cxNetworkConnection.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

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   this list of conditions and the following disclaimer.

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   may be used to endorse or promote products derived from this software
   without specific prior written permission.

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#include "cxNetworkConnection.h"

#include "cxSender.h"
#include "cxTime.h"
#include <QThread>

#include "cxProtocol.h"
#include "cxOpenIGTLinkProtocol.h"
#include "cxPlusProtocol.h"
#include "cxCustusProtocol.h"
#include "cxRASProtocol.h"

#include "cxXmlOptionItem.h"
#include "cxProfile.h"
#include "cxStringProperty.h"
#include "cxDoubleProperty.h"
#include "vtkImageData.h"

#include "cxUtilHelpers.h"
#include "cxMesh.h"
#include "cxSocket.h"

namespace cx
{

NetworkConnection::NetworkConnection(QString uid, QObject *parent) :
    SocketConnection(parent),
        mUid(uid)
{
    qRegisterMetaType<Transform3D>("Transform3D");
    qRegisterMetaType<ImagePtr>("ImagePtr");
        qRegisterMetaType<ImagePtr>("MeshPtr");
        qRegisterMetaType<ProbeDefinitionPtr>("ProbeDefinitionPtr");
        qRegisterMetaType<VoidFunctionType>("VoidFunctionType");


        ConnectionInfo info = this->getConnectionInfo();

    //TODO move to the correct plugin init
    info.protocol = this->initProtocol(ProtocolPtr(new CustusProtocol()))->getName();
    this->initProtocol(ProtocolPtr(new PlusProtocol()));
    this->initProtocol(ProtocolPtr(new OpenIGTLinkProtocol()));
    this->initProtocol(ProtocolPtr(new RASProtocol()));

        SocketConnection::setConnectionInfo(info);
}

NetworkConnection::~NetworkConnection()
{
}

ProtocolPtr NetworkConnection::initProtocol(ProtocolPtr value)
{
        mAvailableDialects[value->getName()] = value;
        return value;
}

void NetworkConnection::invoke(boost::function<void()> func)
{
        QMetaObject::invokeMethod(this,
                                                          "onInvoke",
                                                          Qt::QueuedConnection,
                                                          Q_ARG(VoidFunctionType, func));
}

void NetworkConnection::onInvoke(VoidFunctionType func)
{
        func();
}

QStringList NetworkConnection::getAvailableDialects() const
{
    QStringList retval;
    DialectMap::const_iterator it = mAvailableDialects.begin();
    for( ; it!=mAvailableDialects.end() ; ++it)
    {
        retval << it->first;
    }
    return retval;
}

void NetworkConnection::setProtocol(QString protocolname)
{
        assertRunningInObjectThread();
        if(mProtocol && (protocolname == mProtocol->getName()))
        return;

    ProtocolPtr protocol = mAvailableDialects[protocolname];
    if(!protocol)
    {
        CX_LOG_ERROR() << "\"" << protocolname << "\" is an unknown opentigtlink dialect.";
        return;
    }

    if(mProtocol)
    {
        disconnect(mProtocol.get(), &Protocol::image, this, &NetworkConnection::image);
        disconnect(mProtocol.get(), &Protocol::mesh, this, &NetworkConnection::mesh);
        disconnect(mProtocol.get(), &Protocol::transform, this, &NetworkConnection::transform);
        disconnect(mProtocol.get(), &Protocol::calibration, this, &NetworkConnection::calibration);
        disconnect(mProtocol.get(), &Protocol::probedefinition, this, &NetworkConnection::probedefinition);
    }

    mProtocol = protocol;
    connect(protocol.get(), &Protocol::image, this, &NetworkConnection::image);
    connect(protocol.get(), &Protocol::mesh, this, &NetworkConnection::mesh);
    connect(protocol.get(), &Protocol::transform, this, &NetworkConnection::transform);
    connect(protocol.get(), &Protocol::calibration, this, &NetworkConnection::calibration);
    connect(protocol.get(), &Protocol::probedefinition, this, &NetworkConnection::probedefinition);

    mProtocol->setSynchronizeRemoteClock(!mConnector->getInfo().isLocalhostConnection());
    CX_LOG_CHANNEL_SUCCESS(CX_OPENIGTLINK_CHANNEL_NAME) << "Protocol set to " << protocolname;

