author | koda |
Thu, 17 Jun 2010 19:57:51 +0200 | |
changeset 3513 | f589230fa21b |
parent 3501 | a3159a410e5c |
child 3555 | 4c5ca656d1bb |
permissions | -rw-r--r-- |
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{-# LANGUAGE OverloadedStrings #-} |
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module Utils where |
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import Control.Concurrent |
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import Control.Concurrent.STM |
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import Data.Char |
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import Data.Word |
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import qualified Data.Map as Map |
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import qualified Data.IntMap as IntMap |
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import qualified Data.Set as Set |
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import Data.ByteString.Internal (w2c) |
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import Numeric |
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import Network.Socket |
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import System.IO |
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import qualified Data.List as List |
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import Control.Monad |
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import Maybe |
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------------------------------------------------- |
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import qualified Codec.Binary.Base64 as Base64 |
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import qualified Data.ByteString.Char8 as B |
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import qualified Data.ByteString as BW |
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import CoreTypes |
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sockAddr2String :: SockAddr -> IO B.ByteString |
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sockAddr2String (SockAddrInet _ hostAddr) = liftM B.pack $ inet_ntoa hostAddr |
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sockAddr2String (SockAddrInet6 _ _ (a, b, c, d) _) = |
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return $ B.pack $ (foldr1 (.) |
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$ List.intersperse (\a -> ':':a) |
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$ concatMap (\n -> (\(a, b) -> [showHex a, showHex b]) $ divMod n 65536) [a, b, c, d]) [] |
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toEngineMsg :: B.ByteString -> B.ByteString |
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toEngineMsg msg = B.pack $ Base64.encode (fromIntegral (BW.length msg) : (BW.unpack msg)) |
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fromEngineMsg :: B.ByteString -> Maybe B.ByteString |
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fromEngineMsg msg = Base64.decode (B.unpack msg) >>= removeLength >>= return . BW.pack |
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where |
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removeLength (x:xs) = if length xs == fromIntegral x then Just xs else Nothing |
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removeLength _ = Nothing |
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checkNetCmd :: B.ByteString -> (Bool, Bool) |
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checkNetCmd = check . liftM B.unpack . fromEngineMsg |
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where |
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check Nothing = (False, False) |
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check (Just (m:ms)) = (m `Set.member` legalMessages, m == '+') |
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check _ = (False, False) |
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legalMessages = Set.fromList $ "M#+LlRrUuDdZzAaSjJ,sFNpPwtghb12345" ++ slotMessages |
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slotMessages = "\128\129\130\131\132\133\134\135\136\137\138" |
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maybeRead :: Read a => String -> Maybe a |
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maybeRead s = case reads s of |
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[(x, rest)] | all isSpace rest -> Just x |
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_ -> Nothing |
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teamToNet :: Word16 -> TeamInfo -> [B.ByteString] |
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teamToNet protocol team |
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| protocol < 30 = |
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"ADD_TEAM" |
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: teamname team |
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: teamgrave team |
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: teamfort team |
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: teamvoicepack team |
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: teamowner team |
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: (B.pack $ show $ difficulty team) |
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: hhsInfo |
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| otherwise = |
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"ADD_TEAM" |
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: teamname team |
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: teamgrave team |
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: teamfort team |
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: teamvoicepack team |
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: teamflag team |
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: teamowner team |
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: (B.pack $ show $ difficulty team) |
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: hhsInfo |
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where |
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hhsInfo = concatMap (\(HedgehogInfo name hat) -> [name, hat]) $ hedgehogs team |
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modifyTeam :: TeamInfo -> RoomInfo -> RoomInfo |
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modifyTeam team room = room{teams = replaceTeam team $ teams room} |
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where |
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replaceTeam _ [] = error "modifyTeam: no such team" |
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replaceTeam team (t:teams) = |
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if teamname team == teamname t then |
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team : teams |
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else |
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t : replaceTeam team teams |
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illegalName :: B.ByteString -> Bool |
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illegalName = all isSpace . B.unpack |
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protoNumber2ver :: Word16 -> B.ByteString |
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protoNumber2ver 17 = "0.9.7-dev" |
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protoNumber2ver 19 = "0.9.7" |
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protoNumber2ver 20 = "0.9.8-dev" |
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protoNumber2ver 21 = "0.9.8" |
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protoNumber2ver 22 = "0.9.9-dev" |
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protoNumber2ver 23 = "0.9.9" |
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protoNumber2ver 24 = "0.9.10-dev" |
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protoNumber2ver 25 = "0.9.10" |
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protoNumber2ver 26 = "0.9.11-dev" |
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protoNumber2ver 27 = "0.9.11" |
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protoNumber2ver 28 = "0.9.12-dev" |
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protoNumber2ver 29 = "0.9.12" |
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protoNumber2ver 30 = "0.9.13-dev" |
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protoNumber2ver 31 = "0.9.13" |
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protoNumber2ver 32 = "0.9.14-dev" |
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protoNumber2ver _ = "Unknown" |
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askFromConsole :: String -> IO String |
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askFromConsole msg = do |
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putStr msg |
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hFlush stdout |
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getLine |
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unfoldrE :: (b -> Either b (a, b)) -> b -> ([a], b) |
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unfoldrE f b = |
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case f b of |
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Right (a, new_b) -> let (a', b') = unfoldrE f new_b in (a : a', b') |
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Left new_b -> ([], new_b) |
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showB :: Show a => a -> B.ByteString |
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showB = B.pack .show |