryLocalHardware(const DHType dhType, IHardwareHandler *hardwareHandler); 45 void AddLocalCapabilityInfo(const std::vector<DHItem> &dhItems, const DHType dhType); 46 47 private: 48 std::map<DHType, IHardwareHandler*> compToolFuncsMap_; 49 }; 50 } 51 } 52 #endif 53