for (GList *it = purple_get_conversations(); it; ) {

					PurpleConversation *conv = (PurpleConversation *) it->data;

					it = it->next;

					if (purple_conversation_get_account(conv) == account)

						purple_conversation_destroy(conv);

				}

				/* Remove this account's pounces */

					// purple_pounce_destroy_all_by_account(account);

				/* This will cause the deletion of an old buddy icon. */

				purple_buddy_icons_set_account_icon(account, NULL, 0);

				purple_account_destroy(account);

				// force returning of memory chunks allocated by libxml2 to kernel

				malloc_trim(0);

// 				VALGRIND_DO_LEAK_CHECK;

			}

		}

		void handleStatusChangeRequest(const std::string &user, int status, const std::string &statusMessage) {

			PurpleAccount *account = m_sessions[user];

			if (account) {

				int st;

				switch(status) {

					case Swift::StatusShow::Away: {

						st = PURPLE_STATUS_AWAY;

						if (!purple_account_get_status_type_with_primitive(account, PURPLE_STATUS_AWAY))

							st = PURPLE_STATUS_EXTENDED_AWAY;

						else

							st = PURPLE_STATUS_AWAY;

						break;

					}

					case Swift::StatusShow::DND: {

						st = PURPLE_STATUS_UNAVAILABLE;

						break;

					}

					case Swift::StatusShow::XA: {

						if (!purple_account_get_status_type_with_primitive(account, PURPLE_STATUS_EXTENDED_AWAY))

							st = PURPLE_STATUS_AWAY;

						else

							st = PURPLE_STATUS_EXTENDED_AWAY;

						break;

					}

					case Swift::StatusShow::None: {

						st = PURPLE_STATUS_OFFLINE;

						break;

					}

					default:

						st = PURPLE_STATUS_AVAILABLE;

						break;

				}

				gchar *_markup = purple_markup_escape_text(statusMessage.c_str(), -1);

				std::string markup(_markup);

				g_free(_markup);

				// we are already connected so we have to change status

				const PurpleStatusType *status_type = purple_account_get_status_type_with_primitive(account, (PurpleStatusPrimitive) st);

				if (status_type != NULL) {

					// send presence to legacy network

					if (!markup.empty()) {

						purple_account_set_status(account, purple_status_type_get_id(status_type), TRUE, "message", markup.c_str(), NULL);

					}

					else {

						purple_account_set_status(account, purple_status_type_get_id(status_type), TRUE, NULL);

					}

				}

			}

		}

		void handleMessageSendRequest(const std::string &user, const std::string &legacyName, const std::string &message, const std::string &xhtml) {

			PurpleAccount *account = m_sessions[user];

			if (account) {

				PurpleConversation *conv = purple_find_conversation_with_account(PURPLE_CONV_TYPE_IM, legacyName.c_str(), account);

				if (!conv) {

					conv = purple_conversation_new(PURPLE_CONV_TYPE_IM, account, legacyName.c_str());

				}

				if (xhtml.empty()) {

					gchar *_markup = purple_markup_escape_text(message.c_str(), -1);

					purple_conv_im_send(PURPLE_CONV_IM(conv), _markup);

					g_free(_markup);

				}

				else {

					purple_conv_im_send(PURPLE_CONV_IM(conv), xhtml.c_str());

				}

			}

		}

		void handleVCardRequest(const std::string &user, const std::string &legacyName, unsigned int id) {

			PurpleAccount *account = m_sessions[user];

			if (account) {

				std::string name = legacyName;

				if (CONFIG_STRING(config, "service.protocol") == "any" && legacyName.find("prpl-") == 0) {

					name = name.substr(name.find(".") + 1);

				}

				serv_get_info(purple_account_get_connection(account), name.c_str());

/**

 * libtransport -- C++ library for easy XMPP Transports development

 *

 * Copyright (C) 2011, Jan Kaluza <hanzz.k@gmail.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA

 */

#include "transport/networkpluginserver.h"

#include "transport/user.h"

#include "transport/transport.h"

#include "transport/storagebackend.h"

#include "transport/rostermanager.h"

#include "transport/usermanager.h"

#include "transport/conversationmanager.h"

#include "transport/localbuddy.h"

#include "transport/config.h"

#include "transport/conversation.h"

#include "transport/vcardresponder.h"

#include "transport/rosterresponder.h"

#include "blockresponder.h"

#include "Swiften/Swiften.h"

#include "Swiften/Server/ServerStanzaChannel.h"

#include "Swiften/Elements/StreamError.h"

#include "Swiften/Network/BoostConnectionServer.h"

#include "Swiften/Elements/AttentionPayload.h"

#include "Swiften/Elements/XHTMLIMPayload.h"

#include "pbnetwork.pb.h"

#include "sys/wait.h"

#include "sys/signal.h"

#include "log4cxx/logger.h"

