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util/watchdog.lua @ 10851:6cf16abd0976
net.server_select: Ensure onconnect is always called before onincoming
This changes the code to call onconnect when the first data is sucessfully
read or written, instead of simply when the socket first becomes writable.
A writable socket can mean a connection error, and if the client already
sent some data it may get passed to onincoming before processing writable
sockets. This fixes the issue.
author | Matthew Wild <mwild1@gmail.com> |
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date | Mon, 01 Jun 2020 13:38:47 +0100 |
parent | 8555:4f0f5b49bb03 |
child | 12545:5059a639f61e |
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local timer = require "util.timer"; local setmetatable = setmetatable; local os_time = os.time; local _ENV = nil; -- luacheck: std none local watchdog_methods = {}; local watchdog_mt = { __index = watchdog_methods }; local 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 { new = new; };