diff options
Diffstat (limited to 'src/Plugins/Monitors/Batt.hs')
| -rw-r--r-- | src/Plugins/Monitors/Batt.hs | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/src/Plugins/Monitors/Batt.hs b/src/Plugins/Monitors/Batt.hs index 11b2d6c..102f635 100644 --- a/src/Plugins/Monitors/Batt.hs +++ b/src/Plugins/Monitors/Batt.hs @@ -1,7 +1,8 @@ ----------------------------------------------------------------------------- -- | -- Module : Plugins.Monitors.Batt --- Copyright : (c) Andrea Rossato, 2010 Petr Rockai, 2010 Jose A Ortega +-- Copyright : (c) 2010 Andrea Rossato, Petr Rockai +-- (c) 2010, 2011 Jose A Ortega -- License : BSD-style (see LICENSE) -- -- Maintainer : Jose A. Ortega Ruiz <jao@gnu.org> @@ -16,6 +17,7 @@ module Plugins.Monitors.Batt ( battConfig, runBatt, runBatt' ) where import qualified Data.ByteString.Lazy.Char8 as B import Plugins.Monitors.Common +import System.FilePath ((</>)) import System.Posix.Files (fileExist) import System.Console.GetOpt @@ -28,6 +30,7 @@ data BattOpts = BattOpts , highWColor :: Maybe String , lowThreshold :: Float , highThreshold :: Float + , onlineFile :: FilePath } defaultOpts :: BattOpts @@ -40,6 +43,7 @@ defaultOpts = BattOpts , highWColor = Nothing , lowThreshold = -12 , highThreshold = -10 + , onlineFile = "AC/online" } options :: [OptDescr (BattOpts -> BattOpts)] @@ -52,6 +56,7 @@ options = , Option "h" ["high"] (ReqArg (\x o -> o { highWColor = Just x }) "") "" , Option "L" ["lowt"] (ReqArg (\x o -> o { lowThreshold = read x }) "") "" , Option "H" ["hight"] (ReqArg (\x o -> o { highThreshold = read x }) "") "" + , Option "f" ["online"] (ReqArg (\x o -> o { onlineFile = x }) "") "" ] parseOpts :: [String] -> IO BattOpts @@ -98,12 +103,13 @@ batteryFiles bat = , f_current = prefix ++ "/current_now" , f_voltage = prefix ++ "/voltage_now" } -haveAc :: IO (Maybe Bool) -haveAc = do know <- fileExist $ base ++ "/AC/online" - if know - then do s <- B.unpack `fmap` catRead (base ++ "/AC/online") - return $ Just $ s == "1\n" - else return Nothing +haveAc :: FilePath -> IO Bool +haveAc f = do + know <- fileExist ofile + if know + then fmap ((== "1\n") . B.unpack) (catRead ofile) + else return False + where ofile = base </> f readBattery :: Files -> IO Battery readBattery NoFiles = return $ Battery 0 0 0 0 @@ -121,17 +127,13 @@ readBattery files = readBatteries :: BattOpts -> [Files] -> IO Result readBatteries opts bfs = do bats <- mapM readBattery (take 3 bfs) - ac' <- haveAc - let ac = (ac' == Just True) - sign = if ac then 1 else -1 + ac <- haveAc (onlineFile opts) + let sign = if ac then 1 else -1 left = sum (map now bats) / sum (map full bats) watts = sign * sum (map voltage bats) * sum (map current bats) time = if watts == 0 then 0 else sum $ map time' bats -- negate sign time' b = (if ac then full b - now b else now b) / (sign * watts) - acstr = case ac' of - Nothing -> "?" - Just True -> onString opts - Just False -> offString opts + acstr = if ac then onString opts else offString opts return $ if isNaN left then NA else Result left watts time acstr runBatt :: [String] -> Monitor String |