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
|
/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#ifndef D_BT_PIECE_MESSAGE_H
#define D_BT_PIECE_MESSAGE_H
#include "AbstractBtMessage.h"
namespace aria2 {
class Piece;
class DownloadContext;
class PeerStorage;
class BtPieceMessage : public AbstractBtMessage {
private:
size_t index_;
int32_t begin_;
int32_t blockLength_;
const unsigned char* data_;
DownloadContext* downloadContext_;
PeerStorage* peerStorage_;
bool checkPieceHash(const std::shared_ptr<Piece>& piece);
void onNewPiece(const std::shared_ptr<Piece>& piece);
void onWrongPiece(const std::shared_ptr<Piece>& piece);
void pushPieceData(int64_t offset, int32_t length) const;
public:
BtPieceMessage(size_t index = 0, int32_t begin = 0, int32_t blockLength = 0);
virtual ~BtPieceMessage();
static const uint8_t ID = 7;
static const char NAME[];
size_t getIndex() const { return index_; }
void setIndex(size_t index) { index_ = index; }
int32_t getBegin() const { return begin_; }
void setBegin(int32_t begin) { begin_ = begin; }
const unsigned char* getBlock() const { return data_ + 9; }
int32_t getBlockLength() const { return blockLength_; }
// Sets message payload data. Caller must not change or free data
// before doReceivedAction().
void setMsgPayload(const unsigned char* data);
void setBlockLength(int32_t blockLength) { blockLength_ = blockLength; }
void setDownloadContext(DownloadContext* downloadContext);
void setPeerStorage(PeerStorage* peerStorage);
static std::unique_ptr<BtPieceMessage> create(const unsigned char* data,
size_t dataLength);
virtual void doReceivedAction() CXX11_OVERRIDE;
void createMessageHeader(unsigned char* msgHeader) const;
size_t getMessageHeaderLength();
virtual void send() CXX11_OVERRIDE;
virtual std::string toString() const CXX11_OVERRIDE;
virtual void onChokingEvent(const BtChokingEvent& event) CXX11_OVERRIDE;
virtual void onCancelSendingPieceEvent(const BtCancelSendingPieceEvent& event)
CXX11_OVERRIDE;
};
} // namespace aria2
#endif // D_BT_PIECE_MESSAGE_H
|
