Initial commit

lib/lain/widget/sysload.lua

@@ -0,0 +1,39 @@
+--[[
+
+     Licensed under GNU General Public License v2
+      * (c) 2013,      Luca CPZ
+      * (c) 2010-2012, Peter Hofmann
+
+--]]
+
+local helpers = require('lain.helpers')
+local wibox = require('wibox')
+local open, match = io.open, string.match
+
+-- System load
+-- lain.widget.sysload
+
+local function factory(args)
+	args = args or {}
+
+	local sysload = { widget = args.widget or wibox.widget.textbox() }
+	local timeout = args.timeout or 2
+	local settings = args.settings or function() end
+
+	function sysload.update()
+		local f = open('/proc/loadavg')
+		local ret = f:read('*all')
+		f:close()
+
+		load_1, load_5, load_15 = match(ret, '([^%s]+) ([^%s]+) ([^%s]+)')
+
+		widget = sysload.widget
+		settings()
+	end
+
+	helpers.newtimer('sysload', timeout, sysload.update)
+
+	return sysload
+end
+
+return factory