pbnetwork::File payload;

	if (payload.ParseFromString(data) == false) {

		// TODO: ERROR

		return;

	}

	User *user = m_userManager->getUser(payload.username());

	if (!user)

		return;

	LOG4CXX_INFO(logger, "handleFTStartPayload " << payload.filename() << " " << payload.buddyname());

	LocalBuddy *buddy = (LocalBuddy *) user->getRosterManager()->getBuddy(payload.buddyname());

	if (!buddy) {

		// TODO: escape? reject?

		return;

	}

	Swift::StreamInitiationFileInfo fileInfo;

	fileInfo.setSize(payload.size());

	fileInfo.setName(payload.filename());

	Backend *c = (Backend *) user->getData();

	boost::shared_ptr<MemoryReadBytestream> bytestream(new MemoryReadBytestream(payload.size()));

	bytestream->onDataNeeded.connect(boost::bind(&NetworkPluginServer::handleFTDataNeeded, this, c, bytestream_id + 1));

	LOG4CXX_INFO(logger, "jid=" << buddy->getJID());

	FileTransferManager::Transfer transfer = m_ftManager->sendFile(user, buddy, bytestream, fileInfo);

	if (!transfer.ft) {

		handleFTRejected(user, payload.buddyname(), payload.filename(), payload.size());

		return;

	}

	m_filetransfers[++bytestream_id] = transfer;

#if !HAVE_SWIFTEN_3

	transfer.ft->onStateChange.connect(boost::bind(&NetworkPluginServer::handleFTStateChanged, this, _1, payload.username(), payload.buddyname(), payload.filename(), payload.size(), bytestream_id));

	transfer.ft->start();

#endif

}

void NetworkPluginServer::handleFTFinishPayload(const std::string &data) {

	pbnetwork::File payload;

	if (payload.ParseFromString(data) == false) {

		// TODO: ERROR

		return;

	}

	if (payload.has_ftid()) {

		if (m_filetransfers.find(payload.ftid()) != m_filetransfers.end()) {

			FileTransferManager::Transfer &transfer = m_filetransfers[payload.ftid()];

			transfer.ft->cancel();

		}

		else {

			LOG4CXX_ERROR(logger, "FTFinishPayload for unknown ftid=" << payload.ftid());

		}

	}

}

void NetworkPluginServer::handleFTDataPayload(Backend *b, const std::string &data) {

	pbnetwork::FileTransferData payload;

	if (payload.ParseFromString(data) == false) {

		// TODO: ERROR

		return;

	}

// 	User *user = m_userManager->getUser(payload.username());

// 	if (!user)

// 		return;

	if (m_filetransfers.find(payload.ftid()) == m_filetransfers.end()) {

		LOG4CXX_ERROR(logger, "Uknown filetransfer with id " << payload.ftid());

		return;

	}

	FileTransferManager::Transfer &transfer = m_filetransfers[payload.ftid()];

	MemoryReadBytestream *bytestream = (MemoryReadBytestream *) transfer.readByteStream.get();

	if (bytestream->appendData(payload.data()) > 5000000) {

		pbnetwork::FileTransferData f;

		f.set_ftid(payload.ftid());

		f.set_data("");

		std::string message;

		f.SerializeToString(&message);

		WRAP(message, pbnetwork::WrapperMessage_Type_TYPE_FT_PAUSE);

		send(b->connection, message);

	}

}

void NetworkPluginServer::handleFTDataNeeded(Backend *b, unsigned long ftid) {

	pbnetwork::FileTransferData f;

	f.set_ftid(ftid);

	f.set_data("");

	std::string message;

	f.SerializeToString(&message);

	WRAP(message, pbnetwork::WrapperMessage_Type_TYPE_FT_CONTINUE);

	send(b->connection, message);

}

void NetworkPluginServer::connectWaitingUsers() {

	// some users are in queue waiting for this backend

	while(!m_waitingUsers.empty()) {

		// There's no new backend, so stop associating users and wait for new backend,

		// which has been already spawned in getFreeClient() call.

		if (getFreeClient(true, false, true) == NULL)

			break;

		User *u = m_waitingUsers.front();

		m_waitingUsers.pop_front();

		LOG4CXX_INFO(logger, "Associating " << u->getJID().toString() << " with this backend");

		// associate backend with user

		handleUserCreated(u);

