80 lines
1.9 KiB
C++
80 lines
1.9 KiB
C++
/*
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This file is part of progminer.
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progminer 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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progminer 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 progminer. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file Worker.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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#pragma once
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#include <signal.h>
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#include <atomic>
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#include <cassert>
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#include <string>
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#include <thread>
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#include "Guards.h"
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extern bool g_exitOnError;
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namespace dev
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{
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enum class WorkerState
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{
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Starting,
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Started,
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Stopping,
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Stopped,
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Killing
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};
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class Worker
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{
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public:
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Worker(std::string _name) : m_name(std::move(_name)) {}
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Worker(Worker const&) = delete;
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Worker& operator=(Worker const&) = delete;
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virtual ~Worker();
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/// Starts worker thread; causes startedWorking() to be called.
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void startWorking();
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/// Triggers worker thread it should stop
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void triggerStopWorking();
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/// Stop worker thread; causes call to stopWorking() and waits till thread has stopped.
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void stopWorking();
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/// Whether or not this worker should stop
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bool shouldStop() const { return m_state != WorkerState::Started; }
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std::string name() { return m_name; }
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private:
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virtual void workLoop() = 0;
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std::string m_name;
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mutable Mutex x_work; ///< Lock for the network existence.
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std::unique_ptr<std::thread> m_work; ///< The network thread.
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std::atomic<WorkerState> m_state = {WorkerState::Starting};
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};
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} // namespace dev
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