63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
// This file Copyright © 2012-2023 Mnemosyne LLC.
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// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
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// or any future license endorsed by Mnemosyne LLC.
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// License text can be found in the licenses/ folder.
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#pragma once
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#ifndef __TRANSMISSION__
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#error only libtransmission should #include this header.
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#endif
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#include <cstddef> // size_t
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#include <cstdint> // int64_t
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#include <ctime> // time_t
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#include <deque>
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#include <optional>
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#include <vector>
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#include <small/vector.hpp>
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struct tr_error;
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struct tr_torrent;
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struct tr_torrent_metainfo;
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// defined by BEP #9
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inline constexpr int MetadataPieceSize = 1024 * 16;
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using tr_metadata_piece = small::max_size_vector<std::byte, MetadataPieceSize>;
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struct tr_incomplete_metadata
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{
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struct metadata_node
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{
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time_t requested_at = 0U;
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int piece = 0;
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};
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std::vector<char> metadata;
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/** sorted from least to most recently requested */
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std::deque<metadata_node> pieces_needed;
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int piece_count = 0;
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};
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bool tr_torrentGetMetadataPiece(tr_torrent const* tor, int piece, tr_metadata_piece& setme);
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void tr_torrentSetMetadataPiece(tr_torrent* tor, int piece, void const* data, size_t len);
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std::optional<int> tr_torrentGetNextMetadataRequest(tr_torrent* tor, time_t now);
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bool tr_torrentSetMetadataSizeHint(tr_torrent* tor, int64_t metadata_size);
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double tr_torrentGetMetadataPercent(tr_torrent const* tor);
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void tr_torrentMagnetDoIdleWork(tr_torrent* tor);
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bool tr_torrentUseMetainfoFromFile(
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tr_torrent* tor,
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tr_torrent_metainfo const* metainfo,
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char const* filename,
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tr_error** error);
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