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Diffstat (limited to 'Plugins/Monitors/Net.hs')
-rw-r--r-- | Plugins/Monitors/Net.hs | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/Plugins/Monitors/Net.hs b/Plugins/Monitors/Net.hs deleted file mode 100644 index d9cd534..0000000 --- a/Plugins/Monitors/Net.hs +++ /dev/null @@ -1,96 +0,0 @@ ------------------------------------------------------------------------------ --- | --- Module : Plugins.Monitors.Net --- Copyright : (c) Andrea Rossato --- License : BSD-style (see LICENSE) --- --- Maintainer : Jose A. Ortega Ruiz <jao@gnu.org> --- Stability : unstable --- Portability : unportable --- --- A net device monitor for Xmobar --- ------------------------------------------------------------------------------ - -module Plugins.Monitors.Net (netConfig, runNet) where - -import Plugins.Monitors.Common -import qualified Data.ByteString.Lazy.Char8 as B - -data NetDev = NA - | ND { netDev :: String - , netRx :: Float - , netTx :: Float - } deriving (Eq,Show,Read) - -interval :: Int -interval = 500000 - -netConfig :: IO MConfig -netConfig = mkMConfig - "<dev>: <rx>KB|<tx>KB" -- template - ["dev", "rx", "tx", "rxbar", "txbar"] -- available replacements - --- Given a list of indexes, take the indexed elements from a list. -getNElements :: [Int] -> [a] -> [a] -getNElements ns as = map (as!!) ns - --- Split into words, with word boundaries indicated by the given predicate. --- Drops delimiters. Duplicates 'Data.List.Split.wordsBy'. --- --- > map (wordsBy (`elem` " :")) ["lo:31174097 31174097", "eth0: 43598 88888"] --- --- will become @[["lo","31174097","31174097"], ["eth0","43598","88888"]]@ -wordsBy :: (a -> Bool) -> [a] -> [[a]] -wordsBy f s = case dropWhile f s of - [] -> [] - s' -> w : wordsBy f s'' where (w, s'') = break f s' - -readNetDev :: [String] -> NetDev -readNetDev [] = NA -readNetDev xs = - ND (xs !! 0) (r (xs !! 1)) (r (xs !! 2)) - where r s | s == "" = 0 - | otherwise = read s / 1024 - -fileNET :: IO [NetDev] -fileNET = - do f <- B.readFile "/proc/net/dev" - return $ netParser f - -netParser :: B.ByteString -> [NetDev] -netParser = - map (readNetDev . getNElements [0,1,9] . wordsBy (`elem` " :") . B.unpack) . drop 2 . B.lines - -formatNet :: Float -> Monitor (String, String) -formatNet d = do - s <- getConfigValue useSuffix - let str = if s then (++"Kb/s") . showDigits 1 else showDigits 1 - b <- showLogBar 0.9 d - x <- showWithColors str d - return (x, b) - -printNet :: NetDev -> Monitor String -printNet nd = - case nd of - ND d r t -> do (rx, rb) <- formatNet r - (tx, tb) <- formatNet t - parseTemplate [d,rx,tx,rb,tb] - NA -> return "N/A" - -parseNET :: String -> IO [NetDev] -parseNET nd = - do (a,b) <- doActionTwiceWithDelay interval fileNET - let netRate f da db = takeDigits 2 $ (f db - f da) * fromIntegral (1000000 `div` interval) - diffRate (da,db) = ND (netDev da) - (netRate netRx da db) - (netRate netTx da db) - return $ filter (\d -> netDev d == nd) $ map diffRate $ zip a b - -runNet :: [String] -> Monitor String -runNet nd = - do pn <- io $ parseNET $ head nd - n <- case pn of - [x] -> return x - _ -> return NA - printNet n |