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annotate mod_measure_client_features/mod_measure_client_features.lua @ 6171:fe8222112cf4

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mod_conversejs: Serve base app at / This makes things slightly less awkward for the browser to figure out which URLs belong to a PWA. The app's "start URL" was previously without the '/' and therefore was not considered within the scope of the PWA. Now the canonical app URL will always have a '/'. Prosody/mod_http should take care of redirecting existing links without the trailing / to the new URL. If you have an installation at https://prosody/conversejs then it is now at https://prosody/conversejs/ (the first URL will now redirect to the second URL if you use it). The alternative would be to make the PWA scope include the parent, i.e. the whole of https://prosody/ in this case. This might get messy if other PWAs are provided by the same site or Prosody installation, however.
author Matthew Wild <mwild1@gmail.com>
date Tue, 11 Feb 2025 13:18:38 +0000
parents 3e0bce07f66c
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 statsmanager = require "prosody.core.statsmanager";
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4
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5 local measure_features = module:metric("gauge", "features", "", "Features advertized by clients", {"feature"});
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6
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7 local disco_ns = "http://jabber.org/protocol/disco#info";
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8
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9 module:hook("stats-update", function ()
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10 local total = 0;
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11 local buckets = {};
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12 for _, session in pairs(prosody.full_sessions) do
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13 local disco_info = session.caps_cache;
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14 if disco_info ~= nil then
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15 for feature in disco_info:childtags("feature", disco_ns) do
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16 local var = feature.attr.var;
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17 if var ~= nil then
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18 if buckets[var] == nil then
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19 buckets[var] = 0;
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20 end
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21 buckets[var] = buckets[var] + 1;
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22 end
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23 end
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24 total = total + 1;
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25 end
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26 end
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27 statsmanager.cork();
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28 measure_features:clear();
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29 for bucket, count in pairs(buckets) do
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30 measure_features:with_labels(bucket):add(count);
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31 end
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32 measure_features:with_labels("total"):add(total);
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33 statsmanager.uncork();
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34 end)