100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
/*
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Copyright (c) 2015, 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_FILE_PROGRESS_HPP_INCLUDE
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#define TORRENT_FILE_PROGRESS_HPP_INCLUDE
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#include <vector>
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#include <cstdint>
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#include <functional>
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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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#if TORRENT_USE_INVARIANT_CHECKS
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#include "libtorrent/bitfield.hpp"
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#include "libtorrent/invariant_check.hpp"
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#endif
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#if TORRENT_USE_INVARIANT_CHECKS
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#include "libtorrent/invariant_check.hpp"
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#include "libtorrent/bitfield.hpp"
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#endif
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namespace libtorrent {
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class piece_picker;
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class file_storage;
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namespace aux {
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struct TORRENT_EXTRA_EXPORT file_progress
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{
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file_progress() = default;
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void init(piece_picker const& picker
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, file_storage const& fs);
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void export_progress(vector<std::int64_t, file_index_t> &fp);
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bool empty() const { return m_file_progress.empty(); }
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void clear();
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void update(file_storage const& fs, piece_index_t index
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, std::function<void(file_index_t)> const& completed_cb);
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private:
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// this vector contains the number of bytes completely
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// downloaded (as in passed-hash-check) in each file.
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// this lets us trigger on individual files completing
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// the vector is allocated lazily, when file progress
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// is first queried by the client
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vector<std::int64_t, file_index_t> m_file_progress;
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#if TORRENT_USE_INVARIANT_CHECKS
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friend class libtorrent::invariant_access;
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void check_invariant() const;
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// this is used to assert we never add the same piece twice
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typed_bitfield<piece_index_t> m_have_pieces;
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// to make sure we never say we've downloaded more bytes of a file than
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// its file size
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vector<std::int64_t, file_index_t> m_file_sizes;
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#endif
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};
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} }
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#endif
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