1*2912Sartem /*************************************************************************** 2*2912Sartem * CVSID: $Id$ 3*2912Sartem * 4*2912Sartem * logger.h : Logging facility 5*2912Sartem * 6*2912Sartem * Copyright (C) 2003 David Zeuthen, <david@fubar.dk> 7*2912Sartem * 8*2912Sartem * Licensed under the Academic Free License version 2.1 9*2912Sartem * 10*2912Sartem * This program is free software; you can redistribute it and/or modify 11*2912Sartem * it under the terms of the GNU General Public License as published by 12*2912Sartem * the Free Software Foundation; either version 2 of the License, or 13*2912Sartem * (at your option) any later version. 14*2912Sartem * 15*2912Sartem * This program is distributed in the hope that it will be useful, 16*2912Sartem * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*2912Sartem * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*2912Sartem * GNU General Public License for more details. 19*2912Sartem * 20*2912Sartem * You should have received a copy of the GNU General Public License 21*2912Sartem * along with this program; if not, write to the Free Software 22*2912Sartem * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 23*2912Sartem * 24*2912Sartem **************************************************************************/ 25*2912Sartem 26*2912Sartem #ifndef LOGGER_H 27*2912Sartem #define LOGGER_H 28*2912Sartem 29*2912Sartem #include <stdio.h> 30*2912Sartem #include <stdlib.h> 31*2912Sartem 32*2912Sartem /** 33*2912Sartem * @addtogroup HalDaemonLogging 34*2912Sartem * 35*2912Sartem * @{ 36*2912Sartem */ 37*2912Sartem 38*2912Sartem 39*2912Sartem /** Logging levels for HAL daemon 40*2912Sartem */ 41*2912Sartem enum { 42*2912Sartem HAL_LOGPRI_TRACE = (1 << 0), /**< function call sequences */ 43*2912Sartem HAL_LOGPRI_DEBUG = (1 << 1), /**< debug statements in code */ 44*2912Sartem HAL_LOGPRI_INFO = (1 << 2), /**< informational level */ 45*2912Sartem HAL_LOGPRI_WARNING = (1 << 3), /**< warnings */ 46*2912Sartem HAL_LOGPRI_ERROR = (1 << 4) /**< error */ 47*2912Sartem }; 48*2912Sartem 49*2912Sartem void logger_setup (int priority, const char *file, int line, const char *function); 50*2912Sartem 51*2912Sartem void logger_emit (const char *format, ...); 52*2912Sartem void logger_forward_debug (const char *format, ...); 53*2912Sartem 54*2912Sartem void logger_enable (void); 55*2912Sartem void logger_disable (void); 56*2912Sartem 57*2912Sartem void logger_enable_syslog (void); 58*2912Sartem void logger_disable_syslog (void); 59*2912Sartem 60*2912Sartem void setup_logger (void); 61*2912Sartem 62*2912Sartem #ifdef __SUNPRO_C 63*2912Sartem #define __FUNCTION__ __func__ 64*2912Sartem #endif 65*2912Sartem 66*2912Sartem /** Trace logging macro */ 67*2912Sartem #define HAL_TRACE(expr) do {logger_setup(HAL_LOGPRI_TRACE, __FILE__, __LINE__, __FUNCTION__); logger_emit expr; } while(0) 68*2912Sartem 69*2912Sartem /** Debug information logging macro */ 70*2912Sartem #define HAL_DEBUG(expr) do {logger_setup(HAL_LOGPRI_DEBUG, __FILE__, __LINE__, __FUNCTION__); logger_emit expr; } while(0) 71*2912Sartem 72*2912Sartem /** Information level logging macro */ 73*2912Sartem #define HAL_INFO(expr) do {logger_setup(HAL_LOGPRI_INFO, __FILE__, __LINE__, __FUNCTION__); logger_emit expr; } while(0) 74*2912Sartem 75*2912Sartem /** Warning level logging macro */ 76*2912Sartem #define HAL_WARNING(expr) do {logger_setup(HAL_LOGPRI_WARNING, __FILE__, __LINE__, __FUNCTION__); logger_emit expr; } while(0) 77*2912Sartem 78*2912Sartem /** Error leve logging macro */ 79*2912Sartem #define HAL_ERROR(expr) do {logger_setup(HAL_LOGPRI_ERROR, __FILE__, __LINE__, __FUNCTION__); logger_emit expr; } while(0) 80*2912Sartem 81*2912Sartem /** Macro for terminating the program on an unrecoverable error */ 82*2912Sartem #define DIE(expr) do {printf("*** [DIE] %s:%s():%d : ", __FILE__, __FUNCTION__, __LINE__); printf expr; printf("\n"); exit(1); } while(0) 83*2912Sartem 84*2912Sartem /** @} */ 85*2912Sartem 86*2912Sartem #endif /* LOGGER_H */ 87