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annotate mod_s2s_keepalive/mod_s2s_keepalive.lua @ 2712:d89ab70808f6

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mod_cloud_notify: fix bug when multiple resources are used This bug was triggered under the rare circumstances that a message arrived and one resource was smacks hibernated while the other one(s) were offline. Then only the hibernated resource but not the offline one(s) (or the other way round) got notified.
author tmolitor <thilo@eightysoft.de>
date Mon, 08 May 2017 18:24:29 +0200
parents 2db2c03dfb95
children 427879b46061
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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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