mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
68 lines
1.9 KiB
C++
68 lines
1.9 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 2017-2020 Telegram Systems LLP
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*/
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#pragma once
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#include "td/utils/buffer.h"
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#include "td/fec/fec.h"
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namespace td {
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namespace fec {
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class SlowRaptorQEncoder : public Encoder {
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public:
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~SlowRaptorQEncoder();
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static std::unique_ptr<SlowRaptorQEncoder> create(BufferSlice data, size_t max_symbol_size);
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Symbol gen_symbol(uint32 id) override;
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Info get_info() const override;
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void prepare_more_symbols() override;
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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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SlowRaptorQEncoder(BufferSlice data, size_t max_symbol_size);
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Parameters get_parameters() const;
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private:
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class Impl;
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std::unique_ptr<Impl> impl_;
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};
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class SlowRaptorQDecoder : public Decoder {
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public:
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~SlowRaptorQDecoder();
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static std::unique_ptr<SlowRaptorQDecoder> create(SlowRaptorQEncoder::Parameters parameters);
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bool may_try_decode() const override;
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Result<DataWithEncoder> try_decode(bool need_encoder) override;
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void add_symbol(Symbol symbol) override;
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SlowRaptorQDecoder(SlowRaptorQEncoder::Parameters parameters);
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private:
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class Impl;
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std::unique_ptr<Impl> impl_;
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};
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} // namespace fec
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} // namespace td
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