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util/logger.lua @ 7459:94af49ad657e
mod_privacy: Fix selecting the top resource (fixes #694)
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 22 Jun 2016 22:22:29 +0200 |
parent | 4937:b3fe52353295 |
child | 5776:bd0ff8ae98a8 |
rev | line source |
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Remove version number from copyright headers
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1 -- Prosody IM |
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Update copyright headers for 2010
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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 -- |
758 | 5 -- This project is MIT/X11 licensed. Please see the |
6 -- COPYING file in the source package for more information. | |
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7 -- |
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8 |
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Make it possible to set custom output handler for logger
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9 local pcall = pcall; |
262 | 10 |
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util.logger: Small code tidying :)
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11 local find = string.find; |
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12 local ipairs, pairs, setmetatable = ipairs, pairs, setmetatable; |
262 | 13 |
30 | 14 module "logger" |
15 | |
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16 local level_sinks = {}; |
262 | 17 |
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18 local make_logger; |
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19 |
30 | 20 function init(name) |
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21 local log_debug = make_logger(name, "debug"); |
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22 local log_info = make_logger(name, "info"); |
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23 local log_warn = make_logger(name, "warn"); |
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24 local log_error = make_logger(name, "error"); |
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25 |
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26 return function (level, message, ...) |
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27 if level == "debug" then |
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28 return log_debug(message, ...); |
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29 elseif level == "info" then |
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30 return log_info(message, ...); |
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31 elseif level == "warn" then |
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32 return log_warn(message, ...); |
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33 elseif level == "error" then |
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34 return log_error(message, ...); |
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35 end |
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36 end |
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37 end |
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38 |
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39 function make_logger(source_name, level) |
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40 local level_handlers = level_sinks[level]; |
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41 if not level_handlers then |
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42 level_handlers = {}; |
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43 level_sinks[level] = level_handlers; |
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44 end |
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45 |
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46 local logger = function (message, ...) |
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util.logger: Remove my precious premature optimisation :(
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47 for i = 1,#level_handlers do |
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48 level_handlers[i](source_name, level, message, ...); |
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49 end |
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50 end |
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51 |
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52 return logger; |
30 | 53 end |
54 | |
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55 function reset() |
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56 for level, handler_list in pairs(level_sinks) do |
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57 -- Clear all handlers for this level |
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58 for i = 1, #handler_list do |
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59 handler_list[i] = nil; |
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60 end |
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61 end |
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62 end |
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63 |
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64 function add_level_sink(level, sink_function) |
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65 if not level_sinks[level] then |
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66 level_sinks[level] = { sink_function }; |
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67 else |
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68 level_sinks[level][#level_sinks[level] + 1 ] = sink_function; |
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69 end |
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70 end |
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71 |
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72 _M.new = make_logger; |
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73 |
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Remove or comment useless prints, or change them to log()
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74 return _M; |