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,
290 WSI_STATE_FLUSHING_STORED_SEND_BEFORE_CLOSE,
293 enum lws_rx_parse_state {
296 LWS_RXPS_04_MASK_NONCE_1,
297 LWS_RXPS_04_MASK_NONCE_2,
298 LWS_RXPS_04_MASK_NONCE_3,
300 LWS_RXPS_04_FRAME_HDR_1,
301 LWS_RXPS_04_FRAME_HDR_LEN,
302 LWS_RXPS_04_FRAME_HDR_LEN16_2,
303 LWS_RXPS_04_FRAME_HDR_LEN16_1,
304 LWS_RXPS_04_FRAME_HDR_LEN64_8,
305 LWS_RXPS_04_FRAME_HDR_LEN64_7,
306 LWS_RXPS_04_FRAME_HDR_LEN64_6,
307 LWS_RXPS_04_FRAME_HDR_LEN64_5,
308 LWS_RXPS_04_FRAME_HDR_LEN64_4,
309 LWS_RXPS_04_FRAME_HDR_LEN64_3,
310 LWS_RXPS_04_FRAME_HDR_LEN64_2,
311 LWS_RXPS_04_FRAME_HDR_LEN64_1,
313 LWS_RXPS_07_COLLECT_FRAME_KEY_1,
314 LWS_RXPS_07_COLLECT_FRAME_KEY_2,
315 LWS_RXPS_07_COLLECT_FRAME_KEY_3,
316 LWS_RXPS_07_COLLECT_FRAME_KEY_4,
318 LWS_RXPS_PAYLOAD_UNTIL_LENGTH_EXHAUSTED
322 enum connection_mode {
323 LWS_CONNMODE_HTTP_SERVING,
324 LWS_CONNMODE_HTTP_SERVING_ACCEPTED, /* actual HTTP service going on */
325 LWS_CONNMODE_PRE_WS_SERVING_ACCEPT,
327 LWS_CONNMODE_WS_SERVING,
328 LWS_CONNMODE_WS_CLIENT,
330 /* transient, ssl delay hiding */
331 LWS_CONNMODE_SSL_ACK_PENDING,
333 /* transient modes */
334 LWS_CONNMODE_WS_CLIENT_WAITING_CONNECT,
335 LWS_CONNMODE_WS_CLIENT_WAITING_PROXY_REPLY,
336 LWS_CONNMODE_WS_CLIENT_ISSUE_HANDSHAKE,
337 LWS_CONNMODE_WS_CLIENT_ISSUE_HANDSHAKE2,
338 LWS_CONNMODE_WS_CLIENT_WAITING_SSL,
339 LWS_CONNMODE_WS_CLIENT_WAITING_SERVER_REPLY,
340 LWS_CONNMODE_WS_CLIENT_WAITING_EXTENSION_CONNECT,
341 LWS_CONNMODE_WS_CLIENT_PENDING_CANDIDATE_CHILD,
343 /* special internal types */
344 LWS_CONNMODE_SERVER_LISTENER,
348 LWS_RXFLOW_ALLOW = (1 << 0),
349 LWS_RXFLOW_PENDING_CHANGE = (1 << 1),
352 struct libwebsocket_protocols;
356 struct lws_io_watcher {
357 struct ev_io watcher;
358 struct libwebsocket_context* context;
361 struct lws_signal_watcher {
362 struct ev_signal watcher;
363 struct libwebsocket_context* context;
365 #endif /* LWS_USE_LIBEV */
367 struct libwebsocket_context {
371 struct libwebsocket_pollfd *fds;
372 struct libwebsocket **lws_lookup; /* fd to wsi */
375 struct ev_loop* io_loop;
376 struct lws_io_watcher w_accept;
377 struct lws_signal_watcher w_sigint;
378 #endif /* LWS_USE_LIBEV */
382 char http_proxy_address[128];
383 char canonical_hostname[128];
384 unsigned int http_proxy_port;
385 unsigned int options;
386 time_t last_timeout_check_s;
389 * usable by anything in the service code, but only if the scope
390 * does not last longer than the service action (since next service
391 * of any socket can likewise use it and overwrite)
393 unsigned char service_buffer[LWS_MAX_SOCKET_IO_BUF];
395 int started_with_parent;
398 int listen_service_modulo;
399 int listen_service_count;
400 int listen_service_fd;
401 int listen_service_extraseen;
404 * set to the Thread ID that's doing the service loop just before entry
405 * to poll indicates service thread likely idling in poll()
406 * volatile because other threads may check it as part of processing
407 * for pollfd event change.
