prosody
3fd24e1945b0
util/adhoc.lua

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util/adhoc.lua @ 13135:3fd24e1945b0

mod_storage_internal: Lazy-load archive items while iterating Very large list files previously ran into limits of the Lua parser, or just caused Prosody to freeze while parsing. Using the new index we can parse individual items one at a time. This probably won't reduce overall CPU usage, probably the opposite, but it will reduce the number of items in memory at once and allow collection of items after we iterated past them.
author Kim Alvefur <zash@zash.se>
date Wed, 12 May 2021 01:25:44 +0200
parent 11352:e10567199f02
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 -- luacheck: ignore 212/self
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2
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3 local function new_simple_form(form, result_handler)
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4 return function(self, data, state)
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5 if state or data.form then
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6 if data.action == "cancel" then
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7 return { status = "canceled" };
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8 end
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9 local fields, err = form:data(data.form);
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10 return result_handler(fields, err, data);
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11 else
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12 return { status = "executing", actions = {"next", "complete", default = "complete"}, form = form }, "executing";
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13 end
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14 end
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15 end
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16
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17 local function new_initial_data_form(form, initial_data, result_handler)
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18 return function(self, data, state)
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19 if state or data.form then
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20 if data.action == "cancel" then
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21 return { status = "canceled" };
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22 end
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23 local fields, err = form:data(data.form);
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24 return result_handler(fields, err, data);
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25 else
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26 local values, err = initial_data(data);
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27 if type(err) == "table" then
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28 return {status = "error"; error = err}
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29 elseif type(err) == "string" then
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30 return {status = "error"; error = {type = "cancel"; condition = "internal-server-error", err}}
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31 end
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32 return { status = "executing", actions = {"next", "complete", default = "complete"},
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33 form = { layout = form, values = values } }, "executing";
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34 end
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35 end
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36 end
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37
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38 return { new_simple_form = new_simple_form,
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39 new_initial_data_form = new_initial_data_form };