summaryrefslogtreecommitdiffhomepage
path: root/src/Xmobar/Plugins/Monitors/MultiCpu.hs
diff options
context:
space:
mode:
Diffstat (limited to 'src/Xmobar/Plugins/Monitors/MultiCpu.hs')
-rw-r--r--src/Xmobar/Plugins/Monitors/MultiCpu.hs128
1 files changed, 0 insertions, 128 deletions
diff --git a/src/Xmobar/Plugins/Monitors/MultiCpu.hs b/src/Xmobar/Plugins/Monitors/MultiCpu.hs
deleted file mode 100644
index 3db3b5f..0000000
--- a/src/Xmobar/Plugins/Monitors/MultiCpu.hs
+++ /dev/null
@@ -1,128 +0,0 @@
------------------------------------------------------------------------------
--- |
--- Module : Plugins.Monitors.MultiCpu
--- Copyright : (c) Jose A Ortega Ruiz
--- License : BSD-style (see LICENSE)
---
--- Maintainer : Jose A Ortega <jao@gnu.org>
--- Stability : unstable
--- Portability : unportable
---
--- A multi-cpu monitor for Xmobar
---
------------------------------------------------------------------------------
-
-module Xmobar.Plugins.Monitors.MultiCpu (startMultiCpu) where
-
-import Xmobar.Plugins.Monitors.Common
-import Control.Applicative ((<$>))
-import qualified Data.ByteString.Lazy.Char8 as B
-import Data.List (isPrefixOf, transpose, unfoldr)
-import Data.IORef (IORef, newIORef, readIORef, writeIORef)
-import System.Console.GetOpt
-
-data MultiCpuOpts = MultiCpuOpts
- { loadIconPatterns :: [IconPattern]
- , loadIconPattern :: Maybe IconPattern
- , fallbackIconPattern :: Maybe IconPattern
- }
-
-defaultOpts :: MultiCpuOpts
-defaultOpts = MultiCpuOpts
- { loadIconPatterns = []
- , loadIconPattern = Nothing
- , fallbackIconPattern = Nothing
- }
-
-options :: [OptDescr (MultiCpuOpts -> MultiCpuOpts)]
-options =
- [ Option "" ["load-icon-pattern"] (ReqArg (\x o ->
- o { loadIconPattern = Just $ parseIconPattern x }) "") ""
- , Option "" ["load-icon-patterns"] (ReqArg (\x o ->
- o { loadIconPatterns = parseIconPattern x : loadIconPatterns o }) "") ""
- , Option "" ["fallback-icon-pattern"] (ReqArg (\x o ->
- o { fallbackIconPattern = Just $ parseIconPattern x }) "") ""
- ]
-
-parseOpts :: [String] -> IO MultiCpuOpts
-parseOpts argv =
- case getOpt Permute options argv of
- (o, _, []) -> return $ foldr id defaultOpts o
- (_, _, errs) -> ioError . userError $ concat errs
-
-variables :: [String]
-variables = ["bar", "vbar","ipat","total","user","nice","system","idle"]
-vNum :: Int
-vNum = length variables
-
-multiCpuConfig :: IO MConfig
-multiCpuConfig =
- mkMConfig "Cpu: <total>%" $
- ["auto" ++ k | k <- variables] ++
- [ k ++ n | n <- "" : map show [0 :: Int ..]
- , k <- variables]
-
-type CpuDataRef = IORef [[Int]]
-
-cpuData :: IO [[Int]]
-cpuData = parse `fmap` B.readFile "/proc/stat"
- where parse = map parseList . cpuLists
- cpuLists = takeWhile isCpu . map B.words . B.lines
- isCpu (w:_) = "cpu" `isPrefixOf` B.unpack w
- isCpu _ = False
- parseList = map (parseInt . B.unpack) . tail
-
-parseCpuData :: CpuDataRef -> IO [[Float]]
-parseCpuData cref =
- do as <- readIORef cref
- bs <- cpuData
- writeIORef cref bs
- let p0 = zipWith percent bs as
- return p0
-
-percent :: [Int] -> [Int] -> [Float]
-percent b a = if tot > 0 then map (/ tot) $ take 4 dif else [0, 0, 0, 0]
- where dif = map fromIntegral $ zipWith (-) b a
- tot = sum dif
-
-formatMultiCpus :: MultiCpuOpts -> [[Float]] -> Monitor [String]
-formatMultiCpus _ [] = return []
-formatMultiCpus opts xs = concat <$> mapM (\(i, x) -> formatCpu opts i x) (zip [0..] xs)
-
-formatCpu :: MultiCpuOpts -> Int -> [Float] -> Monitor [String]
-formatCpu opts i xs
- | length xs < 4 = showPercentsWithColors $ replicate vNum 0.0
- | otherwise = let t = sum $ take 3 xs
- in do b <- showPercentBar (100 * t) t
- h <- showVerticalBar (100 * t) t
- d <- showIconPattern tryString t
- ps <- showPercentsWithColors (t:xs)
- return (b:h:d:ps)
- where tryString
- | i == 0 = loadIconPattern opts
- | i <= length (loadIconPatterns opts) = Just $ loadIconPatterns opts !! (i - 1)
- | otherwise = fallbackIconPattern opts
-
-splitEvery :: Int -> [a] -> [[a]]
-splitEvery n = unfoldr (\x -> if null x then Nothing else Just $ splitAt n x)
-
-groupData :: [String] -> [[String]]
-groupData = transpose . tail . splitEvery vNum
-
-formatAutoCpus :: [String] -> Monitor [String]
-formatAutoCpus [] = return $ replicate vNum ""
-formatAutoCpus xs = return $ map unwords (groupData xs)
-
-runMultiCpu :: CpuDataRef -> [String] -> Monitor String
-runMultiCpu cref argv =
- do c <- io $ parseCpuData cref
- opts <- io $ parseOpts argv
- l <- formatMultiCpus opts c
- a <- formatAutoCpus l
- parseTemplate $ a ++ l
-
-startMultiCpu :: [String] -> Int -> (String -> IO ()) -> IO ()
-startMultiCpu a r cb = do
- cref <- newIORef [[]]
- _ <- parseCpuData cref
- runM a multiCpuConfig (runMultiCpu cref) r cb