Annotate

core/loggingmanager.lua @ 8791:8da11142fabf

muc: Allow clients to change multiple affiliations or roles at once (#345) According to XEP-0045 sections 9.2, 9.5 and 9.8 affiliation lists and role lists should allow mass-modification. Prosody however would just use the first entry of the list and ignore the rest. This is fixed by introducing a `for` loop to `set` stanzas of the respective `muc#admin` namespace. In order for this loop to work, the error handling was changed a little. Prosody no longer returns after the first error. Instead, an error reply is sent for each malformed or otherwise wrong entry, but the loop keeps going over the other entries. This may lead to multiple error messages being sent for one client request. A notable exception from this is when the XML Schema for `muc#admin` requests is violated. In that case the loop is aborted with an error message to the client. The change is a bit bigger than that in order to have the loop only for `set` stanzas without changing the behaviour of the `get` stanzas. This is now more in line with trunk, where there are separate methods for each stanza type. References: #345
author Lennart Sauerbeck <devel@lennart.sauerbeck.org>
date Sat, 18 Mar 2017 18:47:28 +0100
parent 8355:45383e071ded
child 8555:4f0f5b49bb03
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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 -- luacheck: globals log prosody.log
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9
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10 local format = require "util.format".format;
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11 local setmetatable, rawset, pairs, ipairs, type =
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12 setmetatable, rawset, pairs, ipairs, type;
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13 local stdout = io.stdout;
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14 local io_open = io.open;
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15 local math_max, rep = math.max, string.rep;
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16 local os_date = os.date;
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17 local getstyle, getstring = require "util.termcolours".getstyle, require "util.termcolours".getstring;
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19 local config = require "core.configmanager";
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20 local logger = require "util.logger";
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21 local prosody = prosody;
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23 _G.log = logger.init("general");
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24 prosody.log = logger.init("general");
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25
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26 local _ENV = nil;
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28 -- The log config used if none specified in the config file (see reload_logging for initialization)
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29 local default_logging;
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30 local default_file_logging;
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31 local default_timestamp = "%b %d %H:%M:%S ";
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32 -- The actual config loggingmanager is using
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33 local logging_config;
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34
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35 local apply_sink_rules;
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36 local log_sink_types = setmetatable({}, { __newindex = function (t, k, v) rawset(t, k, v); apply_sink_rules(k); end; });
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37 local get_levels;
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38 local logging_levels = { "debug", "info", "warn", "error" }
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39
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40 -- Put a rule into action. Requires that the sink type has already been registered.
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41 -- This function is called automatically when a new sink type is added [see apply_sink_rules()]
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42 local function add_rule(sink_config)
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43 local sink_maker = log_sink_types[sink_config.to];
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44 if not sink_maker then
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45 return; -- No such sink type
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46 end
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47
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48 -- Create sink
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49 local sink = sink_maker(sink_config);
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50
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51 -- Set sink for all chosen levels
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52 for level in pairs(get_levels(sink_config.levels or logging_levels)) do
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53 logger.add_level_sink(level, sink);
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54 end
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55 end
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56
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57 -- Search for all rules using a particular sink type, and apply
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58 -- them. Called automatically when a new sink type is added to
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59 -- the log_sink_types table.
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60 function apply_sink_rules(sink_type)
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61 if type(logging_config) == "table" then
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62
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63 for _, level in ipairs(logging_levels) do
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64 if type(logging_config[level]) == "string" then
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65 local value = logging_config[level];
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66 if sink_type == "file" and not value:match("^%*") then
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67 add_rule({
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68 to = sink_type;
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69 filename = value;
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70 timestamps = true;
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71 levels = { min = level };
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72 });
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73 elseif value == "*"..sink_type then
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74 add_rule({
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75 to = sink_type;
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76 levels = { min = level };
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77 });
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78 end
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79 end
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80 end
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81
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82 for _, sink_config in ipairs(logging_config) do
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83 if (type(sink_config) == "table" and sink_config.to == sink_type) then
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84 add_rule(sink_config);
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85 elseif (type(sink_config) == "string" and sink_config:match("^%*(.+)") == sink_type) then
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86 add_rule({ levels = { min = "debug" }, to = sink_type });
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87 end
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88 end
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89 elseif type(logging_config) == "string" and (not logging_config:match("^%*")) and sink_type == "file" then
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90 -- User specified simply a filename, and the "file" sink type
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91 -- was just added
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92 for _, sink_config in pairs(default_file_logging) do
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93 sink_config.filename = logging_config;
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94 add_rule(sink_config);
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95 sink_config.filename = nil;
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96 end
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97 elseif type(logging_config) == "string" and logging_config:match("^%*(.+)") == sink_type then
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98 -- Log all levels (debug+) to this sink
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99 add_rule({ levels = { min = "debug" }, to = sink_type });
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100 end
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101 end
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102
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103
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104
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105 --- Helper function to get a set of levels given a "criteria" table
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106 function get_levels(criteria, set)
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107 set = set or {};
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108 if type(criteria) == "string" then
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109 set[criteria] = true;
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110 return set;
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111 end
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112 local min, max = criteria.min, criteria.max;
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113 if min or max then
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114 local in_range;
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115 for _, level in ipairs(logging_levels) do
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116 if min == level then
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117 set[level] = true;
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118 in_range = true;
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119 elseif max == level then
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120 set[level] = true;
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121 return set;
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122 elseif in_range then