}

//namespace
//{
//void write_send_info(igtl::ImageMessage::Pointer msg)
//{
//      int kb = msg->GetPackSize()/1024;
//      CX_LOG_CHANNEL_DEBUG("igtl_test") << "Writing image to socket: " << msg->GetDeviceName()
//                                                                        << ", " << kb << " kByte";
//}
//}

void NetworkConnection::streamImage(ImagePtr image)
{
        assertRunningInObjectThread();

        EncodedPackagePtr package = mProtocol->encode(image);

    int sendSize = package->data()->size/1024;
    int waitingSize = mSocket->bytesToWrite()/1024;
    double waitToSendRatio = double(waitingSize)/double(sendSize);
    double waitToSendRatioThreshold = 0.5;

    static int sentCounter =0;
    static int dropCounter =0;
//    CX_LOG_CHANNEL_DEBUG("igtl_test") << "ratio: " << waitToSendRatio << " ratio";
//    CX_LOG_CHANNEL_DEBUG("igtl_test") << "GetNumComponents: " << msg->GetNumComponents() << " ";


    if (waitToSendRatio > waitToSendRatioThreshold)
    {
        dropCounter++;
        CX_LOG_CHANNEL_DEBUG("igtl_test") << QString("dropped stream image: wanted to send %1kB but %2kB already waiting, sent=%3,drop=%4")
                                             .arg(sendSize)
                                             .arg(waitingSize)
                                             .arg(sentCounter)
                                             .arg(dropCounter);

        return;
    }
    sentCounter++;

//    CX_LOG_CHANNEL_DEBUG("igtl_test") << "bytes to write pre write: " << waitingSize << " kbyte";
//    image->getBaseVtkImageData()->Print(std::cout);

//    write_send_info(msg);
//    mSocket->write(reinterpret_cast<char*>(msg->GetPackPointer()), msg->GetPackSize());
//    CX_LOG_CHANNEL_DEBUG(CX_OPENIGTLINK_CHANNEL_NAME) << "Sent image: " << image->getName();

    mSocket->write(reinterpret_cast<char*>(package->data()->pointer));
}

void NetworkConnection::sendImage(ImagePtr image)
{
        assertRunningInObjectThread();
        CX_LOG_CHANNEL_DEBUG(CX_OPENIGTLINK_CHANNEL_NAME) << "Sending image: " << image->getName();

        EncodedPackagePtr package = mProtocol->encode(image);
        mSocket->write(package->data()->pointer, package->data()->size);
}

void NetworkConnection::sendMesh(MeshPtr data)
{
        assertRunningInObjectThread();
        CX_LOG_CHANNEL_DEBUG(CX_OPENIGTLINK_CHANNEL_NAME) << "Sending mesh: " << data->getName();

        EncodedPackagePtr package = mProtocol->encode(data);
        mSocket->write(package->data()->pointer, package->data()->size);
}

void NetworkConnection::internalDataAvailable()
{
        assertRunningInObjectThread();
        //CX_LOG_DEBUG() << "START receive";
    if(!this->socketIsConnected())
        return;

    bool done = false;
    if(mProtocol->readyToReceiveData())
    {
        //CX_LOG_DEBUG() << "A ready to receive data " << mProtocol->readyToReceiveData();
        EncodedPackagePtr pack = mProtocol->getPack();
        if(this->socketReceive(pack->data()->pointer, pack->data()->size))
        {
            //CX_LOG_DEBUG() << "B";
            pack->notifyDataArrived();
            done = true;
        }
    }
    //CX_LOG_DEBUG() << "END receive";

}

}//namespace cx