libwebsockets
Lightweight C library for HTML5 websockets
libwebsockets.h
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1 /*
2  * libwebsockets - small server side websockets and web server implementation
3  *
4  * Copyright (C) 2010 - 2019 Andy Green <andy@warmcat.com>
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to
8  * deal in the Software without restriction, including without limitation the
9  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10  * sell copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22  * IN THE SOFTWARE.
23  */
24 
27 #ifndef LIBWEBSOCKET_H_3060898B846849FF9F88F5DB59B5950C
28 #define LIBWEBSOCKET_H_3060898B846849FF9F88F5DB59B5950C
29 
30 #ifdef __cplusplus
31 #include <cstddef>
32 #include <cstdarg>
33 
34 extern "C" {
35 #else
36 #include <stdarg.h>
37 #endif
38 
39 #include "lws_config.h"
40 
41 #if defined(LWS_HAVE_SYS_TYPES_H) && !defined(LWS_PLAT_BAREMETAL)
42 #include <sys/types.h>
43 #endif
44 #if defined(LWS_HAVE_NET_ETHERNET_H)
45 #include <net/ethernet.h>
46 #endif
47 /* NetBSD */
48 #if defined(LWS_HAVE_NET_IF_ETHER_H)
49 #include <net/if_ether.h>
50 #endif
51 #if defined(_WIN32) && !defined(ETHER_ADDR_LEN)
52 #define ETHER_ADDR_LEN 6
53 #endif
54 #if defined (__sun)
55  #include <sys/ethernet.h>
56  #if !defined(ETHER_ADDR_LEN) && defined(ETHERADDRL)
57  #define ETHER_ADDR_LEN ETHERADDRL
58  #endif
59 #endif
60 #define LWS_ETHER_ADDR_LEN ETHER_ADDR_LEN
61 
62 #include <stddef.h>
63 #include <string.h>
64 #include <stdlib.h>
65 
66 
67 /* place for one-shot opaque forward references */
68 
69 typedef struct lws_context * lws_ctx_t;
70 struct lws_dsh;
71 
72 /*
73  * CARE: everything using cmake defines needs to be below here
74  */
75 
76 #define LWS_US_PER_SEC ((lws_usec_t)1000000)
77 #define LWS_MS_PER_SEC ((lws_usec_t)1000)
78 #define LWS_US_PER_MS ((lws_usec_t)1000)
79 #define LWS_NS_PER_US ((lws_usec_t)1000)
80 
81 #define LWS_KI (1024)
82 #define LWS_MI (LWS_KI * 1024)
83 #define LWS_GI (LWS_MI * 1024)
84 #define LWS_TI ((uint64_t)LWS_GI * 1024)
85 #define LWS_PI ((uint64_t)LWS_TI * 1024)
86 
87 #define LWS_US_TO_MS(x) ((x + (LWS_US_PER_MS / 2)) / LWS_US_PER_MS)
88 
89 #define LWS_FOURCC(a, b, c, d) ((a << 24) | (b << 16) | (c << 8) | d)
90 
91 #if defined(LWS_HAS_INTPTR_T)
92 #include <stdint.h>
93 #define lws_intptr_t intptr_t
94 #else
95 typedef unsigned long long lws_intptr_t;
96 #endif
97 
98 #if defined(WIN32) || defined(_WIN32)
99 #ifndef WIN32_LEAN_AND_MEAN
100 #define WIN32_LEAN_AND_MEAN
101 #endif
102 
103 #include <winsock2.h>
104 #include <ws2tcpip.h>
105 #include <stddef.h>
106 #include <basetsd.h>
107 #include <io.h>
108 #ifndef _WIN32_WCE
109 #include <fcntl.h>
110 #else
111 #define _O_RDONLY 0x0000
112 #define O_RDONLY _O_RDONLY
113 #endif
114 
115 typedef unsigned int uid_t;
116 typedef unsigned int gid_t;
117 typedef unsigned short sa_family_t;
118 #if !defined(LWS_HAVE_SUSECONDS_T)
