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/*
Copyright (C) 2012 Carl Hetherington <cth@carlh.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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef DCPOMATIC_LOG_H
#define DCPOMATIC_LOG_H
/** @file src/log.h
* @brief A very simple logging class.
*/
#include "log_entry.h"
#include <dcp/types.h>
#include <boost/thread/mutex.hpp>
#include <boost/filesystem.hpp>
#include <boost/signals2.hpp>
#include <string>
/** @class Log
* @brief A very simple logging class.
*/
class Log : public boost::noncopyable
{
public:
Log ();
virtual ~Log () {}
void log (boost::shared_ptr<const LogEntry> entry);
void log (std::string message, int type);
void dcp_log (dcp::NoteType type, std::string message);
void set_types (int types);
/** @param amount Approximate number of bytes to return; the returned value
* may be shorter or longer than this.
*/
virtual std::string head_and_tail (int amount = 1024) const = 0;
protected:
/** mutex to protect the log */
mutable boost::mutex _mutex;
private:
virtual void do_log (boost::shared_ptr<const LogEntry> entry) = 0;
void config_changed ();
/** bit-field of log types which should be put into the log (others are ignored) */
int _types;
boost::signals2::scoped_connection _config_connection;
};
#endif
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