1 /* 2 * Copyright (c) 2021-2022 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 GET_DEVICE_NODE_H 17 #define GET_DEVICE_NODE_H 18 19 #include "msg_head.h" 20 21 #define DeviceMapData std::map<std::string, std::vector<std::string>> 22 23 namespace OHOS { 24 namespace MMI { 25 class GetDeviceNode { 26 public: 27 GetDeviceNode(); 28 ~GetDeviceNode() = default; 29 int32_t GetDeviceNodeName(const std::string& targetName, std::string& deviceNode, uint16_t devIndex = 0); 30 private: 31 void InitDeviceInfo(); 32 int32_t ExecuteCmd(const std::string cmd, std::vector<std::string> &cmdResult); 33 void GetDeviceInfoCmdResult(const std::vector<std::string>& cmdResult, DeviceMapData& deviceMapData); 34 private: 35 std::map<std::string, std::string> deviceMap_; 36 static constexpr int32_t READ_CMD_BUFF_SIZE = 1024; 37 static constexpr int32_t CMD_EVENT_LENGTH = 6; 38 }; 39 } // namespace MMI 40 } // namespace OHOS 41 #endif // GET_DEVICE_NODE_H