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/****************************************************************************
* *
* PrimeSense Sensor 5.x Alpha *
* Copyright (C) 2011 PrimeSense Ltd. *
* *
* This file is part of PrimeSense Sensor. *
* *
* PrimeSense Sensor is free software: you can redistribute it and/or modify*
* it under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* PrimeSense Sensor is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with PrimeSense Sensor. If not, see <http://www.gnu.org/licenses/>.*
* *
****************************************************************************/
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "XnDataProcessorHolder.h"
#include <XnOS.h>
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XnDataProcessorHolder::XnDataProcessorHolder() :
m_pProcessor(NULL),
m_hLock(NULL)
{
}
XnDataProcessorHolder::~XnDataProcessorHolder()
{
xnOSCloseCriticalSection(&m_hLock);
XN_DELETE(m_pProcessor);
}
XnStatus XnDataProcessorHolder::Init()
{
XnStatus nRetVal = XN_STATUS_OK;
nRetVal = xnOSCreateCriticalSection(&m_hLock);
XN_IS_STATUS_OK(nRetVal);
return (XN_STATUS_OK);
}
void XnDataProcessorHolder::Lock()
{
xnOSEnterCriticalSection(&m_hLock);
}
void XnDataProcessorHolder::Unlock()
{
xnOSLeaveCriticalSection(&m_hLock);
}
void XnDataProcessorHolder::Replace(XnDataProcessor* pNew)
{
// lock first, to make sure processor is not in use right now
Lock();
if (m_pProcessor != NULL)
{
XN_DELETE(m_pProcessor);
}
m_pProcessor = pNew;
Unlock();
}
void XnDataProcessorHolder::ProcessData(const XnSensorProtocolResponseHeader* pHeader, const XnUChar* pData, XnUInt32 nDataOffset, XnUInt32 nDataSize)
{
if (m_pProcessor == NULL)
return;
// lock first
Lock();
// check again (it could have been replaced while we waited to lock)
if (m_pProcessor != NULL)
{
m_pProcessor->ProcessData(pHeader, pData, nDataOffset, nDataSize);
}
Unlock();
}
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