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-rw-r--r--src/Xmobar/Plugins/Monitors/Disk.hs165
-rw-r--r--src/Xmobar/Plugins/Monitors/Disk/Common.hs21
-rw-r--r--src/Xmobar/Plugins/Monitors/Disk/FreeBSD.hsc403
-rw-r--r--src/Xmobar/Plugins/Monitors/Disk/Linux.hs148
-rw-r--r--src/Xmobar/Plugins/Monitors/Net/FreeBSD.hsc1
5 files changed, 613 insertions, 125 deletions
diff --git a/src/Xmobar/Plugins/Monitors/Disk.hs b/src/Xmobar/Plugins/Monitors/Disk.hs
index debc522..47d1eac 100644
--- a/src/Xmobar/Plugins/Monitors/Disk.hs
+++ b/src/Xmobar/Plugins/Monitors/Disk.hs
@@ -12,20 +12,25 @@
--
-----------------------------------------------------------------------------
+{-# LANGUAGE CPP #-}
+
module Xmobar.Plugins.Monitors.Disk (diskUConfig, runDiskU, startDiskIO) where
import Xmobar.Plugins.Monitors.Common
-import Xmobar.System.StatFS
-
-import Data.IORef (IORef, newIORef, readIORef, writeIORef)
+#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.Exception (SomeException, handle)
import Control.Monad (zipWithM)
-import qualified Data.ByteString.Lazy.Char8 as B
-import Data.List (isPrefixOf, find)
-import Data.Maybe (catMaybes)
-import System.Directory (canonicalizePath, doesFileExist)
import System.Console.GetOpt
+import Data.List (find)
+
+import Xmobar.Plugins.Monitors.Disk.Common (
+ DevName
+ , Path
+ )
data DiskIOOpts = DiskIOOpts
{ totalIconPattern :: Maybe IconPattern
@@ -93,103 +98,12 @@ diskUConfig = mkMConfig ""
, "usedbar", "usedvbar", "usedipat"
]
-type DevName = String
-type Path = String
-type DevDataRef = IORef [(DevName, [Float])]
-
-mountedDevices :: [String] -> IO [(DevName, Path)]
-mountedDevices req = do
- s <- B.readFile "/etc/mtab"
- parse `fmap` mapM mbcanon (devs s)
- where
- mbcanon (d, p) = doesFileExist d >>= \e ->
- if e
- then Just `fmap` canon (d,p)
- else return Nothing
- canon (d, p) = do {d' <- canonicalizePath d; return (d', p)}
- devs = filter isDev . map (firstTwo . B.words) . B.lines
- parse = map undev . filter isReq . catMaybes
- firstTwo (a:b:_) = (B.unpack a, B.unpack b)
- firstTwo _ = ("", "")
- isDev (d, _) = "/dev/" `isPrefixOf` d
- isReq (d, p) = p `elem` req || drop 5 d `elem` req
- undev (d, f) = (drop 5 d, f)
-
-diskDevices :: [String] -> IO [(DevName, Path)]
-diskDevices req = do
- s <- B.readFile "/proc/diskstats"
- parse `fmap` mapM canon (devs s)
- where
- canon (d, p) = do {d' <- canonicalizePath d; return (d', p)}
- devs = map (third . B.words) . B.lines
- parse = map undev . filter isReq
- third (_:_:c:_) = ("/dev/" ++ B.unpack c, B.unpack c)
- third _ = ("", "")
- isReq (d, p) = p `elem` req || drop 5 d `elem` req
- undev (d, f) = (drop 5 d, f)
-
-mountedOrDiskDevices :: [String] -> IO [(DevName, Path)]
-mountedOrDiskDevices req = do
- mnt <- mountedDevices req
- case mnt of
- [] -> diskDevices req
- other -> return other
-
-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 :: DevDataRef -> [DevName] -> IO [(DevName, [Float])]
-mountedData dref devs = do
- dt <- readIORef dref
- dt' <- diskData
- writeIORef dref dt'
- 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 r = 4096 * xs !! 2
- w = 4096 * xs !! 6
- t = r + w
- rSp = speed r (xs !! 3)
