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/*
This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file Worker.h
* @author Gav Wood <i@gavwood.com>
* @date 2014
*/
#pragma once
#include <string>
#include <thread>
#include "Guards.h"
namespace dev
{
class Worker
{
protected:
Worker(std::string const& _name = "anon"): m_name(_name) {}
/// Move-constructor.
Worker(Worker&& _m) { std::swap(m_name, _m.m_name); }
/// Move-assignment.
Worker& operator=(Worker&& _m) { std::swap(m_name, _m.m_name); return *this; }
virtual ~Worker() { stopWorking(); }
void setName(std::string _n) { if (!isWorking()) m_name = _n; }
void startWorking();
void stopWorking();
bool isWorking() const { Guard l(x_work); return !!m_work; }
virtual void doWork() = 0;
virtual void doneWorking() {}
private:
mutable Mutex x_work; ///< Lock for the network existance.
std::unique_ptr<std::thread> m_work; ///< The network thread.
bool m_stop = false;
std::string m_name;
};
}