annotate mod_statsd/mod_statsd.lua @ 5627:3a5cf8d80089

mod_http_oauth2: Tweak method of centering the UI The percentage here was relative to the viewport width, which on some very wide screens may put the UI slightly outside of the view, requiring scrolling to see. By using a unit relative to the height of the viewport, this is avoided and should work better. But no guarantees, it's still possible to resize the browser or adjust font sizes so that the UI goes out of view.
author Kim Alvefur <zash@zash.se>
date Mon, 31 Jul 2023 07:28:09 +0200
parents c3a039972b74
children
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1 -- Log common stats to statsd
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2 --
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3 -- Copyright (C) 2014 Daurnimator
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4 --
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5 -- This module is MIT/X11 licensed.
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6
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7 local socket = require "socket"
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8 local iterators = require "util.iterators"
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9 local jid = require "util.jid"
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10 local bare_sessions = prosody.bare_sessions;
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11
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12 local options = module:get_option("statsd") or {}
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13
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14 -- Create UDP socket to statsd server
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15 local sock = socket.udp()
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16 sock:setpeername(options.hostname or "127.0.0.1", options.port or 8125)
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17
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18 -- Metrics are namespaced by ".", and separated by newline
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19 function clean(s) return (s:gsub("[%.:\n]", "_")) end
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20
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21 -- A 'safer' send function to expose
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22 function send(s) return sock:send(s) end
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23
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24 -- prefix should end in "."
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25 local prefix = (options.prefix or "prosody") .. "."
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26 if not options.no_host then
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27 prefix = prefix .. clean(module.host) .. "."
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28 end
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29
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30 -- Track users as they bind/unbind
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31 -- count bare sessions every time, as we have no way to tell if it's a new bare session or not
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32 module:hook("resource-bind", function(event)
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33 send(prefix.."bare_sessions:"..iterators.count(pairs(bare_sessions)).."|g")
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34 send(prefix.."full_sessions:+1|g")
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35 end, 1)
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36 module:hook("resource-unbind", function(event)
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37 send(prefix.."bare_sessions:"..iterators.count(pairs(bare_sessions)).."|g")
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38 send(prefix.."full_sessions:-1|g")
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39 end, 1)
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40
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41 -- Track MUC occupants as they join/leave
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42 module:hook("muc-occupant-joined", function(event)
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43 send(prefix.."n_occupants:+1|g")
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44 local room_node = jid.split(event.room.jid)
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45 send(prefix..clean(room_node)..".occupants:+1|g")
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46 end)
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47 module:hook("muc-occupant-left", function(event)
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48 send(prefix.."n_occupants:-1|g")
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49 local room_node = jid.split(event.room.jid)
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50 send(prefix..clean(room_node)..".occupants:-1|g")
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51 end)
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52
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53 -- Misc other MUC
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54 module:hook("muc-broadcast-message", function(event)
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55 send(prefix.."broadcast-message:1|c")
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56 local room_node = jid.split(event.room.jid)
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57 send(prefix..clean(room_node)..".broadcast-message:1|c")
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58 end)
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59 module:hook("muc-invite", function(event)
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60 -- Total count
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61 send(prefix.."invite:1|c")
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62 local room_node = jid.split(event.room.jid)
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63 -- Counts per room
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64 send(prefix..clean(room_node)..".invite:1|c")
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65 -- Counts per recipient
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66 send(prefix..clean(event.stanza.attr.to)..".invited:1|c")
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67 end)
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68 module:hook("muc-decline", function(event)
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69 -- Total count
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70 send(prefix.."decline:1|c")
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71 local room_node = jid.split(event.room.jid)
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72 -- Counts per room
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73 send(prefix..clean(room_node)..".decline:1|c")
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74 -- Counts per sender
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75 send(prefix..clean(event.incoming.attr.from)..".declined:1|c")
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76 end)