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
|
/* <!-- 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_DHT_NODE_H
#define D_DHT_NODE_H
#include "common.h"
#include <string>
#include "SharedHandle.h"
#include "DHTConstants.h"
#include "TimerA2.h"
namespace aria2 {
class DHTNode {
private:
unsigned char id_[DHT_ID_LENGTH];
std::string ipaddr_;
uint16_t port_;
// in milli sec
int rtt_;
int condition_;
Timer lastContact_;
public:
DHTNode();
/**
* id must be 20 bytes length
*/
DHTNode(const unsigned char* id);
~DHTNode();
void generateID();
const unsigned char* getID() const
{
return id_;
}
void updateRTT(int millisec)
{
rtt_ = millisec;
}
const std::string& getIPAddress() const
{
return ipaddr_;
}
void setIPAddress(const std::string& ipaddr);
void setID(const unsigned char* id);
uint16_t getPort() const
{
return port_;
}
void setPort(uint16_t port)
{
port_ = port;
}
bool isGood() const;
bool isBad() const;
bool isQuestionable() const;
void updateLastContact();
void markGood();
void markBad();
void timeout();
bool operator==(const DHTNode& node) const;
bool operator<(const DHTNode& node) const;
std::string toString() const;
};
} // namespace aria2
#endif // D_DHT_NODE_H
|
