+/*

+ * Copyright (c) 2010 Remko Tronçon

+ * Licensed under the GNU General Public License v3.

+ * See Documentation/Licenses/GPLv3.txt for more information.

+ */

+

+#pragma once

+

+namespace Swift {

+ class ComponentError {

+ public:

+ enum Type {

+ UnknownError,

+ ConnectionError,

+ ConnectionReadError,

+ ConnectionWriteError,

+ XMLError,

+ AuthenticationFailedError,

+ UnexpectedElementError,

+ };

+

+ ComponentError(Type type = UnknownError) : type_(type) {}

+

+ Type getType() const { return type_; }

+

+ private:

+ Type type_;

+ };

+}

+/*

+ * Copyright (c) 2010 Remko Tronçon

+ * Licensed under the GNU General Public License v3.

+ * See Documentation/Licenses/GPLv3.txt for more information.

+ */

+

+#include "Swiften/Component/ComponentSessionStanzaChannel.h"

+

+#include <boost/bind.hpp>

+

+namespace Swift {

+

+void ComponentSessionStanzaChannel::setSession(boost::shared_ptr<ComponentSession> session) {

+ assert(!this->session);

+ this->session = session;

+ session->onInitialized.connect(boost::bind(&ComponentSessionStanzaChannel::handleSessionInitialized, this));

+ session->onFinished.connect(boost::bind(&ComponentSessionStanzaChannel::handleSessionFinished, this, _1));

+ session->onStanzaReceived.connect(boost::bind(&ComponentSessionStanzaChannel::handleStanza, this, _1));

+}

+

+void ComponentSessionStanzaChannel::sendIQ(boost::shared_ptr<IQ> iq) {

+ send(iq);

+}

+

+void ComponentSessionStanzaChannel::sendMessage(boost::shared_ptr<Message> message) {

+ send(message);

+}

+

+void ComponentSessionStanzaChannel::sendPresence(boost::shared_ptr<Presence> presence) {

+ send(presence);

+}

+

+String ComponentSessionStanzaChannel::getNewIQID() {

+ return idGenerator.generateID();

+}

+

+void ComponentSessionStanzaChannel::send(boost::shared_ptr<Stanza> stanza) {

+ if (!isAvailable()) {

+ std::cerr << "Warning: Component: Trying to send a stanza while disconnected." << std::endl;

+ return;

+ }

+ session->sendStanza(stanza);

+}

+

+void ComponentSessionStanzaChannel::handleSessionFinished(boost::shared_ptr<Error>) {

+ session->onFinished.disconnect(boost::bind(&ComponentSessionStanzaChannel::handleSessionFinished, this, _1));

+ session->onStanzaReceived.disconnect(boost::bind(&ComponentSessionStanzaChannel::handleStanza, this, _1));

+ session->onInitialized.disconnect(boost::bind(&ComponentSessionStanzaChannel::handleSessionInitialized, this));

+ session.reset();

+

+ onAvailableChanged(false);

+}

+

+void ComponentSessionStanzaChannel::handleStanza(boost::shared_ptr<Stanza> stanza) {

+ boost::shared_ptr<Message> message = boost::dynamic_pointer_cast<Message>(stanza);

+ if (message) {

+ onMessageReceived(message);

+ return;

+ }

+

+ boost::shared_ptr<Presence> presence = boost::dynamic_pointer_cast<Presence>(stanza);

+ if (presence) {

+ onPresenceReceived(presence);

+ return;

+ }

+

+ boost::shared_ptr<IQ> iq = boost::dynamic_pointer_cast<IQ>(stanza);

+ if (iq) {

+ onIQReceived(iq);

+ return;

+ }

+}

+

+void ComponentSessionStanzaChannel::handleSessionInitialized() {

+ onAvailableChanged(true);

+}

+

+}

+/*

+ * Copyright (c) 2010 Remko Tronçon

+ * Licensed under the GNU General Public License v3.