		// connect user if it's ready

		if (u->isReadyToConnect()) {

			handleUserReadyToConnect(u);

		}

	}

}

void NetworkPluginServer::handlePongReceived(Backend *c) {

	// This could be first PONG from the backend

	if (c->pongReceived == -1) {

		// Backend is fully ready to handle requests

		c->willDie = false;

		if (m_firstPong) {

			// first backend connected, start the server, we're ready.

			m_component->start();

			m_firstPong = false;

		}

		connectWaitingUsers();

	}

	c->pongReceived = true;

}

void NetworkPluginServer::handleQueryPayload(Backend *b, const std::string &data) {

	pbnetwork::BackendConfig payload;

	if (payload.ParseFromString(data) == false) {

		// TODO: ERROR

		return;

	}

	if (!m_adminInterface) {

		return;

	}

	boost::shared_ptr<Swift::Message> msg(new Swift::Message());

	msg->setBody(payload.config());

	m_adminInterface->handleQuery(msg);

	pbnetwork::BackendConfig response;

	response.set_config(msg->getBody());

	std::string message;

	response.SerializeToString(&message);

	WRAP(message, pbnetwork::WrapperMessage_Type_TYPE_QUERY);

	send(b->connection, message);

}

void NetworkPluginServer::handleBackendConfigPayload(const std::string &data) {

	pbnetwork::BackendConfig payload;

	if (payload.ParseFromString(data) == false) {

		// TODO: ERROR

		return;

	}

	m_config->updateBackendConfig(payload.config());

}

void NetworkPluginServer::handleRoomListPayload(const std::string &data) {

	pbnetwork::RoomList payload;

	if (payload.ParseFromString(data) == false) {

		// TODO: ERROR

		return;

	}

	m_component->getFrontend()->clearRoomList();

	for (int i = 0; i < payload.room_size() && i < payload.name_size(); i++) {

	}

}

#if HAVE_SWIFTEN_3

void NetworkPluginServer::handleElement(boost::shared_ptr<Swift::ToplevelElement> element) {

#else

void NetworkPluginServer::handleElement(boost::shared_ptr<Swift::Element> element) {

#endif

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

	if (!stanza) {

		return;

	}

	User *user = m_userManager->getUser(stanza->getTo().toBare());

	if (!user)

		return;

	Swift::JID originalJID = stanza->getFrom();

	NetworkConversation *conv = (NetworkConversation *) user->getConversationManager()->getConversation(originalJID.toBare());

	LocalBuddy *buddy = (LocalBuddy *) user->getRosterManager()->getBuddy(stanza->getFrom().toBare());

	if (buddy) {

		const Swift::JID &jid = buddy->getJID();

		if (stanza->getFrom().getResource().empty()) {

			stanza->setFrom(Swift::JID(jid.getNode(), jid.getDomain()));

		}

		else {

			stanza->setFrom(Swift::JID(jid.getNode(), jid.getDomain(), stanza->getFrom().getResource()));

		}

	}

	else {

		std::string name = stanza->getFrom().toBare();

		if (conv && conv->isMUC()) {

			if (name.find_last_of("@") != std::string::npos) {

				name.replace(name.find_last_of("@"), 1, "%");

			}

		}

		else {

			if (CONFIG_BOOL_DEFAULTED(m_config, "service.jid_escaping", true)) {

				name = Swift::JID::getEscapedNode(name);

			}

			else {

				if (name.find_last_of("@") != std::string::npos) {

					name.replace(name.find_last_of("@"), 1, "%");

				}

			}

		}

		if (stanza->getFrom().getResource().empty()) {

			stanza->setFrom(Swift::JID(name, m_component->getJID().toString()));

		}

		else {

			stanza->setFrom(Swift::JID(name, m_component->getJID().toString(), stanza->getFrom().getResource()));

		}

	}

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

	if (message) {

		if (conv) {

			conv->handleRawMessage(message);

			return;

		}

		m_component->getFrontend()->sendMessage(message);

		return;

	}

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

	if (presence) {

		if (buddy) {

			if (!buddy->isAvailable() && presence->getType() != Swift::Presence::Unavailable) {

				buddy->m_status.setType(Swift::StatusShow::Online);

			}

			buddy->handleRawPresence(presence);

		}

		else if (conv) {

			conv->handleRawPresence(presence);

		}

		else {

			m_component->getFrontend()->sendPresence(presence);

		}

		return;

	}

	// TODO: FIX TO MAKE RAW XML BACKENDS WORKING AGAIN.

