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prosody
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util/helpers.lua @ 13419:41a587613a0e
mod_smacks: Adjust buckets for resumption age statistic
Given that there are recommendations floating around recommending 24
hours session lifetime, having buckets up to 10 minutes wouldn't be
useful in that case.
Would be nice if we had some way to automatically assign suitable number
series for buckets, scaled to what the configuration might be.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Fri, 16 Feb 2024 00:15:36 +0100 |
parent | 12975:d10957394a3c |
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-- Prosody IM -- Copyright (C) 2008-2010 Matthew Wild -- Copyright (C) 2008-2010 Waqas Hussain -- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. -- local debug = require "prosody.util.debug"; -- Helper functions for debugging local log = require "prosody.util.logger".init("util.debug"); local function log_events(events, name, logger) local f = events.fire_event; if not f then error("Object does not appear to be a util.events object"); end logger = logger or log; name = name or tostring(events); function events.fire_event(event, ...) logger("debug", "%s firing event: %s", name, event); return f(event, ...); end local function event_handler_hook(handler, event_name, event_data) logger("debug", "calling handler for %s: %s", event_name, handler); local ok, ret = pcall(handler, event_data); if not ok then logger("error", "error in event handler %s: %s", handler, ret); error(ret); end if ret ~= nil then logger("debug", "event chain ended for %s by %s with result: %s", event_name, handler, ret); end return ret; end events.set_debug_hook(event_handler_hook); events[events.fire_event] = f; return events; end local function revert_log_events(events) events.fire_event, events[events.fire_event] = events[events.fire_event], nil; -- :)) events.set_debug_hook(nil); end local function log_host_events(host) return log_events(prosody.hosts[host].events, host); end local function revert_log_host_events(host) return revert_log_events(prosody.hosts[host].events); end local function show_events(events, specific_event) local event_handlers = events._handlers; local events_array = {}; local event_handler_arrays = {}; for event, priorities in pairs(events._event_map) do local handlers = event_handlers[event]; if handlers and (event == specific_event or not specific_event) then table.insert(events_array, event); local handler_strings = {}; for i, handler in ipairs(handlers) do local upvals = debug.string_from_var_table(debug.get_upvalues_table(handler)); handler_strings[i] = " "..(priorities[handler] or "?")..": "..tostring(handler)..(upvals and ("\n "..upvals) or ""); end event_handler_arrays[event] = handler_strings; end end table.sort(events_array); local i = 1; while i <= #events_array do local handlers = event_handler_arrays[events_array[i]]; for j=#handlers, 1, -1 do table.insert(events_array, i+1, handlers[j]); end if i > 1 then events_array[i] = "\n"..events_array[i]; end i = i + #handlers + 1 end return table.concat(events_array, "\n"); end local function get_upvalue(f, get_name) local i, name, value = 0; repeat i = i + 1; name, value = debug.getupvalue(f, i); until name == get_name or name == nil; return value; end return { log_host_events = log_host_events; revert_log_host_events = revert_log_host_events; log_events = log_events; revert_log_events = revert_log_events; show_events = show_events; get_upvalue = get_upvalue; };