local time = require "socket".gettime; local max_seconds = module:get_option_number("log_slow_events_threshold", 0.5); module:wrap_event(false, function (handlers, event_name, event_data) local start = time(); local ret = handlers(event_name, event_data); local duration = time()-start; if duration > max_seconds then local data = {}; if event_data then local function log_data(name, value) if value then table.insert(data, ("%s=%q"):format(name, value)); return true; end end local sess = event_data.origin or event_data.session; if sess then log_data("ip", sess.ip); if not log_data("full_jid", sess.full_jid) then log_data("username", sess.username); end log_data("type", sess.type); log_data("host", sess.host); end local stanza = event_data.stanza; if stanza then log_data("stanza", tostring(stanza)); end end module:log("warn", "Slow event '%s' took %0.2f: %s", event_name, duration, next(data) and table.concat(data, ", ") or "no recognised data"); end return ret; end);