| 1 | /********************************************************************\ |
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| 2 | * BitlBee -- An IRC to other IM-networks gateway * |
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| 3 | * * |
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| 4 | * Copyright 2002-2005 Wilmer van der Gaast and others * |
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| 5 | \********************************************************************/ |
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| 6 | |
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| 7 | /* Logging services for the bee */ |
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| 8 | |
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| 9 | /* |
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| 10 | This program is free software; you can redistribute it and/or modify |
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| 11 | it under the terms of the GNU General Public License as published by |
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| 12 | the Free Software Foundation; either version 2 of the License, or |
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| 13 | (at your option) any later version. |
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| 14 | |
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| 15 | This program is distributed in the hope that it will be useful, |
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| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 18 | GNU General Public License for more details. |
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| 19 | |
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| 20 | You should have received a copy of the GNU General Public License with |
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| 21 | the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; |
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| 22 | if not, write to the Free Software Foundation, Inc., 59 Temple Place, |
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| 23 | Suite 330, Boston, MA 02111-1307 USA |
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| 24 | */ |
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| 25 | |
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| 26 | #define BITLBEE_CORE |
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| 27 | #include "bitlbee.h" |
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| 28 | #include <syslog.h> |
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| 29 | |
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| 30 | static log_t logoutput; |
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| 31 | |
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| 32 | static void log_null(int level, const char *logmessage); |
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| 33 | static void log_irc(int level, const char *logmessage); |
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| 34 | static void log_syslog(int level, const char *logmessage); |
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| 35 | static void log_console(int level, const char *logmessage); |
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| 36 | |
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| 37 | void log_init(void) { |
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| 38 | openlog("bitlbee", LOG_PID, LOG_DAEMON); |
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| 39 | |
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| 40 | logoutput.informational = &log_null; |
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| 41 | logoutput.warning = &log_null; |
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| 42 | logoutput.error = &log_null; |
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| 43 | #ifdef DEBUG |
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| 44 | logoutput.debug = &log_null; |
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| 45 | #endif |
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| 46 | |
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| 47 | return; |
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| 48 | } |
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| 49 | |
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| 50 | void log_link(int level, int output) { |
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| 51 | /* I know it's ugly, but it works and I didn't feel like messing with pointer to function pointers */ |
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| 52 | |
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| 53 | if(level == LOGLVL_INFO) { |
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| 54 | if(output == LOGOUTPUT_NULL) |
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| 55 | logoutput.informational = &log_null; |
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| 56 | else if(output == LOGOUTPUT_IRC) |
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| 57 | logoutput.informational = &log_irc; |
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| 58 | else if(output == LOGOUTPUT_SYSLOG) |
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| 59 | logoutput.informational = &log_syslog; |
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| 60 | else if(output == LOGOUTPUT_CONSOLE) |
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| 61 | logoutput.informational = &log_console; |
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| 62 | } |
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| 63 | else if(level == LOGLVL_WARNING) { |
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| 64 | if(output == LOGOUTPUT_NULL) |
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| 65 | logoutput.warning = &log_null; |
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| 66 | else if(output == LOGOUTPUT_IRC) |
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| 67 | logoutput.warning = &log_irc; |
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| 68 | else if(output == LOGOUTPUT_SYSLOG) |
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| 69 | logoutput.warning = &log_syslog; |
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| 70 | else if(output == LOGOUTPUT_CONSOLE) |
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| 71 | logoutput.warning = &log_console; |
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| 72 | } |
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| 73 | else if(level == LOGLVL_ERROR) { |
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| 74 | if(output == LOGOUTPUT_NULL) |
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| 75 | logoutput.error = &log_null; |
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| 76 | else if(output == LOGOUTPUT_IRC) |
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| 77 | logoutput.error = &log_irc; |
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| 78 | else if(output == LOGOUTPUT_SYSLOG) |
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| 79 | logoutput.error = &log_syslog; |
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| 80 | else if(output == LOGOUTPUT_CONSOLE) |
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| 81 | logoutput.error = &log_console; |
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| 82 | } |
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| 83 | #ifdef DEBUG |
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| 84 | else if(level == LOGLVL_DEBUG) { |
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| 85 | if(output == LOGOUTPUT_NULL) |
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| 86 | logoutput.debug = &log_null; |
