Mercurial > prosody-modules

annotate mod_measure_client_features/mod_measure_client_features.lua @ 5536:96dec7681af8

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mod_firewall: Update user marks to store instantly via map store The original approach was to keep marks in memory only, and persist them at shutdown. That saves I/O, at the cost of potentially losing marks on an unclean shutdown. This change persists marks instantly, which may have some performance overhead but should be more "correct". It also splits the marking/unmarking into an event which may be watched or even fired by other modules.
author Matthew Wild <mwild1@gmail.com>
date Thu, 08 Jun 2023 16:20:42 +0100
parents 5fdbf416bd40
children
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5fdbf416bd40 mod_measure_client_features: Add a module to count the features of each connected client
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1 module:set_global();
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2
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3 local measure = require"core.statsmanager".measure;
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4
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5 local disco_ns = "http://jabber.org/protocol/disco#info";
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6
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7 local counters = {
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8 total = measure("amount", "client_features.total");
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9 };
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10
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11 module:hook("stats-update", function ()
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12 local total = 0;
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13 local buckets = {};
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14 for _, session in pairs(prosody.full_sessions) do
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15 local disco_info = session.caps_cache;
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16 if disco_info ~= nil then
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17 for feature in disco_info:childtags("feature", disco_ns) do
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18 local var = feature.attr.var;
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19 if var ~= nil then
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20 if buckets[var] == nil then
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21 buckets[var] = 0;
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22 end
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23 buckets[var] = buckets[var] + 1;
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24 end
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25 end
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26 total = total + 1;
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27 end
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28 end
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29 for bucket, count in pairs(buckets) do
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30 if counters[bucket] == nil then
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31 counters[bucket] = measure("amount", "client_features."..bucket);
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32 end
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33 counters[bucket](count);
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34 end
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35 counters.total(total);
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36 end)