netserver/Opts.hs
changeset 1383 d20e6e8928e3
parent 1342 ae6c4f10ace2
child 1386 674429128152
--- a/netserver/Opts.hs	Mon Oct 20 12:58:16 2008 +0000
+++ b/netserver/Opts.hs	Mon Oct 20 15:59:05 2008 +0000
@@ -5,26 +5,40 @@
 import Network
 import Data.Maybe ( fromMaybe )
 import Miscutils
-
-data Flag = ListenPort PortNumber
-	deriving Show
+import System.IO.Unsafe
 
-options :: [OptDescr Flag]
+data GlobalOptions =
+	GlobalOptions
+	{
+		isDedicated :: Bool,
+		serverMessage :: String,
+		listenPort :: PortNumber
+	}
+defaultMessage = "<h2><p align=center><a href=\"http://www.hedgewars.org/\">http://www.hedgewars.org/</a></p></h2>"
+defaultOptions = (GlobalOptions False defaultMessage 46631)
+
+options :: [OptDescr (GlobalOptions -> GlobalOptions)]
 options = [
-	Option ['p'] ["port"] (OptArg readPort "PORT") "listen on PORT"
+	Option ['p'] ["port"] (ReqArg readListenPort "PORT") "listen on PORT",
+	Option ['d'] ["dedicated"] (ReqArg readDedicated "BOOL") "start as dedicated (True or False)"
 	]
 
-readPort :: Maybe String -> Flag
-readPort str = ListenPort $ fromInteger (fromMaybe 46631 (maybeRead (fromMaybe "46631" str) :: Maybe Integer))
+readListenPort, readDedicated :: String -> GlobalOptions -> GlobalOptions
+readListenPort str opts = opts{listenPort = readPort}
+	where
+		readPort = fromInteger $ fromMaybe 46631 (maybeRead str :: Maybe Integer)
 
-opts :: IO [Flag]
+readDedicated str opts = opts{isDedicated = readDedicated}
+	where
+		readDedicated = fromMaybe True (maybeRead str :: Maybe Bool)
+
+opts :: IO GlobalOptions
 opts = do
 	args <- getArgs
 	case getOpt Permute options args of
-		(o, [], []) -> return o
+		(o, [], []) -> return $ foldr ($) defaultOptions o
 		(_,_,errs) -> ioError (userError (concat errs ++ usageInfo header options))
 	where header = "Usage: newhwserv [OPTION...]"
 
-getPort :: [Flag] -> PortNumber
-getPort [] = 46631
-getPort (ListenPort a:flags) = a
+{-# NOINLINE globalOptions #-}
+globalOptions = unsafePerformIO opts