VxWorks网络编程示例与常见问题解答

本文提供一段VxWorks网络编程的示例代码，涵盖功能、实现方式以及常见问题解答。通过详细的注释和代码解释，读者可以了解在VxWorks环境下如何实现基本的网络通信。

#include <vxWorks.h>
#include <sockLib.h>
#include <inetLib.h>

void vxworks_network_example() {
    int serverSocket, clientSocket;
    struct sockaddr_in serverAddr, clientAddr;
    int port = 12345;

    // 创建服务器套接字
    if ((serverSocket = socket(AF_INET, SOCK_STREAM, 0)) == ERROR) {
        perror("socket creation failed");
        return;
    }

    bzero((char *)&serverAddr, sizeof(serverAddr));
    serverAddr.sin_family = AF_INET;
    serverAddr.sin_len = sizeof(serverAddr);
    serverAddr.sin_port = htons(port);
    serverAddr.sin_addr.s_addr = htonl(INADDR_ANY);

    // 绑定服务器套接字
    if (bind(serverSocket, (struct sockaddr *)&serverAddr, sizeof(serverAddr)) == ERROR) {
        perror("socket bind failed");
        close(serverSocket);
        return;
    }

    // 监听连接
    if (listen(serverSocket, 5) == ERROR) {
        perror("socket listen failed");
        close(serverSocket);
        return;
    }

    printf("Server listening on port %d...\n", port);

    // 接受客户端连接
    int clientAddrLen = sizeof(clientAddr);
    if ((clientSocket = accept(serverSocket, (struct sockaddr *)&clientAddr, &clientAddrLen)) == ERROR) {
        perror("accept failed");
        close(serverSocket);
        return;
    }

    printf("Client connected from %s\n", inet_ntoa(clientAddr.sin_addr));

    // 在此处添加数据收发逻辑

    // 关闭套接字
    close(clientSocket);
    close(serverSocket);
}

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