1 #ifndef _WINSOCK_DEPRECATED_NO_WARNINGS
2 #define _WINSOCK_DEPRECATED_NO_WARNINGS
4 #include "private-libwebsockets.h"
9 #ifndef DELTA_EPOCH_IN_MICROSECS
10 #define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
13 ULARGE_INTEGER datetime;
16 GetCurrentFT(&filetime);
18 GetSystemTimeAsFileTime(&filetime);
22 * As per Windows documentation for FILETIME, copy the resulting FILETIME structure to a
23 * ULARGE_INTEGER structure using memcpy (using memcpy instead of direct assignment can
24 * prevent alignment faults on 64-bit Windows).
26 memcpy(&datetime, &filetime, sizeof(datetime));
28 /* Windows file times are in 100s of nanoseconds. */
29 return (datetime.QuadPart - DELTA_EPOCH_IN_MICROSECS) / 10;
33 time_t time(time_t *t)
35 time_t ret = time_in_microseconds() / 1000000;
44 /* file descriptor hash management */
47 wsi_from_fd(const struct lws_context *context, lws_sockfd_type fd)
49 int h = LWS_FD_HASH(fd);
52 for (n = 0; n < context->fd_hashtable[h].length; n++)
53 if (context->fd_hashtable[h].wsi[n]->desc.sockfd == fd)
54 return context->fd_hashtable[h].wsi[n];
60 insert_wsi(struct lws_context *context, struct lws *wsi)
62 int h = LWS_FD_HASH(wsi->desc.sockfd);
64 if (context->fd_hashtable[h].length == (getdtablesize() - 1)) {
65 lwsl_err("hash table overflow\n");
69 context->fd_hashtable[h].wsi[context->fd_hashtable[h].length++] = wsi;
75 delete_from_fd(struct lws_context *context, lws_sockfd_type fd)
77 int h = LWS_FD_HASH(fd);
80 for (n = 0; n < context->fd_hashtable[h].length; n++)
81 if (context->fd_hashtable[h].wsi[n]->desc.sockfd == fd) {
82 while (n < context->fd_hashtable[h].length) {
83 context->fd_hashtable[h].wsi[n] =
84 context->fd_hashtable[h].wsi[n + 1];
87 context->fd_hashtable[h].length--;
92 lwsl_err("Failed to find fd %d requested for "
93 "delete in hashtable\n", fd);
97 LWS_VISIBLE int lws_get_random(struct lws_context *context,
101 char *p = (char *)buf;
103 for (n = 0; n < len; n++)
104 p[n] = (unsigned char)rand();
109 LWS_VISIBLE int lws_send_pipe_choked(struct lws *wsi)
111 /* treat the fact we got a truncated send pending as if we're choked */
115 return (int)wsi->sock_send_blocking;
118 LWS_VISIBLE int lws_poll_listen_fd(struct lws_pollfd *fd)
121 struct timeval tv = { 0, 0 };
123 assert((fd->events & LWS_POLLIN) == LWS_POLLIN);
126 FD_SET(fd->fd, &readfds);
128 return select(fd->fd + 1, &readfds, NULL, NULL, &tv);
132 lws_cancel_service(struct lws_context *context)
134 struct lws_context_per_thread *pt = &context->pt[0];
135 int n = context->count_threads;
138 WSASetEvent(pt->events[0]);
144 lws_cancel_service_pt(struct lws *wsi)
146 struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
147 WSASetEvent(pt->events[0]);
150 LWS_VISIBLE void lwsl_emit_syslog(int level, const char *line)
152 lwsl_emit_stderr(level, line);
155 LWS_VISIBLE LWS_EXTERN int
156 _lws_plat_service_tsi(struct lws_context *context, int timeout_ms, int tsi)
158 struct lws_context_per_thread *pt;
159 WSANETWORKEVENTS networkevents;
160 struct lws_pollfd *pfd;
166 /* stay dead once we are dead */
170 pt = &context->pt[tsi];
172 if (!context->service_tid_detected) {
175 memset(&_lws, 0, sizeof(_lws));
176 _lws.context = context;
178 context->service_tid_detected = context->vhost_list->
179 protocols[0].callback(&_lws, LWS_CALLBACK_GET_THREAD_ID,
182 context->service_tid = context->service_tid_detected;
186 if (lws_service_flag_pending(context, tsi)) {
187 /* any socket with events to service? */
188 for (n = 0; n < (int)pt->fds_count; n++) {
189 if (!pt->fds[n].revents)
192 m = lws_service_fd_tsi(context, &pt->fds[n], tsi);
195 /* if something closed, retry this slot */
203 for (i = 0; i < pt->fds_count; ++i) {
206 if (!(pfd->events & LWS_POLLOUT))
209 wsi = wsi_from_fd(context, pfd->fd);
212 if (!wsi || wsi->sock_send_blocking)
214 pfd->revents = LWS_POLLOUT;
215 n = lws_service_fd(context, pfd);
218 /* if something closed, retry this slot */
224 * is there anybody with pending stuff that needs service forcing?
