annotate mod_pinger/mod_pinger.lua @ 3489:33b3f02a9e7d

mod_pubsub_text_interface: Remove unused variable [luacheck]
author Kim Alvefur <zash@zash.se>
date Fri, 15 Mar 2019 04:27:52 +0100
parents 8298b06e6603
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2034
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1 local new_watchdog = require "util.watchdog".new;
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
2 local filters = require "util.filters";
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
3 local st = require "util.stanza";
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
4
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5 local idle_timeout = module:get_option_number("c2s_idle_timeout", 300);
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
6 local ping_timeout = module:get_option_number("c2s_ping_timeout", 30);
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
7
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
8 function update_watchdog(data, session)
3113
8298b06e6603 mod_pinger: work around updates on stale sessions
Georg Lukas <georg@op-co.de>
parents: 3103
diff changeset
9 if session.idle_watchdog then
8298b06e6603 mod_pinger: work around updates on stale sessions
Georg Lukas <georg@op-co.de>
parents: 3103
diff changeset
10 session.idle_watchdog:reset();
8298b06e6603 mod_pinger: work around updates on stale sessions
Georg Lukas <georg@op-co.de>
parents: 3103
diff changeset
11 session.idle_pinged = nil;
8298b06e6603 mod_pinger: work around updates on stale sessions
Georg Lukas <georg@op-co.de>
parents: 3103
diff changeset
12 end
2034
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
13 return data;
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
14 end
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
15
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
16 function check_session(watchdog)
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17 local session = watchdog.session;
3103
5bf79bb3cf7e Neuter 0198 from mod_pinger, fix #712
Georg Lukas <georg@op-co.de>
parents: 2674
diff changeset
18 if session.smacks then
5bf79bb3cf7e Neuter 0198 from mod_pinger, fix #712
Georg Lukas <georg@op-co.de>
parents: 2674
diff changeset
19 unwatch_session(session);
5bf79bb3cf7e Neuter 0198 from mod_pinger, fix #712
Georg Lukas <georg@op-co.de>
parents: 2674
diff changeset
20 return;
5bf79bb3cf7e Neuter 0198 from mod_pinger, fix #712
Georg Lukas <georg@op-co.de>
parents: 2674
diff changeset
21 end
2034
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22 if not session.idle_pinged then
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23 session.idle_pinged = true;
3103
5bf79bb3cf7e Neuter 0198 from mod_pinger, fix #712
Georg Lukas <georg@op-co.de>
parents: 2674
diff changeset
24 session.send(st.iq({ type = "get", from = module.host, id = "idle-check" })
5bf79bb3cf7e Neuter 0198 from mod_pinger, fix #712
Georg Lukas <georg@op-co.de>
parents: 2674
diff changeset
25 :tag("ping", { xmlns = "urn:xmpp:ping" }));
2034
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
26 return ping_timeout; -- Call us again after ping_timeout
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
27 else
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
28 module:log("info", "Client %q silent for too long, closing...", session.full_jid);
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
29 session:close("connection-timeout");
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
30 end
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
31 end
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
32
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
33
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
34 function watch_session(session)
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
35 if not session.idle_watchdog
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
36 and not session.requests then -- Don't watch BOSH connections (BOSH already has timeouts)
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
37 session.idle_watchdog = new_watchdog(idle_timeout, check_session);
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
38 session.idle_watchdog.session = session;
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
39 filters.add_filter(session, "bytes/in", update_watchdog);
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
40 end
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
41 end
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
42
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
43 function unwatch_session(session)
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
44 if session.idle_watchdog then
3103
5bf79bb3cf7e Neuter 0198 from mod_pinger, fix #712
Georg Lukas <georg@op-co.de>
parents: 2674
diff changeset
45 filters.remove_filter(session, "bytes/in", update_watchdog);
2034
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
46 session.idle_watchdog:cancel();
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
47 session.idle_watchdog = nil;
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
48 end
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
49 end
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
50
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
51 module:hook("resource-bind", function (event) watch_session(event.session); end);
256a5e3591db mod_pinger: Added from /files/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
52 module:hook("resource-unbind", function (event) unwatch_session(event.session); end);