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module Commands where
import System.Process
import System.Exit
import System.IO (hClose, hGetLine)
import Monitors.Common ( runM )
import Monitors.Weather
import Monitors.Net
import Monitors.Mem
import Monitors.Swap
import Monitors.Cpu
import Monitors.Batt
data Command = Exec Program Args Alias
| Weather Station Args
| Network Interface Args
| Memory Args
| Swap Args
| Cpu Args
| Battery Args
deriving (Read,Eq)
type Args = [String]
type Program = String
type Alias = String
type Station = String
type Interface = String
instance Show Command where
show (Weather s _) = s
show (Network i _) = i
show (Memory _) = "memory"
show (Swap _) = "swap"
show (Cpu _) = "cpu"
show (Battery _) = "battery"
show (Exec p _ a) | p /= "" = if a == "" then p else a
| otherwise = ""
class Exec e where
run :: e -> IO String
instance Exec Command where
run (Weather s a) = do let af = return "No station ID specified"
runM (a ++ [s]) weatherConfig af runWeather
run (Network i a) = do let f = return "No device specified"
runM (a ++ [i]) netConfig f runNet
run (Memory args) = do let af = runMem []
runM args memConfig af runMem
run (Swap args) = do let af = runSwap []
runM args swapConfig af runSwap
run (Cpu args) = do let af = runCpu []
runM args cpuConfig af runCpu
run (Battery args) = do let af = runBatt []
runM args battConfig af runBatt
run (Exec prog args _) = do (i,o,e,p) <- runInteractiveCommand (prog ++ concat (map (' ':) args))
exit <- waitForProcess p
let closeHandles = do hClose o
hClose i
hClose e
case exit of
ExitSuccess -> do str <- hGetLine o
closeHandles
return str
_ -> do closeHandles
return $ "Could not execute command " ++ prog
|
