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/* logger.h
*
* Wrapping logger functions in nice macros
*
* Copyright (C) 2013 Tox project All Rights Reserved.
*
* This file is part of Tox.
*
* Tox 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.
*
* Tox 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 Tox. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef __TOXLOGGER
#define __TOXLOGGER
#include <string.h>
// #define LOGGING
#ifdef LOGGING
typedef enum _LoggerLevel
{
INFO,
DEBUG,
WARNING,
ERROR
} LoggerLevel;
/*
* Set 'level' as the lowest printable level
*/
int logger_init(const char* file_name, LoggerLevel level);
const char* logger_stringify_level(LoggerLevel level);
unsigned logger_get_pid();
void logger_write (LoggerLevel level, const char* format, ...);
char* logger_timestr (char* dest);
#if defined(_WIN32) || defined(__WIN32__) || defined (WIN32)
#define _SFILE (strrchr(__FILE__, '\\') ? strrchr(__FILE__, '\\') + 1 : __FILE__)
#else
#define _SFILE (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILE__)
#endif
#define WRITE_FORMAT(__LEVEL__, format) char* the_str = calloc(sizeof(char), strlen(format)+ 500); sprintf(the_str, "\n[%u] [%s] [%s] [%s:%d %s()] %s", \
logger_get_pid(), logger_stringify_level(__LEVEL__), logger_timestr(__time__), _SFILE, __LINE__, __func__, format)
/* Use these macros */
#define LOGGER_INIT(name, level) logger_init(name, level);
#define LOGGER_INFO(format, ...) do { char __time__[20]; WRITE_FORMAT(INFO, format); logger_write( INFO, the_str, ##__VA_ARGS__ ); free(the_str); } while (0)
#define LOGGER_DEBUG(format, ...) do { char __time__[20]; WRITE_FORMAT(DEBUG, format); logger_write( DEBUG, the_str, ##__VA_ARGS__ ); free(the_str); } while (0)
#define LOGGER_WARNING(format, ...) do { char __time__[20]; WRITE_FORMAT(WARNING, format); logger_write( WARNING, the_str, ##__VA_ARGS__ ); free(the_str); } while (0)
#define LOGGER_ERROR(format, ...) do { char __time__[20]; WRITE_FORMAT(ERROR, format); logger_write( ERROR, the_str, ##__VA_ARGS__ ); free(the_str); } while (0)
/* To do some checks or similar only when logging use this */
#define LOGGER_SCOPE(__SCOPE_DO__) do { __SCOPE_DO__ } while(0)
#else
#define LOGGER_INIT(name, level)
#define LOGGER_INFO(format, ...)
#define LOGGER_DEBUG(format, ...)
#define LOGGER_WARNING(format, ...)
#define LOGGER_ERROR(format, ...)
#define LOGGER_SCOPE(__SCOPE_DO__)
#endif /* LOGGING */
#endif /* __TOXLOGGER */
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