2 * libwebsockets - small server side websockets and web server implementation
4 * Copyright (C) 2010 - 2013 Andy Green <andy@warmcat.com>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation:
9 * version 2.1 of the License.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
22 /* System introspection configs */
24 #include "lws_config.h"
26 #if defined(WIN32) || defined(_WIN32)
27 #define inline __inline
31 #define vsnprintf _vsnprintf
37 #endif /* not WIN32 */
38 #endif /* not CMAKE */
40 #ifdef HAVE_SYS_TYPES_H
41 #include <sys/types.h>
52 #ifdef HAVE_SYS_STAT_H
56 #if defined(WIN32) || defined(_WIN32)
57 #define LWS_NO_DAEMONIZE
58 #define LWS_ERRNO WSAGetLastError()
59 #define LWS_EAGAIN WSAEWOULDBLOCK
60 #define LWS_EALREADY WSAEALREADY
61 #define LWS_EINPROGRESS WSAEINPROGRESS
62 #define LWS_EINTR WSAEINTR
63 #define LWS_EISCONN WSAEISCONN
64 #define LWS_EWOULDBLOCK WSAEWOULDBLOCK
65 #define LWS_POLLHUP (FD_CLOSE)
66 #define LWS_POLLIN (FD_READ | FD_ACCEPT)
67 #define LWS_POLLOUT (FD_WRITE)
68 #define MSG_NOSIGNAL 0
69 #define SHUT_RDWR SD_BOTH
70 #define SOL_TCP IPPROTO_TCP
72 #define compatible_close(fd) closesocket(fd)
73 #define compatible_file_close(fd) CloseHandle(fd)
74 #define compatible_file_seek_cur(fd, offset) SetFilePointer(fd, offset, NULL, FILE_CURRENT)
75 #define compatible_file_read(amount, fd, buf, len) {\
77 if (!ReadFile(fd, buf, len, &_amount, NULL)) \
82 #define lws_set_blocking_send(wsi) wsi->sock_send_blocking = TRUE
89 #define __func__ __FUNCTION__
92 #define LWS_INVALID_FILE INVALID_HANDLE_VALUE
93 #else /* not windows --> */
100 #include <sys/types.h>
101 #include <sys/socket.h>
102 #ifdef LWS_BUILTIN_GETIFADDRS
103 #include <getifaddrs.h>
107 #include <sys/syslog.h>
109 #include <sys/socket.h>
112 #ifdef HAVE_SYS_PRCTL_H
113 #include <sys/prctl.h>
116 #include <netinet/in.h>
117 #include <netinet/tcp.h>
118 #include <arpa/inet.h>
122 #endif /* LWS_USE_LIBEV */
124 #include <sys/mman.h>
125 #include <sys/time.h>
127 #define LWS_ERRNO errno
128 #define LWS_EAGAIN EAGAIN
129 #define LWS_EALREADY EALREADY
130 #define LWS_EINPROGRESS EINPROGRESS
131 #define LWS_EINTR EINTR
132 #define LWS_EISCONN EISCONN
133 #define LWS_EWOULDBLOCK EWOULDBLOCK
134 #define LWS_INVALID_FILE -1
135 #define LWS_POLLHUP (POLLHUP|POLLERR)
136 #define LWS_POLLIN (POLLIN)
137 #define LWS_POLLOUT (POLLOUT)
138 #define compatible_close(fd) close(fd)
139 #define compatible_file_close(fd) close(fd)
140 #define compatible_file_seek_cur(fd, offset) lseek(fd, offset, SEEK_CUR)
141 #define compatible_file_read(amount, fd, buf, len) \
142 amount = read(fd, buf, len);
143 #define lws_set_blocking_send(wsi)
147 #define bzero(b, len) (memset((b), '\0', (len)), (void) 0)
150 #ifndef HAVE_STRERROR
151 #define strerror(x) ""
154 #ifdef LWS_OPENSSL_SUPPORT