+ * See Documentation/Licenses/GPLv3.txt for more information.

+ */

+

+#pragma once

+

+#include <boost/shared_ptr.hpp>

+

+#include "Swiften/Base/IDGenerator.h"

+#include "Swiften/Component/ComponentSession.h"

+#include "Swiften/Client/StanzaChannel.h"

+#include "Swiften/Elements/Message.h"

+#include "Swiften/Elements/IQ.h"

+#include "Swiften/Elements/Presence.h"

+

+namespace Swift {

+ /**

+ * StanzaChannel implementation around a ComponentSession.

+ */

+ class ComponentSessionStanzaChannel : public StanzaChannel {

+ public:

+ void setSession(boost::shared_ptr<ComponentSession> session);

+

+ void sendIQ(boost::shared_ptr<IQ> iq);

+ void sendMessage(boost::shared_ptr<Message> message);

+ void sendPresence(boost::shared_ptr<Presence> presence);

+

+ bool getStreamManagementEnabled() const {

+ return false;

+ }

+

+ bool isAvailable() const {

+ return session && session->getState() == ComponentSession::Initialized;

+ }

+

+ private:

+ String getNewIQID();

+ void send(boost::shared_ptr<Stanza> stanza);

+ void handleSessionFinished(boost::shared_ptr<Error> error);

+ void handleStanza(boost::shared_ptr<Stanza> stanza);

+ void handleSessionInitialized();

+

+ private:

+ IDGenerator idGenerator;

+ boost::shared_ptr<ComponentSession> session;

+ };

+

+}

+/*

+ * 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/Network/MainBoostIOServiceThread.h"

+#include "Swiften/Network/BoostIOServiceThread.h"

+#include "Swiften/Component/ComponentSession.h"

+#include "Swiften/StreamStack/NullTLSLayerFactory.h"

+#include "Swiften/Network/Connector.h"

+#include "Swiften/Network/BoostConnectionFactory.h"

+#include "Swiften/Network/BoostTimerFactory.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(const JID& jid, const String& secret) : 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_);

+ connectionFactory_ = new BoostConnectionFactory(&MainBoostIOServiceThread::getInstance().getIOService());

+ timerFactory_ = new BoostTimerFactory(&MainBoostIOServiceThread::getInstance().getIOService());

+ tlsLayerFactory_ = new NullTLSLayerFactory();

+}

+

+CoreComponent::~CoreComponent() {

+ if (session_ || connection_) {

+ std::cerr << "Warning: Component not disconnected properly" << std::endl;

+ }

+ delete tlsLayerFactory_;

+ delete timerFactory_;

+ delete connectionFactory_;

+ 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_, connectionFactory_, timerFactory_);

+ 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_, &payloadParserFactories_, &payloadSerializers_, tlsLayerFactory_, timerFactory_));

+ sessionStream_->onDataRead.connect(boost::bind(&CoreComponent::handleDataRead, this, _1));

+ sessionStream_->onDataWritten.connect(boost::bind(&CoreComponent::handleDataWritten, this, _1));

+ sessionStream_->initialize();

+

+ 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);

+}

+

+}

+/*

+ * Copyright (c) 2010 Remko Tronçon

+ * Licensed under the GNU General Public License v3.

+ * See Documentation/Licenses/GPLv3.txt for more information.

