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/*
-----------------------------------------------------------------------
Copyright: 2010-2018, imec Vision Lab, University of Antwerp
2014-2018, CWI, Amsterdam
Contact: astra@astra-toolbox.com
Website: http://www.astra-toolbox.com/
This file is part of the ASTRA Toolbox.
The ASTRA Toolbox 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.
The ASTRA Toolbox 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 the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.
-----------------------------------------------------------------------
*/
#ifndef _INC_ASTRA_LOGGING
#define _INC_ASTRA_LOGGING
#include "astra/Globals.h"
#define ASTRA_DEBUG(...) astra::CLogger::debug(__FILE__,__LINE__, __VA_ARGS__)
#define ASTRA_INFO(...) astra::CLogger::info(__FILE__,__LINE__, __VA_ARGS__)
#define ASTRA_WARN(...) astra::CLogger::warn(__FILE__,__LINE__, __VA_ARGS__)
#define ASTRA_ERROR(...) astra::CLogger::error(__FILE__,__LINE__, __VA_ARGS__)
namespace astra
{
enum log_level {
LOG_DEBUG,
LOG_INFO,
LOG_WARN,
LOG_ERROR
};
class _AstraExport CLogger
{
CLogger();
~CLogger();
static bool m_bEnabledFile;
static bool m_bEnabledScreen;
static bool m_bFileProvided;
static bool m_bInitialized;
static void _assureIsInitialized();
static void _setLevel(int id, log_level m_eLevel);
public:
/**
* Writes a line to the log file (newline is added). Ignored if logging is turned off.
*
* @param sfile
* The name of the source file making this log call (e.g. __FILE__).
*
* @param sline
* The line number of the call in the source code (e.g. __LINE__).
*
* @param id
* The id of the logger to write to.
*
* @param fmt
* The format string for the message (printf formatting).
*
* @param ...
* Any additional format arguments.
*/
static void debug(const char *sfile, int sline, const char *fmt, ...);
static void info(const char *sfile, int sline, const char *fmt, ...);
static void warn(const char *sfile, int sline, const char *fmt, ...);
static void error(const char *sfile, int sline, const char *fmt, ...);
/**
* Sets the file to log to, with logging level.
*
* @param filename
* File to log to.
*
* @param m_eLevel
* Logging level (LOG_DEBUG, LOG_WARN, LOG_INFO, LOG_ERROR).
*
*/
static void setOutputFile(const char *filename, log_level m_eLevel);
/**
* Sets the screen to log to, with logging level.
*
* @param screen_fd
* Screen file descriptor (1 for stdout, 2 for stderr)
*
* @param m_eLevel
* Logging level (LOG_DEBUG, LOG_WARN, LOG_INFO, LOG_ERROR).
*
*/
static void setOutputScreen(int fd, log_level m_eLevel);
/**
* Set the format string for log messages. Here are the substitutions you may
* use:
*
* %f: Source file name generating the log call.
* %n: Source line number where the log call was made.
* %m: The message text sent to the logger (after printf formatting).
* %d: The current date, formatted using the logger's date format.
* %t: The current time, formatted using the logger's time format.
* %l: The log level (one of "DEBUG", "INFO", "WARN", or "ERROR").
* %%: A literal percent sign.
*
* The default format string is "%d %t %f(%n): %l: %m\n".
*
* @param fmt
* The new format string, which must be less than 256 bytes.
* You probably will want to end this with a newline (\n).
*
*/
static void setFormatFile(const char *fmt);
static void setFormatScreen(const char *fmt);
/**
* Enable logging.
*
*/
static void enable();
static void enableScreen();
static void enableFile();
/**
* Disable logging.
*
*/
static void disable();
static void disableScreen();
static void disableFile();
/**
* Set callback function for logging to screen.
* @return whether callback was set succesfully.
*
*/
static bool setCallbackScreen(void (*cb)(const char *msg, size_t len));
};
}
#endif /* _INC_ASTRA_LOGGING */
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