forked from premiere/premiere-libtorrent
88 lines
2.9 KiB
C++
88 lines
2.9 KiB
C++
/*
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Copyright (c) 2014-2018, Arvid Norberg
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TORRENT_RESOLVE_LINKS_HPP
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#define TORRENT_RESOLVE_LINKS_HPP
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#include <vector>
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#include <utility>
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#include <unordered_map>
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#include <memory>
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#include <string>
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#include "libtorrent/aux_/export.hpp"
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#include "libtorrent/units.hpp"
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#include "libtorrent/aux_/vector.hpp"
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namespace libtorrent {
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class torrent_info;
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#ifndef TORRENT_DISABLE_MUTABLE_TORRENTS
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// this class is used for mutable torrents, to discover identical files
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// in other torrents.
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struct TORRENT_EXTRA_EXPORT resolve_links
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{
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struct TORRENT_EXTRA_EXPORT link_t
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{
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std::shared_ptr<const torrent_info> ti;
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std::string save_path;
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file_index_t file_idx;
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};
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explicit resolve_links(std::shared_ptr<torrent_info> ti);
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// check to see if any files are shared with this torrent
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void match(std::shared_ptr<const torrent_info> const& ti
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, std::string const& save_path);
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aux::vector<link_t, file_index_t> const& get_links() const
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{ return m_links; }
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private:
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// this is the torrent we're trying to find files for.
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std::shared_ptr<torrent_info> m_torrent_file;
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// each file in m_torrent_file has an entry in this vector. Any file
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// that also exists somewhere else, is filled in with the corresponding
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// torrent_info object and file index
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aux::vector<link_t, file_index_t> m_links;
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// maps file size to file index, in m_torrent_file
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std::unordered_multimap<std::int64_t, file_index_t> m_file_sizes;
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};
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#endif // TORRENT_DISABLE_MUTABLE_TORRENTS
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}
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#endif
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