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comparison mod_log_slow_events/mod_log_slow_events.lua @ 1680:a9df1f7e273d

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mod_log_slow_events: Log events that take a long time to process (including stanzas)
author Matthew Wild <mwild1@gmail.com>
date Tue, 28 Apr 2015 14:26:03 +0100
parents
children 78b3b3add19c
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equal deleted inserted replaced
1679:c77e9522dc66 1680:a9df1f7e273d
1 local time = require "socket".gettime;
2
3 local max_seconds = module:get_option_number("log_slow_events_threshold", 0.5);
4
5 module:wrap_event(false, function (handlers, event_name, event_data)
6 local start = time();
7 local ret = handlers(event_name, event_data);
8 local duration = time()-start;
9 if duration > max_seconds then
10 local data = {};
11 if event_data then
12 local function log_data(name, value)
13 if value then
14 table.insert(data, ("%s=%q"):format(name, value));
15 return true;
16 end
17 end
18 local sess = event_data.origin or event_data.session;
19 if sess then
20 log_data("ip", sess.ip);
21 if not log_data("full_jid", sess.full_jid) then
22 log_data("username", sess.username);
23 end
24 log_data("type", sess.type);
25 log_data("host", sess.host);
26 end
27 local stanza = event_data.stanza;
28 if stanza then
29 log_data("stanza", tostring(stanza));
30 end
31 end
32 module:log("warn", "Slow event '%s' took %0.2f: %s", event_name, duration, next(data) and table.concat(data, ", ") or "no recognised data");
33 end
34 return ret;
35 end);