- wSp = speed w (xs !! 7)
- sp = speed t (xs !! 3 + xs !! 7)
- speed x d = if d == 0 then 0 else x / d
- dat' = if length xs > 6
- then [sp, rSp, wSp, t, r, w]
- else [0, 0, 0, 0, 0, 0]
- in (dev, dat')
-
speedToStr :: Float -> String
speedToStr = showWithUnits 2 1 . (/ 1024)
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' :: DiskIOOpts -> (String, [Float]) -> Monitor String
runDiskIO' opts (tmp, xs) = do
s <- mapM (showWithColors speedToStr) xs
@@ -202,37 +116,25 @@ runDiskIO' opts (tmp, xs) = do
setConfigValue tmp template
parseTemplate $ s ++ b ++ vb ++ ipat
-runDiskIO :: DevDataRef -> [(String, String)] -> [String] -> Monitor String
+runDiskIO :: MD.DevDataRef -> [(String, String)] -> [String] -> Monitor String
runDiskIO dref disks argv = do
opts <- io $ parseOptsWith dioOptions dioDefaultOpts argv
- dev <- io $ mountedOrDiskDevices (map fst disks)
- dat <- io $ mountedData dref (map fst dev)
- strs <- mapM (runDiskIO' opts) $ devTemplates disks dev dat
+ 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
- dev <- mountedOrDiskDevices (map fst disks)
- dref <- newIORef (map (\d -> (fst d, repeat 0)) dev)
- _ <- mountedData dref (map fst dev)
+ dref <- MD.initializeDevDataRef disks
runM args diskIOConfig (runDiskIO dref disks) rate cb
-fsStats :: String -> IO [Integer]
-fsStats path = do
- stats <- getFileSystemStats path
- case stats of
- Nothing -> return [0, 0, 0]
- Just f -> let tot = fsStatByteCount f
- free = fsStatBytesAvailable f
- used = fsStatBytesUsed f
- in return [tot, free, used]
-
-runDiskU' :: DiskUOpts -> String -> String -> Monitor String
-runDiskU' opts tmp path = do
+runDiskU' :: DiskUOpts -> String -> [Integer] -> Monitor String
+runDiskU' opts tmp stat = do
setConfigValue tmp template
- [total, free, diff] <- io (handle ign $ fsStats path)
- let strs = map sizeToStr [free, diff]
+ 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]
@@ -244,12 +146,27 @@ runDiskU' opts tmp path = do
uvb <- showVerticalBar (fromIntegral $ 100 - freep) (1 - fr)
uipat <- showIconPattern (usedIconPattern opts) (1 - fr)
parseTemplate $ [sizeToStr total] ++ s ++ sp ++ [fb,fvb,fipat,ub,uvb,uipat]
- where ign = const (return [0, 0, 0]) :: SomeException -> IO [Integer]
-
runDiskU :: [(String, String)] -> [String] -> Monitor String
runDiskU disks argv = do
- devs <- io $ mountedDevices (map fst disks)
opts <- io $ parseOptsWith duOptions duDefaultOpts argv
- strs <- mapM (\(d, p) -> runDiskU' opts (findTempl d p disks) p) devs
+ 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
diff --git a/src/Xmobar/Plugins/Monitors/Disk/Common.hs b/src/Xmobar/Plugins/Monitors/Disk/Common.hs
new file mode 100644
index 0000000..cdfb73c
--- /dev/null
+++ b/src/Xmobar/Plugins/Monitors/Disk/Common.hs
@@ -0,0 +1,21 @@
+-----------------------------------------------------------------------------
+-- |
+-- Module : Plugins.Monitors.Disk.Common
+-- 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
+--
+-----------------------------------------------------------------------------
+
+module Xmobar.Plugins.Monitors.Disk.Common (
+ DevName
+ , Path
+ ) where
+
+type DevName = String
+type Path = String