156 #include <cyassl/openssl/ssl.h>
157 #include <cyassl/error.h>
159 SHA1(const unsigned char *d, size_t n, unsigned char *md);
161 #include <openssl/ssl.h>
162 #include <openssl/evp.h>
163 #include <openssl/err.h>
164 #include <openssl/md5.h>
165 #include <openssl/sha.h>
166 #endif /* not USE_CYASSL */
169 #include "libwebsockets.h"
171 #if defined(WIN32) || defined(_WIN32)
174 #define BIG_ENDIAN 4321 /* to show byte order (taken from gcc) */
176 #ifndef LITTLE_ENDIAN
177 #define LITTLE_ENDIAN 1234
180 #define BYTE_ORDER LITTLE_ENDIAN
182 typedef unsigned __int64 u_int64_t;
187 #define __P(protos) protos
189 #define __P(protos) ()
195 #include <sys/stat.h>
196 #include <sys/cdefs.h>
197 #include <sys/time.h>
199 #if defined(__APPLE__)
200 #include <machine/endian.h>
201 #elif defined(__FreeBSD__)
202 #include <sys/endian.h>
203 #elif defined(__linux__)
207 #if !defined(BYTE_ORDER)
208 # define BYTE_ORDER __BYTE_ORDER
210 #if !defined(LITTLE_ENDIAN)
211 # define LITTLE_ENDIAN __LITTLE_ENDIAN
213 #if !defined(BIG_ENDIAN)
214 # define BIG_ENDIAN __BIG_ENDIAN
220 * Mac OSX as well as iOS do not define the MSG_NOSIGNAL flag,
221 * but happily have something equivalent in the SO_NOSIGPIPE flag.
224 #define MSG_NOSIGNAL SO_NOSIGPIPE
227 #ifndef LWS_MAX_HEADER_LEN
228 #define LWS_MAX_HEADER_LEN 1024
230 #ifndef LWS_MAX_PROTOCOLS
231 #define LWS_MAX_PROTOCOLS 5
233 #ifndef LWS_MAX_EXTENSIONS_ACTIVE
234 #define LWS_MAX_EXTENSIONS_ACTIVE 3
236 #ifndef SPEC_LATEST_SUPPORTED
237 #define SPEC_LATEST_SUPPORTED 13
239 #ifndef AWAITING_TIMEOUT
240 #define AWAITING_TIMEOUT 5
242 #ifndef CIPHERS_LIST_STRING
243 #define CIPHERS_LIST_STRING "DEFAULT"
245 #ifndef LWS_SOMAXCONN
246 #define LWS_SOMAXCONN SOMAXCONN
249 #define MAX_WEBSOCKET_04_KEY_LEN 128
250 #define LWS_MAX_SOCKET_IO_BUF 4096
252 #ifndef SYSTEM_RANDOM_FILEPATH
253 #define SYSTEM_RANDOM_FILEPATH "/dev/urandom"
255 #ifndef LWS_MAX_ZLIB_CONN_BUFFER
256 #define LWS_MAX_ZLIB_CONN_BUFFER (64 * 1024)
260 * if not in a connection storm, check for incoming
261 * connections this many normal connection services
263 #define LWS_LISTEN_SERVICE_MODULO 10
265 enum lws_websocket_opcodes_07 {
266 LWS_WS_OPCODE_07__CONTINUATION = 0,
267 LWS_WS_OPCODE_07__TEXT_FRAME = 1,
268 LWS_WS_OPCODE_07__BINARY_FRAME = 2,
270 LWS_WS_OPCODE_07__NOSPEC__MUX = 7,
272 /* control extensions 8+ */
274 LWS_WS_OPCODE_07__CLOSE = 8,
275 LWS_WS_OPCODE_07__PING = 9,
276 LWS_WS_OPCODE_07__PONG = 0xa,
280 enum lws_connection_states {
282 WSI_STATE_HTTP_ISSUING_FILE,
283 WSI_STATE_HTTP_HEADERS,
285 WSI_STATE_DEAD_SOCKET,
286 WSI_STATE_ESTABLISHED,
287 WSI_STATE_CLIENT_UNCONNECTED,
288 WSI_STATE_RETURNED_CLOSE_ALREADY,
289 WSI_STATE_AWAITING_CLOSE_ACK,
292 enum lws_rx_parse_state {
295 LWS_RXPS_04_MASK_NONCE_1,
296 LWS_RXPS_04_MASK_NONCE_2,
