#endif
if(!acceptable) {
- debug("Packet not acceptable, %u <= %u + %zu < %u\n", c->rcv.nxt, hdr.seq, len, c->rcv.nxt + c->rcv.wnd);
+ debug("Packet not acceptable, %u <= %u + %zu < %u\n", c->rcv.nxt, hdr.seq, len, c->rcv.nxt + c->rcv.wnd);
// Ignore unacceptable RST packets.
if(hdr.ctl & RST)
return 0;
// Otherwise, send an ACK back in the hope things improve.
- goto ack;
+ ack(c, true);
+ return 0;
}
c->snd.wnd = hdr.wnd; // TODO: move below
* The return value is the time to the next timeout in milliseconds,
* or maybe a negative value if the timeout is infinite.
*/
-int utcp_timeout(struct utcp *utcp) {
+struct timeval utcp_timeout(struct utcp *utcp) {
struct timeval now;
gettimeofday(&now, NULL);
struct timeval next = {now.tv_sec + 3600, now.tv_usec};
struct timeval diff;
timersub(&next, &now, &diff);
- if(diff.tv_sec < 0)
- return 0;
- return diff.tv_sec * 1000 + diff.tv_usec / 1000;
+ return diff;
}
struct utcp *utcp_init(utcp_accept_t accept, utcp_pre_accept_t pre_accept, utcp_send_t send, void *priv) {