diff --git a/src/Xmobar/Plugins/Monitors/Disk/FreeBSD.hsc b/src/Xmobar/Plugins/Monitors/Disk/FreeBSD.hsc
new file mode 100644
index 0000000..296ba6c
--- /dev/null
+++ b/src/Xmobar/Plugins/Monitors/Disk/FreeBSD.hsc
@@ -0,0 +1,403 @@
+{-# LANGUAGE CPP #-}
+{-# LANGUAGE ForeignFunctionInterface #-}
+{-# LANGUAGE EmptyDataDecls #-}
+{-# LANGUAGE BangPatterns #-}
+{-# LANGUAGE CApiFFI #-}
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE NumDecimals #-}
+-----------------------------------------------------------------------------
+-- |
+-- Module : Plugins.Monitors.Disk.Freebsd
+-- 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
+--
+-----------------------------------------------------------------------------
+
+module Xmobar.Plugins.Monitors.Disk.FreeBSD
+ (
+ fetchDataIO
+ , fetchDataUsage
+ , initializeDevDataRef
+ , DevDataRef
+ ) where
+
+import Data.IORef (
+ IORef
+ , newIORef
+ , readIORef
+ , writeIORef
+ )
+
+import Xmobar.Plugins.Monitors.Disk.Common (
+ DevName
+ , Path
+ )
+
+import qualified Control.Exception.Extensible as E
+import qualified Data.List as DL
+import qualified Data.Map as DM
+import qualified Data.Set as DS
+import Data.Time.Clock.POSIX
+import Foreign
+import Foreign.C.Error (throwErrnoIfMinus1_)
+import Foreign.C.String
+import Foreign.C.Types
+import System.BSD.Sysctl
+
+#include <sys/sysctl.h>
+#include <sys/mount.h>
+#include <devstat.h>
+#include <libgeom.h>
+
+foreign import ccall unsafe "sys/mount.h getfsstat" c_getfsstat :: Ptr STATFS -> CInt -> CInt -> IO CInt
+foreign import ccall unsafe "geom_stats_open" c_geom_stats_open :: IO CInt
+foreign import ccall unsafe "geom_stats_snapshot_get" c_geom_stats_snapshot_get :: IO (Ptr GSNAP)
+foreign import ccall unsafe "&geom_stats_snapshot_free" c_geom_stats_snapshot_free :: FinalizerPtr GSNAP
+foreign import ccall unsafe "geom_stats_snapshot_next" c_geom_stats_snapshot_next :: Ptr GSNAP -> IO (Ptr DEVSTAT)
+foreign import ccall unsafe "geom_gettree" c_geom_gettree :: Ptr GMESH -> IO CInt
+foreign import ccall unsafe "geom_lookupid" c_geom_lookupid :: Ptr GMESH -> Ptr VOIDPTR -> IO (Ptr GIDENT)
+foreign import ccall unsafe "&geom_deletetree" c_geom_deletetree :: FinalizerPtr GMESH
+foreign import ccall unsafe "geom_stats_snapshot_timestamp" c_geom_stats_snapshot_timestamp :: Ptr GSNAP -> Ptr Timespec -> IO CInt
+
+type DevDataRef = IORef (DM.Map String DevStatData)
+
+data STATFS
+data StatFs = StatFs !(ForeignPtr STATFS)
+ deriving (Eq, Show)
+
+data DEVSTAT
+data DevStat = DevStat !(ForeignPtr DEVSTAT)
+ deriving (Eq, Show)
+
+data GMESH
+data GMesh = GMesh !(ForeignPtr GMESH)
+
+data GSNAP
+data GSnap = GSnap !(ForeignPtr GSNAP)
+
+data GIDENT
+data VOIDPTR
+data Timespec
+
+data DevStatData = DevStatData {
+ devname :: String
+ , readDevStat :: Int64
+ , writeDevStat :: Int64
+ , devstatId :: Ptr VOIDPTR
+ , devStatTime :: Rational
+ }
+ deriving (Show, Eq)
+
+data StatFsData = StatFsData
+ {
+ fsMntFromName :: String
+ , fsMntOnName :: String
+ , fsStatBlockSize :: Integer
+ -- ^ Optimal transfer block size.
+ , fsStatBlockCount :: Integer
+ -- ^ Total data blocks in file system.
+ , fsStatByteCount :: Integer
+ -- ^ Total bytes in file system.
