本地socket源码

服务端

#include <stdio.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/un.h>

#define log(fmt,...) printf("%s:%d:"fmt"\n",__func__,__LINE__,##__VA_ARGS__)

void test()
{
    unlink("server_socket");
    int server_sockfd;

    struct sockaddr_un server_addr;
    server_addr.sun_family = AF_UNIX;
    strcpy(server_addr.sun_path, "server_socket");

    server_sockfd = socket(AF_UNIX, SOCK_STREAM, 0);

    bind(server_sockfd, (struct sockaddr *)&server_addr, sizeof(server_addr));

    listen(server_sockfd, 5);

    int client_sockfd;
    struct sockaddr_un client_addr;
    socklen_t len = sizeof(client_addr);

    client_sockfd = accept(server_sockfd, (struct sockaddr *)&client_addr, &len);

    char buf[1024];
    read(client_sockfd, buf, sizeof(buf));

    log("%s",buf);
    close(client_sockfd);
    close(server_sockfd);
}

int main()
{
    log("test");
    test();

    return 0;
}

 

客户端

#include <stdio.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/un.h>

#define log(fmt,...) printf("%s:%d:"fmt"\n",__func__,__LINE__,##__VA_ARGS__)

void test()
{
    int client_sockfd;

    struct sockaddr_un client_addr;
    client_addr.sun_family = AF_UNIX;
    strcpy(client_addr.sun_path, "server_socket");

    client_sockfd = socket(AF_UNIX, SOCK_STREAM, 0);

    connect(client_sockfd, (struct sockaddr *)&client_addr, sizeof(client_addr));

    char buf[1024] = "hello";
    write(client_sockfd, buf, sizeof(buf));

    close(client_sockfd);
    
}

int main()
{
    log("test");
    test();

    return 0;
}