mirror of
https://github.com/warmcat/libwebsockets.git
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cdd8ad702c
The retry stuff for bind failures is actually aimed at the scenarios the interface either doesn't exist yet, or is not configured enough (having an IP) to be bindable yet. This patch treats EADDRINUSE as fatal at vhost init.
169 lines
4.1 KiB
C
169 lines
4.1 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 - 2018 Andy Green <andy@warmcat.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation:
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* version 2.1 of the License.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*
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* Included from lib/core/private.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(__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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#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(__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__)
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#include <syslog.h>
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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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#define wsi_from_fd(A,B) A->lws_lookup[B - lws_plat_socket_offset()]
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#define insert_wsi(A,B) assert(A->lws_lookup[B->desc.sockfd - \
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lws_plat_socket_offset()] == 0); \
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A->lws_lookup[B->desc.sockfd - \
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lws_plat_socket_offset()] = B
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#define delete_from_fd(A,B) A->lws_lookup[B - lws_plat_socket_offset()] = 0
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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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#if defined (__ANDROID__)
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#include <syslog.h>
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#include <sys/resource.h>
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#endif
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#define compatible_close(x) close(x)
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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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#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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#ifdef __sun
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#define MSG_NOSIGNAL 0
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#endif
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