From 26b0395ba988948a7cc8b79d08faf6a57058886a Mon Sep 17 00:00:00 2001
From: "Adrian C. (anrxc)" <anrxc@sysphere.org>
Date: Sun, 29 Aug 2010 00:49:57 +0200
Subject: contrib: imported contrib widgets

---
 contrib/sensors.lua | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 contrib/sensors.lua

(limited to 'contrib/sensors.lua')

diff --git a/contrib/sensors.lua b/contrib/sensors.lua
new file mode 100644
index 0000000..45c7d9a
--- /dev/null
+++ b/contrib/sensors.lua
@@ -0,0 +1,68 @@
+---------------------------------------------------
+-- 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.contrib.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 })
-- 
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