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110 lines
2.3 KiB
110 lines
2.3 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 Miner.cpp
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* @author Alex Leverington <nessence@gmail.com>
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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 "Miner.h"
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#include "State.h"
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using namespace std;
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using namespace dev;
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using namespace dev::eth;
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Miner::Miner(MinerHost* _host, unsigned _id):
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m_host(_host),
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m_id(_id)
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{
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}
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void Miner::start()
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{
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if (!m_host)
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return;
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Guard l(x_work);
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if (!m_work)
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{
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m_stop = false;
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m_work.reset(new thread([&]()
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{
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setThreadName(("miner-" + toString(m_id)).c_str());
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m_miningStatus = Preparing;
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while (!m_stop)
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work();
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}));
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}
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}
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void Miner::stop()
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{
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Guard l(x_work);
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if (m_work)
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{
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m_stop = true;
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m_work->join();
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m_work.reset(nullptr);
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}
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}
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void Miner::work()
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{
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// Do some mining.
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if ((m_pendingCount || m_host->force()) && m_miningStatus != Mined)
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{
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if (m_miningStatus == Preparing)
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{
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m_miningStatus = Mining;
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m_host->setupState(m_mineState);
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m_pendingCount = m_mineState.pending().size();
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{
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Guard l(x_mineInfo);
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m_mineProgress.best = (double)-1;
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m_mineProgress.hashes = 0;
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m_mineProgress.ms = 0;
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}
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}
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// Mine for a while.
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MineInfo mineInfo = m_mineState.mine(100, m_host->turbo());
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{
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Guard l(x_mineInfo);
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m_mineProgress.best = min(m_mineProgress.best, mineInfo.best);
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m_mineProgress.current = mineInfo.best;
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m_mineProgress.requirement = mineInfo.requirement;
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m_mineProgress.ms += 100;
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m_mineProgress.hashes += mineInfo.hashes;
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m_mineHistory.push_back(mineInfo);
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}
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if (mineInfo.completed)
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{
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m_mineState.completeMine();
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m_host->onComplete();
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m_miningStatus = Mined;
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}
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else
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m_host->onProgressed();
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}
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else
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{
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this_thread::sleep_for(chrono::milliseconds(100));
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}
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}
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