int
lws_ws_handshake_client(struct lws *wsi, unsigned char **buf, size_t len)
{
if ((lwsi_state(wsi) != LRS_WAITING_PROXY_REPLY) &&
(lwsi_state(wsi) != LRS_H1C_ISSUE_HANDSHAKE) &&
(lwsi_state(wsi) != LRS_WAITING_SERVER_REPLY) &&
!lwsi_role_client(wsi))
return 0;
// lwsl_notice("%s: hs client gets %d in\n", __func__, (int)len);
while (len) {
/*
* we were accepting input but now we stopped doing so
*/
if (lws_is_flowcontrolled(wsi)) {
//lwsl_notice("%s: caching %ld\n", __func__, (long)len);
lws_rxflow_cache(wsi, *buf, 0, (int)len);
*buf += len;
return 0;
}
#if !defined(LWS_WITHOUT_EXTENSIONS)
if (wsi->ws->rx_draining_ext) {
int m;
//lwsl_notice("%s: draining ext\n", __func__);
if (lwsi_role_client(wsi))
m = lws_ws_client_rx_sm(wsi, 0);
else
m = lws_ws_rx_sm(wsi, 0, 0);
if (m < 0)
return -1;
continue;
}
#endif
/* caller will account for buflist usage */
if (lws_ws_client_rx_sm(wsi, *(*buf)++)) {
lwsl_notice("%s: client_rx_sm exited, DROPPING %d\n",
__func__, (int)len);
return -1;
}
len--;
}
// lwsl_notice("%s: finished with %ld\n", __func__, (long)len);
return 0;
}
int
lws_ws_handshake_client(struct lws *wsi, unsigned char **buf, size_t len)
{
unsigned char *bufin = *buf;
if ((lwsi_state(wsi) != LRS_WAITING_PROXY_REPLY) &&
(lwsi_state(wsi) != LRS_H1C_ISSUE_HANDSHAKE) &&
(lwsi_state(wsi) != LRS_WAITING_SERVER_REPLY) &&
!lwsi_role_client(wsi))
return 0;
lwsl_debug("%s: hs client feels it has %d in\n", __func__, (int)len);
while (len) {
/*
* we were accepting input but now we stopped doing so
*/
if (lws_is_flowcontrolled(wsi)) {
lwsl_debug("%s: caching %ld\n", __func__, (long)len);
/*
* Since we cached the remaining available input, we
* can say we "consumed" it.
*
* But what about the case where the available input
* came out of the rxflow cache already? If we are
* effectively "putting it back in the cache", we have
* to place it at the cache head, not the tail as usual.
*/
if (lws_rxflow_cache(wsi, *buf, 0, (int)len) ==
LWSRXFC_TRIMMED) {
/*
* we dealt with it by trimming the existing
* rxflow cache HEAD to account for what we used.
*
* indicate we didn't use anything to the caller
* so he doesn't do any consumed processing
*/
lwsl_info("%s: trimming inside rxflow cache\n",
__func__);
*buf = bufin;
} else
*buf += len;
return 0;
}
#if !defined(LWS_WITHOUT_EXTENSIONS)
if (wsi->ws->rx_draining_ext) {
int m;
lwsl_info("%s: draining ext\n", __func__);
if (lwsi_role_client(wsi))
m = lws_ws_client_rx_sm(wsi, 0);
else
m = lws_ws_rx_sm(wsi, 0, 0);
if (m < 0)
return -1;
continue;
}
#endif
/*
* caller will account for buflist usage by studying what
* happened to *buf
*/
if (lws_ws_client_rx_sm(wsi, *(*buf)++)) {
lwsl_notice("%s: client_rx_sm exited, DROPPING %d\n",
__func__, (int)len);
return -1;
}
len--;
}
// lwsl_notice("%s: finished with %ld\n", __func__, (long)len);
return 0;
}
