Mercurial > prosody-modules
annotate mod_graceful_shutdown/mod_graceful_shutdown.lua @ 4764:a754f7e380b2
mod_dnsupdate: Rewrite port config vs DNS comparison code
I'm not sure if it was correct, which means it was hard to understand
and thus needed to be simplified. Hope this accomplishes that.
author | Kim Alvefur <zash@zash.se> |
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date | Mon, 08 Nov 2021 23:03:14 +0100 |
parents | 4652a112a4ba |
children | 8dbaa5e753f3 |
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mod_graceful_shutdown: Experiment in improving the shutdown experience
Kim Alvefur <zash@zash.se>
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1 -- luacheck: ignore 122/prosody 113/prosody |
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2 |
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3 local timer = require "util.timer"; |
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4 local portman = require "core.portmanager"; |
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5 local server = require "net.server"; |
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6 |
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7 module:set_global(); |
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8 local orig_shutdown = prosody.shutdown; |
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9 |
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10 local pause = module:get_option_number("shutdown_pause", 1); |
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11 |
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12 function module.unload() |
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13 prosody.shutdown = orig_shutdown; |
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14 end |
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15 |
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16 prosody.shutdown = coroutine.wrap(function (reason, code) |
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17 prosody.shutdown_reason = reason; |
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18 prosody.shutdown_code = code; |
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19 timer.add_task(pause, prosody.shutdown); |
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20 coroutine.yield(true, "shutdown initiated"); |
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21 -- Close c2s ports, stop accepting new connections |
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22 portman.deactivate("c2s"); |
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23 -- Close all c2s sessions |
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24 for _, sess in pairs(prosody.full_sessions) do |
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25 sess:close{ condition = "system-shutdown", text = reason } |
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26 end |
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27 -- Wait for notifications to be sent |
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28 coroutine.yield(pause); |
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29 -- Event for everything else to shut down |
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30 prosody.events.fire_event("server-stopping", { |
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31 reason = reason; |
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32 code = code; |
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33 }); |
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34 -- And wait |
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35 coroutine.yield(pause); |
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36 -- And stop main event loop |
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37 server.setquitting(true); |
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38 -- And wait for death |
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39 coroutine.yield(pause * 3); |
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40 -- you came back? die zombie! |
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41 os.exit(1); |
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42 end); |