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// libTorrent - BitTorrent library
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// Copyright (C) 2005-2006, Jari Sundell
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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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// 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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// 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 Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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// In addition, as a special exception, the copyright holders give
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// permission to link the code of portions of this program with the
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// OpenSSL library under certain conditions as described in each
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// individual source file, and distribute linked combinations
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// You must obey the GNU General Public License in all respects for
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// all of the code used other than OpenSSL. If you modify file(s)
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// with this exception, you may extend this exception to your version
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// of the file(s), but you are not obligated to do so. If you do not
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// wish to do so, delete this exception statement from your version.
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// If you delete this exception statement from all source files in the
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// program, then also delete it here.
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// Contact: Jari Sundell <jaris@ifi.uio.no>
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// 3185 Skoppum, NORWAY
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#ifndef LIBTORRENT_PIECE_H
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#define LIBTORRENT_PIECE_H
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#include <torrent/common.h>
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class LIBTORRENT_EXPORT Piece {
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static const uint32_t invalid_index = ~uint32_t();
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Piece() : m_index(invalid_index), m_offset(0), m_length(0) {}
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Piece(uint32_t index, uint32_t offset, uint32_t length) :
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m_index(index), m_offset(offset), m_length(length) {}
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bool is_valid() const { return m_index != invalid_index; }
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uint32_t index() const { return m_index; }
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void set_index(uint32_t v) { m_index = v; }
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uint32_t offset() const { return m_offset; }
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void set_offset(uint32_t v) { m_offset = v; }
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uint32_t length() const { return m_length; }
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void set_length(uint32_t v) { m_length = v; }
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bool operator == (const Piece& p) const { return m_index == p.m_index && m_offset == p.m_offset && m_length == p.m_length; }
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bool operator != (const Piece& p) const { return m_index != p.m_index || m_offset != p.m_offset || m_length != p.m_length; }