119 typedef unsigned int useconds_t;
120 typedef int suseconds_t;
121 #endif
122 
123 #define LWS_INLINE __inline
124 #define LWS_VISIBLE
125 #define LWS_WARN_UNUSED_RESULT
126 #define LWS_WARN_DEPRECATED
127 #define LWS_FORMAT(string_index)
128 
129 #if !defined(LWS_EXTERN) && defined(LWS_BUILDING_SHARED)
130 #ifdef LWS_DLL
131 #ifdef LWS_INTERNAL
132 #define LWS_EXTERN extern __declspec(dllexport)
133 #else
134 #define LWS_EXTERN extern __declspec(dllimport)
135 #endif
136 #endif
137 #endif
138 
139 #if !defined(LWS_INTERNAL) && !defined(LWS_EXTERN)
140 #define LWS_EXTERN
141 #define LWS_VISIBLE
142 #endif
143 
144 #if !defined(LWS_EXTERN)
145 #define LWS_EXTERN
146 #endif
147 
148 #define LWS_INVALID_FILE INVALID_HANDLE_VALUE
149 #define LWS_SOCK_INVALID (INVALID_SOCKET)
150 #define LWS_O_RDONLY _O_RDONLY
151 #define LWS_O_WRONLY _O_WRONLY
152 #define LWS_O_CREAT _O_CREAT
153 #define LWS_O_TRUNC _O_TRUNC
154 
155 #if (__STDC_VERSION__ < 199901L) && !defined(__func__)
156 #define __func__ __FUNCTION__
157 #endif
158 
159 #else /* NOT WIN32 */
160 #include <unistd.h>
161 
162 #if defined(LWS_HAVE_SYS_CAPABILITY_H) && defined(LWS_HAVE_LIBCAP)
163 #include <sys/capability.h>
164 #endif
165 
166 #if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__QNX__) || defined(__OpenBSD__) || defined(__NuttX__)
167 #include <sys/socket.h>
168 #include <netinet/in.h>
169 #endif
170 
171 #define LWS_INLINE inline
172 #define LWS_O_RDONLY O_RDONLY
173 #define LWS_O_WRONLY O_WRONLY
174 #define LWS_O_CREAT O_CREAT
175 #define LWS_O_TRUNC O_TRUNC
176 
177 #if !defined(LWS_PLAT_OPTEE) && !defined(OPTEE_TA) && !defined(LWS_PLAT_FREERTOS) && !defined(LWS_PLAT_BAREMETAL)
178 #include <poll.h>
179 #include <netdb.h>
180 #define LWS_INVALID_FILE -1
181 #define LWS_SOCK_INVALID (-1)
182 #else
183 #define getdtablesize() (30)
184 #if defined(LWS_PLAT_FREERTOS)
185 #define LWS_INVALID_FILE NULL
186 #define LWS_SOCK_INVALID (-1)
187 #else
188 #define LWS_INVALID_FILE NULL
189 #define LWS_SOCK_INVALID (-1)
190 #endif
191 #endif
192 
193 #if defined(__FreeBSD__)
194 #include <sys/signal.h>
195 #endif
196 #if defined(__GNUC__)
197 
198 /* warn_unused_result attribute only supported by GCC 3.4 or later */
199 #if __GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
200 #define LWS_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
201 #else
202 #define LWS_WARN_UNUSED_RESULT
203 #endif
204 
205 #if defined(LWS_BUILDING_SHARED)
206 /* this is only set when we're building lws itself shared */
207 #define LWS_VISIBLE __attribute__((visibility("default")))
208 #define LWS_EXTERN extern
209 
210 #else /* not shared */
211 #if defined(WIN32) || defined(_WIN32) || defined(__MINGW32__)
212 #define LWS_VISIBLE
213 #define LWS_EXTERN extern
214 #else
215 /*
216  * If we explicitly say hidden here, symbols exist as T but
217  * cannot be imported at link-time.
