/* request config from an MS SQL server instance.
 *
 * The default port is 1434, If "Hide server" [sic] checkbox
 * has been ticked the port changes to 2433 which can
 * be forced using the net!ipaddr!2433 address symantics
 */
#include <u.h>
#include <libc.h>
#include <ip.h>
#include <ctype.h>

static void
ding(void *u, char *msg)
{
	USED(u);

	if(strstr(msg, "alarm"))
		noted(NCONT);
	noted(NDFLT);
}

static void
usage(void)
{
	fprint(2, "usage: %s host\n", argv0);
	exits("usage");
}

void
main(int argc, char **argv)
{
	int fd, n;
	char *p, *port, *addr, buf[1024];

	if (argc != 2)
		usage();

	addr = netmkaddr(argv[1], "udp", "1434");
	if((port = strrchr(addr, '!')) == nil)
		sysfatal("%s - cannot find port in network address\n", addr);
	port++;

	notify(ding);
	if((fd = dial(addr, port, 0, 0)) < 0)
		sysfatal("can't dial - %s : %r", argv[1]);

	*buf = 2;
	if (write(fd, buf, 1) != 1)
		sysfatal("can't write: %r");

	memset(buf, 0, sizeof(buf));
	alarm(300);
	if ((n = read(fd, buf, sizeof(buf))) < 2)
		sysfatal("timeout");
	alarm(0);
	buf[sizeof(buf)-1] = 0;

	if(n < 4)
		exits(nil);

	p = buf+3;
	if((p = strrchr(p, ';')) != nil)
		*p = 0;

	p = buf+3;
	while(p-buf < n-4){
		if((p = strchr(p, ';')) != nil)
			*p = '=';
		if((p = strchr(p, ';')) != nil)
			*p = '\n';
	}

	print("%s", buf+3);

	exits(nil);
}