mirror of
https://gitee.com/jiuyilian/embedded-framework.git
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113 lines
3.5 KiB
C++
113 lines
3.5 KiB
C++
/*
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* Copyright (c) 2023 Fancy Code.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MCU_PROTOCOL_H
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#define MCU_PROTOCOL_H
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#include "StatusCode.h"
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#include <cstddef>
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#include <list>
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#include <memory>
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#include <mutex>
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#include <semaphore.h>
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#include <thread>
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/**
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* @brief The context of protocol processing is used for the association binding of protocol data transmission and
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* reception, ensuring the correct logic of protocol question and answer.
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*
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*/
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class VProtocolContext
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{
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public:
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VProtocolContext() = default;
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virtual ~VProtocolContext() = default;
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};
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template <typename T>
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class ProtocolContext : public VProtocolContext
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{
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public:
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ProtocolContext(T &value) : mData(value) {}
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virtual ~ProtocolContext() = default;
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public:
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T mData;
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};
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class SingleMcuPacket
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{
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public:
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SingleMcuPacket(const void *buf, const size_t &length) : mBuf(buf), mLength(length) {}
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~SingleMcuPacket() = default;
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const void *mBuf;
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const size_t mLength;
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};
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class VProtocolBase
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{
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public:
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VProtocolBase() = default;
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virtual ~VProtocolBase() = default;
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protected:
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virtual std::shared_ptr<VProtocolBase> SharedFromThis(void) { return std::make_shared<VProtocolBase>(); }
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virtual size_t WriteData(const void *buff, const size_t buffLength, std::shared_ptr<VProtocolContext> &context,
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const unsigned int &serialNumber)
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{
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return 0;
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}
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protected:
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virtual size_t GetKeyHeadLength(void) { return 0; }
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virtual StatusCode GetDataLength(const void *keyHead, const size_t &headLength, size_t &dataLength)
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{
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return CreateStatusCode(STATUS_CODE_INVALID_PARAMENTER);
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}
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virtual void PushMcuData(const void *buf, const size_t &length) {}
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public:
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};
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class VProtocolRecv
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{
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public:
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VProtocolRecv() = default;
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virtual ~VProtocolRecv() = default;
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static std::shared_ptr<VProtocolRecv> &GetInstance(std::shared_ptr<VProtocolRecv> *impl = nullptr);
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virtual void GetIpcMissionReply(const unsigned int &serialNumber, const unsigned char &mission) {}
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};
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class McuProtocol : virtual public VProtocolBase
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{
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public:
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McuProtocol() = default;
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virtual ~McuProtocol() = default;
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const StatusCode Init(void);
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const StatusCode UnInit(void);
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const StatusCode GetIpcMission(std::shared_ptr<VProtocolContext> &context);
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const StatusCode CutOffPowerSupply(std::shared_ptr<VProtocolContext> &context);
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void DataHandleThread(void);
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protected:
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size_t GetKeyHeadLength(void) override;
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StatusCode GetDataLength(const void *keyHead, const size_t &headLength, size_t &dataLength) override;
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void PushMcuData(const void *buf, const size_t &length) override;
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private:
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StatusCode WriteProtocolData(const void *buff, const size_t buffLength, std::shared_ptr<VProtocolContext> &context,
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const unsigned int &serialNumber);
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private:
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std::mutex mMutex;
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sem_t mSem;
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std::thread mDataHandleThread;
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bool mThreadRuning;
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std::list<SingleMcuPacket> mMcuDataList;
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};
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#endif |