hxdll.cpp
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:4k
- /* ***** 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 ***** */
- // 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;
- }