409 volatile int service_tid;
411 int dummy_pipe_fds[2];
419 unsigned long worst_latency;
420 char worst_latency_info[256];
423 #ifdef LWS_OPENSSL_SUPPORT
425 int allow_non_ssl_on_ssl_port;
427 SSL_CTX *ssl_client_ctx;
429 struct libwebsocket_protocols *protocols;
431 #ifndef LWS_NO_EXTENSIONS
432 struct libwebsocket_extension *extensions;
438 LWS_EV_READ = (1 << 0),
439 LWS_EV_WRITE = (1 << 1),
440 LWS_EV_START = (1 << 2),
441 LWS_EV_STOP = (1 << 3),
445 #define LWS_LIBEV_ENABLED(context) (context->options & LWS_SERVER_OPTION_LIBEV)
446 LWS_EXTERN void lws_feature_status_libev(struct lws_context_creation_info *info);
448 lws_libev_accept(struct libwebsocket_context *context,
449 struct libwebsocket *new_wsi, int accept_fd);
451 lws_libev_io(struct libwebsocket_context *context,
452 struct libwebsocket *wsi, int flags);
454 lws_libev_init_fd_table(struct libwebsocket_context *context);
456 lws_libev_run(struct libwebsocket_context *context);
458 #define LWS_LIBEV_ENABLED(context) (0)
459 #define lws_feature_status_libev(_a) \
460 lwsl_notice("libev support not compiled in\n")
461 #define lws_libev_accept(_a, _b, _c) (0)
462 #define lws_libev_io(_a, _b, _c) (0)
463 #define lws_libev_init_fd_table(_a) (0)
464 #define lws_libev_run(_a) (0)
468 #define LWS_IPV6_ENABLED(context) (!(context->options & LWS_SERVER_OPTION_DISABLE_IPV6))
470 #define LWS_IPV6_ENABLED(context) (0)
473 enum uri_path_states {
476 URIPS_SEEN_SLASH_DOT,
477 URIPS_SEEN_SLASH_DOT_DOT,
481 enum uri_esc_states {
484 URIES_SEEN_PERCENT_H1,
488 * This is totally opaque to code using the library. It's exported as a
489 * forward-reference pointer-only declaration; the user can use the pointer with
490 * other APIs to get information out of it.
493 struct lws_fragments {
494 unsigned short offset;
496 unsigned char next_frag_index;
499 struct allocated_headers {
500 unsigned short next_frag_index;
502 unsigned char frag_index[WSI_TOKEN_COUNT];
503 struct lws_fragments frags[WSI_TOKEN_COUNT * 2];
504 char data[LWS_MAX_HEADER_LEN];
505 #ifndef LWS_NO_CLIENT
506 char initial_handshake_hash_base64[30];
507 unsigned short c_port;
511 struct _lws_http_mode_related {
512 struct allocated_headers *ah; /* mirroring _lws_header_related */
513 #if defined(WIN32) || defined(_WIN32)
518 unsigned long filepos;
519 unsigned long filelen;
522 int content_length_seen;
524 unsigned char *post_buffer;
527 struct _lws_header_related {
528 struct allocated_headers *ah;
530 unsigned char parser_state; /* enum lws_token_indexes */
531 enum uri_path_states ups;
532 enum uri_esc_states ues;
536 struct _lws_websocket_related {
537 char *rx_user_buffer;
538 int rx_user_buffer_head;
539 unsigned char frame_masking_nonce_04[4];
540 unsigned char frame_mask_index;
541 size_t rx_packet_length;
542 unsigned char opcode;
543 unsigned int final:1;
545 unsigned int frame_is_binary:1;
546 unsigned int all_zero_nonce:1;
547 short close_reason; /* enum lws_close_status */
548 unsigned char *rxflow_buffer;
551 unsigned int rxflow_change_to:2;
552 unsigned int this_frame_masked:1;
553 unsigned int inside_frame:1; /* next write will be more of frame */
554 unsigned int clean_buffer:1; /* buffer not rewritten by extension */
