49 lines
1.0 KiB
C++
49 lines
1.0 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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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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