#include "popt.h"

using namespace log4cxx;

namespace Transport {

static unsigned long backend_id;

static LoggerPtr logger = Logger::getLogger("NetworkPluginServer");

class NetworkConversation : public Conversation {

	public:

		NetworkConversation(ConversationManager *conversationManager, const std::string &legacyName, bool muc = false) : Conversation(conversationManager, legacyName, muc) {

		}

		// Called when there's new message to legacy network from XMPP network

		void sendMessage(boost::shared_ptr<Swift::Message> &message) {

			onMessageToSend(this, message);

		}

		boost::signal<void (NetworkConversation *, boost::shared_ptr<Swift::Message> &)> onMessageToSend;

};

class NetworkFactory : public Factory {

	public:

		NetworkFactory(NetworkPluginServer *nps) {

			m_nps = nps;

		}

		// Creates new conversation (NetworkConversation in this case)

		Conversation *createConversation(ConversationManager *conversationManager, const std::string &legacyName) {

			NetworkConversation *nc = new NetworkConversation(conversationManager, legacyName);

			nc->onMessageToSend.connect(boost::bind(&NetworkPluginServer::handleMessageReceived, m_nps, _1, _2));

			return nc;

		}

		// Creates new LocalBuddy

		Buddy *createBuddy(RosterManager *rosterManager, const BuddyInfo &buddyInfo) {

			LocalBuddy *buddy = new LocalBuddy(rosterManager, buddyInfo.id);

			buddy->setAlias(buddyInfo.alias);

			buddy->setName(buddyInfo.legacyName);

			buddy->setSubscription(buddyInfo.subscription);

			buddy->setGroups(buddyInfo.groups);

			buddy->setFlags((BuddyFlag) buddyInfo.flags);

	Backend *c = getFreeClient();

	// Add user to queue if there's no free backend to handle him so far.

	if (!c) {

		LOG4CXX_INFO(logger, "There is no backend to handle user " << user->getJID().toString() << ". Adding him to queue.");

		m_waitingUsers.push_back(user);

		return;

	}

	// Associate users with backend

	user->setData(c);

	c->users.push_back(user);

// 	UserInfo userInfo = user->getUserInfo();

	user->onReadyToConnect.connect(boost::bind(&NetworkPluginServer::handleUserReadyToConnect, this, user));

	user->onPresenceChanged.connect(boost::bind(&NetworkPluginServer::handleUserPresenceChanged, this, user, _1));

	user->onRoomJoined.connect(boost::bind(&NetworkPluginServer::handleRoomJoined, this, user, _1, _2, _3));

	user->onRoomLeft.connect(boost::bind(&NetworkPluginServer::handleRoomLeft, this, user, _1));

}

void NetworkPluginServer::handleUserReadyToConnect(User *user) {

	UserInfo userInfo = user->getUserInfo();

	pbnetwork::Login login;

	login.set_user(user->getJID().toBare());

	login.set_legacyname(userInfo.uin);

	login.set_password(userInfo.password);

	std::string message;

	login.SerializeToString(&message);

	WRAP(message, pbnetwork::WrapperMessage_Type_TYPE_LOGIN);

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

	if (!c) {

		return;

	}

	send(c->connection, message);

}

void NetworkPluginServer::handleUserPresenceChanged(User *user, Swift::Presence::ref presence) {

	if (presence->getShow() == Swift::StatusShow::None)

		return;

	UserInfo userInfo = user->getUserInfo();

	pbnetwork::Status status;

	status.set_username(user->getJID().toBare());

	status.set_statusmessage(presence->getStatus());

	std::string message;

	status.SerializeToString(&message);

	WRAP(message, pbnetwork::WrapperMessage_Type_TYPE_STATUS_CHANGED);

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

	if (!c) {

		return;

	}

	send(c->connection, message);

}

void NetworkPluginServer::handleRoomJoined(User *user, const std::string &r, const std::string &nickname, const std::string &password) {

	UserInfo userInfo = user->getUserInfo();

	pbnetwork::Room room;

	room.set_username(user->getJID().toBare());

	room.set_nickname(nickname);

	room.set_room(r);

	room.set_password(password);

	std::string message;

	room.SerializeToString(&message);

	WRAP(message, pbnetwork::WrapperMessage_Type_TYPE_JOIN_ROOM);

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

	if (!c) {

		return;

	}

	send(c->connection, message);

	NetworkConversation *conv = new NetworkConversation(user->getConversationManager(), r, true);

	conv->onMessageToSend.connect(boost::bind(&NetworkPluginServer::handleMessageReceived, this, _1, _2));

	conv->setNickname(nickname);

}

void NetworkPluginServer::handleRoomLeft(User *user, const std::string &r) {

	UserInfo userInfo = user->getUserInfo();

	pbnetwork::Room room;

	room.set_username(user->getJID().toBare());

	room.set_nickname("");

	room.set_room(r);

	room.set_password("");