src/base/bittorrent/infohash.cpp

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2015, 2021  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
  23  * License in all respects for all of the code used other than "OpenSSL".  If you
  24  * modify file(s), you may extend this exception to your version of the file(s),
  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 "infohash.h"
  30
  31 const int TorrentIDTypeId = qRegisterMetaType<BitTorrent::TorrentID>();
  32
  33 BitTorrent::InfoHash::InfoHash(const WrappedType &nativeHash)
  34     : m_valid {true}
  35     , m_nativeHash {nativeHash}
  36 {
  37 }
  38
  39 bool BitTorrent::InfoHash::isValid() const
  40 {
  41     return m_valid;
  42 }
  43
  44 SHA1Hash BitTorrent::InfoHash::v1() const
  45 {
  46 #ifdef QBT_USES_LIBTORRENT2
  47     return (m_nativeHash.has_v1() ? SHA1Hash(m_nativeHash.v1) : SHA1Hash());
  48 #else
  49     return {m_nativeHash};
  50 #endif
  51 }
  52
  53 SHA256Hash BitTorrent::InfoHash::v2() const
  54 {
  55 #ifdef QBT_USES_LIBTORRENT2
  56     return (m_nativeHash.has_v2() ? SHA256Hash(m_nativeHash.v2) : SHA256Hash());
  57 #else
  58     return {};
  59 #endif
  60 }
  61
  62 BitTorrent::TorrentID BitTorrent::InfoHash::toTorrentID() const
  63 {
  64 #ifdef QBT_USES_LIBTORRENT2
  65     return m_nativeHash.get_best();
  66 #else
  67     return {m_nativeHash};
  68 #endif
  69 }
  70
  71 BitTorrent::InfoHash::operator WrappedType() const
  72 {
  73     return m_nativeHash;
  74 }
  75
  76 BitTorrent::TorrentID BitTorrent::TorrentID::fromString(const QString &hashString)
  77 {
  78     return {BaseType::fromString(hashString)};
  79 }
  80
  81 BitTorrent::TorrentID BitTorrent::TorrentID::fromInfoHash(const BitTorrent::InfoHash &infoHash)
  82 {
  83     return infoHash.toTorrentID();
  84 }
  85
  86 uint BitTorrent::qHash(const BitTorrent::TorrentID &key, const uint seed)
  87 {
  88     return ::qHash(std::hash<TorrentID::UnderlyingType>()(key), seed);
  89 }
  90
  91 bool BitTorrent::operator==(const BitTorrent::InfoHash &left, const BitTorrent::InfoHash &right)
  92 {
  93     return (static_cast<InfoHash::WrappedType>(left) == static_cast<InfoHash::WrappedType>(right));
  94 }
  95
  96 bool BitTorrent::operator!=(const BitTorrent::InfoHash &left, const BitTorrent::InfoHash &right)
  97 {
  98     return !(left == right);
  99 }