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/*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include "Swiften/Component/CoreComponent.h"
#include <boost/bind.hpp>
#include "Swiften/Component/ComponentSession.h"
#include "Swiften/Network/Connector.h"
#include "Swiften/Network/NetworkFactories.h"
#include "Swiften/TLS/PKCS12Certificate.h"
#include "Swiften/Session/BasicSessionStream.h"
#include "Swiften/Queries/IQRouter.h"
#include "Swiften/Base/IDGenerator.h"
#include "Swiften/Component/ComponentSessionStanzaChannel.h"
namespace Swift {
CoreComponent::CoreComponent(EventLoop* eventLoop, NetworkFactories* networkFactories, const JID& jid, const String& secret) : eventLoop(eventLoop), networkFactories(networkFactories), resolver_(eventLoop), jid_(jid), secret_(secret), disconnectRequested_(false) {
stanzaChannel_ = new ComponentSessionStanzaChannel();
stanzaChannel_->onMessageReceived.connect(boost::ref(onMessageReceived));
stanzaChannel_->onPresenceReceived.connect(boost::ref(onPresenceReceived));
stanzaChannel_->onAvailableChanged.connect(boost::bind(&CoreComponent::handleStanzaChannelAvailableChanged, this, _1));
iqRouter_ = new IQRouter(stanzaChannel_);
iqRouter_->setFrom(jid);
}
CoreComponent::~CoreComponent() {
if (session_ || connection_) {
std::cerr << "Warning: Component not disconnected properly" << std::endl;
}
delete iqRouter_;
stanzaChannel_->onAvailableChanged.disconnect(boost::bind(&CoreComponent::handleStanzaChannelAvailableChanged, this, _1));
stanzaChannel_->onMessageReceived.disconnect(boost::ref(onMessageReceived));
stanzaChannel_->onPresenceReceived.disconnect(boost::ref(onPresenceReceived));
delete stanzaChannel_;
}
void CoreComponent::connect(const String& host, int port) {
assert(!connector_);
connector_ = ComponentConnector::create(host, port, &resolver_, networkFactories->getConnectionFactory(), networkFactories->getTimerFactory());
connector_->onConnectFinished.connect(boost::bind(&CoreComponent::handleConnectorFinished, this, _1));
connector_->setTimeoutMilliseconds(60*1000);
connector_->start();
}
void CoreComponent::handleConnectorFinished(boost::shared_ptr<Connection> connection) {
connector_->onConnectFinished.disconnect(boost::bind(&CoreComponent::handleConnectorFinished, this, _1));
connector_.reset();
if (!connection) {
if (!disconnectRequested_) {
onError(ComponentError::ConnectionError);
}
}
else {
assert(!connection_);
connection_ = connection;
assert(!sessionStream_);
sessionStream_ = boost::shared_ptr<BasicSessionStream>(new BasicSessionStream(ComponentStreamType, connection_, getPayloadParserFactories(), getPayloadSerializers(), NULL, networkFactories->getTimerFactory()));
sessionStream_->onDataRead.connect(boost::bind(&CoreComponent::handleDataRead, this, _1));
sessionStream_->onDataWritten.connect(boost::bind(&CoreComponent::handleDataWritten, this, _1));
session_ = ComponentSession::create(jid_, secret_, sessionStream_);
stanzaChannel_->setSession(session_);
session_->onFinished.connect(boost::bind(&CoreComponent::handleSessionFinished, this, _1));
session_->start();
}
}
void CoreComponent::disconnect() {
// FIXME: We should be able to do without this boolean. We just have to make sure we can tell the difference between
// connector finishing without a connection due to an error or because of a disconnect.
disconnectRequested_ = true;
if (session_) {
session_->finish();
}
else if (connector_) {
connector_->stop();
assert(!session_);
}
assert(!session_);
assert(!sessionStream_);
assert(!connector_);
disconnectRequested_ = false;
}
void CoreComponent::handleSessionFinished(boost::shared_ptr<Error> error) {
session_->onFinished.disconnect(boost::bind(&CoreComponent::handleSessionFinished, this, _1));
session_.reset();
sessionStream_->onDataRead.disconnect(boost::bind(&CoreComponent::handleDataRead, this, _1));
sessionStream_->onDataWritten.disconnect(boost::bind(&CoreComponent::handleDataWritten, this, _1));
sessionStream_.reset();
connection_->disconnect();
connection_.reset();
if (error) {
ComponentError componentError;
if (boost::shared_ptr<ComponentSession::Error> actualError = boost::dynamic_pointer_cast<ComponentSession::Error>(error)) {
switch(actualError->type) {
case ComponentSession::Error::AuthenticationFailedError:
componentError = ComponentError(ComponentError::AuthenticationFailedError);
break;
case ComponentSession::Error::UnexpectedElementError:
componentError = ComponentError(ComponentError::UnexpectedElementError);
break;
}
}
else if (boost::shared_ptr<SessionStream::Error> actualError = boost::dynamic_pointer_cast<SessionStream::Error>(error)) {
switch(actualError->type) {
case SessionStream::Error::ParseError:
componentError = ComponentError(ComponentError::XMLError);
break;
case SessionStream::Error::TLSError:
assert(false);
componentError = ComponentError(ComponentError::UnknownError);
break;
case SessionStream::Error::InvalidTLSCertificateError:
assert(false);
componentError = ComponentError(ComponentError::UnknownError);
break;
case SessionStream::Error::ConnectionReadError:
componentError = ComponentError(ComponentError::ConnectionReadError);
break;
case SessionStream::Error::ConnectionWriteError:
componentError = ComponentError(ComponentError::ConnectionWriteError);
break;
}
}
onError(componentError);
}
}
void CoreComponent::handleDataRead(const String& data) {
onDataRead(data);
}
void CoreComponent::handleDataWritten(const String& data) {
onDataWritten(data);
}
void CoreComponent::handleStanzaChannelAvailableChanged(bool available) {
if (available) {
onConnected();
}
}
void CoreComponent::sendMessage(boost::shared_ptr<Message> message) {
stanzaChannel_->sendMessage(message);
}
void CoreComponent::sendPresence(boost::shared_ptr<Presence> presence) {
stanzaChannel_->sendPresence(presence);
}
}
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Swift