Mercurial > prosody-modules
annotate mod_s2s_keepalive/mod_s2s_keepalive.lua @ 2491:5fbca7de2088
mod_smacks: Send out more ack requests where needed
Under some circumstances it was possible that more than "max_unacked_stanzas"
where left in the outgoing stanza queue without forcing an ack.
This could happen, when more stanzas entered the queue while the last ack request
was still unanswered.
Now the test "#queue > max_unacked_stanzas" is done upon receiving
an ack as well as when sending out stanzas, which fixes this bug.
author | tmolitor <thilo@eightysoft.de> |
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date | Sun, 12 Feb 2017 19:27:50 +0100 |
parents | 2db2c03dfb95 |
children | 427879b46061 |
rev | line source |
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Kim Alvefur <zash@zash.se>
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1 local st = require "util.stanza"; |
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2 |
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3 local keepalive_servers = module:get_option_set("keepalive_servers"); |
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4 local keepalive_interval = module:get_option_number("keepalive_interval", 60); |
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5 |
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6 local host = module.host; |
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7 |
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8 local function send_pings() |
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9 for remote_domain, session in pairs(hosts[host].s2sout) do |
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10 if session.type == "s2sout" -- as opposed to _unauthed |
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11 and (not(keepalive_servers) or keepalive_servers:contains(remote_domain)) then |
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12 session.sends2s(st.iq({ to = remote_domain, type = "get", from = host, id = "keepalive" }) |
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13 :tag("ping", { xmlns = "urn:xmpp:ping" }) |
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14 ); |
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15 -- Note: We don't actually check if this comes back. |
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16 end |
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17 end |
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18 |
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19 for session in pairs(prosody.incoming_s2s) do |
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20 if session.type == "s2sin" -- as opposed to _unauthed |
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21 and (not(keepalive_servers) or keepalive_servers:contains(session.from_host)) then |
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22 session.sends2s " "; |
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23 -- If the connection is dead, this should make it time out. |
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24 end |
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25 end |
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26 return keepalive_interval; |
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27 end |
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28 |
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29 if module.add_timer then -- 0.9 |
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30 module:add_timer(keepalive_interval, send_pings); |
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31 else -- 0.8 |
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32 local timer = require "util.timer"; |
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33 local unloaded; |
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34 timer.add_task(keepalive_interval, function() |
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35 if not unloaded then |
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36 return send_pings() |
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37 end |
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38 end); |
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39 function module.unload() |
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40 unloaded = true |
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41 end |
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42 end |