32 lines
909 B
C++
32 lines
909 B
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
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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 <limits>
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namespace td {
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class HttpChunkedByteFlow final : public ByteFlowBase {
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public:
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bool loop() override;
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private:
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static constexpr int MAX_CHUNK_SIZE = 15 << 20; // some reasonable limit
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static constexpr int MAX_SIZE = std::numeric_limits<int32>::max(); // some reasonable limit
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static constexpr size_t MIN_UPDATE_SIZE = 1 << 14;
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enum class State { ReadChunkLength, ReadChunkContent, OK };
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State state_ = State::ReadChunkLength;
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size_t len_ = 0;
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size_t save_len_ = 0;
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size_t total_size_ = 0;
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size_t uncommited_size_ = 0;
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};
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} // namespace td
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