#include "def"
main(int argc, char *argv[])
{
	int                                     listenfd, connfd;
	socklen_t                       len;
	struct sockaddr_in6      servaddr, cliaddr;
	char                            buff[1024];
	time_t                          ticks;



        if (argc < 2){
                printf("Usage DayTimeServer6SctpS  <port>\n");
                exit(-1);
        }

	listenfd = socket (AF_INET6,SOCK_STREAM,IPPROTO_SCTP);
	servaddr.sin6_family = AF_INET6;
	servaddr.sin6_addr   = in6addr_any;
	servaddr.sin6_port = htons(atoi(argv[1]));


	if (   bind( listenfd, (SA *) &servaddr, sizeof(servaddr) ) < 0 ){
		printf("error binding\n");
		exit(-1) ;
	}

	len = sizeof(cliaddr);
	getsockname(listenfd, (SA *) &cliaddr, &len);
	printf("My end: %s, port %d\n",
	    inet_ntop(AF_INET6, &cliaddr.sin6_addr, buff, sizeof(buff)), 
	    ntohs(cliaddr.sin6_port));

	listen(listenfd,1);
	for ( ; ; ) {
		len = sizeof(cliaddr);
		connfd = accept(listenfd, (SA *) &cliaddr, &len);
		printf("Connection from %s, port %d\n",
		    inet_ntop(AF_INET6, &cliaddr.sin6_addr, buff, sizeof(buff)), 
		    ntohs(cliaddr.sin6_port));
		len = sizeof(cliaddr);
		getsockname(connfd, (SA *) &cliaddr, &len);
		printf("My end: %s, port %d\n",
		    inet_ntop(AF_INET6, &cliaddr.sin6_addr, buff, sizeof(buff)), 
		    ntohs(cliaddr.sin6_port));

		len = sizeof(cliaddr);
		getpeername(connfd, (SA *) &cliaddr, &len);
		printf("Peer end: from %s, port %d\n",
		    inet_ntop(AF_INET6, &cliaddr.sin6_addr, buff, sizeof(buff)), 
		    ntohs(cliaddr.sin6_port));

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