1 files changed, 0 insertions, 195 deletions
diff --git a/src/Xmobar/Plugins/Monitors/Top.hs b/src/Xmobar/Plugins/Monitors/Top.hs
deleted file mode 100644
index d6df249..0000000
--- a/src/Xmobar/Plugins/Monitors/Top.hs
+++ /dev/null
@@ -1,195 +0,0 @@
------------------------------------------------------------------------------
--- |
--- Module      :  Plugins.Monitors.Top
--- Copyright   :  (c) 2010, 2011, 2012, 2013, 2014, 2018 Jose A Ortega Ruiz
--- License     :  BSD-style (see LICENSE)
---
--- Maintainer  :  Jose A Ortega Ruiz <jao@gnu.org>
--- Stability   :  unstable
--- Portability :  unportable
---
---  Process activity and memory consumption monitors
---
------------------------------------------------------------------------------
-
-{-# LANGUAGE ForeignFunctionInterface #-}
-{-# LANGUAGE BangPatterns #-}
-
-module Xmobar.Plugins.Monitors.Top (startTop, topMemConfig, runTopMem) where
-
-import Xmobar.Plugins.Monitors.Common
-
-import Control.Exception (SomeException, handle)
-import Data.IORef (IORef, newIORef, readIORef, writeIORef)
-import Data.List (sortBy, foldl')
-import Data.Ord (comparing)
-import Data.Time.Clock (UTCTime, getCurrentTime, diffUTCTime)
-import System.Directory (getDirectoryContents)
-import System.FilePath ((</>))
-import System.IO (IOMode(ReadMode), hGetLine, withFile)
-import System.Posix.Unistd (SysVar(ClockTick), getSysVar)
-
-import Foreign.C.Types
-
-maxEntries :: Int
-maxEntries = 10
-
-intStrs :: [String]
-intStrs = map show [1..maxEntries]
-
-topMemConfig :: IO MConfig
-topMemConfig = mkMConfig "<both1>"
-                 [ k ++ n | n <- intStrs , k <- ["name", "mem", "both"]]
-
-topConfig :: IO MConfig
-topConfig = mkMConfig "<both1>"
-              ("no" : [ k ++ n | n <- intStrs
-                               , k <- [ "name", "cpu", "both"
-                                      , "mname", "mem", "mboth"]])
-
-foreign import ccall "unistd.h getpagesize"
-  c_getpagesize :: CInt
-
-pageSize :: Float
-pageSize = fromIntegral c_getpagesize / 1024
-
-processes :: IO [FilePath]
-processes = fmap (filter isPid) (getDirectoryContents "/proc")
-  where isPid = (`elem` ['0'..'9']) . head
-
-statWords :: [String] -> [String]
-statWords line@(x:pn:ppn:xs) =
-  if last pn == ')' then line else statWords (x:(pn ++ " " ++ ppn):xs)
-statWords _ = replicate 52 "0"
-
-getProcessData :: FilePath -> IO [String]
-getProcessData pidf =
-  handle ign $ withFile ("/proc" </> pidf </> "stat") ReadMode readWords
-  where readWords = fmap (statWords . words) . hGetLine
-        ign = const (return []) :: SomeException -> IO [String]
-
-memPages :: [String] -> String
-memPages fs = fs!!23
-
-ppid :: [String] -> String
-ppid fs = fs!!3
-
-skip :: [String] -> Bool
-skip fs = length fs < 24 || memPages fs == "0" || ppid fs == "0"
-
-handleProcesses :: ([String] -> a) -> IO [a]
-handleProcesses f =
-  fmap (foldl' (\a p -> if skip p then a else f p : a) [])
-       (processes >>= mapM getProcessData)
-
-showInfo :: String -> String -> Float -> Monitor [String]
-showInfo nm sms mms = do
-  mnw <- getConfigValue maxWidth
-  mxw <- getConfigValue minWidth
-  let lsms = length sms
-      nmw = mnw - lsms - 1
-      nmx = mxw - lsms - 1
-      rnm = if nmw > 0 then padString nmw nmx " " True "" nm else nm
-  mstr <- showWithColors' sms mms
