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 #ifndef HDC_TASK_H 16 #define HDC_TASK_H 17 #include "common.h" 18 19 namespace Hdc { 20 // Only allow inheritance 21 class HdcTaskBase { 22 public: 23 HdcTaskBase(HTaskInfo hTaskInfo); 24 virtual ~HdcTaskBase(); CommandDispatch(const uint16_t command,uint8_t * payload,const int payloadSize)25 virtual bool CommandDispatch(const uint16_t command, uint8_t *payload, const int payloadSize) 26 { 27 return true; 28 } 29 // The following two functions are used to clean up. To ensure that subclasses are safely cleaned, each subclass is 30 // directly instantified of these two virtual functions. StopTask()31 virtual void StopTask() 32 { 33 singalStop = true; // default operation 34 } 35 virtual bool ReadyForRelease(); 36 void TaskFinish(); 37 38 protected: // D/S==daemon/server 39 bool SendToAnother(const uint16_t command, uint8_t *bufPtr, const int size); // D / S corresponds to the Task class 40 void LogMsg(MessageLevel level, const char *msg, ...); // D / S log Send to Client 41 bool ServerCommand(const uint16_t command, uint8_t *bufPtr, const int size); // D / s command is sent to Server 42 int ThreadCtrlCommunicate(const uint8_t *bufPtr, const int size); // main thread and session thread 43 44 uv_loop_t *loopTask; // childuv pointer 45 void *clsSession; 46 // Task has stopped running. When Task is officially running, set True as soon as possible, set FALSE after the last 47 // step, when the value is false, the Task class will be destructured as soon as possible 48 bool childReady; // Subcompulents have been prepared 49 bool singalStop; // Request stop signal 50 HTaskInfo taskInfo; 51 uint32_t refCount; 52 53 private: 54 }; 55 } // namespace Hdc 56 57 #endif