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annotate mod_pubsub_stats/mod_pubsub_stats.lua @ 3153:e0de1fdbc80a

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mod_pubsub_post/README: Describe what happens to different data types
author Kim Alvefur <zash@zash.se>
date Wed, 27 Jun 2018 17:35:20 +0200
parents 380f92276e57
children 8a870e0319db
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b01ef74c9fc0 mod_pubsub_stats: Simple module that publishes stats in XEP-0039 format
Kim Alvefur <zash@zash.se>
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1 local st = require "util.stanza";
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2 local dt = require "util.datetime";
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4 local pubsub = module:depends"pubsub";
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6 local actor = module.host .. "/modules/" .. module.name;
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7
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8 local node = module:get_option_string(module.name .. "_node", "stats");
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10 local function publish_stats(stats, stats_extra)
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11 local id = "current";
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12 local xitem = st.stanza("item", { id = id })
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13 :tag("query", { xmlns = "http://jabber.org/protocol/stats" });
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15 for name, value in pairs(stats) do
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16 local stat_extra = stats_extra[name];
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17 local unit = stat_extra and stat_extra.units;
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18 xitem:tag("stat", { name = name, unit = unit, value = tostring(value) }):up();
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19 end
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21 local ok, err = pubsub.service:publish(node, actor, id, xitem);
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22 if not ok then
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23 module:log("error", "Error publishing stats: %s", err);
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24 end
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25 end
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27 function module.load()
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28 pubsub.service:create(node, true);
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29 pubsub.service:set_affiliation(node, true, actor, "publisher");
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30 end
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32 module:hook_global("stats-updated", function (event)
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33 publish_stats(event.stats, event.stats_extra);
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34 end);
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36 function module.unload()
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37 pubsub.service:delete(node, true);
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38 end