if ((rc = sendto(sock, fastopen->data, fastopen->len,
MSG_FASTOPEN | MSG_DONTWAIT, s_ptr, s_len)) >= 0)
/* seen for with-data, experimental TFO option, with-cookie case */
+ /* seen for with-data, proper TFO opt, with-cookie case */
{
DEBUG(D_transport|D_v) debug_printf("TFO mode connection attempt, %s data\n",
fastopen->len > 0 ? "with" : "no");
tcp_out_fastopen = fastopen->len > 0 ? 2 : 1;
}
- else if (errno == EINPROGRESS) /* expected for nonready peer */
+ else if (errno == EINPROGRESS) /* expected if we had no cookie for peer */
/* seen for no-data, proper TFO option, both cookie-request and with-cookie cases */
/* apparently no visibility of the diffference at this point */
+ /* seen for with-data, proper TFO opt, cookie-req */
/* with netwk delay, post-conn tcp_info sees unacked 1 for R, 2 for C; code in smtp_out.c */
/* ? older Experimental TFO option behaviour ? */
{ /* queue unsent data */
+ DEBUG(D_transport|D_v) debug_printf("TFO mode sendto, %s data: EINPROGRESS\n",
+ fastopen->len > 0 ? "with" : "no");
if (!fastopen->data)
{
- tcp_out_fastopen = 1; /* we tried; unknown if useful yet */
+ tcp_out_fastopen = 1; /* we tried; unknown if useful yet */
rc = 0;
}
- else if ( (rc = send(sock, fastopen->data, fastopen->len, 0)) < 0
- && errno == EINPROGRESS /* expected for nonready peer */
- )
- rc = 0;
+ else
+ rc = send(sock, fastopen->data, fastopen->len, 0);
}
else if(errno == EOPNOTSUPP)
{