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

// 	if (iq) {

// 		if (m_id2resource.find(stanza->getTo().toBare().toString() + stanza->getID()) != m_id2resource.end()) {

// 			iq->setTo(Swift::JID(iq->getTo().getNode(), iq->getTo().getDomain(), m_id2resource[stanza->getTo().toBare().toString() + stanza->getID()]));

// 			m_id2resource.erase(stanza->getTo().toBare().toString() + stanza->getID());

// 		}

// 		else {

// 			Swift::Presence::ref highest = m_component->getPresenceOracle()->getHighestPriorityPresence(user->getJID());

// 			if (highest) {

// 			    iq->setTo(highest->getFrom());

// 			} else {

// 			    iq->setTo(user->getJID());

// 			}

// 		}

// 		m_component->getFrontend()->sendIQ(iq);

// 		return;

// 	}

}

void NetworkPluginServer::handleRawXML(const std::string &xml) {

	m_xmppParser->parse(xml);

}

void NetworkPluginServer::handleRawPresenceReceived(boost::shared_ptr<Swift::Presence> presence) {

	if (!CONFIG_BOOL_DEFAULTED(m_config, "features.rawxml", false)) {

		return;

	}

	User *user = m_userManager->getUser(presence->getFrom().toBare());

	if (!user)

		return;

	Backend *c = (Backend *) user->getData();

	if (!c) {

		return;

	}

	Swift::JID legacyname = Swift::JID(Buddy::JIDToLegacyName(presence->getTo()));

	if (!presence->getTo().getResource().empty()) {

		presence->setTo(Swift::JID(legacyname.getNode(), legacyname.getDomain(), presence->getTo().getResource()));

	}

	else {

		presence->setTo(Swift::JID(legacyname.getNode(), legacyname.getDomain()));

	}

	std::string xml = safeByteArrayToString(m_serializer->serializeElement(presence));

	WRAP(xml, pbnetwork::WrapperMessage_Type_TYPE_RAW_XML);

	send(c->connection, xml);

}

void NetworkPluginServer::handleRawIQReceived(boost::shared_ptr<Swift::IQ> iq) {

	User *user = m_userManager->getUser(iq->getFrom().toBare());

	if (!user)

		return;

	Backend *c = (Backend *) user->getData();

	if (!c) {

		return;

	}

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

		m_id2resource[iq->getFrom().toBare().toString() + iq->getID()] = iq->getFrom().getResource();

	}

	Swift::JID legacyname = Swift::JID(Buddy::JIDToLegacyName(iq->getTo()));

	if (!iq->getTo().getResource().empty()) {

		iq->setTo(Swift::JID(legacyname.getNode(), legacyname.getDomain(), iq->getTo().getResource()));

	}

	else {

		iq->setTo(Swift::JID(legacyname.getNode(), legacyname.getDomain()));

	}

	std::string xml = safeByteArrayToString(m_serializer->serializeElement(iq));

	WRAP(xml, pbnetwork::WrapperMessage_Type_TYPE_RAW_XML);

	send(c->connection, xml);

}

void NetworkPluginServer::handleDataRead(Backend *c, boost::shared_ptr<Swift::SafeByteArray> data) {

	// Append data to buffer

	c->data.insert(c->data.end(), data->begin(), data->end());

	// Parse data while there are some

	while (c->data.size() != 0) {

		// expected_size of wrapper message

		unsigned int expected_size;

		// if data is >= 4, we have whole header and we can

		// read expected_size.

		if (c->data.size() >= 4) {

			expected_size = *((unsigned int*) &c->data[0]);

			expected_size = ntohl(expected_size);

			// If we don't have whole wrapper message, wait for next

			// handleDataRead call.

			if (c->data.size() - 4 < expected_size)

				return;

		}

		else {

			return;

		}

		// Parse wrapper message and erase it from buffer.

		pbnetwork::WrapperMessage wrapper;

		if (wrapper.ParseFromArray(&c->data[4], expected_size) == false) {

			std::cout << "PARSING ERROR " << expected_size << "\n";

			c->data.erase(c->data.begin(), c->data.begin() + 4 + expected_size);

			continue;

		}

		c->data.erase(c->data.begin(), c->data.begin() + 4 + expected_size);