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, char *logmessage); |
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33 | static void log_irc(int level, char *logmessage); |
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34 | static void log_syslog(int level, char *logmessage); |
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35 | static void log_console(int level, 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, 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(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, 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, 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, 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, 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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