Software /
code /
prosody
File
util/watchdog.lua @ 6239:a791dd781238
plugins/muc/mod_muc: Remove support for `host_session.muc`
author | daurnimator <quae@daurnimator.com> |
---|---|
date | Tue, 29 Apr 2014 14:50:13 -0400 |
parent | 4891:189cfe565d03 |
child | 6777:5de6b93d0190 |
line wrap: on
line source
local timer = require "util.timer"; local setmetatable = setmetatable; local os_time = os.time; module "watchdog" local watchdog_methods = {}; local watchdog_mt = { __index = watchdog_methods }; function new(timeout, callback) local watchdog = setmetatable({ timeout = timeout, last_reset = os_time(), callback = callback }, watchdog_mt); timer.add_task(timeout+1, function (current_time) local last_reset = watchdog.last_reset; if not last_reset then return; end local time_left = (last_reset + timeout) - current_time; if time_left < 0 then return watchdog:callback(); end return time_left + 1; end); return watchdog; end function watchdog_methods:reset() self.last_reset = os_time(); end function watchdog_methods:cancel() self.last_reset = nil; end return _M;