summaryrefslogtreecommitdiffhomepage
path: root/src/Xmobar/Plugins/Monitors/ThermalZone.hs
diff options
context:
space:
mode:
authorjao <jao@gnu.org>2018-11-25 15:10:29 +0000
committerjao <jao@gnu.org>2018-11-25 15:10:29 +0000
commit77df1ac30fa7af5948f7ff64f5fee9aed64552b3 (patch)
tree647a4eb67ff1c293a5c530538ee88fc0093b577a /src/Xmobar/Plugins/Monitors/ThermalZone.hs
parente0d6da82de8d0d1cef98896164c6016b84e47068 (diff)
downloadxmobar-77df1ac30fa7af5948f7ff64f5fee9aed64552b3.tar.gz
xmobar-77df1ac30fa7af5948f7ff64f5fee9aed64552b3.tar.bz2
Back to app/src, since it seems they're the default convention for stack
Diffstat (limited to 'src/Xmobar/Plugins/Monitors/ThermalZone.hs')
-rw-r--r--src/Xmobar/Plugins/Monitors/ThermalZone.hs49
1 files changed, 49 insertions, 0 deletions
diff --git a/src/Xmobar/Plugins/Monitors/ThermalZone.hs b/src/Xmobar/Plugins/Monitors/ThermalZone.hs
new file mode 100644
index 0000000..bc46b59
--- /dev/null
+++ b/src/Xmobar/Plugins/Monitors/ThermalZone.hs
@@ -0,0 +1,49 @@
+------------------------------------------------------------------------------
+-- |
+-- Module : Plugins.Monitors.ThermalZone
+-- Copyright : (c) 2011, 2013 Jose Antonio Ortega Ruiz
+-- License : BSD3-style (see LICENSE)
+--
+-- Maintainer : jao@gnu.org
+-- Stability : unstable
+-- Portability : portable
+-- Created : Fri Feb 25, 2011 03:18
+--
+--
+-- A thermal zone plugin based on the sysfs linux interface.
+-- See http://kernel.org/doc/Documentation/thermal/sysfs-api.txt
+--
+------------------------------------------------------------------------------
+
+module Xmobar.Plugins.Monitors.ThermalZone (thermalZoneConfig, runThermalZone) where
+
+import Xmobar.Plugins.Monitors.Common
+
+import System.Posix.Files (fileExist)
+import Control.Exception (IOException, catch)
+import qualified Data.ByteString.Char8 as B
+
+-- | Default thermal configuration.
+thermalZoneConfig :: IO MConfig
+thermalZoneConfig = mkMConfig "<temp>C" ["temp"]
+
+-- | Retrieves thermal information. Argument is name of thermal
+-- directory in \/sys\/clas\/thermal. Returns the monitor string
+-- parsed according to template (either default or user specified).
+runThermalZone :: [String] -> Monitor String
+runThermalZone args = do
+ let zone = head args
+ file = "/sys/class/thermal/thermal_zone" ++ zone ++ "/temp"
+ handleIOError :: IOException -> IO (Maybe B.ByteString)
+ handleIOError _ = return Nothing
+ parse = return . (read :: String -> Int) . B.unpack
+ exists <- io $ fileExist file
+ if exists
+ then do contents <- io $ catch (fmap Just $ B.readFile file) handleIOError
+ case contents of
+ Just d -> do
+ mdegrees <- parse d
+ temp <- showWithColors show (mdegrees `quot` 1000)
+ parseTemplate [ temp ]
+ Nothing -> getConfigValue naString
+ else getConfigValue naString