使用vxWorks实现TCP/IP通信的示例代码

此示例代码演示如何使用vxWorks操作系统实现TCP/IP通信。它包括创建不同类型的套接字、绑定套接字、监听套接字、接受连接请求等基本操作。

#include <vxWorks.h>
#include <taskLib.h>
#include <inetLib.h>
#include <ioLib.h>

void tcpServer()
{
    int sockFd, newSockFd, port, clientAddrLen, fd, n;
    struct sockaddr_in serverAddr, clientAddr;
    char buf[1024];

    port = 8080;
    sockFd = socket(AF_INET, SOCK_STREAM, 0);
    if (sockFd < 0)
    {
        perror("socket");
        return;
    }

    memset(&serverAddr, 0, sizeof(struct sockaddr_in));
    serverAddr.sin_family = AF_INET;
    serverAddr.sin_port = htons(port);
    serverAddr.sin_addr.s_addr = htonl(INADDR_ANY);

    if (bind(sockFd, (struct sockaddr *)&serverAddr, sizeof(serverAddr)) < 0)
    {
        perror("bind");
        return;
    }

    if (listen(sockFd, 5) < 0)
    {
        perror("listen");
        return;
    }

    clientAddrLen = sizeof(clientAddr);
    while (1)
    {
        newSockFd = accept(sockFd, (struct sockaddr *)&clientAddr, &clientAddrLen);
        if (newSockFd < 0)
        {
            perror("accept");
            return;
        }

        memset(buf, 0, sizeof(buf));
        while ((n = recv(newSockFd, buf, sizeof(buf), 0)) > 0)
        {
            if (write(newSockFd, buf, n) < 0)
            {
                perror("write");
                break;
            }
            memset(buf, 0, sizeof(buf));
        }

        if (n < 0)
        {
            perror("recv");
            close(newSockFd);
            return;
        }

        close(newSockFd);
    }

    close(sockFd);
}

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