[pulseview.git] / pv / storesession.hpp

/*
 * This file is part of the PulseView project.
 *
 * Copyright (C) 2014 Joel Holdsworth <joel@airwebreathe.org.uk>
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#ifndef PULSEVIEW_PV_STORESESSION_H
#define PULSEVIEW_PV_STORESESSION_H

#include <stdint.h>

#include <atomic>
#include <fstream>
#include <memory>
#include <mutex>
#include <string>
#include <thread>

#include <QObject>

namespace sigrok {
class Output;
class OutputFormat;
}

namespace pv {

class Session;

namespace data {
class LogicSegment;
}

class StoreSession : public QObject
{
	Q_OBJECT

private:
	static const size_t BlockSize;

public:
	StoreSession(const std::string &file_name,
		const std::shared_ptr<sigrok::OutputFormat> &output_format,
		const Session &session);

	~StoreSession();

	std::pair<int, int> progress() const;

	const QString& error() const;

	bool start();

	void wait();

	void cancel();

private:
	void store_proc(std::shared_ptr<pv::data::LogicSegment> segment);

Q_SIGNALS:
	void progress_updated();

private:
	const std::string file_name_;
	const std::shared_ptr<sigrok::OutputFormat> output_format_;
	const Session &session_;

	std::shared_ptr<sigrok::Output> output_;
	std::ofstream output_stream_;

	std::thread thread_;

	std::atomic<bool> interrupt_;

	std::atomic<int> units_stored_, unit_count_;

	mutable std::mutex mutex_;
	QString error_;
};

} // pv

#endif // PULSEVIEW_PV_STORESESSION_H
Commit	Line	Data
	1	/*
	2	* This file is part of the PulseView project.
	3	*
	4	* Copyright (C) 2014 Joel Holdsworth <joel@airwebreathe.org.uk>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
	21	#ifndef PULSEVIEW_PV_STORESESSION_H
	22	#define PULSEVIEW_PV_STORESESSION_H
	23
	24	#include <stdint.h>
	25
	26	#include <atomic>
	27	#include <fstream>
	28	#include <memory>
	29	#include <mutex>
	30	#include <string>
	31	#include <thread>
	32
	33	#include <QObject>
	34
	35	namespace sigrok {
	36	class Output;
	37	class OutputFormat;
	38	}
	39
	40	namespace pv {
	41
	42	class Session;
	43
	44	namespace data {
	45	class LogicSegment;
	46	}
	47
	48	class StoreSession : public QObject
	49	{
	50	Q_OBJECT
	51
	52	private:
	53	static const size_t BlockSize;
	54
	55	public:
	56	StoreSession(const std::string &file_name,
	57	const std::shared_ptr<sigrok::OutputFormat> &output_format,
	58	const Session &session);
	59
	60	~StoreSession();
	61
	62	std::pair<int, int> progress() const;
	63
	64	const QString& error() const;
	65
	66	bool start();
	67
	68	void wait();
	69
	70	void cancel();
	71
	72	private:
	73	void store_proc(std::shared_ptr<pv::data::LogicSegment> segment);
	74
	75	Q_SIGNALS:
	76	void progress_updated();
	77
	78	private:
	79	const std::string file_name_;
	80	const std::shared_ptr<sigrok::OutputFormat> output_format_;
	81	const Session &session_;
	82
	83	std::shared_ptr<sigrok::Output> output_;
	84	std::ofstream output_stream_;
	85
	86	std::thread thread_;
	87
	88	std::atomic<bool> interrupt_;
	89
	90	std::atomic<int> units_stored_, unit_count_;
	91
	92	mutable std::mutex mutex_;
	93	QString error_;
	94	};
	95
	96	} // pv
	97
	98	#endif // PULSEVIEW_PV_STORESESSION_H