gameServer/Opts.hs
author nemo
Fri, 12 Nov 2010 18:57:36 -0500
changeset 4295 1f5604cd99be
parent 4242 5e3c5fe2cb14
child 4337 85e02b1a8e8f
permissions -rw-r--r--
This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly

module Opts
(
    getOpts,
) where

import System.Environment
import System.Console.GetOpt
import Network
import Data.Maybe ( fromMaybe )
import qualified Data.ByteString.Char8 as B

import CoreTypes
import Utils

options :: [OptDescr (ServerInfo -> ServerInfo)]
options = [
    Option ['p'] ["port"] (ReqArg readListenPort "PORT") "listen on PORT",
    Option ['d'] ["dedicated"] (ReqArg readDedicated "BOOL") "start as dedicated (True or False)"
    ]

readListenPort,
    readDedicated,
    readDbLogin,
    readDbPassword,
    readDbHost :: String -> ServerInfo -> ServerInfo

readListenPort str opts = opts{listenPort = readPort}
    where
        readPort = fromInteger $ fromMaybe 46631 (maybeRead str :: Maybe Integer)

readDedicated str opts = opts{isDedicated = readDedicated}
    where
        readDedicated = fromMaybe True (maybeRead str :: Maybe Bool)

readDbLogin str opts = opts{dbLogin = B.pack str}
readDbPassword str opts = opts{dbPassword = B.pack str}
readDbHost str opts = opts{dbHost = B.pack str}

getOpts :: ServerInfo -> IO ServerInfo
getOpts opts = do
    args <- getArgs
    case getOpt Permute options args of
        (o, [], []) -> return $ foldr ($) opts o
        (_,_,errs) -> ioError (userError (concat errs ++ usageInfo header options))
    where header = "Usage: hedgewars-server [OPTION...]"