297 LWS_RXPS_04_MASK_NONCE_3,
299 LWS_RXPS_04_FRAME_HDR_1,
300 LWS_RXPS_04_FRAME_HDR_LEN,
301 LWS_RXPS_04_FRAME_HDR_LEN16_2,
302 LWS_RXPS_04_FRAME_HDR_LEN16_1,
303 LWS_RXPS_04_FRAME_HDR_LEN64_8,
304 LWS_RXPS_04_FRAME_HDR_LEN64_7,
305 LWS_RXPS_04_FRAME_HDR_LEN64_6,
306 LWS_RXPS_04_FRAME_HDR_LEN64_5,
307 LWS_RXPS_04_FRAME_HDR_LEN64_4,
308 LWS_RXPS_04_FRAME_HDR_LEN64_3,
309 LWS_RXPS_04_FRAME_HDR_LEN64_2,
310 LWS_RXPS_04_FRAME_HDR_LEN64_1,
312 LWS_RXPS_07_COLLECT_FRAME_KEY_1,
313 LWS_RXPS_07_COLLECT_FRAME_KEY_2,
314 LWS_RXPS_07_COLLECT_FRAME_KEY_3,
315 LWS_RXPS_07_COLLECT_FRAME_KEY_4,
317 LWS_RXPS_PAYLOAD_UNTIL_LENGTH_EXHAUSTED
321 enum connection_mode {
322 LWS_CONNMODE_HTTP_SERVING,
323 LWS_CONNMODE_HTTP_SERVING_ACCEPTED, /* actual HTTP service going on */
324 LWS_CONNMODE_PRE_WS_SERVING_ACCEPT,
326 LWS_CONNMODE_WS_SERVING,
327 LWS_CONNMODE_WS_CLIENT,
329 /* transient, ssl delay hiding */
330 LWS_CONNMODE_SSL_ACK_PENDING,
332 /* transient modes */
333 LWS_CONNMODE_WS_CLIENT_WAITING_CONNECT,
334 LWS_CONNMODE_WS_CLIENT_WAITING_PROXY_REPLY,
335 LWS_CONNMODE_WS_CLIENT_ISSUE_HANDSHAKE,
336 LWS_CONNMODE_WS_CLIENT_ISSUE_HANDSHAKE2,
337 LWS_CONNMODE_WS_CLIENT_WAITING_SSL,
338 LWS_CONNMODE_WS_CLIENT_WAITING_SERVER_REPLY,
339 LWS_CONNMODE_WS_CLIENT_WAITING_EXTENSION_CONNECT,
340 LWS_CONNMODE_WS_CLIENT_PENDING_CANDIDATE_CHILD,
342 /* special internal types */
343 LWS_CONNMODE_SERVER_LISTENER,
347 LWS_RXFLOW_ALLOW = (1 << 0),
348 LWS_RXFLOW_PENDING_CHANGE = (1 << 1),
351 struct libwebsocket_protocols;
355 struct lws_io_watcher {
356 struct ev_io watcher;
357 struct libwebsocket_context* context;
360 struct lws_signal_watcher {
361 struct ev_signal watcher;
362 struct libwebsocket_context* context;
364 #endif /* LWS_USE_LIBEV */
366 struct libwebsocket_context {
370 struct libwebsocket_pollfd *fds;
371 struct libwebsocket **lws_lookup; /* fd to wsi */
374 struct ev_loop* io_loop;
375 struct lws_io_watcher w_accept;
376 struct lws_signal_watcher w_sigint;
377 #endif /* LWS_USE_LIBEV */
381 char http_proxy_address[128];
382 char canonical_hostname[128];
383 unsigned int http_proxy_port;
384 unsigned int options;
385 time_t last_timeout_check_s;
388 * usable by anything in the service code, but only if the scope
389 * does not last longer than the service action (since next service
390 * of any socket can likewise use it and overwrite)
392 unsigned char service_buffer[LWS_MAX_SOCKET_IO_BUF];
394 int started_with_parent;
397 int listen_service_modulo;
398 int listen_service_count;
399 int listen_service_fd;
400 int listen_service_extraseen;
403 * set to the Thread ID that's doing the service loop just before entry
404 * to poll indicates service thread likely idling in poll()
405 * volatile because other threads may check it as part of processing
406 * for pollfd event change.