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123 set[level] = true;
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124 end
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125 end
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126 end
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127
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128 for _, level in ipairs(criteria) do
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129 set[level] = true;
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130 end
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131 return set;
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132 end
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133
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134 -- Initialize config, etc. --
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135 local function reload_logging()
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136 local old_sink_types = {};
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137
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138 for name, sink_maker in pairs(log_sink_types) do
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139 old_sink_types[name] = sink_maker;
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140 log_sink_types[name] = nil;
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141 end
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142
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143 logger.reset();
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144
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145 local debug_mode = config.get("*", "debug");
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146
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147 default_logging = { { to = "console" , levels = { min = (debug_mode and "debug") or "info" } } };
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148 default_file_logging = {
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149 { to = "file", levels = { min = (debug_mode and "debug") or "info" }, timestamps = true }
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150 };
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151
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152 logging_config = config.get("*", "log") or default_logging;
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153
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154 for name, sink_maker in pairs(old_sink_types) do
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155 log_sink_types[name] = sink_maker;
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156 end
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157
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158 prosody.events.fire_event("logging-reloaded");
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159 end
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160
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161 reload_logging();
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162 prosody.events.add_handler("config-reloaded", reload_logging);
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163
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164 --- Definition of built-in logging sinks ---
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165
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166 -- Null sink, must enter log_sink_types *first*
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167 local function log_to_nowhere()
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168 return function () return false; end;
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169 end
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170 log_sink_types.nowhere = log_to_nowhere;
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171
7134
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172 local function log_to_file(sink_config, logfile)
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173 logfile = logfile or io_open(sink_config.filename, "a+");
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174 if not logfile then
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175 return log_to_nowhere(sink_config);
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176 end
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177 local write = logfile.write;
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178
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179 local timestamps = sink_config.timestamps;
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180
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181 if timestamps == true or timestamps == nil then
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182 timestamps = default_timestamp; -- Default format
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183 elseif timestamps then
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184 timestamps = timestamps .. " ";
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185 end
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186
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187 if sink_config.buffer_mode ~= false then
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188 logfile:setvbuf(sink_config.buffer_mode or "line");
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189 end
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190
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191 -- Column width for "source" (used by stdout and console)
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192 local sourcewidth = sink_config.source_width;
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diff changeset
193
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194 if sourcewidth then
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195 return function (name, level, message, ...)
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196 sourcewidth = math_max(#name+2, sourcewidth);
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197 write(logfile, timestamps and os_date(timestamps) or "", name, rep(" ", sourcewidth-#name), level, "\t", format(message, ...), "\n");
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198 end
8227
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diff changeset
199 else
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diff changeset
200 return function (name, level, message, ...)
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diff changeset
201 write(logfile, timestamps and os_date(timestamps) or "", name, "\t", level, "\t", format(message, ...), "\n");
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202 end
7134
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203 end
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204 end
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205 log_sink_types.file = log_to_file;
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206
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diff changeset
207 local function log_to_stdout(sink_config)
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208 if not sink_config.timestamps then
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209 sink_config.timestamps = false;
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diff changeset
210 end
7136
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diff changeset
211 if sink_config.source_width == nil then
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diff changeset
212 sink_config.source_width = 20;
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213 end
7135
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diff changeset
214 return log_to_file(sink_config, stdout);
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215 end
7134
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diff changeset
216 log_sink_types.stdout = log_to_stdout;
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217
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diff changeset
218 local do_pretty_printing = true;
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219
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diff changeset
220 local logstyles;
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diff changeset
221 if do_pretty_printing then
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diff changeset
222 logstyles = {};
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diff changeset
223 logstyles["info"] = getstyle("bold");
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diff changeset
224 logstyles["warn"] = getstyle("bold", "yellow");
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diff changeset
225 logstyles["error"] = getstyle("bold", "red");
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diff changeset
226 end
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227
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diff changeset
228 local function log_to_console(sink_config)
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229 -- Really if we don't want pretty colours then just use plain stdout
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230 local logstdout = log_to_stdout(sink_config);
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231 if not do_pretty_printing then
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232 return logstdout;
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233 end
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234 return function (name, level, message, ...)
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235 local logstyle = logstyles[level];
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236 if logstyle then
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237 level = getstring(logstyle, level);
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238 end
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239 return logstdout(name, level, message, ...);
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240 end
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241 end
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242 log_sink_types.console = log_to_console;
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243
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244 local function register_sink_type(name, sink_maker)
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245 local old_sink_maker = log_sink_types[name];
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246 log_sink_types[name] = sink_maker;
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247 return old_sink_maker;
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248 end
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249
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250 return {
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251 reload_logging = reload_logging;
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252 register_sink_type = register_sink_type;
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253 }