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 CORE_DEVICE_NODE_H 17 #define CORE_DEVICE_NODE_H 18 #include <memory> 19 #include <string> 20 #include <vector> 21 22 namespace OHOS { 23 namespace HiviewDFX { 24 class EventReceiver { 25 public: EventReceiver()26 EventReceiver() {}; ~EventReceiver()27 virtual ~EventReceiver() {}; 28 virtual void HandlerEvent(const std::string& rawMsg) = 0; 29 }; 30 31 class DeviceNode { 32 public: DeviceNode()33 DeviceNode() {}; ~DeviceNode()34 virtual ~DeviceNode() {}; 35 virtual int Close() = 0; 36 virtual int Open() = 0; 37 virtual uint32_t GetEvents() = 0; 38 virtual std::string GetName() = 0; 39 virtual int ReceiveMsg(std::vector<std::shared_ptr<EventReceiver>> &receivers) = 0; 40 }; // DeviceNode 41 } // namespace HiviewDFX 42 } // namespace OHOS 43 #endif // CORE_DEVICE_NODE_H