监听socket例子_salmonwilliam的博客

 tcpServer.c

#include<sys/socket.h>
#include<netinet/in.h>
#include<arpa/inet.h>
#include<signal.h>
#include<unistd.h>
#include<stdlib.h>
#include<assert.h>
#include<stdio.h>
#include<string.h>
#include<stdbool.h>
#include<libgen.h>
static bool stop=false;
static void handle_term(int sig)
{
    stop=true;
}
int main(int argc,char* argv[])
{
    signal(SIGTERM,handle_term);
    if(argc<=3)
    {
        printf("usage: %s ip_address port_number backlog\n",basename(argv[0]));
        return 1;
    }
    const char* ip=argv[1];
    int port=atoi(argv[2]);
    int backlog=atoi(argv[3]);

    int sock=socket(PF_INET,SOCK_STREAM,0);
    assert(sock>=0);

    // 创建一个ipv4地址
    struct sockaddr_in address;
    bzero(&address,sizeof(address));
    address.sin_family=AF_INET;
    inet_pton(AF_INET,ip,&address.sin_addr);
    address.sin_port=htons(port);

    // int  ret=bind(sock,(struct sockaddr*)&address,sizeof(address));
    // assert(ret!=-1);

    // ret=listen(sock,backlog);
    // assert(ret!=-1);
    if(bind(sock,(struct sockaddr *)&address,sizeof(address))==-1)
    {
    perror("bind error");
    exit(-1);
    }

    if(listen(sock,backlog)==-1)
    {
    perror("listen error");
    exit(-1);
    }

    while(!stop)
    {
        sleep(1);
    }

    close(sock);
    return 0;
}#include<sys/socket.h>
#include<