Program Listing for File socket.hpp

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#ifndef SOCKET_HPP
#define SOCKET_HPP

#ifdef _MSC_VER
#include <winsock2.h>
#else
#include <arpa/inet.h>
#endif
#include <array>
#include <vector>
#include <queue>

#include <string>


#define CONNECTION_TRY_COUNT 999

#define RS_TIMEOUT_S    3
#define RS_TIMEOUT_NS   0

#define STX 0x02
#define ETX 0x03

//#define PRINT_DEBUG

class Communication
{
  public:
    virtual int CommConnect(std::string addr, uint16_t port) = 0;
    virtual int CommRead(unsigned char* buffer, int buf_size) = 0;
    virtual int CommWrite(unsigned char* buffer, int buf_size) = 0;
    virtual void CommDisconnect() = 0;

    virtual bool IsConnected() = 0;
    std::queue<std::vector<unsigned char>> recvQueue;
};


class tcpComm : public Communication
{
  public:
    tcpComm();
    ~tcpComm();

    int CommConnect(std::string addr, uint16_t port);
    int CommRead(unsigned char* buffer, int buf_size);
    int CommWrite(unsigned char* buffer, int buf_size);
    void CommDisconnect();

    bool IsConnected(void);


    friend void* readCallback(void* arg);
#ifdef _MSC_VER
    SOCKET getServerSocket(void);
#else
    int getServerSocket(void);
#endif

    bool getthreadRunning(void);
    bool getRcvTimeout(void);
    bool getRcvError(void);

    void setConnected(bool flag);
    void setThreadRunning(bool flag);
    void setRcvTimeout(bool flag);
    void setRcvError(bool flag);

  private:
    void putBufToMsg(unsigned char* buf, uint16_t size);

    sockaddr_in m_server_addr_;
    std::thread thread_read_;
    std::string addr_st_;
    uint16_t port_num_;

#ifdef _MSC_VER
    SOCKET m_server_sock_;
#else
    int m_server_sock_;
#endif
    bool thread_running_;
    bool m_connected_;
    bool rcv_timeout_;
    bool rcv_error_;
};

#endif