+#include <string>

+#include <boost/bind.hpp>

+#include <boost/shared_ptr.hpp>

+

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

+#include "Swiften/Session/SessionTracer.h"

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

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

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

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

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

+#include "Swiften/Server/UserRegistry.h"

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

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

+#include "Swiften/Server/UserRegistry.h"

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

+#include "Swiften/EventLoop/MainEventLoop.h"

+#include "Swiften/EventLoop/SimpleEventLoop.h"

+#include "Swiften/EventLoop/EventOwner.h"

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

+#include "Swiften/LinkLocal/LinkLocalConnector.h"

+#include "Swiften/LinkLocal/LinkLocalServiceInfo.h"

+#include "Swiften/LinkLocal/LinkLocalRoster.h"

+#include "Swiften/LinkLocal/OutgoingLinkLocalSession.h"

+#include "Swiften/LinkLocal/IncomingLinkLocalSession.h"

+#include "Swiften/LinkLocal/DNSSDService.h"

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

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

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

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

+#include "Swiften/Server/ServerFromClientSession.h"

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

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

+

+#if defined(SWIFTEN_PLATFORM_MACOSX) || defined(SWIFTEN_PLATFORM_WINDOWS)

+#include "Swiften/LinkLocal/AppleDNSSDService.h"

+#else

+#include "Swiften/LinkLocal/AvahiDNSSDService.h"

+#endif

+

+using namespace Swift;

+

+

+class DummyUserRegistry : public UserRegistry {

+ public:

+ DummyUserRegistry() {

+ }

+

+ virtual bool isValidUserPassword(const JID&, const String&) const {

+ return true;

+ }

+};

+

+class Server {

+ public:

+ Server(int clientConnectionPort, int linkLocalConnectionPort) :

+ dnsSDServiceRegistered_(false),

+ rosterRequested_(false),

+ clientConnectionPort_(clientConnectionPort),

+ linkLocalConnectionPort_(linkLocalConnectionPort) {

+ serverFromClientConnectionServer_ =

+ boost::shared_ptr<BoostConnectionServer>(new BoostConnectionServer(

+ clientConnectionPort, &boostIOServiceThread_.getIOService()));

+ serverFromClientConnectionServer_->onNewConnection.connect(

+ boost::bind(&Server::handleNewClientConnection, this, _1));

+ serverFromClientConnectionServer_->start();

+

+ serverFromNetworkConnectionServer_ =

+ boost::shared_ptr<BoostConnectionServer>(new BoostConnectionServer(

+ linkLocalConnectionPort, &boostIOServiceThread_.getIOService()));

+ serverFromNetworkConnectionServer_->onNewConnection.connect(

+ boost::bind(&Server::handleNewLinkLocalConnection, this, _1));

+ serverFromNetworkConnectionServer_->start();

+

+#if defined(SWIFTEN_PLATFORM_MACOSX) || defined(SWIFTEN_PLATFORM_WINDOWS)

+ dnsSDService_ = boost::shared_ptr<AppleDNSSDService>(

+ new AppleDNSSDService());

+#else

+ dnsSDService_ = boost::shared_ptr<AvahiDNSSDService>(

+ new AvahiDNSSDService());

+#endif

+ dnsSDService_->onServiceRegistered.connect

+ (boost::bind(&Server::handleServiceRegistered, this, _1));

+ linkLocalRoster_ = boost::shared_ptr<LinkLocalRoster>(

+ new LinkLocalRoster(dnsSDService_));

+ linkLocalRoster_->onRosterChanged.connect(

+ boost::bind(&Server::handleRosterChanged, this, _1));

+ linkLocalRoster_->onPresenceChanged.connect(

+ boost::bind(&Server::handlePresenceChanged, this, _1));

+ dnsSDService_->start();

+ }

+

+ private:

+ void handleNewClientConnection(boost::shared_ptr<Connection> c) {

+ if (serverFromClientSession_) {

+ c->disconnect();

+ }

+ serverFromClientSession_ = boost::shared_ptr<ServerFromClientSession>(new ServerFromClientSession(idGenerator_.generateID(), c, &payloadParserFactories_, &payloadSerializers_, &userRegistry_));

+ serverFromClientSession_->onElementReceived.connect(boost::bind(&Server::handleElementReceived, this, _1, serverFromClientSession_));

+ serverFromClientSession_->onSessionFinished.connect(boost::bind(&Server::handleSessionFinished, this, serverFromClientSession_));

+ tracers_.push_back(boost::shared_ptr<SessionTracer>(new SessionTracer(serverFromClientSession_)));

+ serverFromClientSession_->startSession();

+ }

+

+ void handleNewLinkLocalConnection(boost::shared_ptr<Connection> connection) {

+ boost::shared_ptr<IncomingLinkLocalSession> session(

+ new IncomingLinkLocalSession(

+ selfJID_, connection,

+ &payloadParserFactories_, &payloadSerializers_));

+ registerLinkLocalSession(session);