408 volatile int service_tid;
410 int dummy_pipe_fds[2];
418 unsigned long worst_latency;
419 char worst_latency_info[256];
422 #ifdef LWS_OPENSSL_SUPPORT
424 int allow_non_ssl_on_ssl_port;
426 SSL_CTX *ssl_client_ctx;
428 struct libwebsocket_protocols *protocols;
430 #ifndef LWS_NO_EXTENSIONS
431 struct libwebsocket_extension *extensions;
437 #define LWS_LIBEV_ENABLED(context) (context->options & LWS_SERVER_OPTION_LIBEV)
439 #define LWS_LIBEV_ENABLED(context) (0)
443 #define LWS_IPV6_ENABLED(context) (!(context->options & LWS_SERVER_OPTION_DISABLE_IPV6))
445 #define LWS_IPV6_ENABLED(context) (0)
448 enum uri_path_states {
451 URIPS_SEEN_SLASH_DOT,
452 URIPS_SEEN_SLASH_DOT_DOT,
456 enum uri_esc_states {
459 URIES_SEEN_PERCENT_H1,
463 * This is totally opaque to code using the library. It's exported as a
464 * forward-reference pointer-only declaration; the user can use the pointer with
465 * other APIs to get information out of it.
468 struct lws_fragments {
469 unsigned short offset;
471 unsigned char next_frag_index;
474 struct allocated_headers {
475 unsigned short next_frag_index;
477 unsigned char frag_index[WSI_TOKEN_COUNT];
478 struct lws_fragments frags[WSI_TOKEN_COUNT * 2];
479 char data[LWS_MAX_HEADER_LEN];
480 #ifndef LWS_NO_CLIENT
481 char initial_handshake_hash_base64[30];
482 unsigned short c_port;
486 struct _lws_http_mode_related {
487 struct allocated_headers *ah; /* mirroring _lws_header_related */
488 #if defined(WIN32) || defined(_WIN32)
493 unsigned long filepos;
494 unsigned long filelen;
497 int content_length_seen;
499 unsigned char *post_buffer;
502 struct _lws_header_related {
503 struct allocated_headers *ah;
505 unsigned char parser_state; /* enum lws_token_indexes */
506 enum uri_path_states ups;
507 enum uri_esc_states ues;
511 struct _lws_websocket_related {
512 char *rx_user_buffer;
513 int rx_user_buffer_head;
514 unsigned char frame_masking_nonce_04[4];
515 unsigned char frame_mask_index;
516 size_t rx_packet_length;
517 unsigned char opcode;
518 unsigned int final:1;
520 unsigned int frame_is_binary:1;
521 unsigned int all_zero_nonce:1;
522 short close_reason; /* enum lws_close_status */
523 unsigned char *rxflow_buffer;
526 unsigned int rxflow_change_to:2;
527 unsigned int this_frame_masked:1;
528 unsigned int inside_frame:1; /* next write will be more of frame */
529 unsigned int clean_buffer:1; /* buffer not rewritten by extension */
532 struct libwebsocket {
534 /* lifetime members */
537 struct lws_io_watcher w_read;
538 struct lws_io_watcher w_write;
539 #endif /* LWS_USE_LIBEV */
540 const struct libwebsocket_protocols *protocol;
541 #ifndef LWS_NO_EXTENSIONS
542 struct libwebsocket_extension *
543 active_extensions[LWS_MAX_EXTENSIONS_ACTIVE];
544 void *active_extensions_user[LWS_MAX_EXTENSIONS_ACTIVE];
545 unsigned char count_active_extensions;
546 unsigned int extension_data_pending:1;
548 unsigned char ietf_spec_revision;
550 char mode; /* enum connection_mode */
