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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 <boost/shared_ptr.hpp>
#include <boost/cstdint.hpp>
#include <Swiften/Base/API.h>
#include <Swiften/Base/IDGenerator.h>
#include <Swiften/Network/Timer.h>
#include <Swiften/Jingle/JingleSession.h>
#include <Swiften/Jingle/JingleContentID.h>
#include <Swiften/FileTransfer/IncomingFileTransfer.h>
#include <Swiften/FileTransfer/JingleTransport.h>
#include <Swiften/FileTransfer/JingleIncomingIBBTransport.h>
#include <Swiften/FileTransfer/SOCKS5BytestreamClientSession.h>
#include <Swiften/FileTransfer/SOCKS5BytestreamServerSession.h>
#include <Swiften/Elements/JingleContentPayload.h>
#include <Swiften/Elements/JingleFileTransferDescription.h>
#include <Swiften/Elements/JingleIBBTransportPayload.h>
#include <Swiften/Elements/JingleS5BTransportPayload.h>
#include <Swiften/Elements/S5BProxyRequest.h>
#include <Swiften/Elements/ErrorPayload.h>
namespace Swift {
class IQRouter;
class RemoteJingleTransportCandidateSelectorFactory;
class LocalJingleTransportCandidateGeneratorFactory;
class RemoteJingleTransportCandidateSelector;
class LocalJingleTransportCandidateGenerator;
class SOCKS5BytestreamRegistry;
class SOCKS5BytestreamProxy;
class IncrementalBytestreamHashCalculator;
class CryptoProvider;
class SWIFTEN_API IncomingJingleFileTransfer : public IncomingFileTransfer {
public:
typedef boost::shared_ptr<IncomingJingleFileTransfer> ref;
enum State {
Initial,
CreatingInitialTransports,
NegotiatingTransport,
Transferring,
WaitingForFallbackOrTerminate,
Terminated
};
IncomingJingleFileTransfer(
const JID& recipient,
JingleSession::ref,
JingleContentPayload::ref content,
RemoteJingleTransportCandidateSelectorFactory*,
LocalJingleTransportCandidateGeneratorFactory*,
IQRouter* router,
SOCKS5BytestreamRegistry* bytestreamRegistry,
SOCKS5BytestreamProxy* bytestreamProxy,
TimerFactory*,
CryptoProvider*);
~IncomingJingleFileTransfer();
virtual void accept(WriteBytestream::ref);
virtual const JID& getSender() const;
virtual const JID& getRecipient() const;
void cancel();
private:
void handleSessionTerminateReceived(boost::optional<JinglePayload::Reason>);
void handleSessionInfoReceived(JinglePayload::ref);
void handleTransportReplaceReceived(const JingleContentID&, JingleTransportPayload::ref);
void handleTransportInfoReceived(const JingleContentID&, JingleTransportPayload::ref);
void handleLocalTransportCandidatesGenerated(JingleTransportPayload::ref candidates);
void handleRemoteTransportCandidateSelectFinished(JingleTransportPayload::ref candidate);
void setActiveTransport(JingleTransport::ref transport);
void handleTransportDataReceived(const std::vector<unsigned char>& data);
void handleWriteStreamDataReceived(const std::vector<unsigned char>& data);
void stopActiveTransport();
void checkCandidateSelected();
JingleIncomingIBBTransport::ref createIBBTransport(JingleIBBTransportPayload::ref ibbTransport);
JingleContentID getContentID() const;
void checkIfAllDataReceived();
bool verifyReceviedData();
void finishOffTransfer();
void handleTransferFinished(boost::optional<FileTransferError>);
private:
typedef std::map<std::string, JingleS5BTransportPayload::Candidate> CandidateMap;
private:
void activateProxySession(const JID &proxy);
void handleActivateProxySessionResult(boost::shared_ptr<S5BProxyRequest> request, ErrorPayload::ref error);
void proxySessionReady(const JID& proxy, bool error);
private:
void useOurCandidateChoiceForTransfer(JingleS5BTransportPayload::Candidate candidate);
void useTheirCandidateChoiceForTransfer(JingleS5BTransportPayload::Candidate candidate);
void decideOnUsedTransport();
void fillCandidateMap(CandidateMap& map, JingleS5BTransportPayload::ref s5bPayload);
private:
JID ourJID;
JingleSession::ref session;
IQRouter* router;
JingleContentPayload::ref initialContent;
CryptoProvider* crypto;
State state;
JingleFileTransferDescription::ref description;
WriteBytestream::ref stream;
boost::uintmax_t receivedBytes;
IncrementalBytestreamHashCalculator* hashCalculator;
Timer::ref waitOnHashTimer;
IDGenerator idGenerator;
RemoteJingleTransportCandidateSelector* candidateSelector;
LocalJingleTransportCandidateGenerator* candidateGenerator;
SOCKS5BytestreamRegistry* s5bRegistry;
SOCKS5BytestreamProxy* s5bProxy;
bool remoteTransportCandidateSelectFinished;
JingleTransportPayload::ref selectedRemoteTransportCandidate;
bool localTransportCandidateSelectFinished;
JingleTransportPayload::ref selectedLocalTransportCandidate;
JingleS5BTransportPayload::ref ourCandidate;
JingleS5BTransportPayload::ref theirCandidate;
CandidateMap ourCandidates;
CandidateMap theirCandidates;
SOCKS5BytestreamClientSession::ref clientSession;
std::string s5bDestination;
std::string s5bSessionID;
SOCKS5BytestreamServerSession* serverSession;
JingleTransport::ref activeTransport;
};
}
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Swift