prosody
ad89e3cc67b6
util/helpers.lua

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util/helpers.lua @ 11059:ad89e3cc67b6

util.helpers: when logging events, log individual handler calls
author Matthew Wild <mwild1@gmail.com>
date Thu, 03 Sep 2020 13:00:43 +0100
parent 8411:a9e8523a5e73
child 12975:d10957394a3c
comparison
equal deleted inserted replaced
11058:c99afee1c548 11059:ad89e3cc67b6
21 name = name or tostring(events); 21 name = name or tostring(events);
22 function events.fire_event(event, ...) 22 function events.fire_event(event, ...)
23 logger("debug", "%s firing event: %s", name, event); 23 logger("debug", "%s firing event: %s", name, event);
24 return f(event, ...); 24 return f(event, ...);
25 end 25 end
26
27 local function event_handler_hook(handler, event_name, event_data)
28 logger("debug", "calling handler for %s: %s", event_name, handler);
29 local ok, ret = pcall(handler, event_data);
30 if not ok then
31 logger("error", "error in event handler %s: %s", handler, ret);
32 error(ret);
33 end
34 if ret ~= nil then
35 logger("debug", "event chain ended for %s by %s with result: %s", event_name, handler, ret);
36 end
37 return ret;
38 end
39 events.set_debug_hook(event_handler_hook);
26 events[events.fire_event] = f; 40 events[events.fire_event] = f;
27 return events; 41 return events;
28 end 42 end
29 43
30 local function revert_log_events(events) 44 local function revert_log_events(events)
31 events.fire_event, events[events.fire_event] = events[events.fire_event], nil; -- :)) 45 events.fire_event, events[events.fire_event] = events[events.fire_event], nil; -- :))
46 events.set_debug_hook(nil);
32 end 47 end
33 48
34 local function log_host_events(host) 49 local function log_host_events(host)
35 return log_events(prosody.hosts[host].events, host); 50 return log_events(prosody.hosts[host].events, host);
36 end 51 end