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annotate mod_smacks_noerror/mod_smacks_noerror.lua @ 2985:7467509abdbb

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mod_post_msg/README: Update Introduction text
author Kim Alvefur <zash@zash.se>
date Wed, 04 Apr 2018 15:50:13 +0200
parents d1e975c24545
children f35b2b76df6d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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2392
d1e975c24545 mod_smacks_noerror: Initial commit
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1 local t_insert = table.insert;
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2
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3 local mod_smacks = module:depends"smacks"
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4
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5 local function discard_unacked_messages(session)
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6 local queue = session.outgoing_stanza_queue;
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7 local replacement_queue = {};
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8 session.outgoing_stanza_queue = replacement_queue;
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9
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10 for _, stanza in ipairs(queue) do
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11 if stanza.name == "message" and stanza.attr.xmlns == nil and
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12 ( stanza.attr.type == "chat" or ( stanza.attr.type or "normal" ) == "normal" ) then
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13 -- do nothing here for normal messages and don't send out "message delivery errors",
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14 -- because messages are already in MAM at this point (no need to frighten users)
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15 else
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16 t_insert(replacement_queue, stanza);
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17 end
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18 end
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19 end
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20
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21 local handle_unacked_stanzas = mod_smacks.handle_unacked_stanzas;
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22
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23 mod_smacks.handle_unacked_stanzas = function (session)
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24 -- Only deal with authenticated (c2s) sessions
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25 if session.username then
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26 discard_unacked_messages(session)
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27 end
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28 return handle_unacked_stanzas(session);
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29 end
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30
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31 function module.unload()
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32 mod_smacks.handle_unacked_stanzas = handle_unacked_stanzas;
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33 end