551 char state; /* enum lws_connection_states */
552 char lws_rx_parse_state; /* enum lws_rx_parse_state */
553 char rx_frame_type; /* enum libwebsocket_write_protocol */
555 unsigned int hdr_parsing_completed:1;
557 char pending_timeout; /* enum pending_timeout */
558 time_t pending_timeout_limit;
561 int position_in_fds_table;
563 unsigned long action_start;
564 unsigned long latency_start;
567 /* truncated send handling */
568 unsigned char *truncated_send_malloc; /* non-NULL means buffering in progress */
569 unsigned int truncated_send_allocation; /* size of malloc */
570 unsigned int truncated_send_offset; /* where we are in terms of spilling */
571 unsigned int truncated_send_len; /* how much is buffered */
575 /* members with mutually exclusive lifetimes are unionized */
578 struct _lws_http_mode_related http;
579 struct _lws_header_related hdr;
580 struct _lws_websocket_related ws;
583 #ifdef LWS_OPENSSL_SUPPORT
586 unsigned int use_ssl:2;
590 BOOL sock_send_blocking;
594 LWS_EXTERN int log_level;
597 libwebsocket_close_and_free_session(struct libwebsocket_context *context,
598 struct libwebsocket *wsi, enum lws_close_status);
601 remove_wsi_socket_from_fds(struct libwebsocket_context *context,
602 struct libwebsocket *wsi);
605 static inline void lws_latency(struct libwebsocket_context *context,
606 struct libwebsocket *wsi, const char *action,
607 int ret, int completion) { while (0); }
608 static inline void lws_latency_pre(struct libwebsocket_context *context,
609 struct libwebsocket *wsi) { while (0); }
611 #define lws_latency_pre(_context, _wsi) lws_latency(_context, _wsi, NULL, 0, 0)
613 lws_latency(struct libwebsocket_context *context,
614 struct libwebsocket *wsi, const char *action,
615 int ret, int completion);
619 libwebsocket_client_rx_sm(struct libwebsocket *wsi, unsigned char c);
622 libwebsocket_parse(struct libwebsocket *wsi, unsigned char c);
625 lws_b64_selftest(void);
627 LWS_EXTERN struct libwebsocket *
628 wsi_from_fd(struct libwebsocket_context *context, int fd);
631 insert_wsi_socket_into_fds(struct libwebsocket_context *context,
632 struct libwebsocket *wsi);
635 lws_issue_raw(struct libwebsocket *wsi, unsigned char *buf, size_t len);
639 libwebsocket_service_timeout_check(struct libwebsocket_context *context,
640 struct libwebsocket *wsi, unsigned int sec);
642 LWS_EXTERN struct libwebsocket *
643 libwebsocket_client_connect_2(struct libwebsocket_context *context,
644 struct libwebsocket *wsi);
646 LWS_EXTERN struct libwebsocket *
647 libwebsocket_create_new_server_wsi(struct libwebsocket_context *context);
650 libwebsockets_generate_client_handshake(struct libwebsocket_context *context,
651 struct libwebsocket *wsi, char *pkt);
654 lws_handle_POLLOUT_event(struct libwebsocket_context *context,
655 struct libwebsocket *wsi, struct libwebsocket_pollfd *pollfd);
656 #ifndef LWS_NO_EXTENSIONS
658 lws_any_extension_handled(struct libwebsocket_context *context,
659 struct libwebsocket *wsi,
660 enum libwebsocket_extension_callback_reasons r,