218  */
219 #define LWS_VISIBLE
220 #define LWS_EXTERN
221 #endif
222 
223 #endif /* not shared */
224 
225 #define LWS_WARN_DEPRECATED __attribute__ ((deprecated))
226 #undef printf
227 #define LWS_FORMAT(string_index) __attribute__ ((format(printf, string_index, string_index+1)))
228 #else /* not GNUC */
229 
230 #define LWS_VISIBLE
231 #define LWS_WARN_UNUSED_RESULT
232 #define LWS_WARN_DEPRECATED
233 #define LWS_FORMAT(string_index)
234 #if !defined(LWS_EXTERN)
235 #define LWS_EXTERN extern
236 #endif
237 #endif
238 
239 
240 #if defined(__ANDROID__)
241 #include <netinet/in.h>
242 #include <unistd.h>
243 #endif
244 #endif
245 
246 #ifdef _WIN32
247 #define random rand
248 #else
249 #if !defined(LWS_PLAT_OPTEE)
250 #include <sys/time.h>
251 #include <unistd.h>
252 #endif
253 #endif
254 
255 #if defined(LWS_WITH_LIBUV_INTERNAL)
256 #include <uv.h>
257 
258 #ifdef LWS_HAVE_UV_VERSION_H
259 #include <uv-version.h>
260 #endif
261 
262 #ifdef LWS_HAVE_NEW_UV_VERSION_H
263 #include <uv/version.h>
264 #endif
265 #endif
266 
267 #if defined(LWS_WITH_TLS)
268 
269 #ifdef USE_WOLFSSL
270 #ifdef USE_OLD_CYASSL
271 #ifdef _WIN32
272 /*
273  * Include user-controlled settings for windows from
274  * <wolfssl-root>/IDE/WIN/user_settings.h
275  */
276 #include <IDE/WIN/user_settings.h>
277 #include <cyassl/ctaocrypt/settings.h>
278 #else
279 #include <cyassl/options.h>
280 #endif
281 #include <cyassl/openssl/ssl.h>
282 #include <cyassl/error-ssl.h>
283 
284 #else
285 #ifdef _WIN32
286 /*
287  * Include user-controlled settings for windows from
288  * <wolfssl-root>/IDE/WIN/user_settings.h
289  */
290 #include <IDE/WIN/user_settings.h>
291 #include <wolfssl/wolfcrypt/settings.h>
292 #else
293 #include <wolfssl/options.h>
294 #endif
295 #include <wolfssl/openssl/ssl.h>
296 #include <wolfssl/error-ssl.h>
297 #endif /* not USE_OLD_CYASSL */
298 #else
299 #if defined(LWS_WITH_MBEDTLS)
300 #if defined(LWS_PLAT_FREERTOS)
301 /* this filepath is passed to us but without quotes or <> */
302 #if !defined(LWS_AMAZON_RTOS)
303 /* AMAZON RTOS has its own setting via MTK_MBEDTLS_CONFIG_FILE */
304 #undef MBEDTLS_CONFIG_FILE
305 #define MBEDTLS_CONFIG_FILE <mbedtls/esp_config.h>
306 #endif
307 #endif
308 
309 #if defined(LWS_WITH_TLS)
310 #include <mbedtls/ssl.h>
311 #include <mbedtls/entropy.h>
312 #include <mbedtls/ctr_drbg.h>
313 #include <mbedtls/version.h>
314 
315 #if !defined(MBEDTLS_PRIVATE)
316 #define MBEDTLS_PRIVATE(_q) _q
317 #endif
318 
319 #if (MBEDTLS_VERSION_MAJOR == 3) && (MBEDTLS_VERSION_MINOR == 0)
320 #define MBEDTLS_PRIVATE_V30_ONLY(_q) MBEDTLS_PRIVATE(_q)
321 #else
322 #define MBEDTLS_PRIVATE_V30_ONLY(_q) _q
323 #endif
324 
325 #endif
326 #else
327 #include <openssl/ssl.h>
328 #if !defined(LWS_WITH_MBEDTLS)
329 #include <openssl/err.h>
330 #endif
331 #endif
332 #endif /* not USE_WOLFSSL */
333 #endif
334 
335 /*
336  * Helpers for pthread mutex in user code... if lws is built for
337  * multiple service threads, these resolve to pthread mutex
338  * operations. In the case LWS_MAX_SMP is 1 (the default), they
339  * are all NOPs and no pthread type or api is referenced.
