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/*
* Copyright (c) 2011 Tobias Markmann
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
/*
* Copyright (c) 2015 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#pragma once
#include <map>
#include <string>
#include <utility>
#include <vector>
#include <Swiften/Base/API.h>
#include <Swiften/Elements/S5BProxyRequest.h>
#include <Swiften/FileTransfer/SOCKS5BytestreamClientSession.h>
#include <Swiften/FileTransfer/SOCKS5BytestreamProxyFinder.h>
#include <Swiften/JID/JID.h>
namespace Swift {
class TimerFactory;
class ConnectionFactory;
class DomainNameResolver;
class DomainNameResolveError;
class IQRouter;
/**
* - manages list of working S5B proxies
* - creates initial connections (for the candidates you provide)
*/
class SWIFTEN_API SOCKS5BytestreamProxiesManager {
public:
SOCKS5BytestreamProxiesManager(ConnectionFactory*, TimerFactory*, DomainNameResolver*, IQRouter*, const JID&);
~SOCKS5BytestreamProxiesManager();
void addS5BProxy(S5BProxyRequest::ref);
/*
* Returns a list of external S5B proxies. If the optinal return value is not initialized a discovery process has been started and
* onDiscoveredProxiesChanged signal will be emitted when it is finished.
*/
const boost::optional<std::vector<S5BProxyRequest::ref> >& getOrDiscoverS5BProxies();
void connectToProxies(const std::string& sessionID);
boost::shared_ptr<SOCKS5BytestreamClientSession> getProxySessionAndCloseOthers(const JID& proxyJID, const std::string& sessionID);
boost::shared_ptr<SOCKS5BytestreamClientSession> createSOCKS5BytestreamClientSession(HostAddressPort addressPort, const std::string& destAddr);
public:
boost::signal<void ()> onDiscoveredProxiesChanged;
private:
void handleProxiesFound(std::vector<S5BProxyRequest::ref> proxyHosts);
void handleNameLookupResult(const std::vector<HostAddress>&, boost::optional<DomainNameResolveError>, S5BProxyRequest::ref proxy);
void queryForProxies();
void handleProxySessionReady(const std::string& sessionID, const JID& jid, boost::shared_ptr<SOCKS5BytestreamClientSession> session, bool error);
void handleProxySessionFinished(const std::string& sessionID, const JID& jid, boost::shared_ptr<SOCKS5BytestreamClientSession> session, boost::optional<FileTransferError> error);
private:
ConnectionFactory* connectionFactory_;
TimerFactory* timerFactory_;
DomainNameResolver* resolver_;
IQRouter* iqRouter_;
JID serviceRoot_;
typedef std::vector<std::pair<JID, boost::shared_ptr<SOCKS5BytestreamClientSession> > > ProxyJIDClientSessionVector;
typedef std::map<std::string, ProxyJIDClientSessionVector> ProxySessionsMap;
ProxySessionsMap proxySessions_;
boost::shared_ptr<SOCKS5BytestreamProxyFinder> proxyFinder_;
boost::optional<std::vector<S5BProxyRequest::ref> > localS5BProxies_;
};
}
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Swift