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111 lines
2.8 KiB
111 lines
2.8 KiB
/***************************************************************************
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* Copyright (C) 2005 by Joris Guisson *
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* joris.guisson@gmail.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#include <time.h>
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#include <stdlib.h>
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#include <qcstring.h>
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#include <util/constants.h>
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#include "key.h"
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using namespace bt;
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namespace dht
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{
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Key::Key()
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{}
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Key::Key(const bt::SHA1Hash & k) : bt::SHA1Hash(k)
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{
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}
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Key::Key(const Uint8* d) : bt::SHA1Hash(d)
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{
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}
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Key::Key(const QByteArray & ba)
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{
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for (Uint32 i = 0;i < 20 && i < ba.size();i++)
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hash[i] = ba[i];
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}
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Key::~Key()
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{}
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bool Key::operator == (const Key & other) const
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{
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return bt::SHA1Hash::operator ==(other);
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}
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bool Key::operator != (const Key & other) const
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{
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return !operator == (other);
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}
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bool Key::operator < (const Key & other) const
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{
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for (int i = 0;i < 20;i++)
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{
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if (hash[i] < other.hash[i])
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return true;
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else if (hash[i] > other.hash[i])
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return false;
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}
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return false;
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}
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bool Key::operator <= (const Key & other) const
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{
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return operator < (other) || operator == (other);
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}
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bool Key::operator > (const Key & other) const
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{
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for (int i = 0;i < 20;i++)
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{
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if (hash[i] < other.hash[i])
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return false;
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else if (hash[i] > other.hash[i])
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return true;
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}
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return false;
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}
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bool Key::operator >= (const Key & other) const
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{
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return operator > (other) || operator == (other);
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}
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Key Key::distance(const Key & a,const Key & b)
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{
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return a ^ b;
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}
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Key Key::random()
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{
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srand(time(0));
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Key k;
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for (int i = 0;i < 20;i++)
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{
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k.hash[i] = (Uint8)rand() % 0xFF;
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}
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return k;
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}
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}
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