1 module Opts |
1 module Opts |
2 ( |
2 ( |
3 GlobalOptions(..), |
3 getOpts, |
4 globalOptions |
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5 ) where |
4 ) where |
6 |
5 |
7 import System |
6 import System |
8 import System.Console.GetOpt |
7 import System.Console.GetOpt |
9 import Network |
8 import Network |
10 import Data.Maybe ( fromMaybe ) |
9 import Data.Maybe ( fromMaybe ) |
11 import Miscutils |
10 import Miscutils |
12 import System.IO.Unsafe |
11 import System.IO.Unsafe |
13 |
12 |
14 data GlobalOptions = |
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15 GlobalOptions |
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16 { |
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17 isDedicated :: Bool, |
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18 serverMessage :: String, |
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19 listenPort :: PortNumber |
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20 } |
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21 defaultMessage = "<h2><p align=center><a href=\"http://www.hedgewars.org/\">http://www.hedgewars.org/</a></p></h2>" |
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22 defaultOptions = (GlobalOptions True defaultMessage 46631) |
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23 |
13 |
24 options :: [OptDescr (GlobalOptions -> GlobalOptions)] |
14 options :: [OptDescr (ServerInfo -> ServerInfo)] |
25 options = [ |
15 options = [ |
26 Option ['p'] ["port"] (ReqArg readListenPort "PORT") "listen on PORT", |
16 Option ['p'] ["port"] (ReqArg readListenPort "PORT") "listen on PORT", |
27 Option ['d'] ["dedicated"] (ReqArg readDedicated "BOOL") "start as dedicated (True or False)" |
17 Option ['d'] ["dedicated"] (ReqArg readDedicated "BOOL") "start as dedicated (True or False)" |
28 ] |
18 ] |
29 |
19 |
30 readListenPort, readDedicated :: String -> GlobalOptions -> GlobalOptions |
20 readListenPort, readDedicated :: String -> ServerInfo -> ServerInfo |
31 readListenPort str opts = opts{listenPort = readPort} |
21 readListenPort str opts = opts{listenPort = readPort} |
32 where |
22 where |
33 readPort = fromInteger $ fromMaybe 46631 (maybeRead str :: Maybe Integer) |
23 readPort = fromInteger $ fromMaybe 46631 (maybeRead str :: Maybe Integer) |
34 |
24 |
35 readDedicated str opts = opts{isDedicated = readDedicated} |
25 readDedicated str opts = opts{isDedicated = readDedicated} |
36 where |
26 where |
37 readDedicated = fromMaybe True (maybeRead str :: Maybe Bool) |
27 readDedicated = fromMaybe True (maybeRead str :: Maybe Bool) |
38 |
28 |
39 opts :: IO GlobalOptions |
29 getOpts :: ServerInfo -> IO ServerInfo |
40 opts = do |
30 getOpts opts = do |
41 args <- getArgs |
31 args <- getArgs |
42 case getOpt Permute options args of |
32 case getOpt Permute options args of |
43 (o, [], []) -> return $ foldr ($) defaultOptions o |
33 (o, [], []) -> return $ foldr ($) opts o |
44 (_,_,errs) -> ioError (userError (concat errs ++ usageInfo header options)) |
34 (_,_,errs) -> ioError (userError (concat errs ++ usageInfo header options)) |
45 where header = "Usage: newhwserv [OPTION...]" |
35 where header = "Usage: newhwserv [OPTION...]" |
46 |
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47 {-# NOINLINE globalOptions #-} |
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48 globalOptions = unsafePerformIO opts |
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