/***************************************************************************
* CVSID: $Id$
*
* logger.h : Logging facility
*
* Copyright (C) 2003 David Zeuthen, <david@fubar.dk>
*
* Licensed under the Academic Free License version 2.1
*
* 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 LOGGER_H
#define LOGGER_H
#include <stdio.h>
#include <stdlib.h>
/**
* @addtogroup HalDaemonLogging
*
* @{
*/
/** Logging levels for HAL daemon
*/
enum {
HAL_LOGPRI_TRACE = (1 << 0), /**< function call sequences */
HAL_LOGPRI_DEBUG = (1 << 1), /**< debug statements in code */
HAL_LOGPRI_INFO = (1 << 2), /**< informational level */
HAL_LOGPRI_WARNING = (1 << 3), /**< warnings */
HAL_LOGPRI_ERROR = (1 << 4) /**< error */
};
void logger_setup (int priority, const char *file, int line, const char *function);
void logger_emit (const char *format, ...);
void logger_forward_debug (const char *format, ...);
void logger_enable (void);
void logger_disable (void);
void logger_enable_syslog (void);
void logger_disable_syslog (void);
void setup_logger (void);
#ifdef __SUNPRO_C
#define __FUNCTION__ __func__
#endif
/** Trace logging macro */
#define HAL_TRACE(expr) do {logger_setup(HAL_LOGPRI_TRACE, __FILE__, __LINE__, __FUNCTION__); logger_emit expr; } while(0)
/** Debug information logging macro */
#define HAL_DEBUG(expr) do {logger_setup(HAL_LOGPRI_DEBUG, __FILE__, __LINE__, __FUNCTION__); logger_emit expr; } while(0)
/** Information level logging macro */
#define HAL_INFO(expr) do {logger_setup(HAL_LOGPRI_INFO, __FILE__, __LINE__, __FUNCTION__); logger_emit expr; } while(0)
/** Warning level logging macro */
#define HAL_WARNING(expr) do {logger_setup(HAL_LOGPRI_WARNING, __FILE__, __LINE__, __FUNCTION__); logger_emit expr; } while(0)
/** Error leve logging macro */
#define HAL_ERROR(expr) do {logger_setup(HAL_LOGPRI_ERROR, __FILE__, __LINE__, __FUNCTION__); logger_emit expr; } while(0)
/** Macro for terminating the program on an unrecoverable error */
#define DIE(expr) do {printf("*** [DIE] %s:%s():%d : ", __FILE__, __FUNCTION__, __LINE__); printf expr; printf("\n"); exit(1); } while(0)
/** @} */
#endif /* LOGGER_H */