static void
udpsvc_process(udpsvc_t *svc)
{
int addrlen, cc;
struct sockaddr_in addr;
struct gdexception exception_frame;
update_udp_av();
exception_frame.e_exception = exception;
exception_frame.e_catch = 0;
exception = &exception_frame;
if (setjmp(exception_frame.e_context) == 0)
{
push_string(inet_ntoa(addr.sin_addr), STRING_MSTRING);
push_string((char *)nq_rptr(svc->nq), STRING_MSTRING);
(void)apply_master_ob(M_INCOMING_UDP, 2);
}
exception = exception->e_exception;
addrlen = sizeof (addr);
if (!read_datagram(svc)) {
nd_enable(svc->nd, ND_R);
svc->task = 0;
return;
}
reschedule_task(svc->task);
}
/*
* Send the contents of the canonical queue to the interactive object.
*/
static void
telnet_eol(telnet_t *tp)
{
char *cp;
if (tp->t_flags & TF_SYNCH)
return;
if (nq_full(tp->t_canq))
{
tp->t_flags &= ~TF_OVFLCANQ;
cp = "";
}
else
{
nq_putc(tp->t_canq, '\0');
cp = (char *)nq_rptr(tp->t_canq);
}
if (tp->t_flags & TF_ATTACH)
interactive_input(tp->t_ip, cp);
nq_init(tp->t_canq);
tp->t_flags &= ~TF_GA;
}
static void
telnet_interactive(void *vp)
{
telnet_t *tp = vp;
char *cp;
if (!(tp->t_flags & TF_ATTACH)) {
tp->task = NULL;
telnet_shutdown(tp->t_nd, tp);
return;
}
if (tp->t_flags & TF_DISCONNECT) {
tp->t_flags &= ~TF_DISCONNECT;
if (tp->t_ip)
remove_interactive(tp->t_ip, 1);
}
if (!(tp->t_flags & TF_ATTACH)) {
tp->task = NULL;
telnet_shutdown(tp->t_nd, tp);
return;
}
if (tp->t_flags & TF_OVFLOUTQ) {
tp->task = NULL;
return;
}
if (tp->t_flags & TF_INPUT) {
tp->t_flags &= ~TF_INPUT;
if (nq_full(tp->t_canq))
cp = "";
else
cp = (char *)nq_rptr(tp->t_canq);
interactive_input(tp->t_ip, cp);
nq_init(tp->t_canq);
}
if (!(tp->t_flags & TF_ATTACH)) {
tp->task = NULL;
telnet_shutdown(tp->t_nd, tp);
return;
}
tp->t_flags &= ~TF_GA;
telnet_readbytes(tp->t_nd, tp);
telnet_input(tp);
if (!(tp->t_flags & TF_ATTACH)) {
tp->task = NULL;
telnet_shutdown(tp->t_nd, tp);
return;
}
if (tp->t_flags & (TF_INPUT|TF_DISCONNECT)) {
reschedule_task(tp->task);
return;
}
tp->task = NULL;
nd_enable(tp->t_nd, ND_R);
}
/*
* Read and process a UDP datagram.
*/
static void
udpsvc_read(ndesc_t *nd, nqueue_t *nq)
{
int addrlen, cc;
struct sockaddr_in addr;
addrlen = sizeof (addr);
cc = recvfrom(nd_fd(nd), nq_wptr(nq), nq_size(nq) - 1, 0,
(struct sockaddr *)&addr, &addrlen);
if (cc == -1)
return;
nq_wptr(nq)[cc] = '\0';
/* XXX We need a safe master apply XXX */
push_string(inet_ntoa(addr.sin_addr), STRING_MSTRING);
push_string((char *)nq_rptr(nq), STRING_MSTRING);
(void)apply_master_ob(M_INCOMING_UDP, 2);
}
