int tcp_conn_alloc(struct tcp_conn **tcp, const struct sa *peer,
tcp_estab_h *eh, tcp_recv_h *rh, tcp_close_h *ch,
void *arg)
{
struct tcp_conn *tc;
int err;
if (!tcp || !sa_isset(peer, SA_ALL))
return EINVAL;
tc = conn_alloc(NULL, eh, rh, ch, arg);
if (!tc)
return ENOMEM;
TInetAddr ia(sa_in(peer), sa_port(peer));
err = tc->ctc->Open(ia);
if (err)
goto out;
*tcp = tc;
out:
if (err) {
DEBUG_WARNING("conn_alloc: %J (%s)\n", peer, strerror(err));
mem_deref(tc);
}
return err;
}
int tcp_conn_bind(struct tcp_conn *tc, const struct sa *local)
{
if (!tc || !tc->ctc || !local)
return EINVAL;
TInetAddr ia(sa_in(local), sa_port(local));
return tc->ctc->Bind(ia);
}
int tcp_sock_bind(struct tcp_sock *ts, const struct sa *local)
{
if (!ts || !ts->cts || !local)
return EINVAL;
TInetAddr ia(sa_in(local), sa_port(local));
return ts->cts->Bind(ia);
}
int tcp_conn_connect(struct tcp_conn *tc, const struct sa *peer)
{
if (!tc || !tc->ctc || !sa_isset(peer, SA_ALL))
return EINVAL;
tc->active = true;
TInetAddr ia(sa_in(peer), sa_port(peer));
return tc->ctc->Connect(ia);
}
int udp_sock::listen(const struct sa *local)
{
TInetAddr ia(sa_in(local), sa_port(local));
const TInt ret = cus->iSocket.Bind(ia);
if (KErrNone != ret)
return kerr2errno(ret);
cus->StartReceiving();
return 0;
}
static bool net_rt_handler(const char *ifname, const struct sa *dst,
int dstlen, const struct sa *gw, void *arg)
{
(void)dstlen;
(void)arg;
if (sa_af(dst) != AF_INET)
return false;
if (sa_in(dst) == 0) {
natpmp_srv = *gw;
sa_set_port(&natpmp_srv, NATPMP_PORT);
info("natpmp: found default gateway %j on interface '%s'\n",
gw, ifname);
return true;
}
return false;
}
int udp_sock::send(const struct sa *dst, struct mbuf *mb)
{
struct sa hdst;
TRequestStatus stat;
int err = 0;
DEBUG_INFO("udp_sock::send %u bytes to %J\n", mbuf_get_left(mb), dst);
/* Check for error in e.g. connected state */
if (cerr) {
err = cerr;
cerr = 0; /* clear error */
return err;
}
/* call helpers in reverse order */
struct le *le = list_tail(&helpers);
while (le) {
struct udp_helper *uh;
uh = (struct udp_helper *)le->data;
le = le->prev;
if (dst != &hdst) {
sa_cpy(&hdst, dst);
dst = &hdst;
}
if (uh->sendh(&err, &hdst, mb, uh->arg) || err)
return err;
}
TInetAddr ia(sa_in(dst), sa_port(dst));
const TPtrC8 buf_tx(mb->buf + mb->pos, mb->end - mb->pos);
if (conn) {
cus->iSocket.Connect(ia, stat);
User::WaitForRequest(stat);
if (KErrNone != stat.Int()) {
DEBUG_WARNING("udp_sock::send Connect: kerr=%d\n",
stat.Int());
if (KErrGeneral == stat.Int())
return ECONNREFUSED;
}
#if 0
/* TODO: Cause Access-Violation in WINS emulator! */
cus->iSocket.Send(buf_tx, 0, stat);
#else
cus->iSocket.SendTo(buf_tx, ia, 0, stat);
#endif
}
else {
cus->iSocket.SendTo(buf_tx, ia, 0, stat);
}
User::WaitForRequest(stat);
return kerr2errno(stat.Int());
}
