/*

 * Copyright 2000 Sun Microsystems, Inc.  All Rights Reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 *

 */

#include <iostream>

#include <winsock2.h>

using namespace std;

void

initWinsock()

{

  static int initted = 0;

  WORD wVersionRequested;

  WSADATA wsaData;

  int err;

  if (!initted) {

    wVersionRequested = MAKEWORD( 2, 0 );

    err = WSAStartup( wVersionRequested, &wsaData );

    if ( err != 0 ) {

      {

        /* Tell the user that we couldn't find a usable */

        /* WinSock DLL.                                 */

        cerr << "SocketBase::SocketBase: unable to find usable "

             << "WinSock DLL" << endl;

        exit(1);

      }

    }

    /* Confirm that the WinSock DLL supports 2.0.*/

    /* Note that if the DLL supports versions greater    */

    /* than 2.0 in addition to 2.0, it will still return */

    /* 2.0 in wVersion since that is the version we      */

    /* requested.                                        */

    if ( LOBYTE( wsaData.wVersion ) != 2 ||

         HIBYTE( wsaData.wVersion ) != 0 ) {

      /* Tell the user that we couldn't find a usable */

      /* WinSock DLL.                                  */

      {

        cerr << "Unable to find suitable version of WinSock DLL" << endl;

        WSACleanup( );

        exit(1);

      }

    }

    initted = 1;

  }

}