memcpy(settings, lws_http2_default_settings.setting, sizeof(*settings));
}
-struct libwebsocket *
-lws_http2_wsi_from_id(struct libwebsocket *wsi, unsigned int sid)
+struct lws *
+lws_http2_wsi_from_id(struct lws *wsi, unsigned int sid)
{
do {
if (wsi->u.http2.my_stream_id == sid)
return wsi;
-
+
wsi = wsi->u.http2.next_child_wsi;
} while (wsi);
-
+
return NULL;
}
-struct libwebsocket *
-lws_create_server_child_wsi(struct libwebsocket_context *context, struct libwebsocket *parent_wsi, unsigned int sid)
+struct lws *
+lws_create_server_child_wsi(struct lws_vhost *vhost, struct lws *parent_wsi,
+ unsigned int sid)
{
- struct libwebsocket *wsi = libwebsocket_create_new_server_wsi(context);
-
+ struct lws *wsi = lws_create_new_server_wsi(vhost);
+
if (!wsi)
return NULL;
-
+
/* no more children allowed by parent */
- if (parent_wsi->u.http2.child_count + 1 == parent_wsi->u.http2.peer_settings.setting[LWS_HTTP2_SETTINGS__MAX_CONCURRENT_STREAMS])
- return NULL;
-
+ if (parent_wsi->u.http2.child_count + 1 ==
+ parent_wsi->u.http2.peer_settings.setting[
+ LWS_HTTP2_SETTINGS__MAX_CONCURRENT_STREAMS])
+ goto bail;
lws_http2_init(&wsi->u.http2.peer_settings);
lws_http2_init(&wsi->u.http2.my_settings);
wsi->u.http2.stream_id = sid;
wsi->u.http2.next_child_wsi = parent_wsi->u.http2.next_child_wsi;
parent_wsi->u.http2.next_child_wsi = wsi;
parent_wsi->u.http2.child_count++;
-
+
wsi->u.http2.my_priority = 16;
wsi->u.http2.tx_credit = 65535;
-
- wsi->state = WSI_STATE_HTTP2_ESTABLISHED;
+
+ wsi->state = LWSS_HTTP2_ESTABLISHED;
wsi->mode = parent_wsi->mode;
-
- wsi->protocol = &context->protocols[0];
- libwebsocket_ensure_user_space(wsi);
- lwsl_info("%s: %p new child %p, sid %d, user_space=%p\n", __func__, parent_wsi, wsi, sid, wsi->user_space);
-
+ wsi->protocol = &vhost->protocols[0];
+ if (lws_ensure_user_space(wsi))
+ goto bail;
+
+ lwsl_info("%s: %p new child %p, sid %d, user_space=%p\n", __func__,
+ parent_wsi, wsi, sid, wsi->user_space);
+
return wsi;
+
+bail:
+ vhost->protocols[0].callback(wsi, LWS_CALLBACK_WSI_DESTROY,
+ NULL, NULL, 0);
+ lws_free(wsi);
+
+ return NULL;
}
-int lws_remove_server_child_wsi(struct libwebsocket_context *context, struct libwebsocket *wsi)
+int lws_remove_server_child_wsi(struct lws_context *context, struct lws *wsi)
{
- struct libwebsocket **w = &wsi->u.http2.parent_wsi;
+ struct lws **w = &wsi->u.http2.parent_wsi;
do {
if (*w == wsi) {
*w = wsi->u.http2.next_child_wsi;
(wsi->u.http2.parent_wsi)->u.http2.child_count--;
return 0;
}
-
+
w = &((*w)->u.http2.next_child_wsi);
} while (*w);
-
+
lwsl_err("%s: can't find %p\n", __func__, wsi);
return 1;
}
int
-lws_http2_interpret_settings_payload(struct http2_settings *settings, unsigned char *buf, int len)
+lws_http2_interpret_settings_payload(struct http2_settings *settings,
+ unsigned char *buf, int len)
{
unsigned int a, b;
-
+
if (!len)
return 0;
-
+
if (len < LWS_HTTP2_SETTINGS_LENGTH)
