VxWorks中实现TCP/IP数据传输的示例代码

这是一份关于如何在VxWorks系统中通过TCP/IP协议进行数据传输的示例代码。通过该代码可以了解到VxWorks中TCP/IP协议基本使用方法和网络数据传输的流程实现。

/* 创建TCP服务器并接收数据 */
#include <stdio.h>
#include <string.h>
#include <sockLib.h>
#include <inetLib.h>

#define SERVER_PORT_NUM 3300  // 服务器监听端口号

void tcpServerTask(void)
{
    int serverFd, newFd;
    int clientAddrLen;
    struct sockaddr_in serverAddr;
    struct sockaddr_in clientAddr;
    char buffer[256];

    /* 创建服务器套接字 */
    bzero((char*)&serverAddr, sizeof(serverAddr));
    serverAddr.sin_family = AF_INET;
    serverAddr.sin_port = htons(SERVER_PORT_NUM);
    serverFd = socket(AF_INET, SOCK_STREAM, 0);
    bind(serverFd, (struct sockaddr *)&serverAddr, sizeof(serverAddr));
    listen(serverFd, 5);

    printf("TCP server is listening at port %d...\n", SERVER_PORT_NUM);

    /* 等待客户端的连接请求 */
    clientAddrLen = sizeof(clientAddr);
    newFd = accept(serverFd, (struct sockaddr *)&clientAddr, &clientAddrLen);
    printf("TCP server: received connection from %s\n", inet_ntoa(clientAddr.sin_addr));

    /* 接收客户端发送的数据 */
    bzero(buffer, sizeof(buffer));
    recv(newFd, buffer, sizeof(buffer), 0); 

    printf("TCP server: received data %s\n", buffer);

    close(newFd);
    close(serverFd);
}

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