+ , fsStatBytesFree :: Integer
+ -- ^ Free bytes in file system.
+ , fsStatBytesAvailable :: Integer
+ -- ^ Free bytes available to non-superusers.
+ , fsStatBytesUsed :: Integer
+ -- ^ Bytes used.
+ }
+ deriving (Show, Read, Eq)
+
+data GIdentData = GIdentData
+ {
+ lgPtr :: Ptr VOIDPTR
+ , lgWhat :: CInt
+ }
+ deriving (Show, Eq)
+
+instance Storable GIdentData where
+ alignment _ = #{alignment struct gident}
+ sizeOf _ = #{size struct gident}
+ peek ptr = do
+ gIdentLgPtr <- #{peek struct gident, lg_ptr} ptr :: IO (Ptr VOIDPTR)
+ gIdentLgWhat <- #{peek struct gident, lg_what} ptr :: IO CInt
+ return GIdentData {
+ lgPtr=gIdentLgPtr
+ , lgWhat=gIdentLgWhat
+ }
+
+ poke _ _ = pure ()
+
+instance Storable DevStatData where
+ alignment _ = #{alignment struct devstat}
+ sizeOf _ = #{size struct devstat}
+ peek ptr = do
+ device_id <- #{peek struct devstat, id} ptr :: IO (Ptr VOIDPTR)
+ device_name <- peekCString $ #{ptr struct devstat, device_name} ptr
+ unit_number <- #{peek struct devstat, unit_number} ptr :: IO Int
+ bytes_values <- peekArray 4 $ #{ptr struct devstat, bytes} ptr :: IO [CUIntMax]
+ let
+ read_value = bytes_values !! #{const DEVSTAT_READ}
+ write_value = bytes_values !! #{const DEVSTAT_WRITE}
+ return DevStatData {
+ devname=concat [device_name, show unit_number]
+ , readDevStat=fromInteger . toInteger $ read_value
+ , writeDevStat=fromInteger . toInteger $ write_value
+ , devstatId=device_id
+ , devStatTime=0
+ }
+
+
+ poke _ _ = pure ()
+
+instance Storable StatFsData where
+ alignment _ = #{alignment struct statfs}
+ sizeOf _ = #{size struct statfs}
+ peek ptr = do
+ fmntfromname <- peekCString $ #{ptr struct statfs, f_mntfromname} ptr
+ fmntonname <- peekCString $ #{ptr struct statfs, f_mntonname} ptr
+ bsize <- #{peek struct statfs, f_bsize} ptr
+ bcount <- #{peek struct statfs, f_blocks} ptr
+ bfree <- #{peek struct statfs, f_bfree} ptr
+ bavail <- #{peek struct statfs, f_bavail} ptr
+ let
+ bpb = toI bsize
+ return $ StatFsData {
+ fsMntFromName = fmntfromname
+ , fsMntOnName = fmntonname
+ , fsStatBlockSize = bpb
+ , fsStatBlockCount = toI bcount
+ , fsStatByteCount = toI bcount * bpb
+ , fsStatBytesFree = toI bfree * bpb
+ , fsStatBytesAvailable = toI bavail * bpb
+ , fsStatBytesUsed = toI (bcount - bfree) * bpb
+ }
+
+ poke _ _ = pure ()
+
+
+toI :: CULong -> Integer
+toI = toInteger
+
+mountCount :: IO CInt
+mountCount = c_getfsstat nullPtr 0 #{const MNT_NOWAIT}
+
+getMountInfo :: IO [StatFsData]
+getMountInfo = do
+ cmountcount <- mountCount
+ let
+ cbytes = cmountcount * #{size struct statfs}
+ bytes = fromInteger . toInteger $ cbytes
+ mountcount = fromInteger . toInteger $ cmountcount
+ allocaBytes bytes $ \vfs -> do
+ c_getfsstat vfs cbytes #{const MNT_NOWAIT}
+ peekArray mountcount $ castPtr vfs :: IO [StatFsData]
+
+cTimeToInteger :: CTime -> Integer
+cTimeToInteger (CTime n) = fromIntegral n
+
+getSnapshotTime :: GSnap -> IO Integer
+getSnapshotTime (GSnap snap_fp) = do