return 1;
-
+
while (len >= LWS_HTTP2_SETTINGS_LENGTH) {
a = (buf[0] << 8) | buf[1];
if (a < LWS_HTTP2_SETTINGS__COUNT) {
len -= LWS_HTTP2_SETTINGS_LENGTH;
buf += LWS_HTTP2_SETTINGS_LENGTH;
}
-
+
if (len)
return 1;
-
+
return 0;
}
-struct libwebsocket *lws_http2_get_network_wsi(struct libwebsocket *wsi)
+struct lws *lws_http2_get_network_wsi(struct lws *wsi)
{
while (wsi->u.http2.parent_wsi)
wsi = wsi->u.http2.parent_wsi;
-
+
return wsi;
}
-int lws_http2_frame_write(struct libwebsocket *wsi, int type, int flags, unsigned int sid, unsigned int len, unsigned char *buf)
+int lws_http2_frame_write(struct lws *wsi, int type, int flags,
+ unsigned int sid, unsigned int len, unsigned char *buf)
{
- struct libwebsocket *wsi_eff = lws_http2_get_network_wsi(wsi);
+ struct lws *wsi_eff = lws_http2_get_network_wsi(wsi);
unsigned char *p = &buf[-LWS_HTTP2_FRAME_HEADER_LENGTH];
int n;
*p++ = sid >> 16;
*p++ = sid >> 8;
*p++ = sid;
-
- lwsl_info("%s: %p (eff %p). type %d, flags 0x%x, sid=%d, len=%d\n",
- __func__, wsi, wsi_eff, type, flags, sid, len, wsi->u.http2.tx_credit);
-
+
+ lwsl_info("%s: %p (eff %p). type %d, flags 0x%x, sid=%d, len=%d, tx_credit=%d\n",
+ __func__, wsi, wsi_eff, type, flags, sid, len,
+ wsi->u.http2.tx_credit);
+
if (type == LWS_HTTP2_FRAME_TYPE_DATA) {
if (wsi->u.http2.tx_credit < len)
- lwsl_err("%s: %p: sending payload len %d but tx_credit only %d!\n", len, wsi->u.http2.tx_credit);
+ lwsl_err("%s: %p: sending payload len %d"
+ " but tx_credit only %d!\n", __func__, wsi, len,
+ wsi->u.http2.tx_credit);
wsi->u.http2.tx_credit -= len;
}
- n = lws_issue_raw(wsi_eff, &buf[-LWS_HTTP2_FRAME_HEADER_LENGTH], len + LWS_HTTP2_FRAME_HEADER_LENGTH);
+ n = lws_issue_raw(wsi_eff, &buf[-LWS_HTTP2_FRAME_HEADER_LENGTH],
+ len + LWS_HTTP2_FRAME_HEADER_LENGTH);
if (n >= LWS_HTTP2_FRAME_HEADER_LENGTH)
return n - LWS_HTTP2_FRAME_HEADER_LENGTH;
-
+
return n;
}
-static void lws_http2_settings_write(struct libwebsocket *wsi, int n, unsigned char *buf)
+static void lws_http2_settings_write(struct lws *wsi, int n, unsigned char *buf)
{
*buf++ = n >> 8;
*buf++ = n;
"PRI * HTTP/2.0\x0d\x0a\x0d\x0aSM\x0d\x0a\x0d\x0a";
int
-lws_http2_parser(struct libwebsocket_context *context,
- struct libwebsocket *wsi, unsigned char c)
+lws_http2_parser(struct lws *wsi, unsigned char c)
{
- struct libwebsocket *swsi;
+ struct lws *swsi;
int n;
- //dstruct libwebsocket *wsi_new;
switch (wsi->state) {
- case WSI_STATE_HTTP2_AWAIT_CLIENT_PREFACE:
+ case LWSS_HTTP2_AWAIT_CLIENT_PREFACE:
if (https_client_preface[wsi->u.http2.count++] != c)
return 1;
if (!https_client_preface[wsi->u.http2.count]) {
lwsl_info("http2: %p: established\n", wsi);
- wsi->state = WSI_STATE_HTTP2_ESTABLISHED_PRE_SETTINGS;
+ wsi->state = LWSS_HTTP2_ESTABLISHED_PRE_SETTINGS;
wsi->u.http2.count = 0;
wsi->u.http2.tx_credit = 65535;
-
- /*
+
+ /*
* we must send a settings frame -- empty one is OK...
