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1443
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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
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11 local options = module:get_option("statsd") or {}
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12
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13 -- Create UDP socket to statsd server
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14 local sock = socket.udp()
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15 sock:setpeername(options.hostname or "127.0.0.1", options.port or 8125)
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16
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17 -- Metrics are namespaced by ".", and seperated by newline
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18 function clean(s) return (s:gsub("[%.\n]", "_")) end
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19
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20 -- A 'safer' send function to expose
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21 function send(s) return sock:send(s) end
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22
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23 -- prefix should end in "."
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24 local prefix = (options.prefix or ("prosody." .. clean(module.host))) .. "."
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25
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26 -- Track users as they bind/unbind
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27 -- 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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28 module:hook("resource-bind", function(event)
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29 send(prefix.."bare_sessions:"..iterators.count(bare_sessions).."|g")
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30 send(prefix.."full_sessions:+1|g")
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31 end, 1)
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32 module:hook("resource-unbind", function(event)
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33 send(prefix.."bare_sessions:"..iterators.count(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
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37 -- Track MUC occupants as they join/leave
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38 module:hook("muc-occupant-joined", function(event)
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39 send(prefix.."n_occupants:+1|g")
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40 local room_node = jid.split(event.room.jid)
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41 send(prefix..clean(room_node)..".occupants:+1|g")
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42 end)
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43 module:hook("muc-occupant-left", function(event)
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44 send(prefix.."n_occupants:-1|g")
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45 local room_node = jid.split(event.room.jid)
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46 send(prefix..clean(room_node)..".occupants:-1|g")
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47 end)
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48
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49 -- Misc other MUC
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50 module:hook("muc-broadcast-message", function(event)
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51 send(prefix.."broadcast-message:1|c")
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52 local room_node = jid.split(event.room.jid)
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53 send(prefix..clean(room_node)..".broadcast-message:1|c")
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54 end)
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55 module:hook("muc-invite", function(event)
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56 send(prefix.."invite:1|c")
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57 local room_node = jid.split(event.room.jid)
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58 send(prefix..clean(room_node)..".invite:1|c")
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59 local to_node, to_host, to_resource = jid.split(event.stanza.attr.to)
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60 send(prefix..clean(to_node)..".invites:1|c")
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61 end)
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