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|
-----------------------------------------------------------------------------
-- |
-- Module : Plugins.Monitors.Disk
-- Copyright : (c) 2010, 2011, 2012, 2014, 2018, 2019 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
--
-----------------------------------------------------------------------------
{-# LANGUAGE CPP #-}
module Xmobar.Plugins.Monitors.Disk (diskUConfig, runDiskU, startDiskIO) where
import Xmobar.Plugins.Monitors.Common
#if defined(freebsd_HOST_OS)
import qualified Xmobar.Plugins.Monitors.Disk.FreeBSD as MD
#else
import qualified Xmobar.Plugins.Monitors.Disk.Linux as MD
#endif
import Control.Monad (zipWithM)
import System.Console.GetOpt
import Data.List (find)
import Xmobar.Plugins.Monitors.Disk.Common (
DevName
, Path
)
data DiskIOOpts = DiskIOOpts
{ totalIconPattern :: Maybe IconPattern
, writeIconPattern :: Maybe IconPattern
, readIconPattern :: Maybe IconPattern
, contiguous :: Bool
}
dioDefaultOpts :: DiskIOOpts
dioDefaultOpts = DiskIOOpts
{ totalIconPattern = Nothing
, writeIconPattern = Nothing
, readIconPattern = Nothing
, contiguous = False
}
dioOptions :: [OptDescr (DiskIOOpts -> DiskIOOpts)]
dioOptions =
[ Option "" ["total-icon-pattern"] (ReqArg (\x o ->
o { totalIconPattern = Just $ parseIconPattern x}) "") ""
, Option "" ["write-icon-pattern"] (ReqArg (\x o ->
o { writeIconPattern = Just $ parseIconPattern x}) "") ""
, Option "" ["read-icon-pattern"] (ReqArg (\x o ->
o { readIconPattern = Just $ parseIconPattern x}) "") ""
, Option "c" ["contiguous"] (NoArg (\o -> o {contiguous = True})) ""
]
diskIOConfig :: IO MConfig
diskIOConfig = mkMConfig "" ["total", "read", "write"
,"totalb", "readb", "writeb"
,"totalbar", "readbar", "writebar"
,"totalbbar", "readbbar", "writebbar"
,"totalvbar", "readvbar", "writevbar"
,"totalbvbar", "readbvbar", "writebvbar"
,"totalipat", "readipat", "writeipat"
,"totalbipat", "readbipat", "writebipat"
]
data DiskUOpts = DiskUOpts
{ freeIconPattern :: Maybe IconPattern
, usedIconPattern :: Maybe IconPattern
, contiguousU :: Bool
}
duDefaultOpts :: DiskUOpts
duDefaultOpts = DiskUOpts
{ freeIconPattern = Nothing
, usedIconPattern = Nothing
, contiguousU = False
}
duOptions :: [OptDescr (DiskUOpts -> DiskUOpts)]
duOptions =
[ Option "" ["free-icon-pattern"] (ReqArg (\x o ->
o { freeIconPattern = Just $ parseIconPattern x}) "") ""
, Option "" ["used-icon-pattern"] (ReqArg (\x o ->
o { usedIconPattern = Just $ parseIconPattern x}) "") ""
, Option "c" ["contiguous"] (NoArg (\o -> o {contiguousU = True})) ""
]
diskUConfig :: IO MConfig
diskUConfig = mkMConfig ""
[ "size", "free", "used", "freep", "usedp"
, "freebar", "freevbar", "freeipat"
, "usedbar", "usedvbar", "usedipat"
]
speedToStr :: Float -> String
speedToStr = showWithUnits 2 1 . (/ 1024)
sizeToStr :: Integer -> String
sizeToStr = showWithUnits 3 0 . fromIntegral
runDiskIO' :: DiskIOOpts -> (String, [Float]) -> Monitor String
runDiskIO' opts (tmp, xs) = do
s <- mapM (showWithColors speedToStr) xs
b <- mapM (showLogBar 0.8) xs
vb <- mapM (showLogVBar 0.8) xs
ipat <- mapM (\(f,v) -> showLogIconPattern (f opts) 0.8 v)
$ zip [totalIconPattern, readIconPattern, writeIconPattern
, totalIconPattern, readIconPattern, writeIconPattern]
xs
setConfigValue tmp template
parseTemplate $ s ++ b ++ vb ++ ipat
runDiskIO :: MD.DevDataRef -> [(String, String)] -> [String] -> Monitor String
runDiskIO dref disks argv = do
opts <- io $ parseOptsWith dioOptions dioDefaultOpts argv
stats <- io $ MD.fetchDataIO dref disks
mounted <- io $ MD.fetchDataUsage disks
strs <- mapM (runDiskIO' opts) $ devTemplates disks (map fst mounted) stats
return $ (if contiguous opts then concat else unwords) strs
startDiskIO :: [(String, String)] ->
[String] -> Int -> (String -> IO ()) -> IO ()
startDiskIO disks args rate cb = do
dref <- MD.initializeDevDataRef disks
runM args diskIOConfig (runDiskIO dref disks) rate cb
runDiskU' :: DiskUOpts -> String -> [Integer] -> Monitor String
runDiskU' opts tmp stat = do
setConfigValue tmp template
let [total, free, diff] = stat
strs = map sizeToStr [free, diff]
freep = if total > 0 then free * 100 `div` total else 0
fr = fromIntegral freep / 100
s <- zipWithM showWithColors' strs [freep, 100 - freep]
sp <- showPercentsWithColors [fr, 1 - fr]
fb <- showPercentBar (fromIntegral freep) fr
fvb <- showVerticalBar (fromIntegral freep) fr
fipat <- showIconPattern (freeIconPattern opts) fr
ub <- showPercentBar (fromIntegral $ 100 - freep) (1 - fr)
uvb <- showVerticalBar (fromIntegral $ 100 - freep) (1 - fr)
uipat <- showIconPattern (usedIconPattern opts) (1 - fr)
parseTemplate $ [sizeToStr total] ++ s ++ sp ++ [fb,fvb,fipat,ub,uvb,uipat]
runDiskU :: [(String, String)] -> [String] -> Monitor String
runDiskU disks argv = do
opts <- io $ parseOptsWith duOptions duDefaultOpts argv
stats <- io $ MD.fetchDataUsage disks
strs <- mapM (\((d, p), stat) -> runDiskU' opts (findTempl d p disks) stat) stats
return $ (if contiguousU opts then concat else unwords) strs
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
|