+ }

+

+ void handleServiceRegistered(const DNSSDService::Service& service) {

+ std::cout << "Service registered " << service.name << " " << service.type << " " << service.domain << std::endl;

+ selfJID_ = JID(service.name);

+ }

+

+ void handleSessionFinished(boost::shared_ptr<ServerFromClientSession>) {

+ serverFromClientSession_.reset();

+ unregisterService();

+ selfJID_ = JID();

+ rosterRequested_ = false;

+ }

+

+ void handleLinkLocalSessionFinished(boost::shared_ptr<Session> session) {

+ std::cout << "Link local session from " << session->getRemoteJID() << " ended" << std::endl;

+ linkLocalSessions_.erase(std::remove(linkLocalSessions_.begin(), linkLocalSessions_.end(), session), linkLocalSessions_.end());

+ }

+

+ void handleLinkLocalElementReceived(boost::shared_ptr<Element> element, boost::shared_ptr<Session> session) {

+ if (boost::shared_ptr<Stanza> stanza = boost::dynamic_pointer_cast<Stanza>(element)) {

+ JID fromJID = session->getRemoteJID();

+ if (!linkLocalRoster_->hasItem(fromJID)) {

+ return; // TODO: Queue

+ }

+ stanza->setFrom(fromJID);

+ serverFromClientSession_->sendElement(stanza);

+ }

+ }

+

+ void unregisterService() {

+ if (dnsSDServiceRegistered_) {

+ dnsSDServiceRegistered_ = false;

+ dnsSDService_->unregisterService();

+ }

+ }

+

+ void handleElementReceived(boost::shared_ptr<Element> element, boost::shared_ptr<ServerFromClientSession> session) {

+ boost::shared_ptr<Stanza> stanza = boost::dynamic_pointer_cast<Stanza>(element);

+ if (!stanza) {

+ return;

+ }

+

+ stanza->setFrom(session->getRemoteJID());

+ if (!stanza->getTo().isValid()) {

+ stanza->setTo(session->getLocalJID());

+ }

+

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

+ if (presence->getType() == Presence::Available) {

+ if (!dnsSDServiceRegistered_) {

+ dnsSDServiceRegistered_ = true;

+ dnsSDService_->registerService(session->getRemoteJID().toBare().toString(), linkLocalConnectionPort_, getLinkLocalServiceInfo(presence));

+ }

+ else {

+ dnsSDService_->updateService(getLinkLocalServiceInfo(presence));

+ }

+ }

+ else {

+ unregisterService();

+ }

+ }

+ else if (!stanza->getTo().isValid() || stanza->getTo() == session->getLocalJID() || stanza->getTo() == session->getRemoteJID().toBare()) {

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

+ if (iq->getPayload<RosterPayload>()) {

+ if (iq->getType() == IQ::Get) {

+ session->sendElement(IQ::createResult(iq->getFrom(), iq->getID(), linkLocalRoster_->getRoster()));

+ rosterRequested_ = true;

+ foreach(const boost::shared_ptr<Presence> presence, linkLocalRoster_->getAllPresence()) {

+ session->sendElement(presence);

+ }

+ }

+ else {

+ session->sendElement(IQ::createError(iq->getFrom(), iq->getID(), Error::Forbidden, Error::Cancel));

+ }

+ }

+ if (iq->getPayload<VCard>()) {

+ if (iq->getType() == IQ::Get) {

+ boost::shared_ptr<VCard> vcard(new VCard());

+ vcard->setNickname(iq->getFrom().getNode());

+ session->sendElement(IQ::createResult(iq->getFrom(), iq->getID(), vcard));

+ }

+ else {

+ session->sendElement(IQ::createError(iq->getFrom(), iq->getID(), Error::Forbidden, Error::Cancel));

+ }

+ }

+ else {

+ session->sendElement(IQ::createError(iq->getFrom(), iq->getID(), Error::FeatureNotImplemented, Error::Cancel));

+ }

+ }

+ }

+ else {

+ JID toJID = stanza->getTo();

+ boost::shared_ptr<Session> outgoingSession =

+ getLinkLocalSessionForJID(toJID);

+ if (outgoingSession) {

+ outgoingSession->sendElement(stanza);

+ }

+ else {

+ if (linkLocalRoster_->hasItem(toJID)) {

+ boost::shared_ptr<LinkLocalConnector> connector =

+ getLinkLocalConnectorForJID(toJID);

+ if (!connector) {

+ connector = boost::shared_ptr<LinkLocalConnector>(

+ new LinkLocalConnector(

+ toJID,

+ linkLocalRoster_->getHostname(toJID),

+ linkLocalRoster_->getPort(toJID),

+ dnsSDService_,

+ boost::shared_ptr<BoostConnection>(new BoostConnection(&boostIOServiceThread_.getIOService()))));

+ connector->onConnectFinished.connect(

+ boost::bind(&Server::handleConnectFinished, this, connector, _1));

+ connectors_.push_back(connector);

+ connector->connect();

+ }

+ connector->queueElement(element);

