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#include "XnLinkInputDataEndpoint.h"
#include "IConnectionFactory.h"
#include "XnLinkInputStreamsMgr.h"
#include <XnOS.h>
#include <XnOSCpp.h>
#include <XnLog.h>
#include <XnDump.h>
#define XN_MASK_LINK "xnLink"
namespace xn
{
LinkInputDataEndpoint::LinkInputDataEndpoint()
{
m_pConnection = NULL;
m_pConnectionFactory = NULL;
m_bInitialized = FALSE;
m_nConnected = 0;
m_pNotifications = NULL;
m_nEndpointID = 0;
m_pDumpFile = NULL;
m_pLinkInputStreamsMgr = NULL;
m_hCriticalSection = NULL;
}
LinkInputDataEndpoint::~LinkInputDataEndpoint()
{
Shutdown();
}
XnStatus LinkInputDataEndpoint::Init(XnUInt16 nEndpointID,
IConnectionFactory* pConnectionFactory,
LinkInputStreamsMgr* pLinkInputStreamsMgr,
ILinkDataEndpointNotifications* pNotifications)
{
XN_VALIDATE_INPUT_PTR(pConnectionFactory);
XN_VALIDATE_INPUT_PTR(pLinkInputStreamsMgr);
XN_VALIDATE_INPUT_PTR(pNotifications);
XnStatus nRetVal = XN_STATUS_OK;
if (!m_bInitialized)
{
m_pConnectionFactory = pConnectionFactory;
m_nEndpointID = nEndpointID;
m_pNotifications = pNotifications;
m_pLinkInputStreamsMgr = pLinkInputStreamsMgr;
nRetVal = xnOSCreateCriticalSection(&m_hCriticalSection);
XN_IS_STATUS_OK_LOG_ERROR("Create critical section", nRetVal);
//We are initialized :)
m_bInitialized = TRUE;
}
return XN_STATUS_OK;
}
XnBool LinkInputDataEndpoint::IsInitialized() const
{
return m_bInitialized;
}
void LinkInputDataEndpoint::Shutdown()
{
Disconnect();
XN_DELETE(m_pConnection);
m_pConnection = NULL;
xnOSCloseCriticalSection(&m_hCriticalSection);
m_bInitialized = FALSE;
}
XnStatus LinkInputDataEndpoint::Connect()
{
XnStatus nRetVal = XN_STATUS_OK;
XnChar strDumpName[XN_FILE_MAX_PATH] = "";
xnl::AutoCSLocker lock(m_hCriticalSection);
if (!m_bInitialized)
{
XN_LOG_ERROR_RETURN(XN_STATUS_NOT_INIT, XN_MASK_LINK, "Not initialized");
}
if (m_nConnected == 0)
{
if (m_pConnection == NULL)
{
//Create input data connection
nRetVal = m_pConnectionFactory->CreateInputDataConnection(m_nEndpointID, m_pConnection);
XN_IS_STATUS_OK_LOG_ERROR("Create input data connection", nRetVal);
xnLogVerbose(XN_MASK_LINK, "Link input data endpoint %u max packet size is %u bytes", m_nEndpointID, m_pConnection->GetMaxPacketSize());
}
//Tell our async connection object to send incoming data to this object
nRetVal = m_pConnection->SetDataDestination(this);
XN_IS_STATUS_OK_LOG_ERROR("Set input data connection data destination", nRetVal);
//Open dump (if needed)
nRetVal = xnLinkGetEPDumpName(m_nEndpointID, strDumpName, sizeof(strDumpName));
XN_IS_STATUS_OK_LOG_ERROR("Get EP Dump name", nRetVal);
m_pDumpFile = xnDumpFileOpen(strDumpName, "%s.raw", strDumpName);
//Connect
nRetVal = m_pConnection->Connect();
XN_IS_STATUS_OK_LOG_ERROR("Connect input data connection", nRetVal);
}
m_nConnected++;
return XN_STATUS_OK;
}
void LinkInputDataEndpoint::Disconnect()
{
xnl::AutoCSLocker lock(m_hCriticalSection);
if (m_nConnected == 1)
{
//Reference count reaches zero so we REALLY disconnect
xnDumpFileClose(m_pDumpFile);
m_pConnection->Disconnect();
m_pConnection->SetDataDestination(NULL);
}
if (m_nConnected > 0)
{
m_nConnected--;
}
}
XnBool LinkInputDataEndpoint::IsConnected() const
{
xnl::AutoCSLocker lock(m_hCriticalSection);
return (m_nConnected > 0);
}
XnStatus LinkInputDataEndpoint::IncomingData(const void* pData, XnUInt32 nSize)
{
XnStatus nRetVal = XN_STATUS_OK;
xnDumpFileWriteBuffer(m_pDumpFile, pData, nSize);
nRetVal = m_pLinkInputStreamsMgr->HandleData(pData, nSize);
// XN_IS_STATUS_OK_LOG_ERROR("Handle data in streams mgr", nRetVal);
if (nRetVal != XN_STATUS_OK)
{
return nRetVal;
}
return XN_STATUS_OK;
}
void LinkInputDataEndpoint::HandleDisconnection()
{
//TODO: Maybe we need to call disconnect here so the thread will stop
m_nConnected = 0;
m_pNotifications->HandleLinkDataEndpointDisconnection(m_nEndpointID);
}
XnUInt16 LinkInputDataEndpoint::GetMaxPacketSize() const
{
return m_pConnection->GetMaxPacketSize();
}
}
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