661 void *v, size_t len);
664 lws_ext_callback_for_each_active(struct libwebsocket *wsi, int reason,
667 lws_ext_callback_for_each_extension_type(
668 struct libwebsocket_context *context, struct libwebsocket *wsi,
669 int reason, void *arg, int len);
671 #define lws_any_extension_handled(_a, _b, _c, _d, _e) (0)
672 #define lws_ext_callback_for_each_active(_a, _b, _c, _d) (0)
673 #define lws_ext_callback_for_each_extension_type(_a, _b, _c, _d, _e) (0)
674 #define lws_issue_raw_ext_access lws_issue_raw
678 lws_client_interpret_server_handshake(struct libwebsocket_context *context,
679 struct libwebsocket *wsi);
682 libwebsocket_rx_sm(struct libwebsocket *wsi, unsigned char c);
685 lws_issue_raw_ext_access(struct libwebsocket *wsi,
686 unsigned char *buf, size_t len);
689 _libwebsocket_rx_flow_control(struct libwebsocket *wsi);
692 user_callback_handle_rxflow(callback_function,
693 struct libwebsocket_context *context,
694 struct libwebsocket *wsi,
695 enum libwebsocket_callback_reasons reason, void *user,
696 void *in, size_t len);
699 lws_plat_set_socket_options(struct libwebsocket_context *context, int fd);
702 lws_allocate_header_table(struct libwebsocket *wsi);
705 lws_hdr_simple_ptr(struct libwebsocket *wsi, enum lws_token_indexes h);
708 lws_hdr_simple_create(struct libwebsocket *wsi,
709 enum lws_token_indexes h, const char *s);
712 libwebsocket_ensure_user_space(struct libwebsocket *wsi);
715 lws_change_pollfd(struct libwebsocket *wsi, int _and, int _or);
717 #ifndef LWS_NO_SERVER
718 int lws_context_init_server(struct lws_context_creation_info *info,
719 struct libwebsocket_context *context);
720 LWS_EXTERN int handshake_0405(struct libwebsocket_context *context,
721 struct libwebsocket *wsi);
723 libwebsocket_interpret_incoming_packet(struct libwebsocket *wsi,
724 unsigned char *buf, size_t len);
726 #define lws_context_init_server(_a, _b) (0)
727 #define libwebsocket_interpret_incoming_packet(_a, _b, _c) (0)
730 #ifndef LWS_NO_DAEMONIZE
731 LWS_EXTERN int get_daemonize_pid();
734 LWS_EXTERN int interface_to_sa(struct libwebsocket_context *context,
735 const char *ifname, struct sockaddr_in *addr, size_t addrlen);
737 LWS_EXTERN void lwsl_emit_stderr(int level, const char *line);
740 LWS_EXTERN HANDLE lws_plat_open_file(const char* filename, unsigned long* filelen);
742 LWS_EXTERN int lws_plat_open_file(const char* filename, unsigned long* filelen);
745 enum lws_ssl_capable_status {
746 LWS_SSL_CAPABLE_ERROR = -1,
747 LWS_SSL_CAPABLE_MORE_SERVICE = -2,
750 #ifndef LWS_OPENSSL_SUPPORT
753 SHA1(const unsigned char *d, size_t n, unsigned char *md);
754 #define lws_context_init_server_ssl(_a, _b) (0)
755 #define lws_ssl_destroy(_a)
756 #define lws_context_init_http2_ssl(_a)
757 #define lws_ssl_pending(_a) (0)
758 #define lws_ssl_capable_read lws_ssl_capable_read_no_ssl
759 #define lws_ssl_capable_write lws_ssl_capable_write_no_ssl
761 LWS_EXTERN int lws_ssl_pending(struct libwebsocket *wsi);
