/**
 **	File ......... socket_include.h
 **	Published ....  2005-04-12
 **	Author ....... grymse@alhem.net
 **/
/*
Copyright (C) 2004,2005  Anders Hedstrom

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 the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
#ifndef _SOCKET_INCLUDE_H
#define _SOCKET_INCLUDE_H

#if (defined(__unix__) || defined(unix)) && !defined(USG)
#include <sys/param.h>
#endif

#if COMPILER == COMPILER_MICROSOFT
#  pragma warning( disable : 4996 )    // disable warning for "too old" functions (VC80)
#endif

#ifndef _WIN32
// ----------------------------------------
// common unix includes / defines
#include <unistd.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#define Errno errno
#define StrError strerror

// WIN32 adapt
#define closesocket close
#define INVALID_SOCKET -1
#define SOCKET_ERROR -1
typedef int SOCKET;

#ifndef INADDR_NONE
#define INADDR_NONE ((unsigned long) -1)
#endif                                            // INADDR_NONE
#endif                                            // !_WIN32

// ----------------------------------------
// Generic
#ifndef SOL_IP
#define SOL_IP IPPROTO_IP
#endif

// ----------------------------------------
// OS specific adaptions

#ifdef SOLARIS
// ----------------------------------------
// Solaris
typedef unsigned short port_t;
#define s6_addr16 _S6_un._S6_u8
#define MSG_NOSIGNAL 0

#elif defined(__FreeBSD__) || defined(__OpenBSD__)
// ----------------------------------------
// FreeBSD and OpenBSD

# if defined(__FreeBSD__) && __FreeBSD_version < 400014
#  error FreeBSD versions prior to 400014 does not support ipv6
# endif

#  define s6_addr16 __u6_addr.__u6_addr16
#  if !defined(MSG_NOSIGNAL)
#   define MSG_NOSIGNAL 0
#  endif
#  include <netinet/in.h>
typedef in_addr_t ipaddr_t;
typedef in_port_t port_t;
#  define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
#  define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP

#elif defined __APPLE_CC__
// ----------------------------------------
// Mac OS X
#include <string.h>
#include <mach/port.h>
typedef unsigned long ipaddr_t;
#define s6_addr16 __u6_addr.__u6_addr16
#define MSG_NOSIGNAL 0                            // oops - thanks Derek
#define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP

#elif defined _WIN32
// ----------------------------------------
// Win32
#pragma comment(lib, "wsock32.lib")
typedef unsigned long ipaddr_t;
typedef unsigned short port_t;
typedef int socklen_t;
#define MSG_NOSIGNAL 0
#define SHUT_RDWR 2

// 1.8.6: define FD_SETSIZE to something bigger than 64 if there are a lot of
// simultaneous connections (must be done before including winsock.h)
#define FD_SETSIZE 1024
#include <winsock.h>

#define Errno WSAGetLastError()
const char *StrError(int x);

// class WSAInitializer is a part of the Socket class (on win32)
// as a static instance - so whenever an application uses a Socket,
// winsock is initialized
class WSAInitializer                              // Winsock Initializer
{
    public:
        WSAInitializer()
        {
            if (WSAStartup(0x101,&m_wsadata))
            {
                exit(-1);
            }
        }
        ~WSAInitializer()
        {
            WSACleanup();
        }
    private:
        WSADATA m_wsadata;
};

#else
// ----------------------------------------
// LINUX
typedef unsigned long ipaddr_t;
typedef unsigned short port_t;
#endif
#endif                                            // _SOCKET_INCLUDE_H
