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
120
121
122
123
124
125
126
127
128
129
|
/* <!-- 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 --> */
#include "PiecedSegment.h"
#include "Piece.h"
#include <cassert>
namespace aria2 {
PiecedSegment::PiecedSegment
(size_t pieceLength, const SharedHandle<Piece>& piece):
pieceLength_(pieceLength), piece_(piece)
{
size_t index;
bool t = piece_->getFirstMissingBlockIndexWithoutLock(index);
assert(t);
writtenLength_ = index*piece_->getBlockLength();
}
PiecedSegment::~PiecedSegment() {}
bool PiecedSegment::complete() const
{
return piece_->pieceComplete();
}
size_t PiecedSegment::getIndex() const
{
return piece_->getIndex();
}
off_t PiecedSegment::getPosition() const
{
return ((off_t)piece_->getIndex())*pieceLength_;
}
off_t PiecedSegment::getPositionToWrite() const
{
return getPosition()+writtenLength_;
}
size_t PiecedSegment::getLength() const
{
return piece_->getLength();
}
void PiecedSegment::updateWrittenLength(size_t bytes)
{
size_t newWrittenLength = writtenLength_+bytes;
assert(newWrittenLength <= piece_->getLength());
for(size_t i = writtenLength_/piece_->getBlockLength(),
end = newWrittenLength/piece_->getBlockLength(); i < end; ++i) {
piece_->completeBlock(i);
}
if(newWrittenLength == piece_->getLength()) {
piece_->completeBlock(piece_->countBlock()-1);
}
writtenLength_ = newWrittenLength;
}
#ifdef ENABLE_MESSAGE_DIGEST
bool PiecedSegment::updateHash(uint32_t begin,
const unsigned char* data, size_t dataLength)
{
return piece_->updateHash(begin, data, dataLength);
}
bool PiecedSegment::isHashCalculated() const
{
return piece_->isHashCalculated();
}
std::string PiecedSegment::getHashString()
{
return piece_->getHashString();
}
#endif // ENABLE_MESSAGE_DIGEST
void PiecedSegment::clear()
{
writtenLength_ = 0;
piece_->clearAllBlock();
#ifdef ENABLE_MESSAGE_DIGEST
piece_->destroyHashContext();
#endif // ENABLE_MESSAGE_DIGEST
}
SharedHandle<Piece> PiecedSegment::getPiece() const
{
return piece_;
}
} // namespace aria2
|