+ allocaBytes #{const sizeof(struct timespec)} $ \p_ts -> do
+ withForeignPtr snap_fp $ \snap_ptr -> do
+ throwErrnoIfMinus1_ "geom_stats_snapshot_timestamp"
+ $ c_geom_stats_snapshot_timestamp snap_ptr p_ts
+ u_sec <- #{peek struct timespec,tv_sec} p_ts :: IO CTime
+ u_nsec <- #{peek struct timespec,tv_nsec} p_ts :: IO CLong
+ return (cTimeToInteger u_sec * 1e12 + fromIntegral u_nsec * 1e3)
+
+checkGeomStat' :: GIdentData -> GSnap -> DevStatData -> [DevStatData] -> IO [DevStatData]
+checkGeomStat' gident_data gsnap stat acc
+ | (lgWhat gident_data) /= #{const ISPROVIDER} = return acc
+ | otherwise = do
+ lgNamePtr <- #{peek struct gprovider, lg_name} $ lgPtr gident_data
+ lgName <- peekCString $ castPtr lgNamePtr
+ lgTime <- toRational <$> getSnapshotTime gsnap
+ return $ stat
+ {
+ devname=concat ["/dev/", lgName]
+ , devStatTime= lgTime / 1e12
+ } : acc
+
+
+checkGeomStat :: Ptr GIDENT -> GSnap -> DevStatData -> [DevStatData] -> IO [DevStatData]
+checkGeomStat gident_ptr gsnap stat acc
+ | gident_ptr == nullPtr = return acc
+ | otherwise = do
+ gIdent <- peek $ castPtr gident_ptr :: IO GIdentData
+ checkGeomStat' gIdent gsnap stat acc
+
+
+getGeomStats' :: GMesh -> GSnap -> Ptr DEVSTAT -> [DevStatData] -> IO [DevStatData]
+getGeomStats' gmeshD@(GMesh gmesh_fp) gsnapD@(GSnap snap_fp) ptr acc
+ | ptr == nullPtr = return acc
+ | otherwise = do
+ withForeignPtr snap_fp $ \snap_ptr -> do
+ acc' <- withForeignPtr gmesh_fp $ \gmesh_ptr -> do
+ stat <- (peek $ castPtr ptr) :: IO DevStatData
+ gIdentPtr <- c_geom_lookupid gmesh_ptr (devstatId stat)
+ checkGeomStat gIdentPtr gsnapD stat acc
+ nextStatPtr <- c_geom_stats_snapshot_next snap_ptr
+ getGeomStats' gmeshD gsnapD nextStatPtr acc'
+
+getGeomStats :: IO [DevStatData]
+getGeomStats = do
+ gmesh_fp <- mallocForeignPtrBytes bytesmesh
+ addForeignPtrFinalizer c_geom_deletetree gmesh_fp
+ c_geom_stats_open
+ withForeignPtr gmesh_fp $ \gmesh_ptr -> do
+ c_geom_gettree gmesh_ptr
+ snap_ptr <- c_geom_stats_snapshot_get
+ snap_fp <- newForeignPtr c_geom_stats_snapshot_free snap_ptr
+ withForeignPtr snap_fp $ \snap_ptr' -> do
+ nextStatPtr <- c_geom_stats_snapshot_next snap_ptr'
+ getGeomStats' (GMesh gmesh_fp) (GSnap snap_fp) nextStatPtr []
+ where
+ bytesmesh = #{size struct gmesh}
+
+
+readGeomStats :: DM.Map String DevStatData -> IO (DM.Map String DevStatData)
+readGeomStats acc = do
+ (Prelude.foldr (\x-> DM.insert (devname x) x) acc) <$> getGeomStats
+
+defaultDevStatData :: DevStatData
+defaultDevStatData = DevStatData
+ {
+ devname = ""
+ , readDevStat = 0
+ , writeDevStat = 0
+ , devstatId = nullPtr
+ , devStatTime = 0
+ }
+
+sysctlNextOid :: [Int32] -> IO [Int32]
+sysctlNextOid oid = do
+ let query_oid = #{const CTL_SYSCTL} : #{const CTL_SYSCTL_NEXT} : oid
+ E.catch (sysctlPeekArray query_oid :: IO [Int32]) (\(E.SomeException _) -> return [])
+
+sysctlOidToName :: [Int32] -> IO String
+sysctlOidToName oid = do
+ let query_oid = #{const CTL_SYSCTL} : #{const CTL_SYSCTL_NAME} : oid
+ nameO <- sysctlReadString query_oid
