1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/*
* Copyright (c) 2010-2013 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 <string>
#include <Swiften/Base/API.h>
#include <Swiften/Base/Override.h>
#include <Swiften/Jingle/JingleContentID.h>
#include <Swiften/FileTransfer/IncomingFileTransfer.h>
#include <Swiften/FileTransfer/JingleFileTransfer.h>
#include <Swiften/Elements/JingleS5BTransportPayload.h>
#include <Swiften/FileTransfer/FileTransferOptions.h>
namespace Swift {
class JID;
class JingleSession;
class JingleContentPayload;
class FileTransferTransporter;
class FileTransferTransporterFactory;
class TimerFactory;
class Timer;
class CryptoProvider;
class IncrementalBytestreamHashCalculator;
class JingleFileTransferDescription;
class SWIFTEN_API IncomingJingleFileTransfer : public IncomingFileTransfer, public JingleFileTransfer {
public:
typedef boost::shared_ptr<IncomingJingleFileTransfer> ref;
IncomingJingleFileTransfer(
const JID& recipient,
boost::shared_ptr<JingleSession>,
boost::shared_ptr<JingleContentPayload> content,
FileTransferTransporterFactory*,
TimerFactory*,
CryptoProvider*);
~IncomingJingleFileTransfer();
virtual void accept(boost::shared_ptr<WriteBytestream>, const FileTransferOptions&) SWIFTEN_OVERRIDE;
void cancel();
private:
enum State {
Initial,
GeneratingInitialLocalCandidates,
TryingCandidates,
WaitingForPeerProxyActivate,
WaitingForLocalProxyActivate,
WaitingForFallbackOrTerminate,
Transferring,
WaitingForHash,
Finished
};
virtual void handleSessionTerminateReceived(
boost::optional<JinglePayload::Reason> reason) SWIFTEN_OVERRIDE;
virtual void handleSessionInfoReceived(boost::shared_ptr<JinglePayload>) SWIFTEN_OVERRIDE;
virtual void handleTransportReplaceReceived(
const JingleContentID&, boost::shared_ptr<JingleTransportPayload>) SWIFTEN_OVERRIDE;
virtual void handleLocalTransportCandidatesGenerated(
const std::string& s5bSessionID,
const std::vector<JingleS5BTransportPayload::Candidate>&) SWIFTEN_OVERRIDE;
void handleWriteStreamDataReceived(const std::vector<unsigned char>& data);
void stopActiveTransport();
void checkCandidateSelected();
virtual JingleContentID getContentID() const SWIFTEN_OVERRIDE;
void checkIfAllDataReceived();
bool verifyData();
void handleWaitOnHashTimerTicked();
void handleTransferFinished(boost::optional<FileTransferError>);
private:
void startTransferViaRemoteCandidate();
void startTransferViaLocalCandidate();
void checkHashAndTerminate();
void stopAll();
void setState(State state);
void setFinishedState(FileTransfer::State::Type, const boost::optional<FileTransferError>& error);
const JID& getSender() const SWIFTEN_OVERRIDE;
const JID& getRecipient() const SWIFTEN_OVERRIDE;
static FileTransfer::State::Type getExternalState(State state);
virtual bool hasPriorityOnCandidateTie() const SWIFTEN_OVERRIDE;
virtual void fallback() SWIFTEN_OVERRIDE;
virtual void startTransferring(boost::shared_ptr<TransportSession>) 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;
virtual void terminate(JinglePayload::Reason::Type reason) SWIFTEN_OVERRIDE;
private:
boost::shared_ptr<JingleContentPayload> initialContent;
CryptoProvider* crypto;
State state;
boost::shared_ptr<JingleFileTransferDescription> description;
boost::shared_ptr<WriteBytestream> stream;
boost::uintmax_t receivedBytes;
IncrementalBytestreamHashCalculator* hashCalculator;
boost::shared_ptr<Timer> waitOnHashTimer;
std::string hashAlgorithm;
std::string hash;
FileTransferOptions options;
boost::bsignals::scoped_connection writeStreamDataReceivedConnection;
boost::bsignals::scoped_connection waitOnHashTimerTickedConnection;
boost::bsignals::connection transferFinishedConnection;
};
}
|