prosody
b3ae48362f78
core/loggingmanager.lua

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core/loggingmanager.lua @ 11226:b3ae48362f78 0.11

mod_s2s: Prevent whitespace keepalives the stream has been opened This will result in the stream timing out instead, which is probably correct if the stream has not been opened yet. This was already done for c2s in e69df8093387 Thanks Ge0rG
author Kim Alvefur <zash@zash.se>
date Thu, 10 Dec 2020 11:53:10 +0100
parent 8750:7ae09468ad92
child 9902:3eea63a68e0f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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Matthew Wild <mwild1@gmail.com>
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9 local format = require "util.format".format;
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10 local setmetatable, rawset, pairs, ipairs, type =
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11 setmetatable, rawset, pairs, ipairs, type;
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12 local stdout = io.stdout;
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13 local io_open = io.open;
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14 local math_max, rep = math.max, string.rep;
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15 local os_date = os.date;
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16 local getstyle, getstring = require "util.termcolours".getstyle, require "util.termcolours".getstring;
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17
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18 local config = require "core.configmanager";
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19 local logger = require "util.logger";
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20
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21 local _ENV = nil;
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22 -- luacheck: std none
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23
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24 -- The log config used if none specified in the config file (see reload_logging for initialization)
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25 local default_logging;
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26 local default_file_logging;
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27 local default_timestamp = "%b %d %H:%M:%S ";
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28 -- The actual config loggingmanager is using
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29 local logging_config;
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30
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31 local apply_sink_rules;
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32 local log_sink_types = setmetatable({}, { __newindex = function (t, k, v) rawset(t, k, v); apply_sink_rules(k); end; });
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33 local get_levels;
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34 local logging_levels = { "debug", "info", "warn", "error" }
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35
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36 -- Put a rule into action. Requires that the sink type has already been registered.
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37 -- This function is called automatically when a new sink type is added [see apply_sink_rules()]
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38 local function add_rule(sink_config)
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39 local sink_maker = log_sink_types[sink_config.to];
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40 if not sink_maker then
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41 return; -- No such sink type
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42 end
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43
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44 -- Create sink
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45 local sink = sink_maker(sink_config);
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46
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47 -- Set sink for all chosen levels
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48 for level in pairs(get_levels(sink_config.levels or logging_levels)) do
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49 logger.add_level_sink(level, sink);
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50 end
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51 end
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52
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53 -- Search for all rules using a particular sink type, and apply
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54 -- them. Called automatically when a new sink type is added to
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55 -- the log_sink_types table.
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56 function apply_sink_rules(sink_type)
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57 if type(logging_config) == "table" then
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58
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59 for _, level in ipairs(logging_levels) do
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60 if type(logging_config[level]) == "string" then
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61 local value = logging_config[level];
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62 if sink_type == "file" and not value:match("^%*") then
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63 add_rule({
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64 to = sink_type;
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65 filename = value;
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66 timestamps = true;
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67 levels = { min = level };
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68 });
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69 elseif value == "*"..sink_type then
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70 add_rule({
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71 to = sink_type;
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72 levels = { min = level };
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73 });
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74 end
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75 end
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76 end
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77
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78 for _, sink_config in ipairs(logging_config) do
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79 if (type(sink_config) == "table" and sink_config.to == sink_type) then
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80 add_rule(sink_config);
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81 elseif (type(sink_config) == "string" and sink_config:match("^%*(.+)") == sink_type) then
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82 add_rule({ levels = { min = "debug" }, to = sink_type });
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83 end
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84 end
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85 elseif type(logging_config) == "string" and (not logging_config:match("^%*")) and sink_type == "file" then
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86 -- User specified simply a filename, and the "file" sink type
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87 -- was just added
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88 for _, sink_config in pairs(default_file_logging) do
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89 sink_config.filename = logging_config;
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90 add_rule(sink_config);
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91 sink_config.filename = nil;
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92 end
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93 elseif type(logging_config) == "string" and logging_config:match("^%*(.+)") == sink_type then
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94 -- Log all levels (debug+) to this sink
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95 add_rule({ levels = { min = "debug" }, to = sink_type });
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96 end
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97 end
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98
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100
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101 --- Helper function to get a set of levels given a "criteria" table
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102 function get_levels(criteria, set)
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103 set = set or {};
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104 if type(criteria) == "string" then
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105 set[criteria] = true;
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106 return set;
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107 end
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108 local min, max = criteria.min, criteria.max;
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109 if min or max then
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110 local in_range;
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111 for _, level in ipairs(logging_levels) do
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112 if min == level then
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113 set[level] = true;
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114 in_range = true;
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115 elseif max == level then
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116 set[level] = true;
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117 return set;
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118 elseif in_range then
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119 set[level] = true;
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120 end
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121 end
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parents: 1016
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122 end
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123
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diff changeset
124 for _, level in ipairs(criteria) do
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125 set[level] = true;
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diff changeset
126 end
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diff changeset
127 return set;
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diff changeset
128 end
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diff changeset
129
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130 -- Initialize config, etc. --
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131 local function reload_logging()
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132 local old_sink_types = {};
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133
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134 for name, sink_maker in pairs(log_sink_types) do
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135 old_sink_types[name] = sink_maker;
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136 log_sink_types[name] = nil;
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137 end
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138
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diff changeset
139 logger.reset();
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140
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141 local debug_mode = config.get("*", "debug");
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142
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143 default_logging = { { to = "console" , levels = { min = (debug_mode and "debug") or "info" } } };
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144 default_file_logging = {
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145 { to = "file", levels = { min = (debug_mode and "debug") or "info" }, timestamps = true }
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146 };
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147
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148 logging_config = config.get("*", "log") or default_logging;
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149
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150 for name, sink_maker in pairs(old_sink_types) do
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151 log_sink_types[name] = sink_maker;
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152 end
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153 end
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154
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155 --- Definition of built-in logging sinks ---
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156
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157 -- Null sink, must enter log_sink_types *first*
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158 local function log_to_nowhere()
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159 return function () return false; end;
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parents: 1024
diff changeset
160 end
7134
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161 log_sink_types.nowhere = log_to_nowhere;
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162
7134
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163 local function log_to_file(sink_config, logfile)
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164 logfile = logfile or io_open(sink_config.filename, "a+");
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165 if not logfile then
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166 return log_to_nowhere(sink_config);
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167 end
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168 local write = logfile.write;
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169
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170 local timestamps = sink_config.timestamps;
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171
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172 if timestamps == true or timestamps == nil then
1078
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173 timestamps = default_timestamp; -- Default format
7137
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diff changeset
174 elseif timestamps then
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175 timestamps = timestamps .. " ";
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176 end
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177
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178 if sink_config.buffer_mode ~= false then
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179 logfile:setvbuf(sink_config.buffer_mode or "line");
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180 end
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181
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182 -- Column width for "source" (used by stdout and console)
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183 local sourcewidth = sink_config.source_width;
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184
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185 if sourcewidth then
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186 return function (name, level, message, ...)
