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49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser 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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TON Blockchain Library 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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2017-2019 Telegram Systems LLP
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*/
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#pragma once
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#include "td/fec/online/Rfc.h"
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#include "td/fec/algebra/MatrixGF256.h"
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#include "td/utils/buffer.h"
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namespace td {
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namespace online_code {
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class Encoder {
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public:
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struct Parameters {
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size_t symbols_count;
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size_t symbol_size;
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size_t data_size;
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};
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static Result<std::unique_ptr<Encoder>> create(size_t symbol_size, BufferSlice data);
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Encoder(size_t symbol_size, Slice data);
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Parameters get_parameters() const;
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Status gen_symbol(uint32 symbol_id, MutableSlice slice);
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private:
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Rfc::Parameters parameters_;
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MatrixGF256 C_;
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MatrixGF256 d_;
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size_t data_size_;
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};
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} // namespace online_code
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} // namespace td
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