226 if (!lws_service_adjust_timeout(context, 1, tsi)) {
227 /* -1 timeout means just do forced service */
228 _lws_plat_service_tsi(context, -1, pt->tid);
229 /* still somebody left who wants forced service? */
230 if (!lws_service_adjust_timeout(context, 1, pt->tid))
231 /* yes... come back again quickly */
235 ev = WSAWaitForMultipleEvents( 1, pt->events , FALSE, timeout_ms, FALSE);
236 if (ev == WSA_WAIT_EVENT_0) {
239 WSAResetEvent(pt->events[0]);
241 for (eIdx = 0; eIdx < pt->fds_count; ++eIdx) {
242 if (WSAEnumNetworkEvents(pt->fds[eIdx].fd, 0, &networkevents) == SOCKET_ERROR) {
243 lwsl_err("WSAEnumNetworkEvents() failed with error %d\n", LWS_ERRNO);
247 pfd = &pt->fds[eIdx];
248 pfd->revents = (short)networkevents.lNetworkEvents;
250 if ((networkevents.lNetworkEvents & FD_CONNECT) &&
251 networkevents.iErrorCode[FD_CONNECT_BIT] &&
252 networkevents.iErrorCode[FD_CONNECT_BIT] != LWS_EALREADY &&
253 networkevents.iErrorCode[FD_CONNECT_BIT] != LWS_EINPROGRESS &&
254 networkevents.iErrorCode[FD_CONNECT_BIT] != LWS_EWOULDBLOCK &&
255 networkevents.iErrorCode[FD_CONNECT_BIT] != WSAEINVAL) {
256 lwsl_debug("Unable to connect errno=%d\n",
257 networkevents.iErrorCode[FD_CONNECT_BIT]);
258 pfd->revents = LWS_POLLHUP;
260 pfd->revents = (short)networkevents.lNetworkEvents;
262 if (pfd->revents & LWS_POLLOUT) {
263 wsi = wsi_from_fd(context, pfd->fd);
265 wsi->sock_send_blocking = 0;
267 /* if something closed, retry this slot */
268 if (pfd->revents & LWS_POLLHUP)
271 if( pfd->revents != 0 ) {
272 lws_service_fd_tsi(context, pfd, tsi);
278 context->service_tid = 0;
280 if (ev == WSA_WAIT_TIMEOUT) {
281 lws_service_fd(context, NULL);
287 lws_plat_service(struct lws_context *context, int timeout_ms)
289 return _lws_plat_service_tsi(context, timeout_ms, 0);
293 lws_plat_set_socket_options(struct lws_vhost *vhost, lws_sockfd_type fd)
296 int optlen = sizeof(optval);
299 struct tcp_keepalive alive;
302 struct protoent *tcp_proto;
305 if (vhost->ka_time) {
306 /* enable keepalive on this socket */
308 if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE,
309 (const char *)&optval, optlen) < 0)
313 alive.keepalivetime = vhost->ka_time;
314 alive.keepaliveinterval = vhost->ka_interval;
316 if (WSAIoctl(fd, SIO_KEEPALIVE_VALS, &alive, sizeof(alive),
317 NULL, 0, &dwBytesRet, NULL, NULL))
324 tcp_proto = getprotobyname("TCP");
326 lwsl_err("getprotobyname() failed with error %d\n", LWS_ERRNO);
329 protonbr = tcp_proto->p_proto;
334 setsockopt(fd, protonbr, TCP_NODELAY, (const char *)&optval, optlen);
336 /* We are nonblocking... */
337 ioctlsocket(fd, FIONBIO, &optl);
343 lws_plat_drop_app_privileges(struct lws_context_creation_info *info)
348 lws_plat_context_early_init(void)
350 WORD wVersionRequested;
354 /* Use the MAKEWORD(lowbyte, highbyte) macro from Windef.h */
355 wVersionRequested = MAKEWORD(2, 2);
357 err = WSAStartup(wVersionRequested, &wsaData);
361 * Tell the user that we could not find a usable
364 lwsl_err("WSAStartup failed with error: %d\n", err);
370 lws_plat_context_early_destroy(struct lws_context *context)
372 struct lws_context_per_thread *pt = &context->pt[0];
373 int n = context->count_threads;
377 WSACloseEvent(pt->events[0]);
378 lws_free(pt->events);
385 lws_plat_context_late_destroy(struct lws_context *context)
389 for (n = 0; n < FD_HASHTABLE_MODULUS; n++) {
