/** \file socket_include.h
 ** \date  2005-04-12
 ** \author grymse@alhem.net
**/
/*
Copyright (C) 2004-2010  Anders Hedstrom

This library is made available under the terms of the GNU GPL, with
the additional exemption that compiling, linking, and/or using OpenSSL
is allowed.

If you would like to use this library in a closed-source application,
a separate license agreement is available. For information about
the closed-source license agreement for the C++ sockets library,
please visit http://www.alhem.net/Sockets/license.html and/or
email license@alhem.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 the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
#ifndef _SOCKETS_socket_include_H
#define _SOCKETS_socket_include_H
#include "sockets-config.h"

#ifdef _MSC_VER
#pragma warning(disable:4514)
#endif

// common defines affecting library and applications using library

/* Define SOCKETS_DYNAMIC_TEMP to use dynamically allocated buffers
   in read operations - helps on ECOS */
#define SOCKETS_DYNAMIC_TEMP

/** define type to uniquely identify a socket instance. */
typedef unsigned long socketuid_t;

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

// int64
#ifdef _WIN32
typedef unsigned __int64 uint64_t;
#else
#include <stdlib.h>
#ifdef SOLARIS
# include <sys/types.h>
#else
# include <stdint.h>
#endif
#endif

#ifndef _WIN32
// ----------------------------------------
// common unix includes / defines
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

// all typedefs in this file will be declared outside the sockets namespace,
// because some os's will already have one or more of the type defined.
typedef int SOCKET;
#define Errno errno
#define StrError strerror

#ifdef SOCKETS_NAMESPACE
namespace SOCKETS_NAMESPACE
{
#endif


// WIN32 adapt
#define closesocket close
#define INVALID_SOCKET -1
#define SOCKET_ERROR -1

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

#ifdef SOCKETS_NAMESPACE
}
#endif

#endif // !_WIN32


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


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

#ifdef SOLARIS
// ----------------------------------------
// Solaris
typedef unsigned short port_t;
#ifdef SOCKETS_NAMESPACE
namespace SOCKETS_NAMESPACE
{
#endif
// no defs

#ifdef SOCKETS_NAMESPACE
}
#endif

#define s6_addr16 _S6_un._S6_u8
#define MSG_NOSIGNAL 0

#elif defined __FreeBSD__
// ----------------------------------------
// FreeBSD
# if __FreeBSD_version >= 400014
#  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;
#ifdef SOCKETS_NAMESPACE
namespace SOCKETS_NAMESPACE
{
#endif
// no defs

#ifdef SOCKETS_NAMESPACE
}
#endif

#  define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
#  define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
# else
#  error FreeBSD versions prior to 400014 does not support ipv6
# endif

#elif defined MACOSX
// ----------------------------------------
// Mac OS X
//#include <string.h>
#ifdef __DARWIN_UNIX03
typedef unsigned short port_t;
#else
#include <mach/port.h>
#endif // __DARWIN_UNIX03
typedef unsigned long ipaddr_t;
#ifdef SOCKETS_NAMESPACE
namespace SOCKETS_NAMESPACE
{
#endif
// no defs

#ifdef SOCKETS_NAMESPACE
}
#endif

#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
#ifdef _MSC_VER
#pragma comment(lib, "wsock32.lib")
#endif
#define strcasecmp _stricmp
#ifndef __CYGWIN__
#define snprintf sprintf_s
#define vsnprintf vsprintf_s
#endif

typedef unsigned long ipaddr_t;
typedef unsigned short port_t;
typedef int socklen_t;
#ifdef SOCKETS_NAMESPACE
namespace SOCKETS_NAMESPACE
{
#endif
// no defs

#ifdef SOCKETS_NAMESPACE
}
#endif

// 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

// windows 2000 with ipv6 preview installed:
//    http://msdn.microsoft.com/downloads/sdks/platform/tpipv6.asp
// see the FAQ on how to install
#define WIN32_LEAN_AND_MEAN
#include <winsock2.h>
#include <ws2tcpip.h>
#if _MSC_VER < 1200
#ifndef __CYGWIN__
#ifdef ENABLE_IPV6
#include <tpipv6.h>  // For IPv6 Tech Preview.
#endif
#endif
#endif // _MSC_VER < 1200


#define MSG_NOSIGNAL 0
//#define SHUT_RDWR 2
#define SHUT_WR 1

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

#ifdef SOCKETS_NAMESPACE
namespace SOCKETS_NAMESPACE
{
#endif


// 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;
};

#ifdef SOCKETS_NAMESPACE
}
#endif

#else
// ----------------------------------------
// LINUX
typedef unsigned long ipaddr_t;
typedef unsigned short port_t;
#ifdef SOCKETS_NAMESPACE
namespace SOCKETS_NAMESPACE
{
#endif
// no defs

#ifdef SOCKETS_NAMESPACE
}
#endif


#endif

#ifdef SOCKETS_NAMESPACE
namespace SOCKETS_NAMESPACE
{
#endif
/** List type containing file descriptors. */
typedef std::list<SOCKET> socket_v;


#ifdef SOCKETS_NAMESPACE
}
#endif


// getaddrinfo / getnameinfo replacements
#ifdef NO_GETADDRINFO
#ifndef AI_NUMERICHOST
#define AI_NUMERICHOST 1
#endif
#ifndef NI_NUMERICHOST
#define NI_NUMERICHOST 1
#endif
#endif


#endif // _SOCKETS_socket_include_H

