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annotate mod_pinger/mod_pinger.lua @ 4838:fd2e48d4ac94

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mod_bookmarks2: Advertise XEP-0049 support In the case mod_private isn’t loaded, some clients (like poezio) won’t even attempt to use Private XML Storage unless this feature is advertised. This is on the domain JID and not on the account JID!
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Sun, 26 Dec 2021 14:51:35 +0100
parents 8298b06e6603
children
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1 local new_watchdog = require "util.watchdog".new;
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2 local filters = require "util.filters";
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3 local st = require "util.stanza";
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4
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5 local idle_timeout = module:get_option_number("c2s_idle_timeout", 300);
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6 local ping_timeout = module:get_option_number("c2s_ping_timeout", 30);
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8 function update_watchdog(data, session)
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9 if session.idle_watchdog then
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10 session.idle_watchdog:reset();
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11 session.idle_pinged = nil;
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12 end
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13 return data;
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14 end
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16 function check_session(watchdog)
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17 local session = watchdog.session;
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18 if session.smacks then
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19 unwatch_session(session);
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20 return;
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21 end
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22 if not session.idle_pinged then
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23 session.idle_pinged = true;
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24 session.send(st.iq({ type = "get", from = module.host, id = "idle-check" })
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25 :tag("ping", { xmlns = "urn:xmpp:ping" }));
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26 return ping_timeout; -- Call us again after ping_timeout
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27 else
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28 module:log("info", "Client %q silent for too long, closing...", session.full_jid);
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29 session:close("connection-timeout");
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30 end
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31 end
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34 function watch_session(session)
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35 if not session.idle_watchdog
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36 and not session.requests then -- Don't watch BOSH connections (BOSH already has timeouts)
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37 session.idle_watchdog = new_watchdog(idle_timeout, check_session);
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38 session.idle_watchdog.session = session;
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39 filters.add_filter(session, "bytes/in", update_watchdog);
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40 end
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41 end
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43 function unwatch_session(session)
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44 if session.idle_watchdog then
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45 filters.remove_filter(session, "bytes/in", update_watchdog);
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46 session.idle_watchdog:cancel();
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47 session.idle_watchdog = nil;
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48 end
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49 end
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51 module:hook("resource-bind", function (event) watch_session(event.session); end);
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52 module:hook("resource-unbind", function (event) unwatch_session(event.session); end);