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
|
/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@gmail.com *
* *
* 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. *
***************************************************************************/
#ifndef BTDNDFILE_H
#define BTDNDFILE_H
#include <tqstring.h>
#include <util/constants.h>
namespace bt
{
/**
* @author Joris Guisson <joris.guisson@gmail.com>
*
* Special file where we keep the first and last chunk of a file which is marked as do not download.
* THe first and last chunk of a file will most certainly be partial chunks.
*/
class DNDFile
{
public:
DNDFile(const TQString & path);
virtual ~DNDFile();
/// Change the path of the file
void changePath(const TQString & npath);
/**
* CHeck integrity of the file, create it if it doesn't exist.
*/
void checkIntegrity();
/**
* Read the (partial)first chunk into a buffer.
* @param buf The buffer
* @param off OFfset into the buffer
* @param buf_size Size of the buffer
*/
Uint32 readFirstChunk(Uint8* buf,Uint32 off,Uint32 buf_size);
/**
* Read the (partial)last chunk into a buffer.
* @param buf The buffer
* @param off OFfset into the buffer
* @param buf_size Size of the buffer
*/
Uint32 readLastChunk(Uint8* buf,Uint32 off,Uint32 buf_size);
/**
* Write the partial first chunk.
* @param buf The buffer
* @param fc_size Size to write
*/
void writeFirstChunk(const Uint8* buf,Uint32 fc_size);
/**
* Write the partial last chunk.
* @param buf The buffer
* @param lc_size Size to write
*/
void writeLastChunk(const Uint8* buf,Uint32 lc_size);
private:
void create();
private:
TQString path;
};
}
#endif
|
