62
62
switch (wsi->state) {
64
case WSI_STATE_HTTP_BODY:
68
if (wsi->u.http.content_length_seen >= wsi->u.http.content_length)
71
wsi->u.http.post_buffer[wsi->u.http.body_index++] = *buf++;
72
wsi->u.http.content_length_seen++;
73
n = wsi->protocol->rx_buffer_size;
75
n = LWS_MAX_SOCKET_IO_BUF;
77
if (wsi->u.http.body_index != n &&
78
wsi->u.http.content_length_seen != wsi->u.http.content_length)
81
if (wsi->protocol->callback) {
82
n = wsi->protocol->callback(
83
wsi->protocol->owning_server, wsi,
84
LWS_CALLBACK_HTTP_BODY,
85
wsi->user_space, wsi->u.http.post_buffer,
86
wsi->u.http.body_index);
87
wsi->u.http.body_index = 0;
92
if (wsi->u.http.content_length_seen == wsi->u.http.content_length) {
93
/* he sent the content in time */
94
libwebsocket_set_timeout(wsi, NO_PENDING_TIMEOUT, 0);
95
n = wsi->protocol->callback(
96
wsi->protocol->owning_server, wsi,
97
LWS_CALLBACK_HTTP_BODY_COMPLETION,
98
wsi->user_space, NULL, 0);
99
wsi->u.http.body_index = 0;
107
* we need to spill here so everything is seen in the case
108
* there is no content-length
110
if (wsi->u.http.body_index && wsi->protocol->callback) {
111
n = wsi->protocol->callback(
112
wsi->protocol->owning_server, wsi,
113
LWS_CALLBACK_HTTP_BODY,
114
wsi->user_space, wsi->u.http.post_buffer,
115
wsi->u.http.body_index);
116
wsi->u.http.body_index = 0;
63
122
case WSI_STATE_HTTP_ISSUING_FILE:
64
123
case WSI_STATE_HTTP:
65
124
wsi->state = WSI_STATE_HTTP_HEADERS;
71
130
lwsl_parser("issuing %d bytes to parser\n", (int)len);
75
case LWS_CONNMODE_WS_CLIENT_WAITING_PROXY_REPLY:
76
case LWS_CONNMODE_WS_CLIENT_ISSUE_HANDSHAKE:
77
case LWS_CONNMODE_WS_CLIENT_WAITING_SERVER_REPLY:
78
case LWS_CONNMODE_WS_CLIENT_WAITING_EXTENSION_CONNECT:
79
case LWS_CONNMODE_WS_CLIENT:
80
for (n = 0; n < len; n++)
81
if (libwebsocket_client_rx_sm(wsi, *buf++)) {
82
lwsl_info("client_rx_sm failed\n");
91
/* LWS_CONNMODE_WS_SERVING */
93
for (n = 0; n < len; n++)
94
if (libwebsocket_parse(wsi, *buf++)) {
95
lwsl_info("libwebsocket_parse failed\n");
99
if (wsi->u.hdr.parser_state != WSI_PARSING_COMPLETE)
102
lwsl_parser("libwebsocket_parse sees parsing complete\n");
104
/* is this websocket protocol or normal http 1.0? */
106
if (!lws_hdr_total_length(wsi, WSI_TOKEN_UPGRADE) ||
107
!lws_hdr_total_length(wsi, WSI_TOKEN_CONNECTION)) {
109
/* it's not websocket.... shall we accept it as http? */
111
if (!lws_hdr_total_length(wsi, WSI_TOKEN_GET_URI)) {
112
lwsl_warn("Missing URI in HTTP request\n");
113
/* drop the header info */
119
lwsl_info("HTTP request for '%s'\n", lws_hdr_simple_ptr(wsi, WSI_TOKEN_GET_URI));
121
wsi->state = WSI_STATE_HTTP;
123
if (wsi->protocol->callback)
124
n = wsi->protocol->callback(context, wsi,
127
lws_hdr_simple_ptr(wsi, WSI_TOKEN_GET_URI),
128
lws_hdr_total_length(wsi, WSI_TOKEN_GET_URI));
130
/* drop the header info */
135
lwsl_info("LWS_CALLBACK_HTTP closing\n");