+ return nameO
+
+fetchZfsStat :: [Int32] -> DM.Map (String, String) DevStatData -> [String] -> IO (DM.Map (String, String) DevStatData)
+fetchZfsStat oid acc (_ : _ : poolName : "dataset" : refName : "nread" : []) = do
+ readsB <- sysctlReadLong oid
+ let val = DM.findWithDefault defaultDevStatData (poolName, refName) acc
+ val' = val
+ {
+ readDevStat = readsB
+ }
+ return $ DM.insert (poolName, refName) val' acc
+
+fetchZfsStat oid acc (_ : _ : poolName : "dataset" : refName : "nwritten" : []) = do
+ writesB <- sysctlReadLong oid
+ let val = DM.findWithDefault defaultDevStatData (poolName, refName) acc
+ val' = val
+ {
+ writeDevStat = writesB
+ }
+ return $ DM.insert (poolName, refName) val' acc
+
+fetchZfsStat oid acc (_ : _ : poolName : "dataset" : refName : "dataset_name" : []) = do
+ datasetName <- sysctlReadString oid
+ datasetTime <- toRational <$> getPOSIXTime
+ let val = DM.findWithDefault defaultDevStatData (poolName, refName) acc
+ val' = val
+ {
+ devname = datasetName
+ , devStatTime = datasetTime
+ }
+ return $ DM.insert (poolName, refName) val' acc
+
+fetchZfsStat _ acc _ = return acc
+
+readZfsStat' :: [Int32] -> [Int32] -> DM.Map (String, String) DevStatData -> IO (DM.Map (String, String) DevStatData)
+readZfsStat' mainOid actOid acc
+ | mainOid `DL.isPrefixOf` actOid = do
+ nameDS <- sysctlOidToName actOid
+ let nameArr = splitOnDot nameDS
+ acc' <- fetchZfsStat actOid acc nameArr
+ nextOid <- sysctlNextOid actOid
+ readZfsStat' mainOid nextOid acc'
+
+ | otherwise = return acc
+
+splitOnDot :: String -> [String]
+splitOnDot [] = [[]]
+splitOnDot ('.':xs) = [] : splitOnDot xs
+splitOnDot (x:xs) =
+ let rest = splitOnDot xs
+ in (x : head rest) : tail rest
+
+readZfsStats :: DM.Map DevName DevStatData -> IO (DM.Map DevName DevStatData)
+readZfsStats acc = do
+ mainO <- sysctlNameToOid "kstat.zfs"
+ mainOid <- sysctlExtractOid mainO
+ (DM.foldr (\x-> DM.insert (devname x) x) acc) <$> (readZfsStat' mainOid mainOid $ DM.empty)
+
+readDevsStats :: IO (DM.Map DevName DevStatData)
+readDevsStats = do
+ geomStats <- readGeomStats DM.empty
+ readZfsStats geomStats
+
+extractDataIO :: DM.Map String DevStatData -> DM.Map String DevStatData -> String -> (DevName, [Float])
+extractDataIO currs prevs disk = (disk, diffStat)
+ where
+ diffStat = [sp, rSp, wSp, fromInteger t, fromInteger r, fromInteger w]
+ r = toInteger $ (readDevStat curr) - (readDevStat prev)
+ w = toInteger $ (writeDevStat curr) - (writeDevStat prev)
+ t = r + w
+ rSp = speed r diffTime
+ wSp = speed w diffTime
+ sp = speed t diffTime
+ curr = DM.findWithDefault defaultDevStatData disk currs
+ prev = DM.findWithDefault defaultDevStatData disk prevs
+ diffTime = (devStatTime curr) - (devStatTime prev)
+ speed :: Integer -> Rational -> Float
+ speed _ 0 = 0
+ speed x d = (fromInteger x) / (realToFrac d)
+
+fetchDataIO :: DevDataRef -> [(String, String)] -> IO [(DevName, [Float])]
+fetchDataIO dref disks = do
+ currStats <- readDevsStats
