123 lines
3.7 KiB
C
123 lines
3.7 KiB
C
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// Copyright (c) 2012-2015, The CryptoNote developers, The Bytecoin developers
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//
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// This file is part of Bytecoin.
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//
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// Bytecoin is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser 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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//
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// Bytecoin 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with Bytecoin. If not, see <http://www.gnu.org/licenses/>.
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#pragma once
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#include <functional>
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#include <list>
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#include <Logging/LoggerRef.h>
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#include <System/ContextGroup.h>
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#include <System/Dispatcher.h>
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#include <System/Event.h>
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#include <System/TcpListener.h>
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#include <System/Timer.h>
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#include "IP2pNodeInternal.h"
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#include "IStreamSerializable.h"
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#include "NetNodeConfig.h"
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#include "P2pInterfaces.h"
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#include "P2pNodeConfig.h"
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#include "P2pProtocolDefinitions.h"
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#include "PeerListManager.h"
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namespace CryptoNote {
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class P2pContext;
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class P2pConnectionProxy;
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class P2pNode :
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public IP2pNode,
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public IStreamSerializable,
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IP2pNodeInternal {
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public:
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P2pNode(
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const P2pNodeConfig& cfg,
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System::Dispatcher& dispatcher,
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Logging::ILogger& log,
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const Crypto::Hash& genesisHash,
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PeerIdType peerId);
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~P2pNode();
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// IP2pNode
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virtual std::unique_ptr<IP2pConnection> receiveConnection() override;
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virtual void stop() override;
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// IStreamSerializable
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virtual void save(std::ostream& os) override;
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virtual void load(std::istream& in) override;
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// P2pNode
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void start();
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void serialize(ISerializer& s);
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private:
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typedef std::unique_ptr<P2pContext> ContextPtr;
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typedef std::list<ContextPtr> ContextList;
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Logging::LoggerRef logger;
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bool m_stopRequested;
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const P2pNodeConfig m_cfg;
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const PeerIdType m_myPeerId;
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const Crypto::Hash m_genesisHash;
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const CORE_SYNC_DATA m_genesisPayload;
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System::Dispatcher& m_dispatcher;
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System::ContextGroup workingContextGroup;
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System::TcpListener m_listener;
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System::Timer m_connectorTimer;
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PeerlistManager m_peerlist;
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ContextList m_contexts;
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System::Event m_queueEvent;
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std::deque<std::unique_ptr<IP2pConnection>> m_connectionQueue;
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// IP2pNodeInternal
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virtual const CORE_SYNC_DATA& getGenesisPayload() const override;
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virtual std::list<PeerlistEntry> getLocalPeerList() const override;
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virtual basic_node_data getNodeData() const override;
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virtual PeerIdType getPeerId() const override;
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virtual void handleNodeData(const basic_node_data& node, P2pContext& ctx) override;
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virtual bool handleRemotePeerList(const std::list<PeerlistEntry>& peerlist, time_t local_time) override;
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virtual void tryPing(P2pContext& ctx) override;
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// spawns
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void acceptLoop();
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void connectorLoop();
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// connection related
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void connectPeers();
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void connectPeerList(const std::vector<NetworkAddress>& peers);
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bool isPeerConnected(const NetworkAddress& address);
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bool isPeerUsed(const PeerlistEntry& peer);
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ContextPtr tryToConnectPeer(const NetworkAddress& address);
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bool fetchPeerList(ContextPtr connection);
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// making and processing connections
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size_t getOutgoingConnectionsCount() const;
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void makeExpectedConnectionsCount(const PeerlistManager::Peerlist& peerlist, size_t connectionsCount);
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bool makeNewConnectionFromPeerlist(const PeerlistManager::Peerlist& peerlist);
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void preprocessIncomingConnection(ContextPtr ctx);
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void enqueueConnection(std::unique_ptr<P2pConnectionProxy> proxy);
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std::unique_ptr<P2pConnectionProxy> createProxy(ContextPtr ctx);
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};
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}
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