pxparse.cpp
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: pxparse.cpp,v 1.1.26.1 2004/07/09 01:54:51 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 ***** */
- // include
- #include "hxtypes.h"
- #include "hxcom.h"
- #include "ihxpckts.h"
- // hxmisc
- #include "baseobj.h"
- #include "unkimp.h"
- // hxcont
- #include "carray.h"
- #include "hxmap.h"
- // pxcomlib
- #include "carray.h"
- #include "pxmapmgr.h"
- #include "pxparse.h"
- // hxdebug
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static char HX_THIS_FILE[] = __FILE__;
- #endif
- PXParseSession::PXParseSession()
- {
- m_lRefCount = 0;
- m_pPacketInfoArray = NULL;
- m_ulNumPackets = 0;
- m_ulMaxPacketSize = 0;
- m_ulMinPacketSize = 0;
- m_ulTotalBytes = 0;
- m_ulTotalRequiredBytes = 0;
- m_ulTotalNonRequiredBytes = 0;
- }
- PXParseSession::~PXParseSession()
- {
- if (m_pPacketInfoArray)
- {
- for (UINT32 i = 0; i < (UINT32) m_pPacketInfoArray->GetSize(); i++)
- {
- PacketInfo* pInfo = (PacketInfo*) m_pPacketInfoArray->GetAt(i);
- if (pInfo)
- {
- HX_RELEASE(pInfo->m_pDataBuffer);
- HX_RELEASE(pInfo->m_pOpaqueBuffer);
- }
- HX_DELETE(pInfo);
- }
- }
- HX_DELETE(m_pPacketInfoArray);
- }
- STDMETHODIMP PXParseSession::QueryInterface(REFIID riid, void** ppvObj)
- {
- HX_RESULT retVal = HXR_OK;
- if (IsEqualIID(riid, IID_IUnknown))
- {
- AddRef();
- *ppvObj = (IUnknown *) this;
- }
- else
- {
- *ppvObj = NULL;
- retVal = HXR_NOINTERFACE;
- }
- return retVal;
- }
- STDMETHODIMP_(UINT32) PXParseSession::AddRef()
- {
- return InterlockedIncrement(&m_lRefCount);
- }
- STDMETHODIMP_(UINT32) PXParseSession::Release()
- {
-
- if (InterlockedDecrement(&m_lRefCount) > 0)
- return m_lRefCount;
- delete this;
- return 0;
- }
- HX_RESULT PXParseSession::InitSize(UINT32 ulSize)
- {
- HX_RESULT retVal = SetSize(ulSize);
- if (SUCCEEDED(retVal))
- {
- // NULL out all the pointers
- for (UINT32 i = 0; i < (UINT32) m_pPacketInfoArray->GetSize(); i++)
- {
- m_pPacketInfoArray->SetAt(i, NULL);
- }
- }
- return retVal;
- }
- HX_RESULT PXParseSession::SetSize(UINT32 ulSize)
- {
- HX_RESULT retVal = HXR_OK;
- if (ulSize)
- {
- // If the pointer array doesn't exist, then create it
- if (!m_pPacketInfoArray)
- {
- m_pPacketInfoArray = new CHXPtrArray();
- if (!m_pPacketInfoArray)
- {
- retVal = HXR_OUTOFMEMORY;
- }
- }
- if (SUCCEEDED(retVal))
- {
- UINT32 ulOldSize = m_pPacketInfoArray->GetSize();
- // Set the size
- m_pPacketInfoArray->SetSize(ulSize);
- // If the new size is less than the old one, then
- // free up the unused space
- if (ulSize < ulOldSize)
- {
- m_pPacketInfoArray->FreeExtra();
- }
- }
- }
- else
- {
- retVal = HXR_INVALID_PARAMETER;
- }
- return retVal;
- }
- UINT32 PXParseSession::GetSize()
- {
- UINT32 ulNum = 0;
- if (m_pPacketInfoArray)
- {
- ulNum = m_pPacketInfoArray->GetSize();
- }
- return ulNum;
- }
- HX_RESULT PXParseSession::AddPacket(IHXBuffer* pDataBuffer,
- IHXBuffer* pOpaqueBuffer,
- BOOL bRequired)
- {
- HX_RESULT retVal = HXR_OK;
- if (pDataBuffer)
- {
- // Create a new PacketInfo struct
- PacketInfo* pInfo = new PacketInfo;
- if (pInfo)
- {
- // Set the members of the PacketInfo struct
- pInfo->m_pDataBuffer = pDataBuffer;
- pInfo->m_pOpaqueBuffer = pOpaqueBuffer;
- pInfo->m_bRequired = bRequired;
- // AddRef the objects
- pInfo->m_pDataBuffer->AddRef();
- if (pInfo->m_pOpaqueBuffer)
- {
- pInfo->m_pOpaqueBuffer->AddRef();
- }
- // Set the struct into the array
- m_pPacketInfoArray->SetAt(m_ulNumPackets, (void*) pInfo);
- // Update the statistics
- UINT32 ulBytes = pDataBuffer->GetSize() + (pOpaqueBuffer ? pOpaqueBuffer->GetSize() : 0);
- if (m_ulNumPackets)
- {
- if (ulBytes < m_ulMinPacketSize)
- {
- m_ulMinPacketSize = ulBytes;
- }
- if (ulBytes > m_ulMaxPacketSize)
- {
- m_ulMaxPacketSize = ulBytes;
- }
- }
- else
- {
- m_ulMinPacketSize = ulBytes;
- m_ulMaxPacketSize = ulBytes;
- }
- m_ulTotalBytes += ulBytes;
- if (bRequired)
- {
- m_ulTotalRequiredBytes += ulBytes;
- }
- else
- {
- m_ulTotalNonRequiredBytes += ulBytes;
- }
- m_ulNumPackets++;
- }
- else
- {
- retVal = HXR_OUTOFMEMORY;
- }
- }
- else
- {
- retVal = HXR_INVALID_PARAMETER;
- }
- return retVal;
- }
- HX_RESULT PXParseSession::GetPacket(UINT32 ulPacketIndex,
- REF(IHXBuffer*) rpDataBuffer,
- REF(IHXBuffer*) rpOpaqueBuffer,
- REF(BOOL) rbRequired)
- {
- HX_RESULT retVal = HXR_OK;
- if (m_pPacketInfoArray)
- {
- if (ulPacketIndex < m_ulNumPackets)
- {
- PacketInfo* pInfo = (PacketInfo*) m_pPacketInfoArray->GetAt(ulPacketIndex);
- if (pInfo)
- {
- if (pInfo->m_pDataBuffer)
- {
- rpDataBuffer = pInfo->m_pDataBuffer;
- rpOpaqueBuffer = pInfo->m_pOpaqueBuffer;
- rbRequired = pInfo->m_bRequired;
- rpDataBuffer->AddRef();
- if (rpOpaqueBuffer)
- {
- rpOpaqueBuffer->AddRef();
- }
- }
- else
- {
- retVal = HXR_FAIL;
- }
- }
- else
- {
- retVal = HXR_FAIL;
- }
- }
- else
- {
- retVal = HXR_INVALID_PARAMETER;
- }
- }
- else
- {
- retVal = HXR_UNEXPECTED;
- }
- return retVal;
- }