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
|
/* <!-- 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 "DHTPeerAnnounceEntry.h"
#include <cstring>
#include <algorithm>
#include "Peer.h"
#include "wallclock.h"
namespace aria2 {
DHTPeerAnnounceEntry::DHTPeerAnnounceEntry(const unsigned char* infoHash)
{
memcpy(infoHash_, infoHash, DHT_ID_LENGTH);
}
DHTPeerAnnounceEntry::~DHTPeerAnnounceEntry() {}
void DHTPeerAnnounceEntry::addPeerAddrEntry(const PeerAddrEntry& entry)
{
auto i =
std::find(peerAddrEntries_.begin(), peerAddrEntries_.end(), entry);
if(i == peerAddrEntries_.end()) {
peerAddrEntries_.push_back(entry);
} else {
(*i).notifyUpdate();
}
notifyUpdate();
}
size_t DHTPeerAnnounceEntry::countPeerAddrEntry() const
{
return peerAddrEntries_.size();
}
namespace {
class FindStaleEntry {
private:
time_t timeout_;
public:
FindStaleEntry(time_t timeout):timeout_(timeout) {}
bool operator()(const PeerAddrEntry& entry) const
{
if(entry.getLastUpdated().difference(global::wallclock()) >= timeout_) {
return true;
} else {
return false;
}
}
};
} // namespace
void DHTPeerAnnounceEntry::removeStalePeerAddrEntry(time_t timeout)
{
peerAddrEntries_.erase(std::remove_if(peerAddrEntries_.begin(), peerAddrEntries_.end(),
FindStaleEntry(timeout)), peerAddrEntries_.end());
}
bool DHTPeerAnnounceEntry::empty() const
{
return peerAddrEntries_.empty();
}
void DHTPeerAnnounceEntry::getPeers
(std::vector<std::shared_ptr<Peer> >& peers) const
{
for (const auto& p: peerAddrEntries_) {
peers.push_back(std::make_shared<Peer>(p.getIPAddress(), p.getPort()));
}
}
void DHTPeerAnnounceEntry::notifyUpdate()
{
lastUpdated_ = global::wallclock();
}
} // namespace aria2
|
