Mercurial > prosody-modules
annotate mod_graceful_shutdown/mod_graceful_shutdown.lua @ 4876:0f5f2d4475b9
mod_http_xep227: Add support for import via APIs rather than direct store manipulation
In particular this transitions PEP nodes and data to be imported via mod_pep's
APIs, fixing issues with importing at runtime while PEP data may already be
live in RAM.
Next obvious candidate for this approach is rosters, so clients get immediate
roster pushes and other special handling (such as emitting subscribes to reach
the desired subscription state).
author | Matthew Wild <mwild1@gmail.com> |
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date | Tue, 18 Jan 2022 17:01:18 +0000 |
parents | 4652a112a4ba |
children | 8dbaa5e753f3 |
rev | line source |
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mod_graceful_shutdown: Experiment in improving the shutdown experience
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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); |