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annotate mod_pinger/mod_pinger.lua @ 2674:c971b2cee2cc

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mod_pinger: Try to solve smacks related issues, see #712
author tmolitor <thilo@eightysoft.de>
date Fri, 07 Apr 2017 23:34:40 +0200
parents 75ab061069aa
children 5bf79bb3cf7e
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2034
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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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7
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8 function update_watchdog(data, session)
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9 session.idle_watchdog:reset();
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10 session.idle_pinged = nil;
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11 return data;
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12 end
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13
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14 function check_session(watchdog)
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15 local session = watchdog.session;
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16 if not session.idle_pinged then
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17 session.idle_pinged = true;
2674
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tmolitor <thilo@eightysoft.de>
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18 if session.smacks then
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19 if not session.awaiting_ack then
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80b6c63cb559 mod_pinger: Fix hardcoded smacks namespace, fixes #712
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20 session.send(st.stanza("r", { xmlns = session.smacks }))
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21 end
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22 else
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23 session.send(st.iq({ type = "get", from = module.host, id = "idle-check" })
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24 :tag("ping", { xmlns = "urn:xmpp:ping" }));
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25 end
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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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32
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33
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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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42
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43 function unwatch_session(session)
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44 if session.idle_watchdog then
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45 session.idle_watchdog:cancel();
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46 session.idle_watchdog = nil;
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47 filters.remove_filter(session, "bytes/in", update_watchdog);
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48 end
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49 end
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50
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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);
2672
75ab061069aa mod_pinger: Don't ping when smacks hibernated the session, fixes #712
tmolitor <thilo@eightysoft.de>
parents: 2671
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53
75ab061069aa mod_pinger: Don't ping when smacks hibernated the session, fixes #712
tmolitor <thilo@eightysoft.de>
parents: 2671
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54 -- handle smacks sessions properly (not pinging in hibernated state)
75ab061069aa mod_pinger: Don't ping when smacks hibernated the session, fixes #712
tmolitor <thilo@eightysoft.de>
parents: 2671
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55 module:hook("smacks-hibernation-start", function (event) unwatch_session(event.origin); end);
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56 module:hook("smacks-hibernation-end", function (event) watch_session(event.resumed); end);