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util/presence.lua @ 12344:4f2e77185db4
prosody.cfg.lua.dist: Remove network_backend option
The only sensible option for most people these days is "epoll". The option is
still supported, but it should only be needed by packagers for specific platforms
(e.g. BSD may choose libevent for kqueue) or other special cases.
author | Matthew Wild <mwild1@gmail.com> |
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date | Wed, 02 Mar 2022 14:22:02 +0000 |
parent | 8885:d4f5d47f874d |
rev | line source |
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7279
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mod_presence: Move function for selecting "top resources" into a new util.presence
Kim Alvefur <zash@zash.se>
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1 -- Prosody IM |
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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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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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8 |
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9 local t_insert = table.insert; |
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10 |
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11 local function select_top_resources(user) |
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12 local priority = 0; |
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13 local recipients = {}; |
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14 for _, session in pairs(user.sessions) do -- find resource with greatest priority |
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15 if session.presence then |
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16 local p = session.priority; |
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17 if p > priority then |
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18 priority = p; |
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19 recipients = {session}; |
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20 elseif p == priority then |
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21 t_insert(recipients, session); |
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22 end |
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23 end |
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24 end |
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25 return recipients; |
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26 end |
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27 local function recalc_resource_map(user) |
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28 if user then |
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29 user.top_resources = select_top_resources(user); |
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30 if #user.top_resources == 0 then user.top_resources = nil; end |
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31 end |
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32 end |
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33 |
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34 return { |
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35 select_top_resources = select_top_resources; |
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36 recalc_resource_map = recalc_resource_map; |
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37 } |