mirror of
https://libwebsockets.org/repo/libwebsockets
synced 2024-11-22 00:57:52 +00:00
205 lines
5.2 KiB
C
205 lines
5.2 KiB
C
/*
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* libwebsockets - small server side websockets and web server implementation
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*
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* Copyright (C) 2010 - 2019 Andy Green <andy@warmcat.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Included from lib/private-lib-core.h if no explicit platform
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*/
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#include <fcntl.h>
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#include <strings.h>
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#include <unistd.h>
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#include <netinet/in.h>
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#include <netinet/tcp.h>
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#include <arpa/inet.h>
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#include <poll.h>
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#include <netdb.h>
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#ifndef __cplusplus
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#include <errno.h>
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#endif
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#include <netdb.h>
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#include <signal.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/mman.h>
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#include <sys/un.h>
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#if defined(LWS_HAVE_EVENTFD)
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#include <sys/eventfd.h>
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#endif
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#if defined(__APPLE__)
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#include <machine/endian.h>
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#endif
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#if defined(__FreeBSD__)
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#include <sys/endian.h>
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#endif
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#if defined(__linux__)
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#include <endian.h>
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#include <linux/if_packet.h>
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#include <net/if.h>
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#endif
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#if defined(__QNX__)
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#include <gulliver.h>
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#if defined(__LITTLEENDIAN__)
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#define BYTE_ORDER __LITTLEENDIAN__
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#define LITTLE_ENDIAN __LITTLEENDIAN__
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#define BIG_ENDIAN 4321 /* to show byte order (taken from gcc); for suppres warning that BIG_ENDIAN is not defined. */
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#endif
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#if defined(__BIGENDIAN__)
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#define BYTE_ORDER __BIGENDIAN__
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#define LITTLE_ENDIAN 1234 /* to show byte order (taken from gcc); for suppres warning that LITTLE_ENDIAN is not defined. */
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#define BIG_ENDIAN __BIGENDIAN__
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#endif
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#endif
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#if defined(LWS_HAVE_PTHREAD_H)
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#include <pthread.h>
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typedef pthread_mutex_t lws_mutex_t;
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#define lws_mutex_init(x) pthread_mutex_init(&(x), NULL)
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#define lws_mutex_destroy(x) pthread_mutex_destroy(&(x))
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#define lws_mutex_lock(x) pthread_mutex_lock(&(x))
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#define lws_mutex_unlock(x) pthread_mutex_unlock(&(x))
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#endif
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#if defined(__sun) && defined(__GNUC__)
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#include <arpa/nameser_compat.h>
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#if !defined (BYTE_ORDER)
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#define BYTE_ORDER __BYTE_ORDER__
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#endif
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#if !defined(LITTLE_ENDIAN)
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#define LITTLE_ENDIAN __ORDER_LITTLE_ENDIAN__
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#endif
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#if !defined(BIG_ENDIAN)
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#define BIG_ENDIAN __ORDER_BIG_ENDIAN__
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#endif
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#endif /* sun + GNUC */
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#if !defined(BYTE_ORDER)
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#define BYTE_ORDER __BYTE_ORDER
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#endif
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#if !defined(LITTLE_ENDIAN)
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#define LITTLE_ENDIAN __LITTLE_ENDIAN
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#endif
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#if !defined(BIG_ENDIAN)
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#define BIG_ENDIAN __BIG_ENDIAN
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#endif
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#if defined(LWS_BUILTIN_GETIFADDRS)
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#include "./misc/getifaddrs.h"
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#else
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#if defined(__HAIKU__)
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#define _BSD_SOURCE
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#endif
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#include <ifaddrs.h>
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#endif
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#if defined (__sun) || defined(__HAIKU__) || defined(__QNX__) || defined(__ANDROID__) || defined(__NuttX__)
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#include <syslog.h>
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#if defined(__ANDROID__)
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#include <sys/resource.h>
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#endif
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#else
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#include <sys/syslog.h>
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#endif
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#ifdef __QNX__
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# include "netinet/tcp_var.h"
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# define TCP_KEEPINTVL TCPCTL_KEEPINTVL
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# define TCP_KEEPIDLE TCPCTL_KEEPIDLE
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# define TCP_KEEPCNT TCPCTL_KEEPCNT
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#endif
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#define LWS_ERRNO errno
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#define LWS_EAGAIN EAGAIN
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#define LWS_EALREADY EALREADY
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#define LWS_EINPROGRESS EINPROGRESS
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#define LWS_EINTR EINTR
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#define LWS_EISCONN EISCONN
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#define LWS_ENOTCONN ENOTCONN
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#define LWS_EWOULDBLOCK EWOULDBLOCK
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#define LWS_EADDRINUSE EADDRINUSE
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#define lws_set_blocking_send(wsi)
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#define LWS_SOCK_INVALID (-1)
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struct lws_context;
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struct lws *
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wsi_from_fd(const struct lws_context *context, int fd);
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int
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insert_wsi(const struct lws_context *context, struct lws *wsi);
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struct lws_dhcpc_ifstate;
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int
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lws_plat_ifconfig(int fd, struct lws_dhcpc_ifstate *is);
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void
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delete_from_fd(const struct lws_context *context, int fd);
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#ifndef LWS_NO_FORK
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#ifdef LWS_HAVE_SYS_PRCTL_H
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#include <sys/prctl.h>
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#endif
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#endif
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#define compatible_close(x) close(x)
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#define compatible_file_close(fd) close(fd)
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#define lws_plat_socket_offset() (0)
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/*
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* Mac OSX as well as iOS do not define the MSG_NOSIGNAL flag,
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* but happily have something equivalent in the SO_NOSIGPIPE flag.
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*/
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#ifdef __APPLE__
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/* iOS SDK 12+ seems to define it, undef it for compatibility both ways */
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#undef MSG_NOSIGNAL
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#define MSG_NOSIGNAL SO_NOSIGPIPE
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#endif
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/*
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* Solaris 11.X only supports POSIX 2001, MSG_NOSIGNAL appears in
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* POSIX 2008.
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*/
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#if defined(__sun) && !defined(MSG_NOSIGNAL)
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#define MSG_NOSIGNAL 0
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#endif
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int
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lws_plat_rawudp_broadcast(uint8_t *p, const uint8_t *canned, size_t canned_len,
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size_t n, int fd, const char *iface);
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int
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lws_plat_if_up(const char *ifname, int fd, int up);
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