557 struct libwebsocket {
559 /* lifetime members */
562 struct lws_io_watcher w_read;
563 struct lws_io_watcher w_write;
564 #endif /* LWS_USE_LIBEV */
565 const struct libwebsocket_protocols *protocol;
566 #ifndef LWS_NO_EXTENSIONS
567 struct libwebsocket_extension *
568 active_extensions[LWS_MAX_EXTENSIONS_ACTIVE];
569 void *active_extensions_user[LWS_MAX_EXTENSIONS_ACTIVE];
570 unsigned char count_active_extensions;
571 unsigned int extension_data_pending:1;
573 unsigned char ietf_spec_revision;
575 char mode; /* enum connection_mode */
576 char state; /* enum lws_connection_states */
577 char lws_rx_parse_state; /* enum lws_rx_parse_state */
578 char rx_frame_type; /* enum libwebsocket_write_protocol */
580 unsigned int hdr_parsing_completed:1;
582 char pending_timeout; /* enum pending_timeout */
583 time_t pending_timeout_limit;
586 int position_in_fds_table;
588 unsigned long action_start;
589 unsigned long latency_start;
592 /* truncated send handling */
593 unsigned char *truncated_send_malloc; /* non-NULL means buffering in progress */
594 unsigned int truncated_send_allocation; /* size of malloc */
595 unsigned int truncated_send_offset; /* where we are in terms of spilling */
596 unsigned int truncated_send_len; /* how much is buffered */
600 /* members with mutually exclusive lifetimes are unionized */
603 struct _lws_http_mode_related http;
604 struct _lws_header_related hdr;
605 struct _lws_websocket_related ws;
608 #ifdef LWS_OPENSSL_SUPPORT
611 unsigned int use_ssl:2;
615 BOOL sock_send_blocking;
619 LWS_EXTERN int log_level;
622 libwebsocket_close_and_free_session(struct libwebsocket_context *context,
623 struct libwebsocket *wsi, enum lws_close_status);
626 remove_wsi_socket_from_fds(struct libwebsocket_context *context,
627 struct libwebsocket *wsi);
630 static inline void lws_latency(struct libwebsocket_context *context,
631 struct libwebsocket *wsi, const char *action,
632 int ret, int completion) { while (0); }
633 static inline void lws_latency_pre(struct libwebsocket_context *context,
634 struct libwebsocket *wsi) { while (0); }
636 #define lws_latency_pre(_context, _wsi) lws_latency(_context, _wsi, NULL, 0, 0)
638 lws_latency(struct libwebsocket_context *context,
639 struct libwebsocket *wsi, const char *action,
640 int ret, int completion);
644 libwebsocket_client_rx_sm(struct libwebsocket *wsi, unsigned char c);
647 libwebsocket_parse(struct libwebsocket *wsi, unsigned char c);
650 lws_b64_selftest(void);
652 LWS_EXTERN struct libwebsocket *
653 wsi_from_fd(struct libwebsocket_context *context, int fd);
656 insert_wsi_socket_into_fds(struct libwebsocket_context *context,
657 struct libwebsocket *wsi);
660 lws_issue_raw(struct libwebsocket *wsi, unsigned char *buf, size_t len);
664 libwebsocket_service_timeout_check(struct libwebsocket_context *context,
665 struct libwebsocket *wsi, unsigned int sec);
667 LWS_EXTERN struct libwebsocket *
668 libwebsocket_client_connect_2(struct libwebsocket_context *context,
669 struct libwebsocket *wsi);
671 LWS_EXTERN struct libwebsocket *
672 libwebsocket_create_new_server_wsi(struct libwebsocket_context *context);