340  */
341 
342 #if LWS_MAX_SMP > 1
343 
344 #include <pthread.h>
345 
346 #define lws_pthread_mutex(name) pthread_mutex_t name;
347 
348 static LWS_INLINE void
349 lws_pthread_mutex_init(pthread_mutex_t *lock)
350 {
351  pthread_mutex_init(lock, NULL);
352 }
353 
354 static LWS_INLINE void
355 lws_pthread_mutex_destroy(pthread_mutex_t *lock)
356 {
357  pthread_mutex_destroy(lock);
358 }
359 
360 static LWS_INLINE void
361 lws_pthread_mutex_lock(pthread_mutex_t *lock)
362 {
363  pthread_mutex_lock(lock);
364 }
365 
366 static LWS_INLINE void
367 lws_pthread_mutex_unlock(pthread_mutex_t *lock)
368 {
369  pthread_mutex_unlock(lock);
370 }
371 
372 #else
373 #define lws_pthread_mutex(name)
374 #define lws_pthread_mutex_init(_a)
375 #define lws_pthread_mutex_destroy(_a)
376 #define lws_pthread_mutex_lock(_a)
377 #define lws_pthread_mutex_unlock(_a)
378 #endif
379 
380 
381 #define CONTEXT_PORT_NO_LISTEN -1
382 #define CONTEXT_PORT_NO_LISTEN_SERVER -2
383 
384 #include <libwebsockets/lws-logs.h>
385 
386 
387 #include <stddef.h>
388 
389 #ifndef lws_container_of
390 #define lws_container_of(P,T,M) ((T *)((char *)(P) - offsetof(T, M)))
391 #endif
392 #define LWS_ALIGN_TO(x, bou) x += ((bou) - ((x) % (bou))) % (bou)
393 
394 struct lws;
395 
396 /* api change list for user code to test against */
397 
398 #define LWS_FEATURE_SERVE_HTTP_FILE_HAS_OTHER_HEADERS_ARG
399 
400 /* the struct lws_protocols has the id field present */
401 #define LWS_FEATURE_PROTOCOLS_HAS_ID_FIELD
402 
403 /* you can call lws_get_peer_write_allowance */
404 #define LWS_FEATURE_PROTOCOLS_HAS_PEER_WRITE_ALLOWANCE
405 
406 /* extra parameter introduced in 917f43ab821 */
407 #define LWS_FEATURE_SERVE_HTTP_FILE_HAS_OTHER_HEADERS_LEN
408 
409 /* File operations stuff exists */
410 #define LWS_FEATURE_FOPS
411 
412 /* Mounts have extra no_cache member */
413 #define LWS_FEATURE_MOUNT_NO_CACHE
414 
415 
416 #if defined(_WIN32)
417 #if !defined(LWS_WIN32_HANDLE_TYPES)
418 typedef SOCKET lws_sockfd_type;
419 #if defined(__MINGW32__)
420 typedef int lws_filefd_type;
421 #else
422 typedef HANDLE lws_filefd_type;
423 #endif
424 #endif
425 
426 
427 #define lws_pollfd pollfd
428 #define LWS_POLLHUP (POLLHUP)
429 #define LWS_POLLIN (POLLRDNORM | POLLRDBAND)
430 #define LWS_POLLOUT (POLLWRNORM)
431 
432 #else
433 
434 
435 #if defined(LWS_PLAT_FREERTOS)
437 #else
438 typedef int lws_sockfd_type;
439 typedef int lws_filefd_type;
440 #endif
441 
442 #if defined(LWS_PLAT_OPTEE)
443 #include <time.h>
444 struct timeval {
445  time_t tv_sec;
446  unsigned int tv_usec;
447 };
448 #if defined(LWS_WITH_NETWORK)
449 // #include <poll.h>
450 #define lws_pollfd pollfd
451 
452 struct timezone;
453 
454 int gettimeofday(struct timeval *tv, struct timezone *tz);
455 
456  /* Internet address. */
457  struct in_addr {
458  uint32_t s_addr; /* address in network byte order */
459  };
460 
461 typedef unsigned short sa_family_t;
462 typedef unsigned short in_port_t;
463 typedef uint32_t socklen_t;
464 
465 #include <libwebsockets/lws-optee.h>
466 
467 #if !defined(TEE_SE_READER_NAME_MAX)
468  struct addrinfo {
469  int ai_flags;
470  int ai_family;
471  int ai_socktype;
472  int ai_protocol;
473  socklen_t ai_addrlen;
474  struct sockaddr *ai_addr;