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187 sourcewidth = math_max(#name+2, sourcewidth);
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188 write(logfile, timestamps and os_date(timestamps) or "", name, rep(" ", sourcewidth-#name), level, "\t", format(message, ...), "\n");
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189 end
8227
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190 else
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191 return function (name, level, message, ...)
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diff changeset
192 write(logfile, timestamps and os_date(timestamps) or "", name, "\t", level, "\t", format(message, ...), "\n");
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193 end
7134
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194 end
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195 end
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196 log_sink_types.file = log_to_file;
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197
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198 local function log_to_stdout(sink_config)
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diff changeset
199 if not sink_config.timestamps then
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diff changeset
200 sink_config.timestamps = false;
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diff changeset
201 end
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diff changeset
202 if sink_config.source_width == nil then
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diff changeset
203 sink_config.source_width = 20;
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diff changeset
204 end
7135
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diff changeset
205 return log_to_file(sink_config, stdout);
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diff changeset
206 end
7134
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diff changeset
207 log_sink_types.stdout = log_to_stdout;
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208
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diff changeset
209 local do_pretty_printing = true;
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210
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diff changeset
211 local logstyles;
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diff changeset
212 if do_pretty_printing then
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diff changeset
213 logstyles = {};
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diff changeset
214 logstyles["info"] = getstyle("bold");
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diff changeset
215 logstyles["warn"] = getstyle("bold", "yellow");
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diff changeset
216 logstyles["error"] = getstyle("bold", "red");
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diff changeset
217 end
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218
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diff changeset
219 local function log_to_console(sink_config)
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diff changeset
220 -- Really if we don't want pretty colours then just use plain stdout
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diff changeset
221 local logstdout = log_to_stdout(sink_config);
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diff changeset
222 if not do_pretty_printing then
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diff changeset
223 return logstdout;
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diff changeset
224 end
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diff changeset
225 return function (name, level, message, ...)
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diff changeset
226 local logstyle = logstyles[level];
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diff changeset
227 if logstyle then
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diff changeset
228 level = getstring(logstyle, level);
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diff changeset
229 end
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diff changeset
230 return logstdout(name, level, message, ...);
b7b6b1d01224 loggingmanager: Refactor the console log sink to re-use the stdout sink which in turn uses the file sink (tailcalls!)
Kim Alvefur <zash@zash.se>
parents: 7133
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231 end
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parents: 7133
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232 end
b7b6b1d01224 loggingmanager: Refactor the console log sink to re-use the stdout sink which in turn uses the file sink (tailcalls!)
Kim Alvefur <zash@zash.se>
parents: 7133
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233 log_sink_types.console = log_to_console;
1031
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parents: 1024
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234
6779
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Kim Alvefur <zash@zash.se>
parents: 6719
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235 local function register_sink_type(name, sink_maker)
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parents: 1024
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236 local old_sink_maker = log_sink_types[name];
ec013f93de81 core.loggingmanager: Refactoring, converted to a module. Now possible to register additional sink types (think syslog) from other modules
Matthew Wild <mwild1@gmail.com>
parents: 1024
diff changeset
237 log_sink_types[name] = sink_maker;
ec013f93de81 core.loggingmanager: Refactoring, converted to a module. Now possible to register additional sink types (think syslog) from other modules
Matthew Wild <mwild1@gmail.com>
parents: 1024
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238 return old_sink_maker;
ec013f93de81 core.loggingmanager: Refactoring, converted to a module. Now possible to register additional sink types (think syslog) from other modules
Matthew Wild <mwild1@gmail.com>
parents: 1024
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239 end
ec013f93de81 core.loggingmanager: Refactoring, converted to a module. Now possible to register additional sink types (think syslog) from other modules
Matthew Wild <mwild1@gmail.com>
parents: 1024
diff changeset
240
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Kim Alvefur <zash@zash.se>
parents: 6719
diff changeset
241 return {
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6719
diff changeset
242 reload_logging = reload_logging;
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6719
diff changeset
243 register_sink_type = register_sink_type;
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6719
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244 }