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util/uuid.lua @ 13187:fe1229919070
mod_storage_internal: Implement efficient deletion of oldest archive items
Using the new shift function in datamanager, either the oldest items are
removed or all the later items are moved into a new file that replaces
the old.
Hidden behind a feature flag for now.
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 12 Jul 2023 15:03:24 +0200 |
parent | 12975:d10957394a3c |
rev | line source |
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1523
841d61be198f
Remove version number from copyright headers
Matthew Wild <mwild1@gmail.com>
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1 -- Prosody IM |
2923
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Update copyright headers for 2010
Matthew Wild <mwild1@gmail.com>
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2 -- Copyright (C) 2008-2010 Matthew Wild |
b7049746bd29
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Matthew Wild <mwild1@gmail.com>
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3 -- Copyright (C) 2008-2010 Waqas Hussain |
5776
bd0ff8ae98a8
Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
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4 -- |
758 | 5 -- This project is MIT/X11 licensed. Please see the |
6 -- COPYING file in the source package for more information. | |
519
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Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
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7 -- |
cccd610a0ef9
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8 |
12975
d10957394a3c
util: Prefix module imports with prosody namespace
Kim Alvefur <zash@zash.se>
parents:
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9 local random = require "prosody.util.random"; |
6377
50e5aed4eeea
util.uuid: Use util.hex and util.random
Matthew Wild <mwild1@gmail.com>
parents:
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10 local random_bytes = random.bytes; |
12975
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util: Prefix module imports with prosody namespace
Kim Alvefur <zash@zash.se>
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11 local hex = require "prosody.util.hex".encode; |
6377
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util.uuid: Use util.hex and util.random
Matthew Wild <mwild1@gmail.com>
parents:
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12 local m_ceil = math.ceil; |
44
80d2ade0fd69
Add "uuid" library and make sessionmanager use this.
Matthew Wild <mwild1@gmail.com>
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13 |
1303
2170e2c0d57a
util.uuid: Now generates RFC 4122 complaint UUIDs (version 4 - random)
Waqas Hussain <waqas20@gmail.com>
parents:
1302
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14 local function get_nibbles(n) |
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15 return hex(random_bytes(m_ceil(n/2))):sub(1, n); |
1303
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util.uuid: Now generates RFC 4122 complaint UUIDs (version 4 - random)
Waqas Hussain <waqas20@gmail.com>
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16 end |
2170e2c0d57a
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Waqas Hussain <waqas20@gmail.com>
parents:
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17 |
2170e2c0d57a
util.uuid: Now generates RFC 4122 complaint UUIDs (version 4 - random)
Waqas Hussain <waqas20@gmail.com>
parents:
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18 local function get_twobits() |
7049
0eee56075901
util.uuid: Take random byte directly instead of the low bits from the ascii value of a hex nibble
Kim Alvefur <zash@zash.se>
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19 return ("%x"):format(random_bytes(1):byte() % 4 + 8); |
1303
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Waqas Hussain <waqas20@gmail.com>
parents:
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20 end |
2170e2c0d57a
util.uuid: Now generates RFC 4122 complaint UUIDs (version 4 - random)
Waqas Hussain <waqas20@gmail.com>
parents:
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21 |
6377
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Matthew Wild <mwild1@gmail.com>
parents:
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22 local function generate() |
1303
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23 -- generate RFC 4122 complaint UUIDs (version 4 - random) |
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Waqas Hussain <waqas20@gmail.com>
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24 return get_nibbles(8).."-"..get_nibbles(4).."-4"..get_nibbles(3).."-"..(get_twobits())..get_nibbles(3).."-"..get_nibbles(12); |
1302
4561c6d95339
util.uuid: More uniqueness!
Waqas Hussain <waqas20@gmail.com>
parents:
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25 end |
7057 | 26 |
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Matthew Wild <mwild1@gmail.com>
parents:
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27 return { |
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28 get_nibbles=get_nibbles; |
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Matthew Wild <mwild1@gmail.com>
parents:
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29 generate = generate ; |
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Matthew Wild <mwild1@gmail.com>
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30 -- COMPAT |
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31 seed = random.seed; |
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parents:
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32 }; |