/*
 * Copyright (C) 2007-2008 Xagasoft, All rights reserved.
 *
 * This file is part of the libbu++ library and is released under the
 * terms of the license contained in the file LICENSE.
 */

#ifndef WIN32_COMPATIBILITY__H
#define WIN32_COMPATIBILITY__H

#ifdef WIN32
 #define DYNLOAD DynamicWinsock2::
#else
 #define DYNLOAD 
#endif

#ifdef WIN32

#ifdef __cplusplus
extern "C" 
{
#include <Winsock2.h>
#include <ws2tcpip.h>
}
#endif

#include "bu/fstring.h"
#include "bu/singleton.h"

#ifndef TEMP_FAILURE_RETRY
#define TEMP_FAILURE_RETRY(expression)            \
  (__extension__                                  \
    ({ long int __result;                         \
      do __result = (long int) (expression);      \
      while (__result == -1L && errno == EINTR);  \
      __result; }))
#endif

__extension__ typedef int socklen_t;

namespace DynamicWinsock2
{
	int WSAStartup(WORD wVersionRequested,LPWSADATA lpWSAData);
	int WSACleanup(void);
	int WSAGetLastError();
	void inet_ntoa( Bu::FString &out, struct in_addr addr_in );
	unsigned long inet_addr( const char *s_in );
	int select(int nfds, fd_set *readfds, fd_set *writefds, 
			fd_set *exceptfds, const struct timeval *timeout);
	SOCKET socket(int domain, int type, int protocol);
	int ioctlsocket(SOCKET s, long cmd, u_long *argp);
	u_short htons(u_short in);
	u_long htonl(u_long in);
	struct hostent *gethostbyname(const char *name);
	void freeaddrinfo(struct addrinfo *ai);
	int getaddrinfo(
			const char *nodename, const char *servname,
			const struct addrinfo *hints, struct addrinfo **res );
	int connect(SOCKET s, const struct sockaddr *serv_addr, int addrlen);
	int getpeername(SOCKET s, struct sockaddr *name, int *namelen);	
	int setsockopt(SOCKET s, int level, int optname, 
			const char *optval, int optlen);
	int bind(SOCKET s, const struct sockaddr *my_addr, int addrlen);
	int listen(SOCKET s, int backlog);	
	SOCKET accept(SOCKET s, struct sockaddr *addr, int *addrlen);	
	int recv( SOCKET s, char *buf, int len, int flags );
	int send( SOCKET s, const char *buf, int len, int flags );
	int DYN_FD_ISSET(SOCKET s, fd_set *set);

	class Winsock2 : public Bu::Singleton<Winsock2>
	{
	friend class Bu::Singleton<Winsock2>;
	private:
		Winsock2();
		virtual ~Winsock2();

		WSADATA wsaData;

	public:
	};
};

#endif /* WIN32 */
#endif