sysd/include/log.h

Go to the documentation of this file.
00001 #ifndef __LOG_H__
00002 #define __LOG_H__
00003 
00004 /**
00005  * File Name  : log.h
00006  *
00007  * Description: Macros for debug printing.
00008  *
00009  * The value of ERREGLOG_X_ON (with X one of LOGGING, WARNING or ERROR)
00010  * determines whether a message will be printed. The value as defined
00011  * in this file can be overruled by defining them before the inclusion of this file.
00012  *
00013  * This file is best included in c files only.
00014  */
00015 
00016 /*
00017  * This file is part of sysd.
00018  *
00019  * sysd is free software: you can redistribute it and/or modify
00020  * it under the terms of the GNU General Public License as published by
00021  * the Free Software Foundation, either version 2 of the License, or
00022  * (at your option) any later version.
00023  *
00024  * sysd is distributed in the hope that it will be useful,
00025  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00026  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
00027  * GNU General Public License for more details.
00028  *
00029  * You should have received a copy of the GNU General Public License
00030  * along with this program. If not, see <http://www.gnu.org/licenses/>.
00031  */
00032 
00033 /**
00034  * Copyright (C) 2008 iRex Technologies B.V.
00035  * All rights reserved.
00036  */
00037 
00038 #include <stdio.h>
00039 #include <config.h>
00040 
00041 #define LOG_PREFIX PACKAGE_NAME
00042 
00043 #ifndef USE_SYSLOG
00044 #define USE_SYSLOG 0
00045 #endif
00046  
00047 #ifndef DMLOGGING_ON
00048 #define DMLOGGING_ON 0
00049 #endif
00050 
00051 #ifndef TESTING_ON
00052 #define TESTING_ON 1
00053 #endif
00054 
00055 #ifndef LOGGING_ON
00056 #define LOGGING_ON 0
00057 #endif
00058 
00059 #ifndef WARNING_ON
00060 #define WARNING_ON 1
00061 #endif
00062 
00063 #ifndef ERROR_ON
00064 #define ERROR_ON 1
00065 #endif
00066 
00067 
00068 #if (USE_SYSLOG)
00069 #include <syslog.h>
00070 #define LOG_OPEN(X) openlog(X, LOG_PID | LOG_NDELAY, LOG_USER)
00071 #define LOG_CLOSE() closelog()
00072 #else
00073 #define LOG_OPEN(X) do {} while (0)
00074 #define LOG_CLOSE() do {} while (0)
00075 #endif
00076 
00077 #if (DMLOGGING_ON)
00078 #if (USE_SYSLOG)
00079 #define DMPPRINTF(format, args...) syslog(LOG_INFO | LOG_USER, __FILE__ "[DM] " format "\n", ##args)
00080 #else
00081 #define DMPPRINTF(format, args...) fprintf(stderr, "(" LOG_PREFIX "_L) [DM] " format "\n", ##args)
00082 #endif
00083 #else
00084 #define DMPPRINTF(format, args...) do {} while (0)
00085 #endif
00086 
00087 #if (LOGGING_ON)
00088 #if (USE_SYSLOG)
00089 #define LOGPRINTF(format, args...) syslog(LOG_INFO | LOG_USER, __FILE__ ":%d,%s() " format "\n", __LINE__, __func__ , ##args)
00090 #else
00091 #define LOGPRINTF(format, args...) fprintf(stderr, "(" LOG_PREFIX "_L)" __FILE__ ":%d,%s() " format "\n", __LINE__, __func__ , ##args)
00092 #endif
00093 #else
00094 #define LOGPRINTF(format, args...) do {} while (0)
00095 #endif
00096 
00097 #if (WARNING_ON)
00098 #if (USE_SYSLOG)
00099 #define WARNPRINTF(format, args...) syslog(LOG_WARNING | LOG_USER, __FILE__ ":%d,%s() " format "\n", __LINE__, __func__ , ##args)
00100 #else
00101 #define WARNPRINTF(format, args...) fprintf(stderr, "(" LOG_PREFIX "_W)" __FILE__ ":%d,%s() " format "\n", __LINE__, __func__ , ##args)
00102 #endif
00103 #else
00104 #define WARNPRINTF(format, args...) do {} while (0)
00105 #endif
00106 
00107 #if (ERROR_ON)
00108 #include <errno.h>
00109 #include <string.h>
00110 #if (USE_SYSLOG)
00111 #define ERRORPRINTF(format, args...) syslog(LOG_ERR | LOG_USER, __FILE__ ":%d,%s() --- " format "\n", __LINE__, __func__ , ##args)
00112 #define ERRNOPRINTF(format, args...) syslog(LOG_ERR | LOG_USER, __FILE__ ":%d,%s() --- " format ", errno [%d] [%s]\n", __LINE__, __func__ , ##args, errno, strerror(errno))
00113 #else
00114 #define ERRORPRINTF(format, args...) fprintf(stderr, "(" LOG_PREFIX "_E)" __FILE__ ":%d,%s() --- " format "\n", __LINE__, __func__ , ##args)
00115 #define ERRNOPRINTF(format, args...) fprintf(stderr, "(" LOG_PREFIX "_E)" __FILE__ ":%d,%s() --- " format ", errno [%d] [%s]\n", __LINE__, __func__ , ##args, errno, strerror(errno))
00116 #endif
00117 #else
00118 #define ERRORPRINTF(format, args...) do {} while (0)
00119 #define ERRNOPRINTF(format, args...) do {} while (0)
00120 #endif
00121 
00122 #endif // __LOG_H__