Mercurial > prosody-modules
annotate mod_s2s_keepalive/mod_s2s_keepalive.lua @ 3647:a0ca5d0a49ba
mod_muc_ping: Advertise XEP-0410 feature
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 21 Aug 2019 00:38:20 +0200 |
parents | 2db2c03dfb95 |
children | 427879b46061 |
rev | line source |
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mod_s2s_keepalive: Initial commit, poke s2s connections with pings and whitespace
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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 |