diff options
author | jao <jao@gnu.org> | 2018-11-21 23:51:41 +0000 |
---|---|---|
committer | jao <jao@gnu.org> | 2018-11-21 23:51:41 +0000 |
commit | 50134d5b5c4baabdfb35c0aeb8bf53d29f009c4d (patch) | |
tree | a710ee9a8e9ea9e46951d371af29081e1c72f502 /src/lib/Xmobar/Plugins/Monitors/Swap.hs | |
parent | 7674145b878fd315999558075edcfc5e09bdd91c (diff) | |
download | xmobar-50134d5b5c4baabdfb35c0aeb8bf53d29f009c4d.tar.gz xmobar-50134d5b5c4baabdfb35c0aeb8bf53d29f009c4d.tar.bz2 |
All sources moved inside src
Diffstat (limited to 'src/lib/Xmobar/Plugins/Monitors/Swap.hs')
-rw-r--r-- | src/lib/Xmobar/Plugins/Monitors/Swap.hs | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/lib/Xmobar/Plugins/Monitors/Swap.hs b/src/lib/Xmobar/Plugins/Monitors/Swap.hs new file mode 100644 index 0000000..fcaab84 --- /dev/null +++ b/src/lib/Xmobar/Plugins/Monitors/Swap.hs @@ -0,0 +1,56 @@ +----------------------------------------------------------------------------- +-- | +-- Module : Plugins.Monitors.Swap +-- Copyright : (c) Andrea Rossato +-- License : BSD-style (see LICENSE) +-- +-- Maintainer : Jose A. Ortega Ruiz <jao@gnu.org> +-- Stability : unstable +-- Portability : unportable +-- +-- A swap usage monitor for Xmobar +-- +----------------------------------------------------------------------------- + +module Xmobar.Plugins.Monitors.Swap where + +import Xmobar.Plugins.Monitors.Common + +import qualified Data.ByteString.Lazy.Char8 as B + +swapConfig :: IO MConfig +swapConfig = mkMConfig + "Swap: <usedratio>%" -- template + ["usedratio", "total", "used", "free"] -- available replacements + +fileMEM :: IO B.ByteString +fileMEM = B.readFile "/proc/meminfo" + +parseMEM :: IO [Float] +parseMEM = + do file <- fileMEM + let li i l + | l /= [] = head l !! i + | otherwise = B.empty + fs s l + | null l = False + | otherwise = head l == B.pack s + get_data s = flip (/) 1024 . read . B.unpack . li 1 . filter (fs s) + st = map B.words . B.lines $ file + tot = get_data "SwapTotal:" st + free = get_data "SwapFree:" st + return [(tot - free) / tot, tot, tot - free, free] + +formatSwap :: [Float] -> Monitor [String] +formatSwap (r:xs) = do + d <- getConfigValue decDigits + other <- mapM (showWithColors (showDigits d)) xs + ratio <- showPercentWithColors r + return $ ratio:other +formatSwap _ = return $ replicate 4 "N/A" + +runSwap :: [String] -> Monitor String +runSwap _ = + do m <- io parseMEM + l <- formatSwap m + parseTemplate l |