675 libwebsockets_generate_client_handshake(struct libwebsocket_context *context,
676 struct libwebsocket *wsi, char *pkt);
679 lws_handle_POLLOUT_event(struct libwebsocket_context *context,
680 struct libwebsocket *wsi, struct libwebsocket_pollfd *pollfd);
681 #ifndef LWS_NO_EXTENSIONS
683 lws_any_extension_handled(struct libwebsocket_context *context,
684 struct libwebsocket *wsi,
685 enum libwebsocket_extension_callback_reasons r,
686 void *v, size_t len);
689 lws_ext_callback_for_each_active(struct libwebsocket *wsi, int reason,
692 lws_ext_callback_for_each_extension_type(
693 struct libwebsocket_context *context, struct libwebsocket *wsi,
694 int reason, void *arg, int len);
696 #define lws_any_extension_handled(_a, _b, _c, _d, _e) (0)
697 #define lws_ext_callback_for_each_active(_a, _b, _c, _d) (0)
698 #define lws_ext_callback_for_each_extension_type(_a, _b, _c, _d, _e) (0)
699 #define lws_issue_raw_ext_access lws_issue_raw
703 lws_client_interpret_server_handshake(struct libwebsocket_context *context,
704 struct libwebsocket *wsi);
707 libwebsocket_rx_sm(struct libwebsocket *wsi, unsigned char c);
710 lws_issue_raw_ext_access(struct libwebsocket *wsi,
711 unsigned char *buf, size_t len);
714 _libwebsocket_rx_flow_control(struct libwebsocket *wsi);
717 user_callback_handle_rxflow(callback_function,
718 struct libwebsocket_context *context,
719 struct libwebsocket *wsi,
720 enum libwebsocket_callback_reasons reason, void *user,
721 void *in, size_t len);
724 lws_plat_set_socket_options(struct libwebsocket_context *context, int fd);
727 lws_allocate_header_table(struct libwebsocket *wsi);
730 lws_hdr_simple_ptr(struct libwebsocket *wsi, enum lws_token_indexes h);
733 lws_hdr_simple_create(struct libwebsocket *wsi,
734 enum lws_token_indexes h, const char *s);
737 libwebsocket_ensure_user_space(struct libwebsocket *wsi);
740 lws_change_pollfd(struct libwebsocket *wsi, int _and, int _or);
742 #ifndef LWS_NO_SERVER
743 int lws_context_init_server(struct lws_context_creation_info *info,
744 struct libwebsocket_context *context);
745 LWS_EXTERN int handshake_0405(struct libwebsocket_context *context,
746 struct libwebsocket *wsi);
748 libwebsocket_interpret_incoming_packet(struct libwebsocket *wsi,
749 unsigned char *buf, size_t len);
751 #define lws_context_init_server(_a, _b) (0)
752 #define libwebsocket_interpret_incoming_packet(_a, _b, _c) (0)
755 #ifndef LWS_NO_DAEMONIZE
756 LWS_EXTERN int get_daemonize_pid();
759 LWS_EXTERN int interface_to_sa(struct libwebsocket_context *context,
760 const char *ifname, struct sockaddr_in *addr, size_t addrlen);
762 LWS_EXTERN void lwsl_emit_stderr(int level, const char *line);
765 LWS_EXTERN HANDLE lws_plat_open_file(const char* filename, unsigned long* filelen);
767 LWS_EXTERN int lws_plat_open_file(const char* filename, unsigned long* filelen);
770 enum lws_ssl_capable_status {
771 LWS_SSL_CAPABLE_ERROR = -1,
772 LWS_SSL_CAPABLE_MORE_SERVICE = -2,
775 #ifndef LWS_OPENSSL_SUPPORT
778 SHA1(const unsigned char *d, size_t n, unsigned char *md);
779 #define lws_context_init_server_ssl(_a, _b) (0)
780 #define lws_ssl_destroy(_a)
781 #define lws_context_init_http2_ssl(_a)
782 #define lws_ssl_pending(_a) (0)