390 if (context->fd_hashtable[n].wsi)
391 lws_free(context->fd_hashtable[n].wsi);
397 LWS_VISIBLE LWS_EXTERN int
398 lws_interface_to_sa(int ipv6,
399 const char *ifname, struct sockaddr_in *addr, size_t addrlen)
402 struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)addr;
405 if (lws_plat_inet_pton(AF_INET6, ifname, &addr6->sin6_addr) == 1) {
411 long long address = inet_addr(ifname);
413 if (address == INADDR_NONE) {
414 struct hostent *entry = gethostbyname(ifname);
416 address = ((struct in_addr *)entry->h_addr_list[0])->s_addr;
419 if (address == INADDR_NONE)
422 addr->sin_addr.s_addr = (unsigned long)address;
428 lws_plat_insert_socket_into_fds(struct lws_context *context, struct lws *wsi)
430 struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
432 pt->fds[pt->fds_count++].revents = 0;
433 pt->events[pt->fds_count] = pt->events[0];
434 WSAEventSelect(wsi->desc.sockfd, pt->events[0],
435 LWS_POLLIN | LWS_POLLHUP | FD_CONNECT);
439 lws_plat_delete_socket_from_fds(struct lws_context *context,
440 struct lws *wsi, int m)
442 struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
444 pt->events[m + 1] = pt->events[pt->fds_count--];
448 lws_plat_service_periodic(struct lws_context *context)
453 lws_plat_check_connection_error(struct lws *wsi)
456 int optLen = sizeof(int);
458 if (getsockopt(wsi->desc.sockfd, SOL_SOCKET, SO_ERROR,
459 (char*)&optVal, &optLen) != SOCKET_ERROR && optVal &&
460 optVal != LWS_EALREADY && optVal != LWS_EINPROGRESS &&
461 optVal != LWS_EWOULDBLOCK && optVal != WSAEINVAL) {
462 lwsl_debug("Connect failed SO_ERROR=%d\n", optVal);
470 lws_plat_change_pollfd(struct lws_context *context,
471 struct lws *wsi, struct lws_pollfd *pfd)
473 struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
474 long networkevents = LWS_POLLHUP | FD_CONNECT;
476 if ((pfd->events & LWS_POLLIN))
477 networkevents |= LWS_POLLIN;
479 if ((pfd->events & LWS_POLLOUT))
480 networkevents |= LWS_POLLOUT;
482 if (WSAEventSelect(wsi->desc.sockfd,
484 networkevents) != SOCKET_ERROR)
487 lwsl_err("WSAEventSelect() failed with error %d\n", LWS_ERRNO);
492 LWS_VISIBLE const char *
493 lws_plat_inet_ntop(int af, const void *src, char *dst, int cnt)
496 DWORD bufferlen = cnt;
499 buffer = lws_malloc(bufferlen * 2);
501 lwsl_err("Out of memory\n");
506 struct sockaddr_in srcaddr;
507 bzero(&srcaddr, sizeof(srcaddr));
508 srcaddr.sin_family = AF_INET;
509 memcpy(&(srcaddr.sin_addr), src, sizeof(srcaddr.sin_addr));
511 if (!WSAAddressToStringW((struct sockaddr*)&srcaddr, sizeof(srcaddr), 0, buffer, &bufferlen))
514 } else if (af == AF_INET6) {
515 struct sockaddr_in6 srcaddr;
516 bzero(&srcaddr, sizeof(srcaddr));
517 srcaddr.sin6_family = AF_INET6;
518 memcpy(&(srcaddr.sin6_addr), src, sizeof(srcaddr.sin6_addr));
520 if (!WSAAddressToStringW((struct sockaddr*)&srcaddr, sizeof(srcaddr), 0, buffer, &bufferlen))
524 lwsl_err("Unsupported type\n");
527 int rv = WSAGetLastError();
528 lwsl_err("WSAAddressToString() : %d\n", rv);
530 if (WideCharToMultiByte(CP_ACP, 0, buffer, bufferlen, dst, cnt, 0, NULL) <= 0)
535 return ok ? dst : NULL;
539 lws_plat_inet_pton(int af, const char *src, void *dst)
542 DWORD bufferlen = strlen(src) + 1;
545 buffer = lws_malloc(bufferlen * 2);
547 lwsl_err("Out of memory\n");
551 if (MultiByteToWideChar(CP_ACP, 0, src, bufferlen, buffer, bufferlen) <= 0) {
