/*
 * mzsocket: BSD/POSIX sockets library for mzscheme
 * Copyright (C) 2007 Dimitris Vyzovitis <vyzo@media.mit.edu>
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
 * USA
 */
#include "escheme.h"

#if (defined(__WIN32__) || defined(WIN32) || defined(_WIN32))
#define WINDOWS
#else
#define UNIX
#endif

#if (MZSCHEME_VERSION_MAJOR >= 369) && (MZSCHEME_VERSION_MINOR >= 8)
#define HAVE_TYPE_EQUALITY
#endif

#ifdef UNIX
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
#include <fcntl.h>
#include <signal.h>

typedef int fd_t;
typedef u_int16_t u16;
typedef u_int32_t u32;

#define ERRNO errno
#define INVALID -1

#ifndef UNIX_PATH_MAX
#define UNIX_PATH_MAX 108
#endif

#else
#include <winsock2.h>
#include <ws2tcpip.h>

#define SHUT_RD SD_RECEIVE
#define SHUT_WR SD_SEND
#define SHUT_RDWR SD_BOTH

typedef SOCKET fd_t;
typedef unsigned __int16 u16;
typedef unsigned __int32 u32;

#define ERRNO (WSAGetLastError())
#define INVALID INVALID_SOCKET

// errno translation (mostly cygwin)
#define EINTR WSAEINTR
#define EACCES WSAEACCES
#define EAFNOSUPPORT WSAEAFNOSUPPORT
#define EPFNOSUPPORT WSAEPFNOSUPPORT
#define EPROTONOSUPPORT WSAEPROTONOSUPPORT
#define ENOBUFS WSAENOBUFS
#define EFAULT WSAEFAULT
#define EADDRINUSE WSAEADDRINUSE
#define EINVAL WSAEINVAL
#define ENOTSOCK WSAENOTSOCK
#define EOPNOTSUPP WSAEOPNOTSUPP
#define EWOULDBLOCK WSAEWOULDBLOCK
#define ECONNABORTED WSAECONNABORTED
#define EMFILE WSAEMFILE
#define ETIMEDOUT WSAETIMEDOUT
#define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
#define EALREADY WSAEALREADY
#define ECONNREFUSED WSAECONNREFUSED
#define EISCONN WSAEISCONN
#define ENETUNREACH WSAENETUNREACH
#define ECONNRESET WSAECONNRESET
#define EDESTADDRREQ WSAEDESTADDRREQ
#define EMSGSIZE WSAEMSGSIZE
#define ENOTCONN WSAENOTCONN
#define EPROTOTYPE WSAENOTCONN
#define ENOPROTOOPT WSAENOPROTOOPT
#define EINPROGRESS WSAEINPROGRESS
#define EADDRNOTAVAIL WSAEADDRNOTAVAIL
#define ENETDOWN WSAENETDOWN
#define ENETRESET WSAENETRESET
#define ESHUTDOWN WSAESHUTDOWN
#define EHOSTDOWN WSAEHOSTDOWN
#define EHOSTUNREACH WSAEHOSTUNREACH

#define ENOMEM WSA_NOT_ENOUGH_MEMORY
#define EBADF WSAENOTSOCK
  
#define ENFILE -1
#define EPIPE -1

#endif

#ifdef IPPROTO_IPV6
# define HAVE_IPV6
#endif

#ifdef IPPROTO_RAW
# define HAVE_RAW
#endif