475  char *ai_canonname;
476  struct addrinfo *ai_next;
477  };
478 #endif
479 
480 ssize_t recv(int sockfd, void *buf, size_t len, int flags);
481 ssize_t send(int sockfd, const void *buf, size_t len, int flags);
482 ssize_t read(int fd, void *buf, size_t count);
483 int getsockopt(int sockfd, int level, int optname,
484  void *optval, socklen_t *optlen);
485  int setsockopt(int sockfd, int level, int optname,
486  const void *optval, socklen_t optlen);
487 int connect(int sockfd, const struct sockaddr *addr,
488  socklen_t addrlen);
489 
490 extern int errno;
491 
492 uint16_t ntohs(uint16_t netshort);
493 uint16_t htons(uint16_t hostshort);
494 
495 int bind(int sockfd, const struct sockaddr *addr,
496  socklen_t addrlen);
497 
498 
499 #define MSG_NOSIGNAL 0x4000
500 #define EAGAIN 11
501 #define EINTR 4
502 #define EWOULDBLOCK EAGAIN
503 #define EADDRINUSE 98
504 #define INADDR_ANY 0
505 #define AF_INET 2
506 #define SHUT_WR 1
507 #define AF_UNSPEC 0
508 #define PF_UNSPEC 0
509 #define SOCK_STREAM 1
510 #define SOCK_DGRAM 2
511 # define AI_PASSIVE 0x0001
512 #define IPPROTO_UDP 17
513 #define SOL_SOCKET 1
514 #define SO_SNDBUF 7
515 #define EISCONN 106
516 #define EALREADY 114
517 #define EINPROGRESS 115
518 int shutdown(int sockfd, int how);
519 int close(int fd);
520 int atoi(const char *nptr);
521 long long atoll(const char *nptr);
522 
523 int socket(int domain, int type, int protocol);
524  int getaddrinfo(const char *node, const char *service,
525  const struct addrinfo *hints,
526  struct addrinfo **res);
527 
528  void freeaddrinfo(struct addrinfo *res);
529 
530 #if !defined(TEE_SE_READER_NAME_MAX)
531 struct lws_pollfd
532 {
533  int fd; /* File descriptor to poll. */
534  short int events; /* Types of events poller cares about. */
535  short int revents; /* Types of events that actually occurred. */
536 };
537 #endif
538 
539 int poll(struct pollfd *fds, int nfds, int timeout);
540 
541 #define LWS_POLLHUP (0x18)
542 #define LWS_POLLIN (1)
543 #define LWS_POLLOUT (4)
544 #else
545 struct lws_pollfd;
546 struct sockaddr_in;
547 #endif
548 #else
549 #define lws_pollfd pollfd
550 #define LWS_POLLHUP (POLLHUP | POLLERR)
551 #define LWS_POLLIN (POLLIN)
552 #define LWS_POLLOUT (POLLOUT)
553 #endif
554 #endif
555 
556 
557 #if (defined(WIN32) || defined(_WIN32)) && !defined(__MINGW32__)
558 /* ... */
559 #define ssize_t SSIZE_T
560 #endif
561 
562 #if defined(WIN32) && defined(LWS_HAVE__STAT32I64)
563 #include <sys/types.h>
564 #include <sys/stat.h>
565 #endif
566 
567 #if defined(LWS_HAVE_STDINT_H)
568 #include <stdint.h>
569 #else
570 #if defined(WIN32) || defined(_WIN32)
571 /* !!! >:-[ */
572 typedef __int64 int64_t;
573 typedef unsigned __int64 uint64_t;
574 typedef __int32 int32_t;
575 typedef unsigned __int32 uint32_t;
576 typedef __int16 int16_t;
577 typedef unsigned __int16 uint16_t;
578 typedef unsigned __int8 uint8_t;
579 #else
580 typedef unsigned int uint32_t;
581 typedef unsigned short uint16_t;
582 typedef unsigned char uint8_t;
583 #endif
584 #endif
585 
586 typedef int64_t lws_usec_t;
587 typedef unsigned long long lws_filepos_t;
588 typedef long long lws_fileofs_t;
590 
591 #define lws_concat_temp(_t, _l) (_t + sizeof(_t) - _l)
