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mod_muc_gc10/mod_muc_gc10.lua @ 4877:adc6241e5d16
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> |
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date | Tue, 18 Jan 2022 18:55:20 +0100 |
parent | 3548:8a15a9b13881 |
rev | line source |
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1 local jid_bare = require "util.jid".bare; |
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2 local st = require "util.stanza"; |
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3 |
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4 local rooms = assert(module:depends"muc".rooms, "This module is not needed with Prosody >=0.11"); |
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5 |
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6 module:hook("presence/full", function (event) |
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7 local stanza, origin = event.stanza, event.origin; |
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8 if stanza.attr.type ~= nil then return end |
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9 |
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10 local muc_x = stanza:get_child("x", "http://jabber.org/protocol/muc"); |
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11 |
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12 local room_jid = jid_bare(stanza.attr.to); |
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13 local room = rooms[room_jid]; |
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14 if not room then |
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15 if muc_x then |
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16 -- Normal MUC creation |
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17 else |
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18 module:log("info", "GC 1.0 room creation from %s", stanza.attr.from); |
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19 module:send(st.iq({type="get",id=module.name,from=module.host,to=stanza.attr.from}):query("jabber:iq:version")); |
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20 end |
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21 return; |
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22 end |
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23 local current_nick = room._jid_nick[stanza.attr.from]; |
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24 |
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25 if current_nick then |
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26 -- present |
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27 if muc_x then |
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28 module:log("info", "MUC desync with %s", stanza.attr.from); |
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29 module:send(st.iq({type="get",id=module.name,from=module.host,to=stanza.attr.from}):query("jabber:iq:version")); |
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30 else |
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31 -- normal presence update |
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32 end |
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33 else |
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34 -- joining |
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35 if muc_x then |
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36 -- normal join |
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37 else |
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38 module:log("info", "GC 1.0 join from %s", stanza.attr.from); |
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39 module:send(st.iq({type="get",id=module.name,from=module.host,to=stanza.attr.from}):query("jabber:iq:version")); |
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40 end |
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41 end |
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42 end); |
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43 |
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44 module:hook("iq-result/host/"..module.name, function (event) |
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45 local stanza, origin = event.stanza, event.origin; |
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46 local version = stanza:get_child("query", "jabber:iq:version"); |
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47 if not version then |
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48 module:log("info", "%s replied with an invalid version reply: %s", stanza.attr.from, tostring(stanza)); |
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49 return true; |
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50 end |
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51 module:log("info", "%s is running: %s %s", stanza.attr.from, version:get_child_text("name"), version:get_child_text("version")); |
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52 end); |
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53 |
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54 module:hook("iq-error/host/"..module.name, function (event) |
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55 local stanza, origin = event.stanza, event.origin; |
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56 module:log("info", "%s replied with an error: %s %s", stanza.attr.from, stanza:get_error()); |
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57 return true; |
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58 end); |