#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <time.h>
#include <string.h>
#include <stdio.h>
#include <stdio.h>
#include <unistd.h>

#define MAXLINE     1024
#define LISTENQ     100
#define PORT_NUM    9999

int main(int argc, char **argv)
{
    int                 listenfd, connfd;
    socklen_t           len;
    struct sockaddr_in  servaddr, cliaddr;
    char                buff[MAXLINE];
    time_t              ticks;

    listenfd = socket (AF_INET, SOCK_STREAM, 0);

    // bzero(&servaddr, sizeof(servaddr));  -- deprecated
    memset (&servaddr, 0, sizeof(servaddr));
    servaddr.sin_family      = AF_INET;
    servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
    servaddr.sin_port        = htons(PORT_NUM); /* daytime server */

    bind(listenfd, (struct sockaddr *) &servaddr, sizeof(servaddr));

    listen(listenfd, LISTENQ);

    for ( ; ; ) {
        len = sizeof(cliaddr);
		// sleep (100000);
        connfd = accept(listenfd, (struct sockaddr *) &cliaddr, &len);
        printf("connection from %s, port %d\n",
               inet_ntoa(cliaddr.sin_addr), ntohs(cliaddr.sin_port));

        ticks = time(NULL);
        snprintf(buff, sizeof(buff), "%.24s\r\n", ctime(&ticks));
        write(connfd, buff, strlen(buff));

        close(connfd);
    }
}