tdlight/tdnet/td/net/HttpChunkedByteFlow.h
levlam 728d8d79f6 More enum class usages.
GitOrigin-RevId: 6680ce2276ced5b015a1f508f0b7b5f28b5f4a9b
2020-01-19 03:02:56 +03:00

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
#include "td/utils/ByteFlow.h"
namespace td {
class HttpChunkedByteFlow final : public ByteFlowBase {
public:
void loop() override;
private:
static constexpr int MAX_CHUNK_SIZE = 15 << 20; // some reasonable limit
static constexpr int MAX_SIZE = 150 << 20; // some reasonable limit
static constexpr size_t MIN_UPDATE_SIZE = 1 << 14;
enum class State { ReadChunkLength, ReadChunkContent, OK };
State state_ = State::ReadChunkLength;
size_t len_ = 0;
size_t save_len_ = 0;
size_t total_size_ = 0;
size_t uncommited_size_ = 0;
};
} // namespace td