prosody-modules
256a5e3591db
mod_pinger/mod_pinger.lua

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mod_pinger/mod_pinger.lua @ 2034:256a5e3591db

mod_pinger: Added from /files/
author Matthew Wild <mwild1@gmail.com>
date Tue, 26 Jan 2016 19:15:00 +0000
child 2671:80b6c63cb559
comparison
equal deleted inserted replaced
2033:acf86edeb1cc 2034:256a5e3591db
1 local new_watchdog = require "util.watchdog".new;
2 local filters = require "util.filters";
3 local st = require "util.stanza";
4
5 local idle_timeout = module:get_option_number("c2s_idle_timeout", 300);
6 local ping_timeout = module:get_option_number("c2s_ping_timeout", 30);
7
8 function update_watchdog(data, session)
9 session.idle_watchdog:reset();
10 session.idle_pinged = nil;
11 return data;
12 end
13
14 function check_session(watchdog)
15 local session = watchdog.session;
16 if not session.idle_pinged then
17 session.idle_pinged = true;
18 if session.smacks and not session.awaiting_ack then
19 session.send(st.stanza("r", { xmlns = "urn:xmpp:sm:2" })) -- TODO: hardcoded sm:2
20 else
21 session.send(st.iq({ type = "get", from = module.host, id = "idle-check" })
22 :tag("ping", { xmlns = "urn:xmpp:ping" }));
23 end
24 return ping_timeout; -- Call us again after ping_timeout
25 else
26 module:log("info", "Client %q silent for too long, closing...", session.full_jid);
27 session:close("connection-timeout");
28 end
29 end
30
31
32 function watch_session(session)
33 if not session.idle_watchdog
34 and not session.requests then -- Don't watch BOSH connections (BOSH already has timeouts)
35 session.idle_watchdog = new_watchdog(idle_timeout, check_session);
36 session.idle_watchdog.session = session;
37 filters.add_filter(session, "bytes/in", update_watchdog);
38 end
39 end
40
41 function unwatch_session(session)
42 if session.idle_watchdog then
43 session.idle_watchdog:cancel();
44 session.idle_watchdog = nil;
45 filters.remove_filter(session, "bytes/in", update_watchdog);
46 end
47 end
48
49 module:hook("resource-bind", function (event) watch_session(event.session); end);
50 module:hook("resource-unbind", function (event) unwatch_session(event.session); end);