pxparse.cpp
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:8k
- /* ***** 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
- #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;
- }