From e3853a9cb2a9a2cffa174d1334e2ca8ba610f151 Mon Sep 17 00:00:00 2001
From: Jose Antonio Ortega Ruiz <jao@gnu.org>
Date: Tue, 21 Dec 2010 02:36:35 +0100
Subject: Haskell sources moved to src/ to unclutter toplevel

---
 Plugins/Monitors/Disk.hs | 137 -----------------------------------------------
 1 file changed, 137 deletions(-)
 delete mode 100644 Plugins/Monitors/Disk.hs

(limited to 'Plugins/Monitors/Disk.hs')

diff --git a/Plugins/Monitors/Disk.hs b/Plugins/Monitors/Disk.hs
deleted file mode 100644
index f3a7a2a..0000000
--- a/Plugins/Monitors/Disk.hs
+++ /dev/null
@@ -1,137 +0,0 @@
------------------------------------------------------------------------------
--- |
--- Module      :  Plugins.Monitors.Disk
--- Copyright   :  (c) Jose A Ortega Ruiz
--- License     :  BSD-style (see LICENSE)
---
--- Maintainer  :  Jose A Ortega Ruiz <jao@gnu.org>
--- Stability   :  unstable
--- Portability :  unportable
---
---  Disk usage and throughput monitors for Xmobar
---
------------------------------------------------------------------------------
-
-module Plugins.Monitors.Disk ( diskUConfig, runDiskU
-                             , diskIOConfig, runDiskIO
-                             ) where
-
-import Plugins.Monitors.Common
-import StatFS
-
-import Control.Monad (zipWithM)
-import qualified Data.ByteString.Lazy.Char8 as B
-import Data.List (isPrefixOf, find, intercalate)
-
-diskIOConfig :: IO MConfig
-diskIOConfig = mkMConfig "" ["total", "read", "write",
-                             "totalbar", "readbar", "writebar"]
-
-diskUConfig :: IO MConfig
-diskUConfig = mkMConfig ""
-              ["size", "free", "used", "freep", "usedp", "freebar", "usedbar"]
-
-type DevName = String
-type Path = String
-
-mountedDevices :: [String] -> IO [(DevName, Path)]
-mountedDevices req = do
-  s <- B.readFile "/etc/mtab"
-  return (parse s)
-  where
-    parse = map undev . filter isDev . map (firstTwo . B.words) . B.lines
-    firstTwo (a:b:_) = (B.unpack a, B.unpack b)
-    firstTwo _ = ("", "")
-    isDev (d, p) = "/dev/" `isPrefixOf` d &&
-                   (p `elem` req || drop 5 d `elem` req)
-    undev (d, f) = (drop 5 d, f)
-
-diskData :: IO [(DevName, [Float])]
-diskData = do
-  s <- B.readFile "/proc/diskstats"
-  let extract ws = (head ws, map read (tail ws))
-  return $ map (extract . map B.unpack . drop 2 . B.words) (B.lines s)
-
-mountedData :: [DevName] -> IO [(DevName, [Float])]
-mountedData devs = do
-  (dt, dt') <- doActionTwiceWithDelay 750000 diskData
-  return $ map (parseDev (zipWith diff dt' dt)) devs
-  where diff (dev, xs) (_, ys) = (dev, zipWith (-) xs ys)
-
-parseDev :: [(DevName, [Float])] -> DevName -> (DevName, [Float])
-parseDev dat dev =
-  case find ((==dev) . fst) dat of
-    Nothing -> (dev, [0, 0, 0])
-    Just (_, xs) ->
-      let rSp = speed (xs !! 2) (xs !! 3)
-          wSp = speed (xs !! 6) (xs !! 7)
-          sp =  speed (xs !! 2 + xs !! 6) (xs !! 3 + xs !! 7)
-          speed x t = if t == 0 then 0 else 500 * x / t
-          dat' = if length xs > 6 then [sp, rSp, wSp] else [0, 0, 0]
-      in (dev, dat')
-
-fsStats :: String -> IO [Integer]
-fsStats path = do
-  stats <- getFileSystemStats path
-  case stats of
-    Nothing -> return [-1, -1, -1]
-    Just f -> let tot = fsStatByteCount f
-                  free = fsStatBytesAvailable f
-                  used = fsStatBytesUsed f
-              in return [tot, free, used]
-
-speedToStr :: Float -> String
-speedToStr = showWithUnits 2 1
-
-sizeToStr :: Integer -> String
-sizeToStr = showWithUnits 3 0 . fromIntegral
-
-findTempl :: DevName -> Path -> [(String, String)] -> String
-findTempl dev path disks =
-  case find devOrPath disks of
-    Just (_, t) -> t
-    Nothing -> ""
-  where devOrPath (d, _) = d == dev || d == path
-
-devTemplates :: [(String, String)]
-                -> [(DevName, Path)]
-                -> [(DevName, [Float])]
-                -> [(String, [Float])]
-devTemplates disks mounted dat =
-  map (\(d, p) -> (findTempl d p disks, findData d)) mounted
-  where findData dev = case find ((==dev) . fst) dat of
-                         Nothing -> [0, 0, 0]
-                         Just (_, xs) -> xs
-
-runDiskIO' :: (String, [Float]) -> Monitor String
-runDiskIO' (tmp, xs) = do
-  s <- mapM (showWithColors speedToStr) xs
-  b <- mapM (showLogBar 0.8) xs
-  setConfigValue tmp template
-  parseTemplate $ s ++ b
-
-runDiskIO :: [(String, String)] -> [String] -> Monitor String
-runDiskIO disks _ = do
-  mounted <- io $ mountedDevices (map fst disks)
-  dat <- io $ mountedData (map fst mounted)
-  strs <- mapM runDiskIO' $ devTemplates disks mounted dat
-  return $ intercalate " " strs
-
-runDiskU' :: String -> String -> Monitor String
-runDiskU' tmp path = do
-  setConfigValue tmp template
-  fstats <- io $ fsStats path
-  let strs = map sizeToStr fstats
-      freep = (fstats !! 1) * 100 `div` head fstats
-      fr = fromIntegral freep / 100
-  s <- zipWithM showWithColors' strs [100, freep, 100 - freep]
-  sp <- showPercentsWithColors [fr, 1 - fr]
-  fb <- showPercentBar (fromIntegral freep) fr
-  ub <- showPercentBar (fromIntegral $ 100 - freep) (1 - fr)
-  parseTemplate $ s ++ sp ++ [fb, ub]
-
-runDiskU :: [(String, String)] -> [String] -> Monitor String
-runDiskU disks _ = do
-  devs <- io $ mountedDevices (map fst disks)
-  strs <- mapM (\(d, p) -> runDiskU' (findTempl d p disks) p) devs
-  return $ intercalate " " strs
-- 
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