annotate mod_pubsub_stats/mod_pubsub_stats.lua @ 3532:85c357b69eec

mod_csi_muc_priorities: Reduce importance of group chat messages This helps if you are in more noisy public channels than small private group chats. The short term plan is to give users the ability to set MUC JIDs as either high or low priority and use that. Long term it would be great to be able to automatically classify MUCs as public channels vs private group chats.
author Kim Alvefur <zash@zash.se>
date Mon, 01 Apr 2019 00:15:13 +0200
parents b2ce818ec19c
children
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b01ef74c9fc0 mod_pubsub_stats: Simple module that publishes stats in XEP-0039 format
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1 local st = require "util.stanza";
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3 local pubsub = module:depends"pubsub";
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4
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5 local actor = module.host .. "/modules/" .. module.name;
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6
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7 local pubsub_xmlns = "http://jabber.org/protocol/pubsub"
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8
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9 local node = module:get_option_string(module.name .. "_node", "stats");
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10
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11 local function publish_stats(stats, stats_extra)
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12 local id = "current";
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13 local xitem = st.stanza("item", { xmlns = pubsub_xmlns, id = id })
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14 :tag("query", { xmlns = "http://jabber.org/protocol/stats" });
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16 for name, value in pairs(stats) do
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17 local stat_extra = stats_extra[name];
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18 local unit = stat_extra and stat_extra.units;
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19 xitem:tag("stat", { name = name, unit = unit, value = tostring(value) }):up();
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20 end
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21
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22 local ok, err = pubsub.service:publish(node, actor, id, xitem);
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23 if not ok then
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24 module:log("error", "Error publishing stats: %s", err);
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25 end
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26 end
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28 function module.load()
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29 pubsub.service:create(node, true, {
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30 persistent_items = false;
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31 max_items = 1;
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32 });
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33 pubsub.service:set_affiliation(node, true, actor, "publisher");
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34 end
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36 module:hook_global("stats-updated", function (event)
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37 publish_stats(event.stats, event.stats_extra);
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38 end);
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39
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40 function module.unload()
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41 pubsub.service:delete(node, true);
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42 end
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44 module:hook("pubsub-summary/http://jabber.org/protocol/stats", function (event)
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45 local payload = event.payload;
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46 local summary = {};
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47 for stat in payload:childtags("stat") do
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48 if stat.attr.name and stat.attr.value then
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49 table.insert(summary, string.format("%s: %g %s", stat.attr.name, tonumber(stat.attr.value), stat.attr.units or ""));
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50 end
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51 end
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52 table.sort(summary);
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53 return table.concat(summary, "\n");
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54 end);
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