-  both <- showWithColors' (rnm ++ " " ++ sms) mms
-  return [nm, mstr, both]
-
-processName :: [String] -> String
-processName = drop 1 . init . (!!1)
-
-sortTop :: [(String, Float)] -> [(String, Float)]
-sortTop =  sortBy (flip (comparing snd))
-
-type MemInfo = (String, Float)
-
-meminfo :: [String] -> MemInfo
-meminfo fs = (processName fs, pageSize * parseFloat (fs!!23))
-
-meminfos :: IO [MemInfo]
-meminfos = handleProcesses meminfo
-
-showMemInfo :: Float -> MemInfo -> Monitor [String]
-showMemInfo scale (nm, rss) =
-  showInfo nm (showWithUnits 3 1 rss) (100 * rss / sc)
-  where sc = if scale > 0 then scale else 100
-
-showMemInfos :: [MemInfo] -> Monitor [[String]]
-showMemInfos ms = mapM (showMemInfo tm) ms
-  where tm = sum (map snd ms)
-
-runTopMem :: [String] -> Monitor String
-runTopMem _ = do
-  mis <- io meminfos
-  pstr <- showMemInfos (sortTop mis)
-  parseTemplate $ concat pstr
-
-type Pid = Int
-type TimeInfo = (String, Float)
-type TimeEntry = (Pid, TimeInfo)
-type Times = [TimeEntry]
-type TimesRef = IORef (Times, UTCTime)
-
-timeMemEntry :: [String] -> (TimeEntry, MemInfo)
-timeMemEntry fs = ((p, (n, t)), (n, r))
-  where p = parseInt (head fs)
-        n = processName fs
-        t = parseFloat (fs!!13) + parseFloat (fs!!14)
-        (_, r) = meminfo fs
-
-timeMemEntries :: IO [(TimeEntry, MemInfo)]
-timeMemEntries = handleProcesses timeMemEntry
-
-timeMemInfos :: IO (Times, [MemInfo], Int)
-timeMemInfos = fmap res timeMemEntries
-  where res x = (sortBy (comparing fst) $ map fst x, map snd x, length x)
-
-combine :: Times -> Times -> Times
-combine _ [] = []
-combine [] ts = ts
-combine l@((p0, (n0, t0)):ls) r@((p1, (n1, t1)):rs)
-  | p0 == p1 && n0 == n1 = (p0, (n0, t1 - t0)) : combine ls rs
-  | p0 <= p1 = combine ls r
-  | otherwise = (p1, (n1, t1)) : combine l rs
-
-take' :: Int -> [a] -> [a]
-take' m l = let !r = tk m l in length l `seq` r
-  where tk 0 _ = []
-        tk _ [] = []
-        tk n (x:xs) = let !r = tk (n - 1) xs in x : r
-
-topProcesses :: TimesRef -> Float -> IO (Int, [TimeInfo], [MemInfo])
-topProcesses tref scale = do
-  (t0, c0) <- readIORef tref
-  (t1, mis, len) <- timeMemInfos
-  c1 <- getCurrentTime
-  let scx = realToFrac (diffUTCTime c1 c0) * scale
-      !scx' = if scx > 0 then scx else scale
-      nts = map (\(_, (nm, t)) -> (nm, min 100 (t / scx'))) (combine t0 t1)
-      !t1' = take' (length t1) t1
-      !nts' = take' maxEntries (sortTop nts)
-      !mis' = take' maxEntries (sortTop mis)
-  writeIORef tref (t1', c1)
-  return (len, nts', mis')
-
-showTimeInfo :: TimeInfo -> Monitor [String]
-showTimeInfo (n, t) =
-  getConfigValue decDigits >>= \d -> showInfo n (showDigits d t) t
-
-showTimeInfos :: [TimeInfo] -> Monitor [[String]]
-showTimeInfos = mapM showTimeInfo
-
-runTop :: TimesRef -> Float -> [String] -> Monitor String
-runTop tref scale _ = do
-  (no, ps, ms) <- io $ topProcesses tref scale
-  pstr <- showTimeInfos ps
-  mstr <- showMemInfos ms
-  parseTemplate $ show no : concat (zipWith (++) pstr mstr) ++ repeat "N/A"
-
-startTop :: [String] -> Int -> (String -> IO ()) -> IO ()
-startTop a r cb = do
-  cr <- getSysVar ClockTick
-  c <- getCurrentTime
-  tref <- newIORef ([], c)
-  let scale = fromIntegral cr / 100
-  _ <- topProcesses tref scale
-  runM a topConfig (runTop tref scale) r cb