prosody
6cf16abd0976
util/uuid.lua

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util/uuid.lua @ 10851:6cf16abd0976

net.server_select: Ensure onconnect is always called before onincoming This changes the code to call onconnect when the first data is sucessfully read or written, instead of simply when the socket first becomes writable. A writable socket can mean a connection error, and if the client already sent some data it may get passed to onincoming before processing writable sockets. This fixes the issue.
author Matthew Wild <mwild1@gmail.com>
date Mon, 01 Jun 2020 13:38:47 +0100
parent 7078:ec17115e3721
child 12355:a0ff5c438e9d
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1 -- Prosody IM
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b7049746bd29 Update copyright headers for 2010
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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b1885732e979 GPL->MIT!
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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9 local random = require "util.random";
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10 local random_bytes = random.bytes;
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11 local hex = require "util.hex".to;
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12 local m_ceil = math.ceil;
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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);
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16 end
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17
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18 local function get_twobits()
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19 return ("%x"):format(random_bytes(1):byte() % 4 + 8);
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20 end
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21
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22 local function generate()
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23 -- generate RFC 4122 complaint UUIDs (version 4 - random)
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24 return get_nibbles(8).."-"..get_nibbles(4).."-4"..get_nibbles(3).."-"..(get_twobits())..get_nibbles(3).."-"..get_nibbles(12);
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25 end
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26
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27 return {
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28 get_nibbles=get_nibbles;
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29 generate = generate ;
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30 -- COMPAT
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31 seed = random.seed;
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32 };