592 #define lws_concat_used(_t, _l) (sizeof(_t) - _l)
593 
596 struct lws_pollargs {
598  int events;
600 };
601 
602 #if !defined(LWS_SIZEOFPTR)
603 #define LWS_SIZEOFPTR ((int)sizeof (void *))
604 #endif
605 
606 #if defined(__x86_64__)
607 #define _LWS_PAD_SIZE 16 /* Intel recommended for best performance */
608 #else
609 #define _LWS_PAD_SIZE LWS_SIZEOFPTR /* Size of a pointer on the target arch */
610 #endif
611 #define _LWS_PAD(n) (((n) % _LWS_PAD_SIZE) ? \
612  ((n) + (_LWS_PAD_SIZE - ((n) % _LWS_PAD_SIZE))) : (n))
613 /* last 2 is for lws-meta */
614 #define LWS_PRE _LWS_PAD(4 + 10 + 2)
615 /* used prior to 1.7 and retained for backward compatibility */
616 #define LWS_SEND_BUFFER_PRE_PADDING LWS_PRE
617 #define LWS_SEND_BUFFER_POST_PADDING 0
618 
619 
620 
621 struct lws_extension; /* needed even with ws exts disabled for create context */
622 struct lws_token_limits;
623 struct lws_protocols;
624 struct lws_context;
625 struct lws_tokens;
626 struct lws_vhost;
627 struct lws;
628 
629 /* Generic stateful operation return codes */
630 
631 typedef enum {
633  LWS_SRET_WANT_INPUT = (1 << 16),
634  LWS_SRET_WANT_OUTPUT = (1 << 17),
635  LWS_SRET_FATAL = (1 << 18),
638  LWS_SRET_AWAIT_RETRY = (1 << 21),
639  LWS_SRET_YIELD = (1 << 22), /* return to the event loop and continue */
641 
642 typedef struct lws_fixed3232 {
643  int32_t whole; /* signed 32-bit int */
644  int32_t frac; /* signed frac proportion from 0 to (100M - 1) */
646 
647 #define LWS_FX_FRACTION_MSD 100000000
648 #define lws_neg(a) (a->whole < 0 || a->frac < 0)
649 #define lws_fx_set(a, x, y) { a.whole = x; a.frac = x < 0 ? -y : y; }
650 #define lws_fix64(a) (((int64_t)a->whole << 32) + \
651  (((1ll << 32) * (a->frac < 0 ? -a->frac : a->frac)) / LWS_FX_FRACTION_MSD))
652 #define lws_fix64_abs(a) \
653  ((((int64_t)(a->whole < 0 ? (-a->whole) : a->whole) << 32) + \
654  (((1ll << 32) * (a->frac < 0 ? -a->frac : a->frac)) / LWS_FX_FRACTION_MSD)))
655 
656 #define lws_fix3232(a, a64) { a->whole = (int32_t)(a64 >> 32); \
657  a->frac = (int32_t)((100000000 * (a64 & 0xffffffff)) >> 32); }
658 
660 lws_fx_add(lws_fx_t *r, const lws_fx_t *a, const lws_fx_t *b);
661 
663 lws_fx_sub(lws_fx_t *r, const lws_fx_t *a, const lws_fx_t *b);
664 
666 lws_fx_mul(lws_fx_t *r, const lws_fx_t *a, const lws_fx_t *b);
667 
669 lws_fx_div(lws_fx_t *r, const lws_fx_t *a, const lws_fx_t *b);
670 
673 
675 lws_fx_comp(const lws_fx_t *a, const lws_fx_t *b);
676 
679 
682 
683 LWS_VISIBLE LWS_EXTERN const char *
684 lws_fx_string(const lws_fx_t *a, char *buf, size_t size);
685 
686 #include <libwebsockets/lws-dll2.h>
687 #include <libwebsockets/lws-map.h>
688 
693 #if defined(LWS_WITH_SYS_SMD)
694 #include <libwebsockets/lws-smd.h>
695 #endif
696 #include <libwebsockets/lws-state.h>
697 #include <libwebsockets/lws-retry.h>
698 #if defined(LWS_WITH_NETWORK)
699 #include <libwebsockets/lws-adopt.h>
702 #endif
703 
704 #include <libwebsockets/lws-ota.h>
707 
708 #if defined(LWS_WITH_NETWORK)
712 #endif
713 
715 
717 
718 #if defined(LWS_WITH_NETWORK)
719 #if defined(LWS_WITH_CONMON)
721 #endif
722 
723 #if defined(LWS_ROLE_MQTT)
724 #include <libwebsockets/lws-mqtt.h>
725 #endif
727 #include <libwebsockets/lws-http.h>
728 #include <libwebsockets/lws-spa.h>
729 #endif
