vicious/extra/sensors.lua

69 lines
1.7 KiB
Lua

---------------------------------------------------
-- Licensed under the GNU General Public License v2
-- * (c) 2010, Greg D. <jabbas@jabbas.pl>
---------------------------------------------------
-- {{{ Grab environment
local tonumber = tonumber
local io = { popen = io.popen }
local setmetatable = setmetatable
local table = { insert = table.insert }
local string = {
gsub = string.gsub,
match = string.match
}
-- }}}
-- Sensors: provides access to lm_sensors data
module("vicious.widgets.sensors")
-- {{{ Split helper function
local function datasplit(str)
-- Splitting strings into associative array
-- with some magic to get the values right.
str = string.gsub(str, "\n", ":")
local tbl = {}
string.gsub(str, "([^:]*)", function (v)
if string.match(v, ".") then
table.insert(tbl, v)
end
end)
local assoc = {}
for c = 1, #tbl, 2 do
local k = string.gsub(tbl[c], ".*_", "")
local v = tonumber(string.match(tbl[c+1], "[%d]+"))
assoc[k] = v
end
return assoc
end
-- }}}
-- {{{ Sensors widget type
local function worker(format, warg)
-- Get data from all sensors
local f = io.popen("LANG=C sensors -uA")
local lm_sensors = f:read("*all")
f:close()
local sensor_data = string.gsub(
string.match(lm_sensors, warg..":\n(%s%s.-)\n[^ ]"), " ", "")
-- One of: crit, max
local divisor = "crit"
local s_data = datasplit(sensor_data)
if s_data[divisor] and s_data[divisor] > 0 then
s_data.percent = s_data.input / s_data[divisor] * 100
end
return {s_data.input, tonumber(s_data.percent)}
end
-- }}}
setmetatable(_M, { __call = function(_, ...) return worker(...) end })