prosody-modules
78f1de5301fc
mod_pinger/mod_pinger.lua

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mod_pinger/mod_pinger.lua @ 4049:78f1de5301fc

mod_adhoc_dataforms_demo: Fix duplicate field prevention It's supposed to only include each type of form field once per form at most but it didn't note which fields it had added already. No idea what the probability was anyways, probably pretty low.
author Kim Alvefur <zash@zash.se>
date Tue, 23 Jun 2020 19:40:55 +0200
parent 3113:8298b06e6603
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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);