+ prevStats <- readIORef dref
+ writeIORef dref currStats
+ return $ map (extractDataIO currStats prevStats) $ mountedOrDiskDevices disks currStats
+
+fetchDataUsage :: [(String, String)] -> IO [((DevName, Path), [Integer])]
+fetchDataUsage disks = Prelude.map extractStat <$> Prelude.filter isReq <$> getMountInfo
+ where
+ req = Prelude.map fst disks
+ isReq :: StatFsData -> Bool
+ isReq stat = (fsMntOnName stat) `elem` req
+ || Prelude.drop 5 (fsMntFromName stat) `elem` req
+ || (fsMntFromName stat) `elem` req
+ extractStat :: StatFsData -> ((String, String), [Integer])
+ extractStat stat = ((fsMntFromName stat, fsMntOnName stat)
+ , [
+ fsStatByteCount stat
+ , fsStatBytesFree stat
+ , fsStatBytesUsed stat
+ ]
+ )
+
+initializeDevDataRef :: [(String, String)] -> IO DevDataRef
+initializeDevDataRef _ = do
+ stats <- readDevsStats
+ newIORef stats
+
+mountedOrDiskDevices :: [(DevName, Path)] -> DM.Map String DevStatData -> [DevName]
+mountedOrDiskDevices mounted devs = DS.elems $ mountedOrDiskDevices' mountedAcc (DM.keys devs)
+ where
+ mountedAcc = mountedOrDiskDevices' DS.empty (map fst mounted)
+
+mountedOrDiskDevices' :: DS.Set DevName -> [DevName] -> DS.Set DevName
+mountedOrDiskDevices' acc [] = acc
+mountedOrDiskDevices' acc (x:xs) = mountedOrDiskDevices' (DS.insert x acc) xs
diff --git a/src/Xmobar/Plugins/Monitors/Disk/Linux.hs b/src/Xmobar/Plugins/Monitors/Disk/Linux.hs
new file mode 100644
index 0000000..aacb648
--- /dev/null
+++ b/src/Xmobar/Plugins/Monitors/Disk/Linux.hs
@@ -0,0 +1,148 @@
+-----------------------------------------------------------------------------
+-- |
+-- Module : Plugins.Monitors.Disk.Linux
+-- 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
+--
+-----------------------------------------------------------------------------
+
+module Xmobar.Plugins.Monitors.Disk.Linux
+ (
+ fetchDataIO
+ , fetchDataUsage
+ , initializeDevDataRef
+ , DevDataRef
+ ) where
+
+import Data.IORef (
+ IORef
+ , newIORef
+ , readIORef
+ , writeIORef
+ )
+
+import Xmobar.System.StatFS (
+ getFileSystemStats
+ , fsStatByteCount
+ , fsStatBytesAvailable
+ , fsStatBytesUsed
+ )
+import qualified Data.ByteString.Lazy.Char8 as B
+import Data.List (isPrefixOf, find)
+import Data.Maybe (catMaybes)
+import System.Directory (canonicalizePath, doesFileExist)
+import Control.Exception (SomeException, handle)
+
+import Xmobar.Plugins.Monitors.Disk.Common (
+ DevName
+ , Path
+ )
+
+type DevDataRef = IORef [(DevName, [Float])]
+
+fsStats :: String -> IO [Integer]
+fsStats path = do
+ stats <- getFileSystemStats path
+ case stats of
+ Nothing -> return [0, 0, 0]
+ Just f -> let tot = fsStatByteCount f
+ free = fsStatBytesAvailable f
+ used = fsStatBytesUsed f
+ in return [tot, free, used]
+
+mountedDevices :: [String] -> IO [(DevName, Path)]
+mountedDevices req = do
+ s <- B.readFile "/etc/mtab"
+ parse `fmap` mapM mbcanon (devs s)
+ where
+ mbcanon (d, p) = doesFileExist d >>= \e ->
+ if e
+ then Just `fmap` canon (d,p)
+ else return Nothing
