Mercurial > prosody-modules

annotate mod_measure_client_presence/mod_measure_client_presence.lua @ 4877:adc6241e5d16

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mod_measure_process: Report the enforced limit The soft limit is what the kernel actually enforces, while the hard limit is is how far you can change the soft limit without privileges. Unless the process dynamically adjusts the soft limit, knowing the hard limit is not as useful as knowing the soft limit. Reporting the soft limit and the number of in-use FDs allows placing alerts on expressions like 'process_open_fds / process_max_fds >= 0.95'
author Kim Alvefur <zash@zash.se>
date Tue, 18 Jan 2022 18:55:20 +0100
parents 37ae0801f925
children
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37ae0801f925 mod_measure_client_presence: Counts presence show and reports using 0.10+ statistics API.
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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 valid_shows = {
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6 available = true,
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7 chat = true,
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8 away = true,
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9 dnd = true,
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10 xa = true,
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11 unavailable = true,
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12 }
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13
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14 local counters = {
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15 available = measure("amount", "client_presence.available"),
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16 chat = measure("amount", "client_presence.chat"),
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17 away = measure("amount", "client_presence.away"),
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18 dnd = measure("amount", "client_presence.dnd"),
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19 xa = measure("amount", "client_presence.xa"),
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20 unavailable = measure("amount", "client_presence.unavailable"),
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21 invalid = measure("amount", "client_presence.invalid");
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22 };
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23
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24 module:hook("stats-update", function ()
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25 local buckets = {
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26 available = 0,
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27 chat = 0,
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28 away = 0,
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29 dnd = 0,
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30 xa = 0,
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31 unavailable = 0,
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32 invalid = 0,
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33 };
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34 for _, session in pairs(full_sessions) do
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35 local status = "unavailable";
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36 if session.presence then
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37 status = session.presence:get_child_text("show") or "available";
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38 end
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39 if valid_shows[status] ~= nil then
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40 buckets[status] = buckets[status] + 1;
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41 else
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42 buckets.invalid = buckets.invalid + 1;
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43 end
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44 end
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45 for bucket, count in pairs(buckets) do
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46 counters[bucket](count)
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47 end
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48 end)