void
processreslist_cb (str desc, vec<ptr<node> > *list,
chord_nodelistextres *res, clnt_stat status)
{
outstanding--;
if (status) {
errors++;
warnx << "no " << desc << ": " << status << "\n";
if (outstanding == 0)
finish ();
return;
}
size_t sz = res->resok->nlist.size ();
vec<chord_node> zs;
for (size_t i = 0; i < sz; i++) {
ptr<node> nn = New refcounted<node> (i, res->resok->nlist[i]);
list->push_back (nn);
if (do_reverse_lookup) {
outstanding++;
struct in_addr ar;
ar.s_addr = htonl (res->resok->nlist[i].n.machine_order_ipv4_addr);
dns_hostbyaddr (ar, wrap (&dns_lookup_cb, nn));
}
}
delete res;
if (outstanding == 0)
finish ();
}
void
f_node::dnslookup (void)
{
struct in_addr ar;
inet_aton (host, &ar);
dns_hostbyaddr (ar, wrap (this, &f_node::dnslookup_cb));
hostname = host;
}
void
identptr (int fd, callback<void, str, ptr<hostent>, int>::ref cb)
{
struct sockaddr_in la, ra;
socklen_t len;
len = sizeof (la);
bzero (&la, sizeof (la));
bzero (&ra, sizeof (ra));
errno = 0;
if (getsockname (fd, (struct sockaddr *) &la, &len) < 0
|| la.sin_family != AF_INET
|| getpeername (fd, (struct sockaddr *) &ra, &len) < 0
|| ra.sin_family != AF_INET
|| len != sizeof (la)) {
warn ("ident: getsockname/getpeername: %s\n", strerror (errno));
(*cb) ("*disconnected*", NULL, ARERR_CANTSEND);
return;
}
u_int lp = ntohs (la.sin_port);
la.sin_port = htons (0);
u_int rp = ntohs (ra.sin_port);
ra.sin_port = htons (AUTH_PORT);
int ifd = socket (AF_INET, SOCK_STREAM, 0);
if (ifd >= 0) {
close_on_exec (ifd);
make_async (ifd);
if (connect (ifd, (sockaddr *) &ra, sizeof (ra)) < 0
&& errno != EINPROGRESS) {
close (ifd);
ifd = -1;
}
}
identstat *is = New identstat;
is->err = 0;
is->cb = cb;
is->host = inet_ntoa (ra.sin_addr);
if (ifd >= 0) {
is->ncb = 2;
close_on_exec (ifd);
is->a = aios::alloc (ifd);
is->a << rp << ", " << lp << "\r\n";
is->a->settimeout (15);
is->a->readline (wrap (is, &identstat::identcb));
}
else
is->ncb = 1;
dns_hostbyaddr (ra.sin_addr, wrap (is, &identstat::dnscb));
}