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106 lines
3.2 KiB
106 lines
3.2 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 WebThree.cpp
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* @author Gav Wood <i@gavwood.com>
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* @date 2014
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*/
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#include "WebThree.h"
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#include <chrono>
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#include <thread>
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#include <boost/filesystem.hpp>
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#include <libdevcore/Log.h>
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#include <libp2p/Host.h>
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#include <libethereum/Defaults.h>
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#include <libethereum/EthereumHost.h>
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#include <libwhisper/WhisperHost.h>
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using namespace std;
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using namespace dev;
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using namespace dev::p2p;
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using namespace dev::eth;
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using namespace dev::shh;
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WebThreeDirect::WebThreeDirect(std::string const& _clientVersion, std::string const& _dbPath, bool _forceClean, std::set<std::string> const& _interfaces, NetworkPreferences const& _n):
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m_clientVersion(_clientVersion),
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m_net(_clientVersion, _n)
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{
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if (_dbPath.size())
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Defaults::setDBPath(_dbPath);
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if (_interfaces.count("eth"))
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m_ethereum.reset(new eth::Client(&m_net, _dbPath, _forceClean));
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if (_interfaces.count("shh"))
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m_whisper = m_net.registerCapability<WhisperHost>(new WhisperHost);
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}
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WebThreeDirect::~WebThreeDirect()
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{
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// Utterly horrible right now - WebThree owns everything (good), but:
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// m_net (Host) owns the eth::EthereumHost via a shared_ptr.
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// The eth::EthereumHost depends on eth::Client (it maintains a reference to the BlockChain field of Client).
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// eth::Client (owned by us via a unique_ptr) uses eth::EthereumHost (via a weak_ptr).
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// Really need to work out a clean way of organising ownership and guaranteeing startup/shutdown is perfect.
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// Have to call stop here to get the Host to kill its io_service otherwise we end up with left-over reads,
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// still referencing Sessions getting deleted *after* m_ethereum is reset, causing bad things to happen, since
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// the guarantee is that m_ethereum is only reset *after* all sessions have ended (sessions are allowed to
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// use bits of data owned by m_ethereum).
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m_net.stop();
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m_ethereum.reset();
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}
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void WebThreeDirect::setNetworkPreferences(p2p::NetworkPreferences const& _n)
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{
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auto had = haveNetwork();
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if (had)
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stopNetwork();
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m_net.setNetworkPreferences(_n);
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if (had)
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startNetwork();
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}
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std::vector<PeerInfo> WebThreeDirect::peers()
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{
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return m_net.peers();
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}
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size_t WebThreeDirect::peerCount() const
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{
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return m_net.peerCount();
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}
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void WebThreeDirect::setIdealPeerCount(size_t _n)
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{
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return m_net.setIdealPeerCount(_n);
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}
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bytes WebThreeDirect::saveNodes()
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{
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return m_net.saveNodes();
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}
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void WebThreeDirect::restoreNodes(bytesConstRef _saved)
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{
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return m_net.restoreNodes(_saved);
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}
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void WebThreeDirect::connect(std::string const& _seedHost, unsigned short _port)
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{
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m_net.connect(_seedHost, _port);
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}
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