[pulseview.git] / pv / logging.hpp

/*
 * This file is part of the PulseView project.
 *
 * Copyright (C) 2018 Soeren Apel <soeren@apelpie.net>
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

#ifndef PULSEVIEW_PV_LOGGING_HPP
#define PULSEVIEW_PV_LOGGING_HPP

#include "globalsettings.hpp"

#include <mutex>

#include <QtGlobal>
#include <QObject>
#include <QString>
#include <QStringList>

using std::mutex;

namespace pv {

class Logging : public QObject, public GlobalSettingsInterface
{
	Q_OBJECT

public:
	enum LogSource {
		LogSource_pv,
		LogSource_sr,
		LogSource_srd
	};

	static const int MIN_BUFFER_SIZE;
	static const int MAX_BUFFER_SIZE;

public:
	~Logging();
	void init();

	int get_log_level() const;
	void set_log_level(int level);

	QString get_log() const;

	void log(const QString &text, int source);

	static void log_pv(QtMsgType type, const QMessageLogContext &context, const QString &msg);

	static int log_sr(void *cb_data, int loglevel, const char *format, va_list args);

#ifdef ENABLE_DECODE
	static int log_srd(void *cb_data, int loglevel, const char *format, va_list args);
#endif

private:
	void on_setting_changed(const QString &key, const QVariant &value);

Q_SIGNALS:
	void logged_text(QString s);

private:
	int buffer_size_;
	QStringList buffer_;
	mutable mutex log_mutex_;
};

extern Logging logging;

} // namespace pv

#endif // PULSEVIEW_PV_LOGGING_HPP
Commit	Line	Data
bcb4c327 SA	1	/*
	2	* This file is part of the PulseView project.
	3	*
	4	* Copyright (C) 2018 Soeren Apel <soeren@apelpie.net>
	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, see <http://www.gnu.org/licenses/>.
	18	*/
	19
	20	#ifndef PULSEVIEW_PV_LOGGING_HPP
	21	#define PULSEVIEW_PV_LOGGING_HPP
	22
	23	#include "globalsettings.hpp"
	24
23a923e3 SA	25	#include <mutex>
23a923e3 SA	26
bcb4c327 SA	27	#include <QtGlobal>
	28	#include <QObject>
	29	#include <QString>
	30	#include <QStringList>
	31
23a923e3 SA	32	using std::mutex;
23a923e3 SA	33
bcb4c327 SA	34	namespace pv {
	35
	36	class Logging : public QObject, public GlobalSettingsInterface
	37	{
	38	Q_OBJECT
	39
	40	public:
	41	enum LogSource {
	42	LogSource_pv,
	43	LogSource_sr,
	44	LogSource_srd
	45	};
	46
b9a3a67e	47	static const int MIN_BUFFER_SIZE;
bcb4c327 SA	48	static const int MAX_BUFFER_SIZE;
	49
	50	public:
	51	~Logging();
	52	void init();
	53
	54	int get_log_level() const;
	55	void set_log_level(int level);
	56
	57	QString get_log() const;
	58
	59	void log(const QString &text, int source);
	60
	61	static void log_pv(QtMsgType type, const QMessageLogContext &context, const QString &msg);
	62
348bae08	63	static int log_sr(void cb_data, int loglevel, const char format, va_list args);
bcb4c327 SA	64
bcb4c327 SA	65	#ifdef ENABLE_DECODE
348bae08	66	static int log_srd(void cb_data, int loglevel, const char format, va_list args);
bcb4c327 SA	67	#endif
	68
	69	private:
	70	void on_setting_changed(const QString &key, const QVariant &value);
	71
	72	Q_SIGNALS:
	73	void logged_text(QString s);
	74
	75	private:
	76	int buffer_size_;
	77	QStringList buffer_;
23a923e3	78	mutable mutex log_mutex_;
bcb4c327 SA	79	};
	80
	81	extern Logging logging;
	82
	83	} // namespace pv
	84
	85	#endif // PULSEVIEW_PV_LOGGING_HPP