+ canon (d, p) = do {d' <- canonicalizePath d; return (d', p)}
+ devs = filter isDev . map (firstTwo . B.words) . B.lines
+ parse = map undev . filter isReq . catMaybes
+ firstTwo (a:b:_) = (B.unpack a, B.unpack b)
+ firstTwo _ = ("", "")
+ isDev (d, _) = "/dev/" `isPrefixOf` d
+ isReq (d, p) = p `elem` req || drop 5 d `elem` req
+ undev (d, f) = (drop 5 d, f)
+
+diskDevices :: [String] -> IO [(DevName, Path)]
+diskDevices req = do
+ s <- B.readFile "/proc/diskstats"
+ parse `fmap` mapM canon (devs s)
+ where
+ canon (d, p) = do {d' <- canonicalizePath d; return (d', p)}
+ devs = map (third . B.words) . B.lines
+ parse = map undev . filter isReq
+ third (_:_:c:_) = ("/dev/" ++ B.unpack c, B.unpack c)
+ third _ = ("", "")
+ isReq (d, p) = p `elem` req || drop 5 d `elem` req
+ undev (d, f) = (drop 5 d, f)
+
+mountedOrDiskDevices :: [String] -> IO [(DevName, Path)]
+mountedOrDiskDevices req = do
+ mnt <- mountedDevices req
+ case mnt of
+ [] -> diskDevices req
+ other -> return other
+
+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 :: DevDataRef -> [DevName] -> IO [(DevName, [Float])]
+mountedData dref devs = do
+ dt <- readIORef dref
+ dt' <- diskData
+ writeIORef dref dt'
+ 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 r = 4096 * xs !! 2
+ w = 4096 * xs !! 6
+ t = r + w
+ rSp = speed r (xs !! 3)
+ wSp = speed w (xs !! 7)
+ sp = speed t (xs !! 3 + xs !! 7)
+ speed x d = if d == 0 then 0 else x / d
+ dat' = if length xs > 6
+ then [sp, rSp, wSp, t, r, w]
+ else [0, 0, 0, 0, 0, 0]
+ in (dev, dat')
+
+fetchDataIO :: DevDataRef -> [(String, String)] -> IO [(String, [Float])]
+fetchDataIO dref disks = do
+ dev <- mountedOrDiskDevices (map fst disks)
+ mountedData dref (map fst dev)
+
+fetchDataUsage :: [(String, String)] -> IO [((String, String), [Integer])]
+fetchDataUsage disks = do
+ devs <- mountedDevices (map fst disks)
+ mapM fetchStats devs
+ where
+ fetchStats :: (String, String) -> IO ((String, String), [Integer])
+ fetchStats (dev, path) = do
+ stats <- handle ign $ fsStats path
+ return ((dev, path), stats)
+ ign = const (return [0, 0, 0]) :: SomeException -> IO [Integer]
+
+initializeDevDataRef :: [(String, String)] -> IO DevDataRef
+initializeDevDataRef disks = do
+ dev <- mountedOrDiskDevices (map fst disks)
+ newIORef (map (\d -> (fst d, repeat 0)) dev)
diff --git a/src/Xmobar/Plugins/Monitors/Net/FreeBSD.hsc b/src/Xmobar/Plugins/Monitors/Net/FreeBSD.hsc
index ab446e3..4d6c144 100644
--- a/src/Xmobar/Plugins/Monitors/Net/FreeBSD.hsc
+++ b/src/Xmobar/Plugins/Monitors/Net/FreeBSD.hsc
@@ -29,7 +29,6 @@ import Control.Exception (catch, SomeException(..))
import Foreign (Int32, plusPtr)
import Foreign.C.Types (CUIntMax, CUChar)
import Foreign.C.String (peekCString)
-import Foreign.ForeignPtr ()
import Foreign.Storable (Storable, alignment, sizeOf, peek, poke)
import System.BSD.Sysctl (OID, sysctlPrepareOid, sysctlReadInt, sysctlPeek)
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-31 16:19:09 +0000