731 #include <libwebsockets/lws-misc.h>
732 #include <libwebsockets/lws-dsh.h>
733 #if defined(LWS_WITH_NETWORK)
735 #include <libwebsockets/lws-write.h>
737 #endif
738 #include <libwebsockets/lws-ring.h>
740 #include <libwebsockets/lws-x509.h>
741 #if defined(LWS_WITH_NETWORK)
742 #include <libwebsockets/lws-cgi.h>
743 #endif
744 #if defined(LWS_WITH_FILE_OPS)
745 #include <libwebsockets/lws-vfs.h>
746 #endif
748 
749 #include <libwebsockets/lws-lejp.h>
750 #include <libwebsockets/lws-lecp.h>
751 #include <libwebsockets/lws-cose.h>
755 #include <libwebsockets/lws-lwsac.h>
756 #include <libwebsockets/lws-fts.h>
763 #include <libwebsockets/lws-jrpc.h>
764 
766 
767 #if defined(LWS_WITH_TLS)
768 
770 
771 #if defined(LWS_WITH_MBEDTLS)
772 #include <mbedtls/md5.h>
773 #include <mbedtls/sha1.h>
774 #include <mbedtls/sha256.h>
775 #include <mbedtls/sha512.h>
776 #endif
777 
781 #include <libwebsockets/lws-genec.h>
782 
783 #include <libwebsockets/lws-jwk.h>
784 #include <libwebsockets/lws-jose.h>
785 #include <libwebsockets/lws-jws.h>
786 #include <libwebsockets/lws-jwe.h>
787 
788 #endif
789 
790 #if defined(LWS_WITH_NETWORK)
792 #endif
793 #include <libwebsockets/lws-i2c.h>
794 #include <libwebsockets/lws-spi.h>
795 #if defined(LWS_ESP_PLATFORM)
797 #endif
798 #include <libwebsockets/lws-gpio.h>
802 #include <libwebsockets/lws-led.h>
803 #include <libwebsockets/lws-pwm.h>
804 #include <libwebsockets/lws-upng.h>
805 #include <libwebsockets/lws-jpeg.h>
807 #include <libwebsockets/lws-dlo.h>
814 #if defined(LWS_WITH_NETWORK)
816 #endif
817 
818 #include <libwebsockets/lws-html.h>
819 
820 #ifdef __cplusplus
821 }
822 #endif
823 
824 #endif
LWS_VISIBLE LWS_EXTERN const lws_fx_t * lws_fx_div(lws_fx_t *r, const lws_fx_t *a, const lws_fx_t *b)
LWS_VISIBLE LWS_EXTERN const lws_fx_t * lws_fx_sub(lws_fx_t *r, const lws_fx_t *a, const lws_fx_t *b)
#define lws_pthread_mutex_lock(_a)
uint32_t lws_fop_flags_t
unsigned short uint16_t
#define lws_pollfd
unsigned int uint32_t
#define lws_pthread_mutex_init(_a)
long long lws_fileofs_t
#define LWS_INLINE
#define lws_pthread_mutex_destroy(_a)
LWS_VISIBLE LWS_EXTERN int lws_fx_rounddown(const lws_fx_t *a)
#define LWS_EXTERN
LWS_VISIBLE LWS_EXTERN const lws_fx_t * lws_fx_mul(lws_fx_t *r, const lws_fx_t *a, const lws_fx_t *b)
int64_t lws_usec_t
unsigned char uint8_t
struct lws_fixed3232 lws_fx_t
lws_stateful_ret_t
@ LWS_SRET_WANT_OUTPUT
@ LWS_SRET_NO_FURTHER_OUT
@ LWS_SRET_FATAL
@ LWS_SRET_OK
@ LWS_SRET_NO_FURTHER_IN
@ LWS_SRET_YIELD
@ LWS_SRET_WANT_INPUT
@ LWS_SRET_AWAIT_RETRY
struct lws_context * lws_ctx_t
Definition: libwebsockets.h:69
LWS_VISIBLE LWS_EXTERN const lws_fx_t * lws_fx_add(lws_fx_t *r, const lws_fx_t *a, const lws_fx_t *b)
LWS_VISIBLE LWS_EXTERN const lws_fx_t * lws_fx_sqrt(lws_fx_t *r, const lws_fx_t *a)
int lws_sockfd_type
LWS_VISIBLE LWS_EXTERN const char * lws_fx_string(const lws_fx_t *a, char *buf, size_t size)
#define lws_pthread_mutex_unlock(_a)
#define LWS_VISIBLE
LWS_VISIBLE LWS_EXTERN int lws_fx_roundup(const lws_fx_t *a)
unsigned long long lws_intptr_t
Definition: libwebsockets.h:95
unsigned long long lws_filepos_t
lws_sockfd_type fd
LWS_VISIBLE LWS_EXTERN int lws_fx_comp(const lws_fx_t *a, const lws_fx_t *b)
int lws_filefd_type