+ }

+ else {

+ session->sendElement(IQ::createError(

+ stanza->getFrom(), stanza->getID(),

+ Error::RecipientUnavailable, Error::Wait));

+ }

+ }

+ }

+ }

+

+ void handleConnectFinished(boost::shared_ptr<LinkLocalConnector> connector, bool error) {

+ if (error) {

+ std::cerr << "Error connecting" << std::endl;

+ // TODO: Send back queued stanzas

+ }

+ else {

+ boost::shared_ptr<OutgoingLinkLocalSession> outgoingSession(

+ new OutgoingLinkLocalSession(

+ selfJID_, connector->getRemoteJID(), connector->getConnection(),

+ &payloadParserFactories_, &payloadSerializers_));

+ foreach(const boost::shared_ptr<Element> element, connector->getQueuedElements()) {

+ outgoingSession->queueElement(element);

+ }

+ registerLinkLocalSession(outgoingSession);

+ }

+ connectors_.erase(std::remove(connectors_.begin(), connectors_.end(), connector), connectors_.end());

+ }

+

+

+ void registerLinkLocalSession(boost::shared_ptr<Session> session) {

+ session->onSessionFinished.connect(boost::bind(&Server::handleLinkLocalSessionFinished, this, session));

+ session->onElementReceived.connect(boost::bind(&Server::handleLinkLocalElementReceived, this, _1, session));

+ linkLocalSessions_.push_back(session);

+ tracers_.push_back(boost::shared_ptr<SessionTracer>(new SessionTracer(session)));

+ session->startSession();

+ }

+

+ boost::shared_ptr<Session> getLinkLocalSessionForJID(const JID& jid) {

+ foreach(const boost::shared_ptr<Session> session, linkLocalSessions_) {

+ if (session->getRemoteJID() == jid) {

+ return session;

+ }

+ }

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

+ }

+

+ boost::shared_ptr<LinkLocalConnector> getLinkLocalConnectorForJID(const JID& jid) {

+ foreach(const boost::shared_ptr<LinkLocalConnector> connector, connectors_) {

+ if (connector->getRemoteJID() == jid) {

+ return connector;

+ }

+ }

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

+ }

+

+ void handleRosterChanged(boost::shared_ptr<RosterPayload> roster) {

+ if (rosterRequested_) {

+ boost::shared_ptr<IQ> iq = IQ::createRequest(IQ::Set, serverFromClientSession_->getRemoteJID(), idGenerator_.generateID(), roster);

+ iq->setFrom(serverFromClientSession_->getRemoteJID().toBare());

+ serverFromClientSession_->sendElement(iq);

+ }

+ }

+

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

+ if (rosterRequested_) {

+ serverFromClientSession_->sendElement(presence);

+ }

+ }

+

+ LinkLocalServiceInfo getLinkLocalServiceInfo(boost::shared_ptr<Presence> presence) {

+ LinkLocalServiceInfo info;

+ info.setFirstName("Remko");

+ info.setLastName("Tron\xc3\xa7on");

+ info.setEMail("email@example.com");

+ info.setJID(JID("jid@example.com"));

+ info.setMessage(presence->getStatus());

+ info.setNick("Remko");

+ switch (presence->getShow()) {

+ case StatusShow::Online:

+ case StatusShow::None:

+ case StatusShow::FFC:

+ info.setStatus(LinkLocalServiceInfo::Available);

+ break;

+ case StatusShow::Away:

+ case StatusShow::XA:

+ info.setStatus(LinkLocalServiceInfo::Away);

+ break;

+ case StatusShow::DND:

+ info.setStatus(LinkLocalServiceInfo::DND);

+ break;

+ }

+ info.setPort(linkLocalConnectionPort_);

+ return info;

+ }

+

+ private:

+ IDGenerator idGenerator_;

+ BoostIOServiceThread boostIOServiceThread_;

+ DummyUserRegistry userRegistry_;

+ boost::shared_ptr<DNSSDService> dnsSDService_;

+ boost::shared_ptr<LinkLocalRoster> linkLocalRoster_;

+ boost::shared_ptr<BoostConnectionServer> serverFromClientConnectionServer_;

+ boost::shared_ptr<ServerFromClientSession> serverFromClientSession_;

+ boost::shared_ptr<BoostConnectionServer> serverFromNetworkConnectionServer_;

+ std::vector< boost::shared_ptr<SessionTracer> > tracers_;

+ std::vector< boost::shared_ptr<Session> > linkLocalSessions_;

+ std::vector< boost::shared_ptr<LinkLocalConnector> > connectors_;

+ FullPayloadParserFactoryCollection payloadParserFactories_;

+ FullPayloadSerializerCollection payloadSerializers_;

+ bool dnsSDServiceRegistered_;

+ bool rosterRequested_;

+ int clientConnectionPort_;

+ int linkLocalConnectionPort_;

+ JID selfJID_;

+};

+

+int main() {

+ SimpleEventLoop eventLoop;

+ Server server(5222, 5562);

+ eventLoop.run();

+ return 0;

+}