* that must be the first thing sent by server
* and the peer must send a SETTINGS with ACK flag...
*/
-
- lws_set_protocol_write_pending(context, wsi, LWS_PPS_HTTP2_MY_SETTINGS);
+
+ lws_set_protocol_write_pending(wsi,
+ LWS_PPS_HTTP2_MY_SETTINGS);
}
break;
- case WSI_STATE_HTTP2_ESTABLISHED_PRE_SETTINGS:
- case WSI_STATE_HTTP2_ESTABLISHED:
+ case LWSS_HTTP2_ESTABLISHED_PRE_SETTINGS:
+ case LWSS_HTTP2_ESTABLISHED:
if (wsi->u.http2.frame_state == LWS_HTTP2_FRAME_HEADER_LENGTH) { // payload
wsi->u.http2.count++;
wsi->u.http2.stream_wsi->u.http2.count = wsi->u.http2.count;
case LWS_HTTP2_FRAME_TYPE_CONTINUATION:
case LWS_HTTP2_FRAME_TYPE_HEADERS:
lwsl_info(" %02X\n", c);
- if (lws_hpack_interpret(context, wsi->u.http2.stream_wsi, c))
+ if (!wsi->u.http2.stream_wsi->u.hdr.ah)
+ if (lws_header_table_attach(wsi->u.http2.stream_wsi, 0)) {
+ lwsl_err("%s: Failed to get ah\n", __func__);
+ return 1;
+ }
+ if (lws_hpack_interpret(wsi->u.http2.stream_wsi, c)) {
+ lwsl_notice("%s: lws_hpack_interpret failed\n", __func__);
return 1;
+ }
break;
case LWS_HTTP2_FRAME_TYPE_GOAWAY:
if (wsi->u.http2.count >= 5 && wsi->u.http2.count <= 8) {
}
if (wsi->u.http2.count != wsi->u.http2.length)
break;
-
+
/* end of frame */
wsi->u.http2.frame_state = 0;
case LWS_HTTP2_FRAME_TYPE_HEADERS:
/* service the http request itself */
lwsl_info("servicing initial http request, wsi=%p, stream wsi=%p\n", wsi, wsi->u.http2.stream_wsi);
- n = lws_http_action(context, swsi);
+ n = lws_http_action(swsi);
(void)n;
lwsl_info(" action result %d\n", n);
break;
case LWS_HTTP2_FRAME_TYPE_PING:
if (wsi->u.http2.flags & LWS_HTTP2_FLAG_SETTINGS_ACK) { // ack
} else { /* they're sending us a ping request */
- lws_set_protocol_write_pending(context, wsi, LWS_PPS_HTTP2_PONG);
+ lws_set_protocol_write_pending(wsi, LWS_PPS_HTTP2_PONG);
}
break;
case LWS_HTTP2_FRAME_TYPE_WINDOW_UPDATE:
wsi->u.http2.hpack_e_dep &= ~(1 << 31);
- if ((long long)swsi->u.http2.tx_credit + (unsigned long long)wsi->u.http2.hpack_e_dep > (~(1 << 31)))
+ if ((lws_intptr_t)swsi->u.http2.tx_credit + (lws_intptr_t)wsi->u.http2.hpack_e_dep > (~(1 << 31)))
return 1; /* actually need to close swsi not the whole show */
swsi->u.http2.tx_credit += wsi->u.http2.hpack_e_dep;
if (swsi->u.http2.waiting_tx_credit && swsi->u.http2.tx_credit > 0) {
lwsl_info("%s: %p: waiting_tx_credit -> wait on writeable\n", __func__, wsi);
swsi->u.http2.waiting_tx_credit = 0;
- libwebsocket_callback_on_writable(context, swsi);
- }
+ lws_callback_on_writable(swsi);
+ }
break;
}
break;
