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61 lines
1.5 KiB
C++
61 lines
1.5 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/utils/ByteFlow.h"
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#include "td/utils/Gzip.h"
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#include <limits>
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namespace td {
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#if TD_HAVE_ZLIB
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class GzipByteFlow final : public ByteFlowBase {
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public:
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GzipByteFlow() = default;
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explicit GzipByteFlow(Gzip::Mode mode) {
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gzip_.init(mode).ensure();
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}
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void init_decode() {
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gzip_.init_decode().ensure();
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}
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void init_encode() {
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gzip_.init_encode().ensure();
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}
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void set_max_output_size(size_t max_output_size) {
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max_output_size_ = max_output_size;
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}
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void loop() override;
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private:
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Gzip gzip_;
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size_t uncommited_size_ = 0;
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size_t total_output_size_ = 0;
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size_t max_output_size_ = std::numeric_limits<size_t>::max();
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static constexpr size_t MIN_UPDATE_SIZE = 1 << 14;
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};
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#endif
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} // namespace td
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