783 #define lws_ssl_capable_read lws_ssl_capable_read_no_ssl
784 #define lws_ssl_capable_write lws_ssl_capable_write_no_ssl
786 LWS_EXTERN int lws_ssl_pending(struct libwebsocket *wsi);
787 LWS_EXTERN int openssl_websocket_private_data_index;
789 lws_ssl_capable_read(struct libwebsocket *wsi, unsigned char *buf, int len);
792 lws_ssl_capable_write(struct libwebsocket *wsi, unsigned char *buf, int len);
794 #ifndef LWS_NO_SERVER
796 lws_context_init_server_ssl(struct lws_context_creation_info *info,
797 struct libwebsocket_context *context);
799 #define lws_context_init_server_ssl(_a, _b) (0)
802 lws_ssl_destroy(struct libwebsocket_context *context);
805 lws_ssl_capable_read_no_ssl(struct libwebsocket *wsi, unsigned char *buf, int len);
808 lws_ssl_capable_write_no_ssl(struct libwebsocket *wsi, unsigned char *buf, int len);
814 lws_context_init_http2_ssl(struct libwebsocket_context *context);
816 #define lws_context_init_http2_ssl(_a)
820 #ifndef LWS_NO_CLIENT
821 LWS_EXTERN int lws_client_socket_service(
822 struct libwebsocket_context *context,
823 struct libwebsocket *wsi, struct libwebsocket_pollfd *pollfd);
824 #ifdef LWS_OPENSSL_SUPPORT
825 LWS_EXTERN int lws_context_init_client_ssl(struct lws_context_creation_info *info,
826 struct libwebsocket_context *context);
828 #define lws_context_init_client_ssl(_a, _b) (0)
830 LWS_EXTERN int lws_handshake_client(struct libwebsocket *wsi, unsigned char **buf, size_t len);
832 libwebsockets_decode_ssl_error(void);
834 #define lws_context_init_client_ssl(_a, _b) (0)
835 #define lws_handshake_client(_a, _b, _c) (0)
837 #ifndef LWS_NO_SERVER
838 LWS_EXTERN int lws_server_socket_service(
839 struct libwebsocket_context *context,
840 struct libwebsocket *wsi, struct libwebsocket_pollfd *pollfd);
841 LWS_EXTERN int _libwebsocket_rx_flow_control(struct libwebsocket *wsi);
842 LWS_EXTERN int lws_handshake_server(struct libwebsocket_context *context,
843 struct libwebsocket *wsi, unsigned char **buf, size_t len);
845 #define lws_server_socket_service(_a, _b, _c) (0)
846 #define _libwebsocket_rx_flow_control(_a) (0)
847 #define lws_handshake_server(_a, _b, _c, _d) (0)
854 lws_plat_delete_socket_from_fds(struct libwebsocket_context *context,
855 struct libwebsocket *wsi, int m);
857 lws_plat_insert_socket_into_fds(struct libwebsocket_context *context,
858 struct libwebsocket *wsi);
860 lws_plat_service_periodic(struct libwebsocket_context *context);
863 lws_plat_change_pollfd(struct libwebsocket_context *context,
864 struct libwebsocket *wsi, struct libwebsocket_pollfd *pfd);
866 lws_plat_context_early_init(void);
868 lws_plat_context_early_destroy(struct libwebsocket_context *context);
870 lws_plat_context_late_destroy(struct libwebsocket_context *context);
872 lws_poll_listen_fd(struct libwebsocket_pollfd *fd);
874 lws_plat_service(struct libwebsocket_context *context, int timeout_ms);
876 lws_plat_init_fd_tables(struct libwebsocket_context *context);
878 lws_plat_drop_app_privileges(struct lws_context_creation_info *info);
879 LWS_EXTERN unsigned long long
880 time_in_microseconds(void);
881 LWS_EXTERN const char *
882 lws_plat_inet_ntop(int af, const void *src, char *dst, int cnt);