Vscode mingw下opencv及多线程socket(2)--Apple的学习笔记

对应我上一篇文章Vscode mingw下opencv及多线程socket中待完成任务。
工程共享路径(在code/02文件夹中): https://github.com/AppleCai/Display

一,本周做了变更(版本变更为0.2)

1. 重新设计了交互协议。对于接收头及数据的解析使用了状态模式设计。
2. 添加了心跳检测功能:server每隔1s发给client,client检查若5s内没收到则断开连接。
3. 数据/控制/显示进行了分离设计,删除了之前使用线程挂起的方式来实现暂停方式。
4. 代码进行了重构,线程由原来的socket和key,还增加了HMI和控制线程。
5. 文件结构变更,拆分为如下6个模块
   socket主要用来传输命令和数据。
   控制模块主要控制是否正常传输数据,是否传输心跳数据命令,是否暂停显示。
   key主要扫描s键(是否暂停传输),j键(是否暂停显示)
Vscode mingw下opencv及多线程socket(2)--Apple的学习笔记_第1张图片
协议.png

Vscode mingw下opencv及多线程socket(2)--Apple的学习笔记_第2张图片
简易图.png

二,后续更新版本说明:

之前的2.1/2.2/2.3基本完成,后续需要完成

2.4 HMI图片显示添加ROI区域显示张数及叠加特质logo。(使用智能指针及模板类)
2.5 Server端切换到linux系统上。
2.6 重构HMI,分离为一个进程。
2.7 添加对图片的监视作用,添加弹窗报警及logDTC记录。(目的是使用进程间通信和共享内存)
2.8 添加守护进程。
2.9 进行性能测试,进行优化。

三,头文件:

    #ifndef CTRL_HPP
    #define CTRL_HPP
    #include "head.hpp"
    class key;
    class ServerEx;
    class HMI;
    class display;
    class ctrl
    {
    public:
        enum typeMain{transData=1,beat=2,otherType=3};
        enum typeSubMain{disable=0,enable=1,otherSubType=2};
        //typedef std::shared_ptr Ptr;
        ctrl(display* disp);
        ~ctrl(){};
        void ctrllogic();
        void ctrllogicTrans();
        void ctrllogicHMI();
        void checksubType();
        int cmdType,cmdSubType;
    private:
        key* _mykey;
        ServerEx* _myServerEx;
        HMI* _myHmi;
    };
    #endif
    #ifndef DISPLAY_HPP
    #define DISPLAY_HPP
    #include "head.hpp"
    class display
    {
    public:
        //typedef std::shared_ptr Ptr;
        display();
        ~display(){};
        void run(display* disp);
        ServerEx* _myServerEx;
        ctrl* _myctrl;
        HMI* _myHMI;
        key* _mykey;
    };
    #endif
    #ifndef HMI_HPP
    #define HMI_HPP
    #include "head.hpp"
    
    class HMI
    {
    public:
        //typedef std::shared_ptr Ptr;
        HMI(display* disp);
        ~HMI(){};
        void DisplayFrame(ServerEx* serv);
        void SetShowEn(bool cmd);
    private:
       bool _showEn; 
    };
    
    #endif
    #ifndef KEY_HPP
    #define KEY_HPP
    #include "head.hpp"
    
    class key
    {
    public:
      //typedef std::shared_ptr Ptr;
      key(display* disp);
      ~key(){};
      int KeyDetect();
      bool getJumpInfo();
      bool getTransCmd();
    private:
      bool jump;
      bool status;
    };
    
    #endif
    #ifndef LOCK_HPP
    #define LOCK_HPP
    #include "head.hpp"
    
    class mylock
    {
    public:
      //typedef std::shared_ptr Ptr;
      mylock(){};
      ~mylock(){};
      void startLock();
      void stopLock();
      void startLockCmd();
      void stopLockCmd();
      void waitEvent();
      void eventTrigger();
    private:
    };
    
    #endif
    #ifndef SERVER_HPP
    #define SERVER_HPP
    #include "head.hpp"
    
    class recvhandler;
    class recvState
    {
    public:
      //typedef std::shared_ptr Ptr;
      virtual void revHead(){};
      virtual void revCmd(){};
      virtual void revData(){};
      virtual void CurrentState(recvhandler *handler){};
      std::vector vec;
      ServerEx *myServerEx;
    
      static int Msglength;
      static unsigned char Msgbuffer[1024];
    protected:
      const unsigned char RECHEAD_SIZE = 4;
      const unsigned char RECCMD_SIZE = 6;
      const unsigned char TYPE_INDEX = 0;
      const unsigned char SUBTYPE_INDEX = 1;
      const unsigned char LEN_INDEX = 2;
      const unsigned int BUFFER_SIZE = 1024;
      bool recv_OK;
    };
    
    
    class recvhandler
    {
    public:
      recvhandler(recvState *state,ServerEx *myServ) : _recvState(state),_myServ(myServ) {}
      ~recvhandler() { delete _recvState; }
      void SetState(recvState *state)
      {
        delete _recvState;
        _recvState = state;
      }
      void GetState() { _recvState->CurrentState(this); }
      ServerEx *_myServ;
    private:
      recvState *_recvState;
      
    };
    
    class revHeadState : public recvState
    {
    public:
      revHeadState(ServerEx * serv);
      ~revHeadState(){};
      void revHead(recvhandler *handler);
      void CurrentState(recvhandler *handler);
      ServerEx* myServerEx;
    private:
      
    };
    
    class revCmdState : public recvState
    {
    public:
      revCmdState(ServerEx * serv);
      void revCmd(recvhandler *handler);
      void CurrentState(recvhandler *handler);
    };
    
    class revDataState : public recvState
    {
    public:
      revDataState(ServerEx * serv);
      void revData(recvhandler *handler);
      void CurrentState(recvhandler *handler);
    };
    
    class baseServer
    {
    public:
      enum status
      {
        E_OK = 0,
        E_NOK = -1
      };
      baseServer();
      ~baseServer(){};
      int socketCreate(int type, int way, int ip, int port);
      int socketBind(void);
      int socketListen(int num);
      int socketAccept(void);
      virtual int socketDataHandler() = 0;
      int socketDisconnect(void);
      int socketCloseServer(void);
      int getConnectfd(void);
    
    private:
      int serverfd, connectfd;
      struct sockaddr_in serveraddr;
    };
    
    class mylock;
    class ServerEx : public baseServer
    {
    public:
      //typedef std::shared_ptr Ptr;
      ServerEx(display* disp);
      ~ServerEx(){};
      void sendBeatCmd();
      void sendTrans(bool cmd);
      int socketDataHandler();
      int ReceiveDataFrame();
      int socketSendBeatFrame(uchar *cmdFrame);
      int socketSendCmdFrame(uchar *cmdFrame);
      void BeatDetect();
      int getBeat();
      void resetBeat();
      recvState *_myRecv;
      cv::Mat Img;
      bool revOK;
    private:
      int sendCmd, sendSubCmd;
      uchar cmdBuff[10];
      mylock *_mylock;
      int beat; /* keep alive signal with every 1s */
      bool once;
      
    };
    #endif

效果图

效果图2.png

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