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hxnetutil.cpp：源码内容
							/* ***** BEGIN LICENSE BLOCK *****
 * Version: RCSL 1.0/RPSL 1.0
 *
 * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
 *
 * The contents of this file, and the files included with this file, are
 * subject to the current version of the RealNetworks Public Source License
 * Version 1.0 (the "RPSL") available at
 * http://www.helixcommunity.org/content/rpsl unless you have licensed
 * the file under the RealNetworks Community Source License Version 1.0
 * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
 * in which case the RCSL will apply. You may also obtain the license terms
 * directly from RealNetworks.  You may not use this file except in
 * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
 * applicable to this file, the RCSL.  Please see the applicable RPSL or
 * RCSL for the rights, obligations and limitations governing use of the
 * contents of the file.
 *
 * This file is part of the Helix DNA Technology. RealNetworks is the
 * developer of the Original Code and owns the copyrights in the portions
 * it created.
 *
 * This file, and the files included with this file, is distributed and made
 * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 *
 * Technology Compatibility Kit Test Suite(s) Location:
 *    http://www.helixcommunity.org/content/tck
 *
 * Contributor(s):
 *
 * ***** END LICENSE BLOCK ***** */
#include "hxnetutil.h"
#include "hxprefs.h"  // IHXPreferences
#include "ihxpckts.h" // IHXBuffer
#include "hxcore.h"   // IHXClientEngine
#if defined(HELIX_FEATURE_PREFERENCES)
#include "hxprefs.h"
#include "hxprefutil.h"
#endif /* HELIX_FEATURE_PREFERENCES */
#include <stdlib.h>
HX_RESULT ConvertNetworkError(HX_RESULT theErr)
{
    HX_RESULT lResult = theErr;
    if (!IS_SERVER_ALERT(theErr))
    {
        switch(theErr)
        {
            case HXR_AT_INTERRUPT:                      // mask out these errors
            case HXR_WOULD_BLOCK:
            case HXR_NO_DATA:
            case HXR_OK:
                lResult = HXR_OK;
                break;
            case HXR_DNR:
            case HXR_DOC_MISSING:
            case HXR_OUTOFMEMORY:
            case HXR_ADVANCED_SERVER:
            case HXR_BAD_SERVER:
            case HXR_OLD_SERVER:
            case HXR_INVALID_FILE:
            case HXR_REDIRECTION:
            case HXR_PROXY:
            case HXR_PROXY_RESPONSE:
            case HXR_ADVANCED_PROXY:
            case HXR_OLD_PROXY:
            case HXR_PERFECTPLAY_NOT_SUPPORTED:
            case HXR_NO_LIVE_PERFECTPLAY:
            case HXR_PERFECTPLAY_NOT_ALLOWED:
            case HXR_NET_SOCKET_INVALID:
            case HXR_GENERAL_NONET:
            case HXR_BLOCK_CANCELED:
            case HXR_MSG_TOOLARGE:
            case HXR_SERVER_DISCONNECTED:
            case HXR_BAD_TRANSPORT:
                break;
            default:
                lResult = HXR_SERVER_DISCONNECTED;
                break;
        }
    }
    return lResult;
}
#if defined( _UNIX )
BOOL ReadNetworkThreadingPref( IUnknown* pContext )
{
#if defined(_SOLARIS) // XXXNH: solaris network threading is currently buggy
    static BOOL bNetworkThreading = FALSE;
#else
    static BOOL bNetworkThreading = TRUE;
#endif
    
#if defined(HELIX_FEATURE_PREFERENCES)
    
    static BOOL bNeedToLoad       = TRUE;
    if( bNeedToLoad && NULL!=pContext)
    {
        IHXPreferences* pPreferences = NULL;
        bNeedToLoad = FALSE;
        pContext->QueryInterface(IID_IHXPreferences, (void **)&pPreferences);
        IHXBuffer *pBuffer = NULL;
        if( NULL!=pPreferences )
        {
            if (ReadPrefBOOL(pPreferences, "NetworkThreading", bNetworkThreading) != HXR_OK)
            {
                //XXXGFW HACK!! REMOVE AFTER RNC
                //Pref was not found. It defaults to ON now so lets see if we
                //are running under a player. If not, turn it off.
                IHXClientEngine* pEngine = NULL;
                if(HXR_OK == pContext->QueryInterface(IID_IHXClientEngine, (void**)&pEngine))
                {
                    //We have client Engine. Do nothing.
                    HX_RELEASE( pEngine );
                }
                else
                {
                    //We don't have a client engine. Turn off threading...
                    bNetworkThreading = FALSE;
                }
            }
            HX_RELEASE( pPreferences );
        } // NULL!=pPreferences
    }//bNeedToLoad && NULL!=pContext
#endif /* HELIX_FEATURE_PREFERENCES */
    return bNetworkThreading;
}
#endif

						