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/*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#pragma once
#include <deque>
#include <boost/signal.hpp>
#include <boost/shared_ptr.hpp>
#include "Swiften/Network/DomainNameServiceQuery.h"
#include "Swiften/Network/Connection.h"
#include "Swiften/Network/Timer.h"
#include "Swiften/Network/HostAddressPort.h"
#include "Swiften/Base/String.h"
#include "Swiften/Network/DomainNameResolveError.h"
namespace Swift {
class DomainNameAddressQuery;
class DomainNameResolver;
class ConnectionFactory;
class TimerFactory;
class Connector : public boost::bsignals::trackable, public boost::enable_shared_from_this<Connector> {
public:
typedef boost::shared_ptr<Connector> ref;
static Connector::ref create(const String& hostname, DomainNameResolver* resolver, ConnectionFactory* connectionFactory, TimerFactory* timerFactory) {
return Connector::ref(new Connector(hostname, resolver, connectionFactory, timerFactory));
}
void setTimeoutMilliseconds(int milliseconds);
void start();
boost::signal<void (boost::shared_ptr<Connection>)> onConnectFinished;
private:
Connector(const String& hostname, DomainNameResolver*, ConnectionFactory*, TimerFactory*);
void handleServiceQueryResult(const std::vector<DomainNameServiceQuery::Result>& result);
void handleAddressQueryResult(const std::vector<HostAddress>& address, boost::optional<DomainNameResolveError> error);
void queryAddress(const String& hostname);
void tryNextServiceOrFallback();
void tryNextAddress();
void tryConnect(const HostAddressPort& target);
void handleConnectionConnectFinished(bool error);
void finish(boost::shared_ptr<Connection>);
void handleTimeout();
private:
String hostname;
DomainNameResolver* resolver;
ConnectionFactory* connectionFactory;
TimerFactory* timerFactory;
int timeoutMilliseconds;
boost::shared_ptr<Timer> timer;
boost::shared_ptr<DomainNameServiceQuery> serviceQuery;
std::deque<DomainNameServiceQuery::Result> serviceQueryResults;
boost::shared_ptr<DomainNameAddressQuery> addressQuery;
std::deque<HostAddress> addressQueryResults;
bool queriedAllServices;
boost::shared_ptr<Connection> currentConnection;
};
};
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Swift