lwsl_info("frame: type 0x%x, flags 0x%x, sid 0x%x, len 0x%x\n",
wsi->u.http2.type, wsi->u.http2.flags, wsi->u.http2.stream_id, wsi->u.http2.length);
wsi->u.http2.count = 0;
-
+
wsi->u.http2.stream_wsi = wsi;
if (wsi->u.http2.stream_id)
wsi->u.http2.stream_wsi = lws_http2_wsi_from_id(wsi, wsi->u.http2.stream_id);
-
+
switch (wsi->u.http2.type) {
case LWS_HTTP2_FRAME_TYPE_SETTINGS:
/* nonzero sid on settings is illegal */
if (wsi->u.http2.stream_id)
return 1;
-
+
if (wsi->u.http2.flags & LWS_HTTP2_FLAG_SETTINGS_ACK) { // ack
} else
/* non-ACK coming in means we must ACK it */
- lws_set_protocol_write_pending(context, wsi, LWS_PPS_HTTP2_ACK_SETTINGS);
+ lws_set_protocol_write_pending(wsi, LWS_PPS_HTTP2_ACK_SETTINGS);
break;
case LWS_HTTP2_FRAME_TYPE_PING:
if (wsi->u.http2.stream_id)
lwsl_info("LWS_HTTP2_FRAME_TYPE_HEADERS: stream_id = %d\n", wsi->u.http2.stream_id);
if (!wsi->u.http2.stream_id)
return 1;
- if (!wsi->u.http2.stream_wsi)
- wsi->u.http2.stream_wsi = lws_create_server_child_wsi(context, wsi, wsi->u.http2.stream_id);
-
+ if (!wsi->u.http2.stream_wsi) {
+ wsi->u.http2.stream_wsi =
+ lws_create_server_child_wsi(wsi->vhost, wsi, wsi->u.http2.stream_id);
+ wsi->u.http2.stream_wsi->http2_substream = 1;
+ }
+
/* END_STREAM means after servicing this, close the stream */
wsi->u.http2.END_STREAM = !!(wsi->u.http2.flags & LWS_HTTP2_FLAG_END_STREAM);
lwsl_info("%s: headers END_STREAM = %d\n",__func__, wsi->u.http2.END_STREAM);
update_end_headers:
/* no END_HEADERS means CONTINUATION must come */
wsi->u.http2.END_HEADERS = !!(wsi->u.http2.flags & LWS_HTTP2_FLAG_END_HEADERS);
-
+
swsi = wsi->u.http2.stream_wsi;
if (!swsi)
return 1;
-
+
/* prepare the hpack parser at the right start */
-
+
swsi->u.http2.flags = wsi->u.http2.flags;
swsi->u.http2.length = wsi->u.http2.length;
swsi->u.http2.END_STREAM = wsi->u.http2.END_STREAM;
}
break;
}
-
+
return 0;
}
-int lws_http2_do_pps_send(struct libwebsocket_context *context, struct libwebsocket *wsi)
+int lws_http2_do_pps_send(struct lws_context *context, struct lws *wsi)
{
- unsigned char settings[LWS_SEND_BUFFER_PRE_PADDING + 6 * LWS_HTTP2_SETTINGS__COUNT];
- struct libwebsocket *swsi;
+ unsigned char settings[LWS_PRE + 6 * LWS_HTTP2_SETTINGS__COUNT];
+ struct lws *swsi;
int n, m = 0;
lwsl_debug("%s: %p: %d\n", __func__, wsi, wsi->pps);
-
+
switch (wsi->pps) {
case LWS_PPS_HTTP2_MY_SETTINGS:
for (n = 1; n < LWS_HTTP2_SETTINGS__COUNT; n++)
if (wsi->u.http2.my_settings.setting[n] != lws_http2_default_settings.setting[n]) {
lws_http2_settings_write(wsi, n,
- &settings[LWS_SEND_BUFFER_PRE_PADDING + m]);
