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