int
mdns_lookup_rev(struct mdns *m, struct in_addr *addr)
{
char name[MAXHOSTNAMELEN];
reversstr(name, addr);
name[sizeof(name) - 1] = '\0';
return (mdns_lookup_PTR(m, name));
}
int
main(int argc, char *argv[])
{
int sockfd;
struct mdns mdns;
struct mdns_service ms;
/* parse options */
if ((res = parse(argc - 1, argv + 1)) == NULL)
exit(1);
if ((sockfd = mdns_open(&mdns)) == -1)
err(1, "mdns_open");
mdns_set_lookup_A_hook(&mdns, my_lookup_A_hook);
mdns_set_lookup_PTR_hook(&mdns, my_lookup_PTR_hook);
mdns_set_lookup_HINFO_hook(&mdns, my_lookup_HINFO_hook);
mdns_set_browse_hook(&mdns, my_browse_hook);
mdns_set_resolve_hook(&mdns, my_resolve_hook);
mdns_set_group_hook(&mdns, my_group_hook);
/* process user request */
switch (res->action) {
case NONE:
usage();
/* not reached */
break;
case LOOKUP:
if (res->flags & F_A || res->flags == 0)
if (mdns_lookup_A(&mdns, res->hostname) == -1)
err(1, "mdns_lookup_A");
if (res->flags & F_HINFO)
if (mdns_lookup_HINFO(&mdns, res->hostname) == -1)
err(1, "mdns_lookup_A");
if (res->flags & F_PTR)
if (mdns_lookup_PTR(&mdns, res->hostname) == -1)
err(1, "mdns_lookup_A");
break;
case RLOOKUP:
if (mdns_lookup_rev(&mdns, &res->addr) == -1)
err(1, "mdns_lookup_A");
break;
case BROWSE_PROTO:
if (mdns_browse_add(&mdns, res->app, res->proto) == -1)
err(1, "mdns_browse_add");
break; /* NOTREACHED */
case PUBLISH:
if (mdns_group_add(&mdns, res->srvname) == -1)
err(1, "mdns_group_add");
if (mdns_service_init(&ms, res->srvname, res->app, res->proto,
res->port, res->txtstring, NULL, NULL) == -1)
errx(1, "mdns_service_init");
if (mdns_group_add_service(&mdns, res->srvname, &ms) == -1)
errx(1, "mdns_group_add_service");
if (mdns_group_commit(&mdns, res->srvname) == -1)
errx(1, "mdns_group_commit");
break;
case PROXY:
if (mdns_group_add(&mdns, res->srvname) == -1)
err(1, "mdns_group_add");
if (mdns_service_init(&ms, res->srvname, res->app, res->proto,
res->port, res->txtstring, res->hostname, &res->addr) == -1)
errx(1, "mdns_service_init");
if (mdns_group_add_service(&mdns, res->srvname, &ms) == -1)
errx(1, "mdns_group_add_service");
if (mdns_group_commit(&mdns, res->srvname) == -1)
errx(1, "mdns_group_commit");
break;
default:
errx(1, "Unknown action");
break; /* NOTREACHED */
}
for (; ;) {
ssize_t n;
n = mdns_read(&mdns);
fflush(stdout);
if (n == -1)
err(1, "mdns_read");
if (n == 0)
errx(1, "Server closed socket");
if ((res->action == LOOKUP ||
res->action == RLOOKUP)
&& res->flags == 0)
exit(0);
}
}