+ */

+

+#pragma once

+

+#include <boost/shared_ptr.hpp>

+

+#include "Swiften/Base/boost_bsignals.h"

+#include "Swiften/Base/Error.h"

+#include "Swiften/Network/PlatformDomainNameResolver.h"

+#include "Swiften/Component/ComponentConnector.h"

+#include "Swiften/Component/ComponentSession.h"

+#include "Swiften/Component/ComponentError.h"

+#include "Swiften/Elements/Presence.h"

+#include "Swiften/Elements/Message.h"

+#include "Swiften/JID/JID.h"

+#include "Swiften/Base/String.h"

+#include "Swiften/Parser/PayloadParsers/FullPayloadParserFactoryCollection.h"

+#include "Swiften/Serializer/PayloadSerializers/FullPayloadSerializerCollection.h"

+#include "Swiften/Base/Shared.h"

+#include "Swiften/Component/ComponentSessionStanzaChannel.h"

+

+namespace Swift {

+ class IQRouter;

+ class TLSLayerFactory;

+ class ConnectionFactory;

+ class TimerFactory;

+ class ComponentSession;

+ class BasicSessionStream;

+

+ /**

+ * The central class for communicating with an XMPP server as a component.

+ *

+ * This class is responsible for setting up the connection with the XMPP

+ * server and authenticating the component.

+ *

+ * This class can be used directly in your application, although the Component

+ * subclass provides more functionality and interfaces, and is better suited

+ * for most needs.

+ */

+ class CoreComponent {

+ public:

+ CoreComponent(const JID& jid, const String& secret);

+ ~CoreComponent();

+

+ void connect(const String& host, int port);

+ void disconnect();

+

+ void sendMessage(boost::shared_ptr<Message>);

+ void sendPresence(boost::shared_ptr<Presence>);

+

+ IQRouter* getIQRouter() const {

+ return iqRouter_;

+ }

+

+ StanzaChannel* getStanzaChannel() const {

+ return stanzaChannel_;

+ }

+

+ bool isAvailable() const {

+ return stanzaChannel_->isAvailable();

+ }

+

+ /**

+ * Returns the JID of the component

+ */

+ const JID& getJID() const {

+ return jid_;

+ }

+

+ public:

+ boost::signal<void (const ComponentError&)> onError;

+ boost::signal<void ()> onConnected;

+ boost::signal<void (const String&)> onDataRead;

+ boost::signal<void (const String&)> onDataWritten;

+

+ boost::signal<void (boost::shared_ptr<Message>)> onMessageReceived;

+ boost::signal<void (boost::shared_ptr<Presence>) > onPresenceReceived;

+

+ private:

+ void handleConnectorFinished(boost::shared_ptr<Connection>);

+ void handleStanzaChannelAvailableChanged(bool available);

+ void handleSessionFinished(boost::shared_ptr<Error>);

+ void handleDataRead(const String&);

+ void handleDataWritten(const String&);

+

+ private:

+ PlatformDomainNameResolver resolver_;

+ JID jid_;

+ String secret_;

+ ComponentSessionStanzaChannel* stanzaChannel_;

+ IQRouter* iqRouter_;

+ ComponentConnector::ref connector_;

+ ConnectionFactory* connectionFactory_;

+ TimerFactory* timerFactory_;

+ TLSLayerFactory* tlsLayerFactory_;

+ FullPayloadParserFactoryCollection payloadParserFactories_;

+ FullPayloadSerializerCollection payloadSerializers_;

+ boost::shared_ptr<Connection> connection_;

+ boost::shared_ptr<BasicSessionStream> sessionStream_;

+ boost::shared_ptr<ComponentSession> session_;

+ bool disconnectRequested_;

+ };

+}

+ "ComponentSessionStanzaChannel.cpp",

+ "CoreComponent.cpp",

+/*

+ * Copyright (c) 2010 Remko Tronçon

+ * Licensed under the GNU General Public License v3.

+ * See Documentation/Licenses/GPLv3.txt for more information.

+ */

+

+#pragma once

+

+#include "Swiften/StreamStack/TLSLayerFactory.h"

+

+namespace Swift {

+ class NullTLSLayerFactory : public TLSLayerFactory {

+ public:

+ bool canCreate() const {

+ return false;

+ }

+

+ virtual boost::shared_ptr<TLSLayer> createTLSLayer() {

+ return boost::shared_ptr<TLSLayer>();

+ }

+ };

+}