quakespasm/Quake/net_sys.h

190 lines
4.7 KiB
C

/*
net_sys.h
common network system header
Copyright (C) 2007-2010 O.Sezer <sezero@users.sourceforge.net>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
51 Franklin St, Fifth Floor,
Boston, MA 02110-1301 USA
*/
#if defined(_USE_SDLNET)
/* can not use the IP banning mechanism in net_dgrm.c with
limited SDL_net functionality. */
#undef BAN_TEST
#undef HAVE_SA_LEN
#define sys_socket_t int
#define INVALID_SOCKET (-1)
#define SOCKET_ERROR (-1)
#ifndef MAXHOSTNAMELEN
#define MAXHOSTNAMELEN 256
#endif
#ifndef AF_INET
#define AF_INET 2 /* internet */
#endif
#ifndef INADDR_LOOPBACK
#define INADDR_LOOPBACK 0x7f000001 /* 127.0.0.1 */
#endif
#ifndef __NET_SYS_H__
#define __NET_SYS_H__ /* the rest below are not needed. */
#endif
#endif /* _USE_SDLNET */
#ifndef __NET_SYS_H__
#define __NET_SYS_H__
#include <sys/types.h>
#include <errno.h>
#include <stddef.h>
#include <limits.h>
#if defined(__FreeBSD__) || defined(__DragonFly__) || \
defined(__OpenBSD__) || defined(__NetBSD__) || \
defined(__MACOSX__)
/* struct sockaddr has unsigned char sa_len as the first member in BSD
* variants and the family member is also an unsigned char instead of an
* unsigned short. This should matter only when PLATFORM_UNIX is defined,
* however, checking for the offset of sa_family in every platform that
* provide a struct sockaddr doesn't hurt either (see down below for the
* compile time asserts.) */
#define HAVE_SA_LEN 1
#define SA_FAM_OFFSET 1
#else
#undef HAVE_SA_LEN
#define SA_FAM_OFFSET 0
#endif /* BSD, sockaddr */
/* unix includes and compatibility macros */
#if defined(PLATFORM_UNIX) || defined(PLATFORM_AMIGA)
#include <sys/param.h>
#include <sys/ioctl.h>
#include <unistd.h>
#if defined(__sun) || defined(sun)
#include <sys/filio.h>
#endif /* __sunos__ */
#if defined(PLATFORM_AMIGA)
#include <proto/socket.h>
#endif
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
typedef int sys_socket_t;
#define INVALID_SOCKET (-1)
#define SOCKET_ERROR (-1)
#if defined(PLATFORM_AMIGA)
typedef int socklen_t;
#define SOCKETERRNO Errno()
#define ioctlsocket IoctlSocket
#define closesocket CloseSocket
#else
#define SOCKETERRNO errno
#define ioctlsocket ioctl
#define closesocket close
#endif
#define NET_EWOULDBLOCK EWOULDBLOCK
#define NET_ECONNREFUSED ECONNREFUSED
#define socketerror(x) strerror((x))
/* Verify that we defined HAVE_SA_LEN correctly: */
COMPILE_TIME_ASSERT(sockaddr, offsetof(struct sockaddr, sa_family) == SA_FAM_OFFSET);
#endif /* end of unix stuff */
/* windows includes and compatibility macros */
#if defined(PLATFORM_WINDOWS)
/* NOTE: winsock[2].h already includes windows.h */
#if !defined(_USE_WINSOCK2)
#include <winsock.h>
#else
#include <winsock2.h>
#include <ws2tcpip.h>
#endif
/* there is no in_addr_t on windows: define it as
the type of the S_addr of in_addr structure */
typedef u_long in_addr_t; /* uint32_t */
/* on windows, socklen_t is to be a winsock2 thing */
#if !defined(IP_MSFILTER_SIZE)
typedef int socklen_t;
#endif /* socklen_t type */
typedef SOCKET sys_socket_t;
#define SOCKETERRNO WSAGetLastError()
#define NET_EWOULDBLOCK WSAEWOULDBLOCK
#define NET_ECONNREFUSED WSAECONNREFUSED
/* must #include "wsaerror.h" for this : */
#define socketerror(x) __WSAE_StrError((x))
/* Verify that we defined HAVE_SA_LEN correctly: */
COMPILE_TIME_ASSERT(sockaddr, offsetof(struct sockaddr, sa_family) == SA_FAM_OFFSET);
#endif /* end of windows stuff */
/* dos includes and compatibility macros */
#if defined(PLATFORM_DOS)
/* our local headers : */
#include "dos/dos_inet.h"
#include "dos/dos_sock.h"
#endif /* end of dos stuff. */
/* macros which may still be missing */
#if !defined(INADDR_NONE)
#define INADDR_NONE ((in_addr_t) 0xffffffff)
#endif /* INADDR_NONE */
#if !defined(INADDR_LOOPBACK)
#define INADDR_LOOPBACK ((in_addr_t) 0x7f000001) /* 127.0.0.1 */
#endif /* INADDR_LOOPBACK */
#if !defined(MAXHOSTNAMELEN)
/* SUSv2 guarantees that `Host names are limited to 255 bytes'.
POSIX 1003.1-2001 guarantees that `Host names (not including
the terminating NUL) are limited to HOST_NAME_MAX bytes'. */
#define MAXHOSTNAMELEN 256
#endif /* MAXHOSTNAMELEN */
#endif /* __NET_SYS_H__ */