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WinSockInit.h

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/*
Copyright (C) 2004  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 _WinSockInit_H
#define _WinSockInit_H

#ifdef WIN32
class WinSockInit
{
public:
        WinSockInit() : m_ok(false)
        {
                // init WinSockInit
                if( (iRc = ::WSAStartup( MAKEWORD( 1, 1 ), &m_WsaData )) != 0 )
                {
                }
                
                // Kontrollerar att WinSockInit DLL'en stöder Version 1.1 
                // PS! Även om DLL'en stöder en högre version returneras V1.1, för det var det vi begärde
                if ( LOBYTE( m_WsaData.wVersion ) != 1 || 
                                 HIBYTE( m_WsaData.wVersion ) != 1 ) 
                { 
                        ::WSACleanup(); 
                }
                else
                {
                        m_ok = true;
                }
        }
        ~WinSockInit() 
        {
                ::WSACleanup(); 
        }
        bool IsOK()
        {
                return m_ok; 
        }
private:
        WSADATA m_WsaData;
        int iRc;
        bool m_ok;
};
#endif // WIN32


#endif // _WinSockInit_H

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