Train_RFID_Linux/code/BaseSocket/BaseSocket.cpp

//
// Created by matrixai on 3/26/24.
//

#include "BaseSocket.h"

//构造函数
//输入参数：无
//输出参数：无
//返回值：无
BaseSocket::BaseSocket()
{

}

//析构函数
//输入参数：无
//输出参数：无
//返回值：无
BaseSocket::~BaseSocket()
{
}

//打开socket
//输入参数：无
//输出参数：无
//返回值：无
void BaseSocket::Open()
{
    nSocketId = socket(AF_INET, SOCK_STREAM, 0); //SOCK_NONBLOCK

    if(nSocketId == -1)
    {
        bRun = false;
    } else {

        struct timeval recvTimersetting;
        //接收超时时间固定3秒
        recvTimersetting.tv_sec = 3;
        recvTimersetting.tv_usec = 0;

        //设定接收超时时间
        setsockopt(nSocketId, SOL_SOCKET, SO_RCVTIMEO, &recvTimersetting, sizeof(recvTimersetting));

        struct timeval sendTimersetting;
        //发送超时时间固定3秒
        sendTimersetting.tv_sec = 3;
        sendTimersetting.tv_usec = 0;

        //设定发送超时时间c
        setsockopt(nSocketId, SOL_SOCKET, SO_SNDTIMEO, &sendTimersetting, sizeof(sendTimersetting));

    }
}

//设定socket所用的IP对应的端口号
//输入参数：
//				int port:
//输出参数：无
//返回值：无
void BaseSocket::SetPort(int port, std::string strIp)
{
    memset(&serv_addr, 0, sizeof(serv_addr));
    serv_addr.sin_family = AF_INET;
    serv_addr.sin_port = htons(port); //没有使用的端口
    serv_addr.sin_addr.s_addr = inet_addr(strIp.c_str()); //本地所有的IP
}

//socket初始化，进行bind/listen/accept处理
//输入参数：无
//输出参数：无
//返回值：无
void BaseSocket::Init()
{
/*
	bind(nSocketId, (struct sockaddr*)&serv_addr, sizeof(serv_addr));

	//请求排队的最大长度固定为64
	listen(nSocketId, 64);
	struct sockaddr_in clien_addr;

	nConnectId = accept(nSocketId, (struct sockaddr*)&clien_addr, &clien_len);

*/
    socklen_t serv_len = sizeof(serv_addr);
    nConnectId = connect(nSocketId, (struct sockaddr*)&serv_addr, serv_len);

    if(nConnectId >= 0){
        bRun = true;
    }
}

//从socket读取数据
//输入参数：无
//输出参数：无
//返回值：
//				int len：读取到的数据长度
int BaseSocket::Read()
{
    memset(chbuffer, 0x00, sizeof(chbuffer));
    int len = recv(nSocketId, chbuffer, (sizeof(chbuffer) - 1), 0);
    if(nConnectId < 0 || len == 0) bRun = false;
    return len;
}

int BaseSocket::Monitor()
{
    memset(chbuffer, 0x00, sizeof(chbuffer));
    chbuffer[0] = 0x30;
    int len = send(nSocketId, chbuffer, (sizeof(chbuffer) - 1), 0);
    if(nConnectId < 0 || len == 0) bRun = false;
    return len;
}

//返回socket状态是否连接
//输入参数：无
//输出参数：无
//返回值：
//				bool bRun：true正常运行 false未连接
bool BaseSocket::bRuning()
{
    return bRun;
}

//关闭socket
//输入参数：无
//输出参数：无
//返回值：无
void BaseSocket::Close()
{
    if(nConnectId != 0){
        close(nConnectId);
    }
    if(nSocketId != 0){
        close(nSocketId);
    }
    bRun = false;
}