Mercurial > prosody-modules
annotate mod_throttle_presence/mod_throttle_presence.lua @ 532:967ba17b1d2a
mod_xml_status: stick to one code "punctuation" style.
author | Marco Cirillo <maranda@lightwitch.org> |
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date | Sat, 07 Jan 2012 18:14:14 +0000 |
parents | fe9c4daee076 |
children | d8c50448d0e7 |
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mod_throttle_presence: Buffer up presence for up to flush_presence_seconds and send latest presence stanzas for each contact at once
Matthew Wild <mwild1@gmail.com>
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1 local add_filter = require "util.filters".add_filter; |
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Matthew Wild <mwild1@gmail.com>
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2 local add_task = require "util.timer".add_task; |
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3 |
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4 local buffer_seconds = module:get_option_number("flush_presence_seconds"); |
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5 |
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6 local function throttle_session(data) |
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7 local session = data.session; |
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8 local buffer, flushing = {}, false; |
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Matthew Wild <mwild1@gmail.com>
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9 local timer_active = false; |
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10 local function flush_buffer() |
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11 module:log("debug", "Flushing buffer for %s", session.full_jid); |
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12 flushing = true; |
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13 for jid, presence in pairs(buffer) do |
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14 session.send(presence); |
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15 end |
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16 flushing = false; |
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17 end |
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18 local function throttle_presence(stanza) |
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19 if stanza.name ~= "presence" or (stanza.attr.type and stanza.attr.type ~= "unavailable") then |
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20 module:log("debug", "Non-presence stanza for %s: %s", session.full_jid, tostring(stanza)); |
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21 flush_buffer(); |
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22 elseif not flushing then |
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23 module:log("debug", "Buffering presence stanza from %s to %s", stanza.attr.from, session.full_jid); |
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24 buffer[stanza.attr.from] = stanza; |
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25 if not timer_active and buffer_seconds then |
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26 timer_active = true; |
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27 add_task(buffer_seconds, flush_buffer); |
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28 end |
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29 return nil; -- Drop this stanza (we've stored it for later) |
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30 end |
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31 return stanza; |
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32 end |
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33 add_filter(session, "stanzas/out", throttle_presence); |
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34 end |
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35 |
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36 |
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Matthew Wild <mwild1@gmail.com>
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37 module:hook("resource-bind", throttle_session); |