1 /*
2  * Copyright (c) 2022-2024 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 
19 #include <memory>
20 #include <string>
21 #include <vector>
22 
23 #include "base/raw_data.h"
24 
25 namespace OHOS {
26 namespace HiviewDFX {
27 class EventReceiver {
28 public:
EventReceiver()29     EventReceiver() {};
~EventReceiver()30     virtual ~EventReceiver() {};
31     virtual void HandlerEvent(std::shared_ptr<EventRaw::RawData> rawData) = 0;
32 };
33 
34 class DeviceNode {
35 public:
DeviceNode()36     DeviceNode() {};
~DeviceNode()37     virtual ~DeviceNode() {};
38     virtual int Close() = 0;
39     virtual int Open() = 0;
40     virtual uint32_t GetEvents() = 0;
41     virtual std::string GetName() = 0;
42     virtual int ReceiveMsg(std::vector<std::shared_ptr<EventReceiver>> &receivers) = 0;
43     virtual bool IsValidMsg(char* msg, int32_t len) = 0;
44 }; // DeviceNode
45 } // namespace HiviewDFX
46 } // namespace OHOS
47 #endif // CORE_DEVICE_NODE_H