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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 "XnIONetworkStream.h"
#include <XnLog.h>
#define XN_MASK_IO_NET_STREAM "IoNetStream"
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XnIONetworkStream::XnIONetworkStream(XN_SOCKET_HANDLE hSocket) :
m_hSocket(hSocket),
m_bIsConnected(TRUE),
m_nReadTimeout(XN_WAIT_INFINITE)
{
}
XnStatus XnIONetworkStream::Init()
{
return (XN_STATUS_OK);
}
XnStatus XnIONetworkStream::Free()
{
m_bIsConnected = FALSE;
//We don't close the socket here because we don't own it - whoever opened it should be the one to close it.
return XN_STATUS_OK;
}
XnStatus XnIONetworkStream::WriteData(const XnUChar *pData, XnUInt32 nDataSize)
{
XnStatus nRetVal = XN_STATUS_OK;
nRetVal = xnOSSendNetworkBuffer(m_hSocket, (const XnChar*)pData, nDataSize);
if (nRetVal != XN_STATUS_OK)
{
m_bIsConnected = FALSE;
return (nRetVal);
}
return (XN_STATUS_OK);
}
XnStatus XnIONetworkStream::ReadData(XnUChar *pData, XnUInt32 nDataSize)
{
XnStatus nRetVal = XN_STATUS_OK;
XnUInt32 nTotalRead = 0;
// read until we get all the data we want
while (nTotalRead < nDataSize)
{
XnUInt32 nReadSize = nDataSize - nTotalRead;
nRetVal = xnOSReceiveNetworkBuffer(m_hSocket, (XnChar*)(pData + nTotalRead), &nReadSize, m_nReadTimeout);
if (nRetVal != XN_STATUS_OK)
{
if (nRetVal == XN_STATUS_OS_NETWORK_CONNECTION_CLOSED)
{
xnLogVerbose(XN_MASK_IO_NET_STREAM, "Network connection was closed gracefully");
m_bIsConnected = FALSE;
}
else if (nRetVal != XN_STATUS_OS_NETWORK_TIMEOUT)
{
xnLogError(XN_MASK_IO_NET_STREAM, "Got an error while reading network buffer: %s", xnGetStatusString(nRetVal));
m_bIsConnected = FALSE;
}
return (nRetVal);
}
nTotalRead += nReadSize;
}
return (XN_STATUS_OK);
}
void XnIONetworkStream::SetReadTimeout(XnUInt32 nMicrosecondsReadTimeout)
{
m_nReadTimeout = nMicrosecondsReadTimeout;
}
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