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/*****************************************************************************
* *
* OpenNI 2.x Alpha *
* Copyright (C) 2012 PrimeSense Ltd. *
* *
* This file is part of OpenNI. *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
*****************************************************************************/
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "XnWholePacketProcessor.h"
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XnWholePacketProcessor::XnWholePacketProcessor(XnDevicePrivateData* pDevicePrivateData, const XnChar* csName, XnUInt32 nMaxPacketSize) :
XnDataProcessor(pDevicePrivateData, csName),
m_nMaxPacketSize(nMaxPacketSize)
{}
XnWholePacketProcessor::~XnWholePacketProcessor()
{}
XnStatus XnWholePacketProcessor::Init()
{
XnStatus nRetVal = XN_STATUS_OK;
nRetVal = XnDataProcessor::Init();
XN_IS_STATUS_OK(nRetVal);
nRetVal = m_WholePacket.Allocate(m_nMaxPacketSize);
XN_IS_STATUS_OK(nRetVal);
return (XN_STATUS_OK);
}
void XnWholePacketProcessor::ProcessPacketChunk(const XnSensorProtocolResponseHeader* pHeader, const XnUChar* pData, XnUInt32 nDataOffset, XnUInt32 nDataSize)
{
if (nDataOffset == 0 && m_WholePacket.GetSize() != 0)
{
// previous packet was not received to its end
xnLogWarning(XN_MASK_SENSOR_PROTOCOL, "%s: Expected %d additional bytes in packet (got %d out of %d bytes)!", m_csName, pHeader->nBufSize - m_WholePacket.GetSize(), m_WholePacket.GetSize(), pHeader->nBufSize);
m_WholePacket.Reset();
}
// sanity check
if (pHeader->nBufSize > m_WholePacket.GetMaxSize())
{
xnLogWarning(XN_MASK_SENSOR_PROTOCOL, "Got a packet which is bigger than max size! (%d > %d)", pHeader->nBufSize, m_WholePacket.GetMaxSize());
}
else
{
// append data
m_WholePacket.UnsafeWrite(pData, nDataSize);
// check if we have entire packet
if (m_WholePacket.GetSize() == pHeader->nBufSize)
{
// process it
ProcessWholePacket(pHeader, m_WholePacket.GetData());
m_WholePacket.Reset();
}
}
}
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