-#include "Swiften/StreamStack/StreamStack.h"

-

-#include <boost/bind.hpp>

-

-#include "Swiften/Base/foreach.h"

-#include "Swiften/StreamStack/XMPPLayer.h"

-#include "Swiften/StreamStack/LowLayer.h"

-#include "Swiften/StreamStack/StreamLayer.h"

-

-namespace Swift {

-

-StreamStack::StreamStack(boost::shared_ptr<XMPPLayer> xmppLayer, boost::shared_ptr<LowLayer> physicalLayer) : xmppLayer_(xmppLayer), physicalLayer_(physicalLayer) {

- xmppReadSlotConnection_ = physicalLayer_->onDataRead.connect(boost::bind(&XMPPLayer::parseData, xmppLayer_, _1));

- xmppWriteSignalConnection_ = xmppLayer_->onWriteData.connect(boost::bind(&LowLayer::writeData, physicalLayer_, _1));

-}

-

-StreamStack::~StreamStack() {

- // Disconnect the write signal connections to break cyclic signal

- // dependencies. The read signal connections have

- // to remain, since these can be reached from the main event loop.

- xmppWriteSignalConnection_.disconnect();

- foreach(const boost::bsignals::connection& connection, writeSignalConnections_) {

- connection.disconnect();

- }

-}

-

-void StreamStack::addLayer(boost::shared_ptr<StreamLayer> newLayer) {

- xmppReadSlotConnection_.disconnect();

- xmppWriteSignalConnection_.disconnect();

-

- boost::shared_ptr<LowLayer> lowLayer = (layers_.empty() ? physicalLayer_ : *layers_.rbegin());

-

- lowLayer->onDataRead.connect(boost::bind(&HighLayer::handleDataRead, newLayer, _1), boost::bsignals::at_front);

- writeSignalConnections_.push_back(newLayer->onWriteData.connect(boost::bind(&LowLayer::writeData, lowLayer, _1), boost::bsignals::at_front));

- xmppWriteSignalConnection_ = xmppLayer_->onWriteData.connect(boost::bind(&LowLayer::writeData, newLayer, _1), boost::bsignals::at_front);

- xmppReadSlotConnection_ = newLayer->onDataRead.connect(boost::bind(&XMPPLayer::parseData, xmppLayer_, _1), boost::bsignals::at_front);

- layers_.push_back(newLayer);

-}

-

-}