552 lwsl_err("Failed to convert multi byte to wide char\n");
558 struct sockaddr_in dstaddr;
559 int dstaddrlen = sizeof(dstaddr);
560 bzero(&dstaddr, sizeof(dstaddr));
561 dstaddr.sin_family = AF_INET;
563 if (!WSAStringToAddressW(buffer, af, 0, (struct sockaddr *) &dstaddr, &dstaddrlen)) {
565 memcpy(dst, &dstaddr.sin_addr, sizeof(dstaddr.sin_addr));
568 } else if (af == AF_INET6) {
569 struct sockaddr_in6 dstaddr;
570 int dstaddrlen = sizeof(dstaddr);
571 bzero(&dstaddr, sizeof(dstaddr));
572 dstaddr.sin6_family = AF_INET6;
574 if (!WSAStringToAddressW(buffer, af, 0, (struct sockaddr *) &dstaddr, &dstaddrlen)) {
576 memcpy(dst, &dstaddr.sin6_addr, sizeof(dstaddr.sin6_addr));
580 lwsl_err("Unsupported type\n");
583 int rv = WSAGetLastError();
584 lwsl_err("WSAAddressToString() : %d\n", rv);
591 LWS_VISIBLE lws_fop_fd_t
592 _lws_plat_file_open(const struct lws_plat_file_ops *fops, const char *filename,
593 const char *vpath, lws_fop_flags_t *flags)
598 LARGE_INTEGER llFileSize = {0};
600 MultiByteToWideChar(CP_UTF8, 0, filename, -1, buf, ARRAY_SIZE(buf));
601 if (((*flags) & 7) == _O_RDONLY) {
602 ret = CreateFileW(buf, GENERIC_READ, FILE_SHARE_READ,
603 NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
605 ret = CreateFileW(buf, GENERIC_WRITE, 0, NULL,
606 CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
609 if (ret == LWS_INVALID_FILE)
612 fop_fd = malloc(sizeof(*fop_fd));
618 fop_fd->filesystem_priv = NULL; /* we don't use it */
619 fop_fd->flags = *flags;
620 fop_fd->len = GetFileSize(ret, NULL);
621 if(GetFileSizeEx(ret, &llFileSize))
622 fop_fd->len = llFileSize.QuadPart;
633 _lws_plat_file_close(lws_fop_fd_t *fop_fd)
635 HANDLE fd = (*fop_fd)->fd;
640 CloseHandle((HANDLE)fd);
645 LWS_VISIBLE lws_fileofs_t
646 _lws_plat_file_seek_cur(lws_fop_fd_t fop_fd, lws_fileofs_t offset)
651 return SetFilePointerEx((HANDLE)fop_fd->fd, l, NULL, FILE_CURRENT);
655 _lws_plat_file_read(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
656 uint8_t *buf, lws_filepos_t len)
660 if (!ReadFile((HANDLE)fop_fd->fd, buf, (DWORD)len, &_amount, NULL)) {
666 fop_fd->pos += _amount;
667 *amount = (unsigned long)_amount;
673 _lws_plat_file_write(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
674 uint8_t* buf, lws_filepos_t len)
678 if (!WriteFile((HANDLE)fop_fd->fd, buf, (DWORD)len, &_amount, NULL)) {
684 fop_fd->pos += _amount;
685 *amount = (unsigned long)_amount;
691 lws_plat_init(struct lws_context *context,
692 struct lws_context_creation_info *info)
694 struct lws_context_per_thread *pt = &context->pt[0];
695 int i, n = context->count_threads;
697 for (i = 0; i < FD_HASHTABLE_MODULUS; i++) {
698 context->fd_hashtable[i].wsi =
699 lws_zalloc(sizeof(struct lws*) * context->max_fds);
701 if (!context->fd_hashtable[i].wsi)
706 pt->events = lws_malloc(sizeof(WSAEVENT) *
707 (context->fd_limit_per_thread + 1));
708 if (pt->events == NULL) {
709 lwsl_err("Unable to allocate events array for %d connections\n",
710 context->fd_limit_per_thread + 1);
715 pt->events[0] = WSACreateEvent();
720 context->fd_random = 0;
722 #ifdef LWS_WITH_PLUGINS
723 if (info->plugin_dirs)
724 lws_plat_plugins_init(context, info->plugin_dirs);
731 int kill(int pid, int sig)
733 lwsl_err("Sorry Windows doesn't support kill().");
739 lwsl_err("Sorry Windows doesn't support fork().");