44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
// This file Copyright © 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> // uint8_t, uint32_t
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#include "libtransmission/transmission.h"
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#include "libtransmission/block-info.h"
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struct tr_torrent;
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/**
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* @addtogroup file_io File IO
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* @{
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*/
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/**
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* Reads the block specified by the piece index, offset, and length.
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* @return 0 on success, or an errno value on failure.
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*/
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[[nodiscard]] int tr_ioRead(tr_torrent const& tor, tr_block_info::Location const& loc, size_t len, uint8_t* setme);
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/**
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* Writes the block specified by the piece index, offset, and length.
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* @return 0 on success, or an errno value on failure.
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*/
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[[nodiscard]] int tr_ioWrite(tr_torrent& tor, tr_block_info::Location const& loc, size_t len, uint8_t const* writeme);
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/**
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* @brief Test to see if the piece matches its metainfo's SHA1 checksum.
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*/
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[[nodiscard]] bool tr_ioTestPiece(tr_torrent const& tor, tr_piece_index_t piece);
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/* @} */
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