143
lwsl_err("NULL protocol at libwebsocket_read\n");
148
* Make sure user side is happy about protocol
151
while (wsi->protocol->callback) {
153
if (!lws_hdr_total_length(wsi, WSI_TOKEN_PROTOCOL)) {
154
if (wsi->protocol->name == NULL)
157
if (wsi->protocol->name && strcmp(
158
lws_hdr_simple_ptr(wsi,
160
wsi->protocol->name) == 0)
166
/* we didn't find a protocol he wanted? */
168
if (wsi->protocol->callback == NULL) {
169
if (lws_hdr_simple_ptr(wsi, WSI_TOKEN_PROTOCOL) ==
171
lwsl_info("no protocol -> prot 0 handler\n");
172
wsi->protocol = &context->protocols[0];
174
lwsl_err("Req protocol %s not supported\n",
175
lws_hdr_simple_ptr(wsi, WSI_TOKEN_PROTOCOL));
181
* Give the user code a chance to study the request and
182
* have the opportunity to deny it
185
if ((wsi->protocol->callback)(wsi->protocol->owning_server, wsi,
186
LWS_CALLBACK_FILTER_PROTOCOL_CONNECTION,
187
lws_hdr_simple_ptr(wsi, WSI_TOKEN_PROTOCOL),
189
lwsl_warn("User code denied connection\n");
195
* Perform the handshake according to the protocol version the
199
switch (wsi->ietf_spec_revision) {
201
lwsl_parser("lws_parse calling handshake_04\n");
202
if (handshake_0405(context, wsi)) {
203
lwsl_info("hs0405 has failed the connection\n");
209
lwsl_warn("Unknown client spec version %d\n",
210
wsi->ietf_spec_revision);
214
/* drop the header info */
219
wsi->mode = LWS_CONNMODE_WS_SERVING;
221
/* union transition */
222
memset(&wsi->u, 0, sizeof(wsi->u));
225
* create the frame buffer for this connection according to the
226
* size mentioned in the protocol definition. If 0 there, use
227
* a big default for compatibility
230
n = wsi->protocol->rx_buffer_size;
232
n = LWS_MAX_SOCKET_IO_BUF;
233
n += LWS_SEND_BUFFER_PRE_PADDING + LWS_SEND_BUFFER_POST_PADDING;
234
wsi->u.ws.rx_user_buffer = malloc(n);
235
if (!wsi->u.ws.rx_user_buffer) {
236
lwsl_err("Out of Mem allocating rx buffer %d\n", n);
239
lwsl_info("Allocating RX buffer %d\n", n);
241
lwsl_parser("accepted v%02d connection\n",
242
wsi->ietf_spec_revision);
132
if (lws_handshake_client(wsi, &buf, len))
135
switch (lws_handshake_server(context, wsi, &buf, len)) {
246
143
case WSI_STATE_AWAITING_CLOSE_ACK:
247
144
case WSI_STATE_ESTABLISHED:
248
#ifndef LWS_NO_CLIENT
145
if (lws_handshake_client(wsi, &buf, len))
249
147
switch (wsi->mode) {
250
case LWS_CONNMODE_WS_CLIENT:
251
for (n = 0; n < len; n++)
252
if (libwebsocket_client_rx_sm(
254
lwsl_info("client rx has bailed\n");
148
case LWS_CONNMODE_WS_SERVING:
150
if (libwebsocket_interpret_incoming_packet(wsi, buf, len) < 0) {
151
lwsl_info("interpret_incoming_packet has bailed\n");
263
#ifndef LWS_NO_SERVER
264
/* LWS_CONNMODE_WS_SERVING */
266
if (libwebsocket_interpret_incoming_packet(wsi, buf, len) < 0) {
267
lwsl_info("interpret_incoming_packet has bailed\n");
273
158
lwsl_err("libwebsocket_read: Unhandled state\n");
added
removed
lib/handshake.c
