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));

			if (buddyInfo.settings.find("icon_hash") != buddyInfo.settings.end())

				buddy->setIconHash(buddyInfo.settings.find("icon_hash")->second.s);

			return buddy;

		}

	private:

		NetworkPluginServer *m_nps;

};

// Wraps google protobuf payload into WrapperMessage and serialize it to string

#define WRAP(MESSAGE, TYPE) 	pbnetwork::WrapperMessage wrap; \

	wrap.set_type(TYPE); \

	wrap.set_payload(MESSAGE); \

	wrap.SerializeToString(&MESSAGE);

// Executes new backend

static unsigned long exec_(std::string path, const char *host, const char *port, const char *config) {

	std::string original_path = path;

	// BACKEND_ID is replaced with unique ID. The ID is increasing for every backend.

	boost::replace_all(path, "BACKEND_ID", boost::lexical_cast<std::string>(backend_id++));

	// Add host and port.

	path += std::string(" --host ") + host + " --port " + port + " " + config;

	LOG4CXX_INFO(logger, "Starting new backend " << path);

#ifdef _WIN32

	STARTUPINFO         si;

	PROCESS_INFORMATION pi;

	ZeroMemory (&si, sizeof(si));

	si.cb=sizeof (si);

	if (! CreateProcess(

	NULL,

	(LPSTR)path.c_str(),         // command line

	0,                    // process attributes

	0,                    // thread attributes

	0,                    // inherit handles

	0,                    // creation flags

	0,                    // environment

	0,                    // cwd

	&si,

	&pi

	)

	)  {

		LOG4CXX_ERROR(logger, "Could not start process");

	}

	return 0;

#else

	// Create array of char * from string using -lpopt library

	char *p = (char *) malloc(path.size() + 1);

	strcpy(p, path.c_str());

	int argc;

	char **argv;

	poptParseArgvString(p, &argc, (const char ***) &argv);

	// fork and exec

	pid_t pid = fork();

	if ( pid == 0 ) {

		setsid();

		// child process

		exit(execv(argv[0], argv));

	} else if ( pid < 0 ) {

		// fork failed

	}

	free(p);

	return (unsigned long) pid;

#endif

}

#ifndef _WIN32

static void SigCatcher(int n) {

	pid_t result;

	int status;

	// Read exit code from all children to not have zombies arround

	// WARNING: Do not put LOG4CXX_ here, because it can lead to deadlock

		if (result != 0) {

			if (WIFEXITED(status)) {

				if (WEXITSTATUS(status) != 0) {

// 					LOG4CXX_ERROR(logger, "Backend can not be started, exit_code=" << WEXITSTATUS(status));

				}

			}

			else {

// 				LOG4CXX_ERROR(logger, "Backend can not be started");

			}

		}

	}

}

#endif

static void handleBuddyPayload(LocalBuddy *buddy, const pbnetwork::Buddy &payload) {

	buddy->setName(payload.buddyname());

	// Set alias only if it's not empty. Backends are allowed to send empty alias if it has

	// not changed.

	if (!payload.alias().empty()) {

		buddy->setAlias(payload.alias());

	}

	// Change groups if it's not empty. The same as above...

	std::vector<std::string> groups;

	for (int i = 0; i < payload.group_size(); i++) {

		groups.push_back(payload.group(i));

	}

	if (!groups.empty()) {

		buddy->setGroups(groups);

	}

	buddy->setStatus(Swift::StatusShow((Swift::StatusShow::Type) payload.status()), payload.statusmessage());

	buddy->setIconHash(payload.iconhash());

	buddy->setBlocked(payload.blocked());

}

NetworkPluginServer::NetworkPluginServer(Component *component, Config *config, UserManager *userManager, FileTransferManager *ftManager) {

	m_ftManager = ftManager;

	m_userManager = userManager;

	m_config = config;

	m_component = component;

	m_isNextLongRun = false;

	m_component->m_factory = new NetworkFactory(this);

	m_userManager->onUserCreated.connect(boost::bind(&NetworkPluginServer::handleUserCreated, this, _1));

	m_userManager->onUserDestroyed.connect(boost::bind(&NetworkPluginServer::handleUserDestroyed, this, _1));

	m_pingTimer = component->getNetworkFactories()->getTimerFactory()->createTimer(20000);

	m_pingTimer->onTick.connect(boost::bind(&NetworkPluginServer::pingTimeout, this));

	m_pingTimer->start();

	if (CONFIG_INT(m_config, "service.memory_collector_time") != 0) {

		m_collectTimer = component->getNetworkFactories()->getTimerFactory()->createTimer(CONFIG_INT(m_config, "service.memory_collector_time"));

		m_collectTimer->onTick.connect(boost::bind(&NetworkPluginServer::collectBackend, this));

		m_collectTimer->start();

	}

	m_vcardResponder = new VCardResponder(component->getIQRouter(), component->getNetworkFactories(), userManager);

	m_vcardResponder->onVCardRequired.connect(boost::bind(&NetworkPluginServer::handleVCardRequired, this, _1, _2, _3));

	m_vcardResponder->onVCardUpdated.connect(boost::bind(&NetworkPluginServer::handleVCardUpdated, this, _1, _2));

	m_vcardResponder->start();

	m_rosterResponder = new RosterResponder(component->getIQRouter(), userManager);

	m_rosterResponder->onBuddyAdded.connect(boost::bind(&NetworkPluginServer::handleBuddyAdded, this, _1, _2));

	m_rosterResponder->onBuddyRemoved.connect(boost::bind(&NetworkPluginServer::handleBuddyRemoved, this, _1));

	m_rosterResponder->onBuddyUpdated.connect(boost::bind(&NetworkPluginServer::handleBuddyUpdated, this, _1, _2));

	m_rosterResponder->start();

	m_blockResponder = new BlockResponder(component->getIQRouter(), userManager);

	m_blockResponder->onBlockToggled.connect(boost::bind(&NetworkPluginServer::handleBlockToggled, this, _1));

	m_blockResponder->start();

	m_server = component->getNetworkFactories()->getConnectionServerFactory()->createConnectionServer(Swift::HostAddress(CONFIG_STRING(m_config, "service.backend_host")), boost::lexical_cast<int>(CONFIG_STRING(m_config, "service.backend_port")));

	m_server->onNewConnection.connect(boost::bind(&NetworkPluginServer::handleNewClientConnection, this, _1));

	m_server->start();

	LOG4CXX_INFO(logger, "Listening on host " << CONFIG_STRING(m_config, "service.backend_host") << " port " << CONFIG_STRING(m_config, "service.backend_port"));

#ifndef _WIN32

	signal(SIGCHLD, SigCatcher);

#endif

	exec_(CONFIG_STRING(m_config, "service.backend"), CONFIG_STRING(m_config, "service.backend_host").c_str(), CONFIG_STRING(m_config, "service.backend_port").c_str(), m_config->getConfigFile().c_str());

	LOG4CXX_INFO(logger, "Backend should now connect to Spectrum2 instance. Spectrum2 won't accept any connection before backend connects");

}

NetworkPluginServer::~NetworkPluginServer() {

	for (std::list<Backend *>::const_iterator it = m_clients.begin(); it != m_clients.end(); it++) {

		LOG4CXX_INFO(logger, "Stopping backend " << *it);

		std::string message;

		pbnetwork::WrapperMessage wrap;

		wrap.set_type(pbnetwork::WrapperMessage_Type_TYPE_EXIT);

		wrap.SerializeToString(&message);

		Backend *c = (Backend *) *it;

		send(c->connection, message);

	}