qBittorrent
peeraddress.cpp
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1 /*
2  * Bittorrent Client using Qt and libtorrent.
3  * Copyright (C) 2019 Vladimir Golovnev <glassez@yandex.ru>
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License
7  * as published by the Free Software Foundation; either version 2
8  * of the License, or (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18  *
19  * In addition, as a special exception, the copyright holders give permission to
20  * link this program with the OpenSSL project's "OpenSSL" library (or with
21  * modified versions of it that use the same license as the "OpenSSL" library),
22  * and distribute the linked executables. You must obey the GNU General Public
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25  * but you are not obligated to do so. If you do not wish to do so, delete this
26  * exception statement from your version.
27  */
28 
29 #include "peeraddress.h"
30 
31 #include <QString>
32 
33 using namespace BitTorrent;
34 
35 PeerAddress PeerAddress::parse(const QStringView address)
36 {
37  QList<QStringView> ipPort;
38 
39  if (address.startsWith(u'[') && address.contains(QLatin1String("]:")))
40  { // IPv6
41  ipPort = address.split(QString::fromLatin1("]:"));
42  ipPort[0] = ipPort[0].mid(1); // chop '['
43  }
44  else if (address.contains(u':'))
45  { // IPv4
46  ipPort = address.split(u':');
47  }
48  else
49  {
50  return {};
51  }
52 
53  const QHostAddress ip {ipPort[0].toString()};
54  if (ip.isNull())
55  return {};
56 
57  const ushort port {ipPort[1].toUShort()};
58  if (port == 0)
59  return {};
60 
61  return {ip, port};
62 }
63 
64 QString PeerAddress::toString() const
65 {
66  if (ip.isNull())
67  return {};
68 
69  const QString ipStr = (ip.protocol() == QAbstractSocket::IPv6Protocol)
70  ? ('[' + ip.toString() + ']')
71  : ip.toString();
72  return (ipStr + ':' + QString::number(port));
73 }
74 
76 {
77  return (left.ip == right.ip) && (left.port == right.port);
78 }
79 
80 uint BitTorrent::qHash(const BitTorrent::PeerAddress &addr, const uint seed)
81 {
82  return (::qHash(addr.ip, seed) ^ ::qHash(addr.port));
83 }
uint qHash(const TorrentID &key, uint seed)
Definition: infohash.cpp:86
bool operator==(const CategoryOptions::DownloadPathOption &left, const CategoryOptions::DownloadPathOption &right)
static PeerAddress parse(QStringView address)
Definition: peeraddress.cpp:35
QString toString() const
Definition: peeraddress.cpp:64