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| 87 | else if(output == LOGOUTPUT_IRC) |
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| 88 | logoutput.debug = &log_irc; |
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| 89 | else if(output == LOGOUTPUT_SYSLOG) |
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| 90 | logoutput.debug = &log_syslog; |
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| 91 | else if(output == LOGOUTPUT_CONSOLE) |
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| 92 | logoutput.debug = &log_console; |
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| 93 | } |
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| 94 | #endif |
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| 95 | return; |
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| 96 | |
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| 97 | } |
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| 98 | |
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| 99 | void log_message(int level, const char *message, ... ) { |
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| 100 | |
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| 101 | va_list ap; |
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| 102 | char *msgstring; |
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| 103 | |
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| 104 | va_start(ap, message); |
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| 105 | msgstring = g_strdup_vprintf(message, ap); |
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| 106 | va_end(ap); |
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| 107 | |
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| 108 | if(level == LOGLVL_INFO) |
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| 109 | (*(logoutput.informational))(level, msgstring); |
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| 110 | if(level == LOGLVL_WARNING) |
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| 111 | (*(logoutput.warning))(level, msgstring); |
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| 112 | if(level == LOGLVL_ERROR) |
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| 113 | (*(logoutput.error))(level, msgstring); |
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| 114 | #ifdef DEBUG |
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| 115 | if(level == LOGLVL_DEBUG) |
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| 116 | (*(logoutput.debug))(level, msgstring); |
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| 117 | #endif |
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| 118 | |
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| 119 | g_free(msgstring); |
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| 120 | |
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| 121 | return; |
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| 122 | } |
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| 123 | |
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| 124 | void log_error(const char *functionname) { |
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| 125 | log_message(LOGLVL_ERROR, "%s: %s", functionname, strerror(errno)); |
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| 126 | |
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| 127 | return; |
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| 128 | } |
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| 129 | |
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| 130 | static void log_null(int level, const char *message) { |
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| 131 | return; |
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| 132 | } |
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| 133 | |
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| 134 | static void log_irc(int level, const char *message) { |
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| 135 | if(level == LOGLVL_ERROR) |
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| 136 | irc_write_all(1, "ERROR :Error: %s", message); |
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| 137 | if(level == LOGLVL_WARNING) |
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| 138 | irc_write_all(0, "ERROR :Warning: %s", message); |
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| 139 | if(level == LOGLVL_INFO) |
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| 140 | irc_write_all(0, "ERROR :Informational: %s", message); |
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| 141 | #ifdef DEBUG |
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| 142 | if(level == LOGLVL_DEBUG) |
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| 143 | irc_write_all(0, "ERROR :Debug: %s", message); |
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| 144 | #endif |
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| 145 | |
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| 146 | return; |
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| 147 | } |
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| 148 | |
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| 149 | static void log_syslog(int level, const char *message) { |
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| 150 | if(level == LOGLVL_ERROR) |
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| 151 | syslog(LOG_ERR, "%s", message); |
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| 152 | if(level == LOGLVL_WARNING) |
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| 153 | syslog(LOG_WARNING, "%s", message); |
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| 154 | if(level == LOGLVL_INFO) |
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| 155 | syslog(LOG_INFO, "%s", message); |
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| 156 | #ifdef DEBUG |
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| 157 | if(level == LOGLVL_DEBUG) |
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| 158 | syslog(LOG_DEBUG, "%s", message); |
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| 159 | #endif |
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| 160 | return; |
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| 161 | } |
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| 162 | |
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| 163 | static void log_console(int level, const char *message) { |
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| 164 | if(level == LOGLVL_ERROR) |
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| 165 | fprintf(stderr, "Error: %s\n", message); |
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| 166 | if(level == LOGLVL_WARNING) |
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| 167 | fprintf(stderr, "Warning: %s\n", message); |
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| 168 | if(level == LOGLVL_INFO) |
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| 169 | fprintf(stdout, "Informational: %s\n", message); |
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| 170 | #ifdef DEBUG |
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| 171 | if(level == LOGLVL_DEBUG) |
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| 172 | fprintf(stdout, "Debug: %s\n", message); |
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| 173 | #endif |
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| 174 | /* Always log stuff in syslogs too. */ |
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| 175 | log_syslog(level, message); |
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| 176 | return; |
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| 177 | } |
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