762 LWS_EXTERN int openssl_websocket_private_data_index;
764 lws_ssl_capable_read(struct libwebsocket *wsi, unsigned char *buf, int len);
767 lws_ssl_capable_write(struct libwebsocket *wsi, unsigned char *buf, int len);
769 #ifndef LWS_NO_SERVER
771 lws_context_init_server_ssl(struct lws_context_creation_info *info,
772 struct libwebsocket_context *context);
774 #define lws_context_init_server_ssl(_a, _b) (0)
777 lws_ssl_destroy(struct libwebsocket_context *context);
780 lws_ssl_capable_read_no_ssl(struct libwebsocket *wsi, unsigned char *buf, int len);
783 lws_ssl_capable_write_no_ssl(struct libwebsocket *wsi, unsigned char *buf, int len);
789 lws_context_init_http2_ssl(struct libwebsocket_context *context);
791 #define lws_context_init_http2_ssl(_a)
795 #ifndef LWS_NO_CLIENT
796 LWS_EXTERN int lws_client_socket_service(
797 struct libwebsocket_context *context,
798 struct libwebsocket *wsi, struct libwebsocket_pollfd *pollfd);
799 #ifdef LWS_OPENSSL_SUPPORT
800 LWS_EXTERN int lws_context_init_client_ssl(struct lws_context_creation_info *info,
801 struct libwebsocket_context *context);
803 #define lws_context_init_client_ssl(_a, _b) (0)
805 LWS_EXTERN int lws_handshake_client(struct libwebsocket *wsi, unsigned char **buf, size_t len);
807 libwebsockets_decode_ssl_error(void);
809 #define lws_context_init_client_ssl(_a, _b) (0)
810 #define lws_handshake_client(_a, _b, _c) (0)
812 #ifndef LWS_NO_SERVER
813 LWS_EXTERN int lws_server_socket_service(
814 struct libwebsocket_context *context,
815 struct libwebsocket *wsi, struct libwebsocket_pollfd *pollfd);
816 LWS_EXTERN int _libwebsocket_rx_flow_control(struct libwebsocket *wsi);
817 LWS_EXTERN int lws_handshake_server(struct libwebsocket_context *context,
818 struct libwebsocket *wsi, unsigned char **buf, size_t len);
820 #define lws_server_socket_service(_a, _b, _c) (0)
821 #define _libwebsocket_rx_flow_control(_a) (0)
822 #define lws_handshake_server(_a, _b, _c, _d) (0)
829 lws_plat_delete_socket_from_fds(struct libwebsocket_context *context,
830 struct libwebsocket *wsi, int m);
832 lws_plat_insert_socket_into_fds(struct libwebsocket_context *context,
833 struct libwebsocket *wsi);
835 lws_plat_service_periodic(struct libwebsocket_context *context);
838 lws_plat_change_pollfd(struct libwebsocket_context *context,
839 struct libwebsocket *wsi, struct libwebsocket_pollfd *pfd);
841 lws_plat_context_early_init(void);
843 lws_plat_context_early_destroy(struct libwebsocket_context *context);
845 lws_plat_context_late_destroy(struct libwebsocket_context *context);
847 lws_poll_listen_fd(struct libwebsocket_pollfd *fd);
849 lws_plat_service(struct libwebsocket_context *context, int timeout_ms);
851 lws_plat_init_fd_tables(struct libwebsocket_context *context);
853 lws_plat_drop_app_privileges(struct lws_context_creation_info *info);
854 LWS_EXTERN unsigned long long
855 time_in_microseconds(void);
856 LWS_EXTERN const char *
857 lws_plat_inet_ntop(int af, const void *src, char *dst, int cnt);