+ &settings[LWS_PRE + m]);
m += sizeof(wsi->u.http2.one_setting);
}
n = lws_http2_frame_write(wsi, LWS_HTTP2_FRAME_TYPE_SETTINGS,
0, LWS_HTTP2_STREAM_ID_MASTER, m,
- &settings[LWS_SEND_BUFFER_PRE_PADDING]);
+ &settings[LWS_PRE]);
if (n != m) {
lwsl_info("send %d %d\n", n, m);
return 1;
/* send ack ... always empty */
n = lws_http2_frame_write(wsi, LWS_HTTP2_FRAME_TYPE_SETTINGS,
1, LWS_HTTP2_STREAM_ID_MASTER, 0,
- &settings[LWS_SEND_BUFFER_PRE_PADDING]);
+ &settings[LWS_PRE]);
if (n) {
lwsl_err("ack tells %d\n", n);
return 1;
}
/* this is the end of the preface dance then? */
- if (wsi->state == WSI_STATE_HTTP2_ESTABLISHED_PRE_SETTINGS) {
- wsi->state = WSI_STATE_HTTP2_ESTABLISHED;
-
- wsi->u.http.fd = LWS_INVALID_FILE;
-
+ if (wsi->state == LWSS_HTTP2_ESTABLISHED_PRE_SETTINGS) {
+ wsi->state = LWSS_HTTP2_ESTABLISHED;
+
+ wsi->u.http.fop_fd = NULL;
+
if (lws_is_ssl(lws_http2_get_network_wsi(wsi))) {
- lwsl_info("skipping nonexistant ssl upgrade headers\n");
+ lwsl_info("skipping nonexistent ssl upgrade headers\n");
break;
}
-
- /*
+
+ /*
* we need to treat the headers from this upgrade
* as the first job. These need to get
* shifted to stream ID 1
*/
lwsl_info("%s: setting up sid 1\n", __func__);
-
- swsi = wsi->u.http2.stream_wsi = lws_create_server_child_wsi(context, wsi, 1);
+
+ swsi = wsi->u.http2.stream_wsi =
+ lws_create_server_child_wsi(wsi->vhost, wsi, 1);
/* pass on the initial headers to SID 1 */
swsi->u.http.ah = wsi->u.http.ah;
wsi->u.http.ah = NULL;
-
+
lwsl_info("%s: inherited headers %p\n", __func__, swsi->u.http.ah);
swsi->u.http2.tx_credit = wsi->u.http2.peer_settings.setting[LWS_HTTP2_SETTINGS__INITIAL_WINDOW_SIZE];
lwsl_info("initial tx credit on conn %p: %d\n", swsi, swsi->u.http2.tx_credit);
/* demanded by HTTP2 */
swsi->u.http2.END_STREAM = 1;
lwsl_info("servicing initial http request\n");
- return lws_http_action(context, swsi);
+ return lws_http_action(swsi);
}
break;
case LWS_PPS_HTTP2_PONG:
- memcpy(&settings[LWS_SEND_BUFFER_PRE_PADDING], wsi->u.http2.ping_payload, 8);
+ memcpy(&settings[LWS_PRE], wsi->u.http2.ping_payload, 8);
n = lws_http2_frame_write(wsi, LWS_HTTP2_FRAME_TYPE_PING,
LWS_HTTP2_FLAG_SETTINGS_ACK,
LWS_HTTP2_STREAM_ID_MASTER, 8,
- &settings[LWS_SEND_BUFFER_PRE_PADDING]);
+ &settings[LWS_PRE]);
if (n != 8) {
lwsl_info("send %d %d\n", n, m);
return 1;
default:
break;
}
-
+
return 0;
}
-struct libwebsocket * lws_http2_get_nth_child(struct libwebsocket *wsi, int n)
+struct lws * lws_http2_get_nth_child(struct lws *wsi, int n)
{
do {
wsi = wsi->u.http2.next_child_wsi;