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/*
* Copyright (c) 2010-2018 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#include <Swiften/Session/Session.h>
#include <boost/bind.hpp>
#include <Swiften/StreamStack/StreamStack.h>
#include <Swiften/StreamStack/XMPPLayer.h>
namespace Swift {
Session::Session(
std::shared_ptr<Connection> connection,
PayloadParserFactoryCollection* payloadParserFactories,
PayloadSerializerCollection* payloadSerializers,
XMLParserFactory* xmlParserFactory) :
connection(connection),
payloadParserFactories(payloadParserFactories),
payloadSerializers(payloadSerializers),
xmlParserFactory(xmlParserFactory),
finishing(false) {
}
Session::~Session() {
}
void Session::startSession() {
initializeStreamStack();
handleSessionStarted();
}
void Session::finishSession() {
if (finishing) {
return;
}
finishing = true;
if (auto xmppLayer = getXMPPLayer()) {
xmppLayer->writeFooter();
}
connection->disconnect();
}
void Session::finishSession(const SessionError& /*error*/) {
if (finishing) {
return;
}
finishing = true;
if (auto xmppLayer = getXMPPLayer()) {
xmppLayer->writeFooter();
}
connection->disconnect();
}
void Session::initializeStreamStack() {
auto xmppLayer = std::unique_ptr<XMPPLayer>(new XMPPLayer(payloadParserFactories, payloadSerializers, xmlParserFactory, ClientStreamType));
xmppLayer->onStreamStart.connect(
boost::bind(&Session::handleStreamStart, this, _1));
xmppLayer->onElement.connect(boost::bind(&Session::handleElement, this, _1));
xmppLayer->onError.connect(
boost::bind(&Session::finishSession, this, XMLError));
xmppLayer->onDataRead.connect(boost::bind(boost::ref(onDataRead), _1));
xmppLayer->onWriteData.connect(boost::bind(boost::ref(onDataWritten), _1));
connection->onDisconnected.connect(
boost::bind(&Session::handleDisconnected, this, _1));
streamStack = std::unique_ptr<StreamStack>(new StreamStack(std::move(xmppLayer), std::unique_ptr<ConnectionLayer>(new ConnectionLayer(connection))));
}
XMPPLayer* Session::getXMPPLayer() const {
return dynamic_cast<XMPPLayer*>(streamStack->getTopLayer());
}
StreamStack* Session::getStreamStack() const {
return streamStack.get();
}
void Session::sendElement(std::shared_ptr<ToplevelElement> stanza) {
getXMPPLayer()->writeElement(stanza);
}
void Session::handleDisconnected(const boost::optional<Connection::Error>& connectionError) {
connection->onDisconnected.disconnect(
boost::bind(&Session::handleDisconnected, this, _1));
if (connectionError) {
switch (*connectionError) {
case Connection::ReadError:
handleSessionFinished(ConnectionReadError);
onSessionFinished(ConnectionReadError);
break;
case Connection::WriteError:
handleSessionFinished(ConnectionWriteError);
onSessionFinished(ConnectionWriteError);
break;
}
}
else {
boost::optional<SessionError> error;
handleSessionFinished(error);
onSessionFinished(error);
}
}
}
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Swift