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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) 2013 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#pragma once
#include <boost/shared_ptr.hpp>
#include <boost/optional/optional.hpp>
#include <Swiften/Base/API.h>
#include <Swiften/Base/Override.h>
#include <Swiften/Jingle/JingleContentID.h>
#include <Swiften/Elements/StreamInitiationFileInfo.h>
#include <Swiften/FileTransfer/OutgoingFileTransfer.h>
#include <Swiften/FileTransfer/JingleFileTransfer.h>
#include <Swiften/FileTransfer/FileTransferOptions.h>
namespace Swift {
class ReadBytestream;
class IDGenerator;
class IncrementalBytestreamHashCalculator;
class CryptoProvider;
class FileTransferTransporter;
class FileTransferTransporterFactory;
class TransportSession;
class SWIFTEN_API OutgoingJingleFileTransfer : public OutgoingFileTransfer, public JingleFileTransfer {
public:
OutgoingJingleFileTransfer(
const JID& to,
boost::shared_ptr<JingleSession>,
boost::shared_ptr<ReadBytestream>,
FileTransferTransporterFactory*,
IDGenerator*,
const StreamInitiationFileInfo&,
const FileTransferOptions&,
CryptoProvider*);
virtual ~OutgoingJingleFileTransfer();
virtual void start() SWIFTEN_OVERRIDE;
virtual void cancel() SWIFTEN_OVERRIDE;
private:
enum State {
Initial,
GeneratingInitialLocalCandidates,
WaitingForAccept,
TryingCandidates,
WaitingForPeerProxyActivate,
WaitingForLocalProxyActivate,
WaitingForCandidateAcknowledge,
FallbackRequested,
Transferring,
Finished
};
virtual void handleSessionAcceptReceived(const JingleContentID&, boost::shared_ptr<JingleDescription>, boost::shared_ptr<JingleTransportPayload>) SWIFTEN_OVERRIDE;
virtual void handleSessionTerminateReceived(boost::optional<JinglePayload::Reason> reason) SWIFTEN_OVERRIDE;
virtual void handleTransportAcceptReceived(const JingleContentID&, boost::shared_ptr<JingleTransportPayload>) SWIFTEN_OVERRIDE;
virtual void startTransferViaRemoteCandidate() SWIFTEN_OVERRIDE;
virtual void startTransferViaLocalCandidate() SWIFTEN_OVERRIDE;
void startTransferringIfCandidateAcknowledged();
virtual void handleLocalTransportCandidatesGenerated(const std::string& s5bSessionID, const std::vector<JingleS5BTransportPayload::Candidate>&) SWIFTEN_OVERRIDE;
virtual void handleTransportInfoAcknowledged(const std::string& id) SWIFTEN_OVERRIDE;
virtual JingleContentID getContentID() const SWIFTEN_OVERRIDE;
virtual void terminate(JinglePayload::Reason::Type reason) SWIFTEN_OVERRIDE;
virtual void fallback() SWIFTEN_OVERRIDE;
void handleTransferFinished(boost::optional<FileTransferError>);
void sendSessionInfoHash();
virtual void startTransferring(boost::shared_ptr<TransportSession>) SWIFTEN_OVERRIDE;
virtual bool hasPriorityOnCandidateTie() const SWIFTEN_OVERRIDE;
virtual bool isWaitingForPeerProxyActivate() const SWIFTEN_OVERRIDE;
virtual bool isWaitingForLocalProxyActivate() const SWIFTEN_OVERRIDE;
virtual bool isTryingCandidates() const SWIFTEN_OVERRIDE;
virtual boost::shared_ptr<TransportSession> createLocalCandidateSession() SWIFTEN_OVERRIDE;
virtual boost::shared_ptr<TransportSession> createRemoteCandidateSession() SWIFTEN_OVERRIDE;
void stopAll();
void setState(State state);
void setFinishedState(FileTransfer::State::Type, const boost::optional<FileTransferError>& error);
static FileTransfer::State::Type getExternalState(State state);
private:
IDGenerator* idGenerator;
boost::shared_ptr<ReadBytestream> stream;
StreamInitiationFileInfo fileInfo;
FileTransferOptions options;
JingleContentID contentID;
IncrementalBytestreamHashCalculator* hashCalculator;
State state;
bool candidateAcknowledged;
boost::bsignals::connection processedBytesConnection;
boost::bsignals::connection transferFinishedConnection;
};
}
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Swift