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55 lines
1.5 KiB
55 lines
1.5 KiB
/*
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This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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cpp-ethereum 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file RLPXFrameReader.h
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* @author Alex Leverington <nessence@gmail.com>
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* @date 2015
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*/
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#pragma once
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#include <libdevcore/Guards.h>
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#include "RLPXFrameCoder.h"
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#include "RLPXPacket.h"
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namespace ba = boost::asio;
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namespace bi = boost::asio::ip;
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namespace dev
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{
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namespace p2p
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{
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/**
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* RLPFrameReader
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* Reads and assembles RLPX frame byte buffers into RLPX packets. Additionally
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* buffers incomplete packets which are pieced into multiple frames (has sequence).
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*/
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class RLPXFrameReader
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{
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public:
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RLPXFrameReader(uint16_t _protocolType): m_protocolType(_protocolType) {}
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/// Processes a single frame returning complete packets.
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std::vector<RLPXPacket> demux(RLPXFrameCoder& _coder, RLPXFrameInfo const& _info, bytesRef _frame);
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protected:
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uint16_t m_protocolType;
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std::map<uint16_t, std::pair<RLPXPacket, uint32_t>> m_incomplete; ///< Sequence: Incomplete packet and bytes remaining.
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};
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}
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}
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