prosody
4f1fe6eb1ddb
util/gc.lua

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util/gc.lua @ 12301:4f1fe6eb1ddb

mod_c2s,mod_s2s: Wait for sessions to close before proceeding with shutdown steps Ensures unavailable presence and other outgoing stanzas are sent. Waiting for c2s sessions to close first before proceeding to disable and close s2s ensures that unavailable presence can go out, even if it requires dialback to complete first.
author Kim Alvefur <zash@zash.se>
date Thu, 17 Feb 2022 03:49:47 +0100
parent 11431:4874b54af344
child 12975:d10957394a3c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 local set = require "util.set";
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2
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3 local known_options = {
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4 incremental = set.new { "mode", "threshold", "speed", "step_size" };
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5 generational = set.new { "mode", "minor_threshold", "major_threshold" };
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6 };
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7
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8 if _VERSION ~= "Lua 5.4" then
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9 known_options.generational = nil;
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10 known_options.incremental:remove("step_size");
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11 end
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12
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13 local function configure(user, defaults)
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14 local mode = user.mode or defaults.mode or "incremental";
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15 if not known_options[mode] then
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16 return nil, "GC mode not supported on ".._VERSION..": "..mode;
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17 end
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18
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19 for k, v in pairs(user) do
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20 if not known_options[mode]:contains(k) then
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21 return nil, "Unknown GC parameter: "..k;
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22 elseif k ~= "mode" and type(v) ~= "number" then
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23 return nil, "parameter '"..k.."' should be a number";
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24 end
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25 end
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26
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27 if mode == "incremental" then
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28 if _VERSION == "Lua 5.4" then
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29 collectgarbage(mode,
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30 user.threshold or defaults.threshold,
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31 user.speed or defaults.speed,
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32 user.step_size or defaults.step_size
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33 );
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34 else
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35 collectgarbage("setpause", user.threshold or defaults.threshold);
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36 collectgarbage("setstepmul", user.speed or defaults.speed);
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37 end
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38 elseif mode == "generational" then
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39 collectgarbage(mode,
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40 user.minor_threshold or defaults.minor_threshold,
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41 user.major_threshold or defaults.major_threshold
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42 );
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43 end
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44 return true;
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45 end
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46
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47 return {
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48 configure = configure;
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49 };