diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Plugins/Monitors.hs | 39 | ||||
| -rw-r--r-- | src/Plugins/Monitors/Net.hs | 53 | ||||
| -rw-r--r-- | src/Plugins/PipeReader.hs | 10 | 
3 files changed, 80 insertions, 22 deletions
| diff --git a/src/Plugins/Monitors.hs b/src/Plugins/Monitors.hs index a531e26..009da68 100644 --- a/src/Plugins/Monitors.hs +++ b/src/Plugins/Monitors.hs @@ -48,24 +48,25 @@ import Plugins.Monitors.Volume  import Plugins.Monitors.Mpris  #endif -data Monitors = Weather      Station    Args Rate -              | Network      Interface  Args Rate -              | BatteryP     [String]   Args Rate -              | DiskU        DiskSpec   Args Rate -              | DiskIO       DiskSpec   Args Rate -              | Thermal      Zone       Args Rate -              | ThermalZone  ZoneNo     Args Rate -              | Memory       Args       Rate -              | Swap         Args       Rate -              | Cpu          Args       Rate -              | MultiCpu     Args       Rate -              | Battery      Args       Rate -              | Brightness   Args       Rate -              | CpuFreq      Args       Rate -              | CoreTemp     Args       Rate -              | TopProc      Args       Rate -              | TopMem       Args       Rate -              | Uptime       Args       Rate +data Monitors = Weather      Station     Args Rate +              | Network      Interface   Args Rate +              | DynNetwork               Args Rate +              | BatteryP     [String]    Args Rate +              | DiskU        DiskSpec    Args Rate +              | DiskIO       DiskSpec    Args Rate +              | Thermal      Zone        Args Rate +              | ThermalZone  ZoneNo      Args Rate +              | Memory       Args        Rate +              | Swap         Args        Rate +              | Cpu          Args        Rate +              | MultiCpu     Args        Rate +              | Battery      Args        Rate +              | Brightness   Args        Rate +              | CpuFreq      Args        Rate +              | CoreTemp     Args        Rate +              | TopProc      Args        Rate +              | TopMem       Args        Rate +              | Uptime       Args        Rate  #ifdef IWLIB                | Wireless Interface  Args Rate  #endif @@ -95,6 +96,7 @@ type DiskSpec  = [(String, String)]  instance Exec Monitors where      alias (Weather s _ _) = s      alias (Network i _ _) = i +    alias (DynNetwork _ _) = "dynnetwork"      alias (Thermal z _ _) = z      alias (ThermalZone z _ _) = "thermal" ++ show z      alias (Memory _ _) = "memory" @@ -126,6 +128,7 @@ instance Exec Monitors where      alias (Mpris2 _ _ _) = "mpris2"  #endif      start (Network  i a r) = startNet i a r +    start (DynNetwork a r) = startDynNet a r      start (Cpu a r) = startCpu a r      start (MultiCpu a r) = startMultiCpu a r      start (TopProc a r) = startTop a r diff --git a/src/Plugins/Monitors/Net.hs b/src/Plugins/Monitors/Net.hs index 768907c..b8adc74 100644 --- a/src/Plugins/Monitors/Net.hs +++ b/src/Plugins/Monitors/Net.hs @@ -13,12 +13,18 @@  --  ----------------------------------------------------------------------------- -module Plugins.Monitors.Net (startNet) where +module Plugins.Monitors.Net ( +                        startNet +                      , startDynNet +                      ) where  import Plugins.Monitors.Common  import Data.IORef (IORef, newIORef, readIORef, writeIORef)  import Data.Time.Clock (UTCTime, getCurrentTime, diffUTCTime) +import Control.Monad (forM, filterM) +import System.Directory (getDirectoryContents, doesFileExist) +import System.FilePath ((</>))  import qualified Data.ByteString.Lazy.Char8 as B @@ -28,14 +34,39 @@ data NetDev = NA  type NetDevRef = IORef (NetDev, UTCTime) +-- The more information available, the better. +-- Note that names don't matter. Therefore, if only the names differ, +-- a compare evaluates to EQ while (==) evaluates to False. +instance Ord NetDev where +    compare NA NA              = EQ +    compare NA _               = LT +    compare _  NA              = GT +    compare (NI _) (NI _)      = EQ +    compare (NI _) (ND _ _ _)  = LT +    compare (ND _ _ _) (NI _)  = GT +    compare (ND _ x1 y1) (ND _ x2 y2) = +        if downcmp /= EQ +           then downcmp +           else y1 `compare` y2 +      where downcmp = x1 `compare` x2 +  netConfig :: IO MConfig  netConfig = mkMConfig      "<dev>: <rx>KB|<tx>KB"      -- template      ["dev", "rx", "tx", "rxbar", "txbar"]     -- available replacements +operstateDir :: String -> FilePath +operstateDir d = "/sys/class/net" </> d </> "operstate" + +existingDevs :: IO [String] +existingDevs = getDirectoryContents "/sys/class/net" >>= filterM isDev +  where isDev d | d `elem` excludes = return False +                | otherwise = doesFileExist (operstateDir d) +        excludes = [".", "..", "lo"] +  isUp :: String -> IO Bool  isUp d = do -  operstate <- B.readFile $ "/sys/class/net/" ++ d ++ "/operstate" +  operstate <- B.readFile (operstateDir d)    return $ "up" == (B.unpack . head . B.lines) operstate  readNetDev :: [String] -> IO NetDev @@ -103,9 +134,27 @@ parseNet nref nd = do  runNet :: NetDevRef -> String -> [String] -> Monitor String  runNet nref i _ = io (parseNet nref i) >>= printNet +parseNets :: [(NetDevRef, String)] -> IO [NetDev] +parseNets = mapM $ \(ref, i) -> parseNet ref i + +runNets :: [(NetDevRef, String)] -> [String] -> Monitor String +runNets refs _ = io (parseActive refs) >>= printNet +    where parseActive refs' = parseNets refs' >>= return . selectActive +          selectActive = maximum +  startNet :: String -> [String] -> Int -> (String -> IO ()) -> IO ()  startNet i a r cb = do    t0 <- getCurrentTime    nref <- newIORef (NA, t0)    _ <- parseNet nref i    runM a netConfig (runNet nref i) r cb + +startDynNet :: [String] -> Int -> (String -> IO ()) -> IO () +startDynNet a r cb = do +  devs <- existingDevs +  refs <- forM devs $ \d -> do +            t <- getCurrentTime +            nref <- newIORef (NA, t) +            _ <- parseNet nref d +            return (nref, d) +  runM a netConfig (runNets refs) r cb diff --git a/src/Plugins/PipeReader.hs b/src/Plugins/PipeReader.hs index 3fd0dd4..42ae500 100644 --- a/src/Plugins/PipeReader.hs +++ b/src/Plugins/PipeReader.hs @@ -23,6 +23,12 @@ data PipeReader = PipeReader String String  instance Exec PipeReader where      alias (PipeReader _ a)    = a      start (PipeReader p _) cb = do -        h <- openFile p ReadWriteMode +        let (def, pipe) = split ':' p +        h <- openFile pipe ReadWriteMode +        cb def          forever (hGetLineSafe h >>= cb) -        where forever a = a >> forever a +      where +        forever a = a >> forever a +        split c xs | c `elem` xs = let (pre, post) = span ((/=) c) xs +                                   in (pre, dropWhile ((==) c) post) +                   | otherwise   = ([], xs) | 
