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104 lines
3.1 KiB
104 lines
3.1 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 CommonNet.h
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* @author Gav Wood <i@gavwood.com>
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* @date 2014
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*
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* Miscellanea required for the PeerServer/Session classes.
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*/
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#pragma once
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#include <string>
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#include <chrono>
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#include <libdevcore/Common.h>
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#include <libdevcore/Log.h>
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namespace dev
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{
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class OverlayDB;
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namespace eth
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{
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#if ETH_DEBUG
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static const unsigned c_maxHashes = 2048; ///< Maximum number of hashes BlockHashes will ever send.
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static const unsigned c_maxHashesAsk = 2048; ///< Maximum number of hashes GetBlockHashes will ever ask for.
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static const unsigned c_maxBlocks = 128; ///< Maximum number of blocks Blocks will ever send.
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static const unsigned c_maxBlocksAsk = 128; ///< Maximum number of blocks we ask to receive in Blocks (when using GetChain).
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static const unsigned c_maxPayload = 262144; ///< Maximum size of packet for us to send.
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#else
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static const unsigned c_maxHashes = 2048; ///< Maximum number of hashes BlockHashes will ever send.
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static const unsigned c_maxHashesAsk = 2048; ///< Maximum number of hashes GetBlockHashes will ever ask for.
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static const unsigned c_maxBlocks = 128; ///< Maximum number of blocks Blocks will ever send.
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static const unsigned c_maxBlocksAsk = 128; ///< Maximum number of blocks we ask to receive in Blocks (when using GetChain).
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static const unsigned c_maxPayload = 262144; ///< Maximum size of packet for us to send.
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#endif
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class BlockChain;
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class TransactionQueue;
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class EthereumHost;
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class EthereumPeer;
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enum
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{
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StatusPacket = 0,
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NewBlockHashesPacket,
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TransactionsPacket,
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GetBlockHashesPacket,
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BlockHashesPacket,
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GetBlocksPacket,
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BlocksPacket,
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NewBlockPacket,
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GetBlockHashesByNumberPacket,
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PacketCount
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};
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enum class Asking
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{
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State,
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Hashes,
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Blocks,
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Nothing
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};
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enum class SyncState
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{
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Idle, ///< Initial chain sync complete. Waiting for new packets
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WaitingQueue, ///< Block downloading paused. Waiting for block queue to process blocks and free space
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HashesNegotiate, ///< Waiting for first hashes to arrive
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HashesSingle, ///< Locked on and downloading hashes from a single peer
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HashesParallel, ///< Downloading hashes from multiple peers over
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Blocks, ///< Downloading blocks
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NewBlocks, ///< Downloading blocks learned from NewHashes packet
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Size /// Must be kept last
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};
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struct SyncStatus
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{
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SyncState state = SyncState::Idle;
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unsigned hashesTotal = 0;
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unsigned hashesReceived = 0;
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bool hashesEstimated = false;
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unsigned blocksTotal = 0;
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unsigned blocksReceived = 0;
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};
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}
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}
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