hxdll.cpp
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: hxdll.cpp,v 1.4.36.1 2004/07/09 02:05:57 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 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 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (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.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * 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 ***** */
- // define all guids here once...
- #include "hxcom.h"
- #include "hxtypes.h"
- #include "hxassert.h"
- #include "hxresult.h"
- #include "hxcomm.h"
- #include "ihxpckts.h"
- #include "hxfiles.h"
- #include "hxcore.h"
- #include "hxslist.h"
- #include "hxcleng.h"
- #include "dllpath.h"
- #include "hxdll.h"
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- ENABLE_DLLACCESS_PATHS(HXCore);
- #if !defined(HELIX_CONFIG_NOSTATICS)
- HXClientEngine* g_pEngine = NULL;
- UINT16 g_uNumEngines = 0;
- #else
- #include "globals/hxglobals.h"
- const HXClientEngine* const g_pEngine = NULL;
- const UINT16 g_uNumEngines = 0;
- #endif
- /////////////////////////////////////////////////////////////////////////////
- //
- // Function:
- //
- // CreateEngine()
- //
- // Purpose:
- //
- //
- // Parameters:
- //
- // Return:
- //
- // HX_RESULT
- // Error code indicating the success or failure of the function.
- //
- // Notes:
- //
- //
- STDAPI
- ENTRYPOINT(CreateEngine)(IHXClientEngine** ppEngine)
- {
- #if defined(HELIX_CONFIG_NOSTATICS)
- UINT16& g_uNumEngines = (UINT16&)HXGlobalInt16::Get(&::g_uNumEngines);
- HXClientEngine*& g_pEngine =
- (HXClientEngine*&)HXGlobalPtr::Get(&::g_pEngine);
- #endif
- g_uNumEngines++;
-
- if (g_pEngine)
- {
- *ppEngine = g_pEngine;
- return HXR_OK;
- }
- *ppEngine = new HXClientEngine;
- if (*ppEngine)
- {
- (*ppEngine)->AddRef();
- g_pEngine = (HXClientEngine*) (*ppEngine);
- return HXR_OK;
- }
- return HXR_OUTOFMEMORY;
- }
- /////////////////////////////////////////////////////////////////////////////
- //
- // Function:
- //
- // CloseEngine()
- //
- // Purpose:
- //
- //
- // Parameters:
- //
- // Return:
- //
- // HX_RESULT
- // Error code indicating the success or failure of the function.
- //
- // Notes:
- //
- //
- STDAPI
- ENTRYPOINT(CloseEngine)(IHXClientEngine* pEngine)
- {
- #if defined(HELIX_CONFIG_NOSTATICS)
- UINT16& g_uNumEngines = (UINT16&)HXGlobalInt16::Get(&::g_uNumEngines);
- HXClientEngine*& g_pEngine =
- (HXClientEngine*&)HXGlobalPtr::Get(&::g_pEngine);
- #endif
- if (g_pEngine && pEngine)
- {
- if (g_uNumEngines > 0)
- {
- g_uNumEngines--;
- }
- if (g_uNumEngines == 0)
- {
- g_pEngine->Close();
- g_pEngine->Release();
- g_pEngine = NULL;
- /* check for memory leaks for debug core with release top level client
- * You have to set HXCoreOnlyMemoryLeak key under HKEY_CLASSES_ROOT and
- * set its value to 1.
- */
- #if defined(_DEBUG) && !defined(_WINCE) && !defined(_VXWORKS)
- if (::HXDebugOptionEnabled("HXCoreOnlyMemoryLeak")==TRUE)
- {
- HX_DUMP_LEAKS();
- }
- #endif
- }
- }
- return HXR_OK;
- }