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--[[
Licensed under GNU General Public License v2
* (c) 2013, Luke Bonham
* (c) 2010-2012, Peter Hofmann
--]]
local newtimer = require("lain.helpers").newtimer
local wibox = require("wibox")
local io = { lines = io.lines }
local math = { floor = math.floor }
local string = { format = string.format,
gmatch = string.gmatch,
len = string.len }
local setmetatable = setmetatable
-- Memory usage (ignoring caches)
-- lain.widgets.mem
local mem = {}
local function worker(args)
local args = args or {}
local timeout = args.timeout or 3
local settings = args.settings or function() end
mem.widget = wibox.widget.textbox('')
function update()
mem_now = {}
for line in io.lines("/proc/meminfo")
do
for k, v in string.gmatch(line, "([%a]+):[%s]+([%d]+).+")
do
if k == "MemTotal" then mem_now.total = math.floor(v / 1024)
elseif k == "MemFree" then mem_now.free = math.floor(v / 1024)
elseif k == "Buffers" then mem_now.buf = math.floor(v / 1024)
elseif k == "Cached" then mem_now.cache = math.floor(v / 1024)
elseif k == "SwapTotal" then mem_now.swap = math.floor(v / 1024)
elseif k == "SwapFree" then mem_now.swapf = math.floor(v / 1024)
end
end
end
mem_now.used = mem_now.total - (mem_now.free + mem_now.buf + mem_now.cache)
mem_now.swapused = mem_now.swap - mem_now.swapf
widget = mem.widget
settings()
end
newtimer("mem", timeout, update)
return mem.widget
end
return setmetatable(mem, { __call = function(_, ...) return worker(...) end })
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