gameServer/NetRoutines.hs
author sheepluva
Wed, 27 Apr 2016 16:20:59 +0200
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permissions -rw-r--r--
Added "Forts" to map type selection. This makes the mode easier selectable/discoverable. Also the slider can be used to adjust the distance between forts.
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{-
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2015 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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 \-}
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{-# LANGUAGE ScopedTypeVariables, OverloadedStrings #-}
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module NetRoutines where
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import Network.Socket
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import Control.Concurrent.Chan
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import Data.Time
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import Control.Monad
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import Data.Unique
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import qualified Codec.Binary.Base64 as Base64
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import qualified Data.ByteString as BW
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import qualified Data.ByteString.Char8 as B
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import qualified Control.Exception as E
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import System.Entropy
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import Data.Either
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-----------------------------
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import CoreTypes
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import Utils
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acceptLoop :: Socket -> Chan CoreMessage -> IO ()
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acceptLoop servSock chan = E.bracket openHandle closeHandle (forever . f)
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    where
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    f ch = E.try (Network.Socket.accept servSock) >>= \v -> case v of
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      Left (e :: E.IOException) -> return ()
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      Right (sock, sockAddr) -> do
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        clientHost <- sockAddr2String sockAddr
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        currentTime <- getCurrentTime
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        sendChan' <- newChan
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        uid <- newUnique
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        salt <- liftM (B.pack . Base64.encode . BW.unpack) $ hGetEntropy ch 18
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        let newClient =
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                (ClientInfo
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                    uid
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                    sendChan'
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                    sock
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                    clientHost
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                    currentTime
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                    ""
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                    ""
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                    salt
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                    False
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                    False
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                    0
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                    0
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                    False
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                    False
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                    False
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                    False
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                    False
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                    False
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                    False
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                    False
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                    False
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                    False
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                    Nothing
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                    Nothing
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                    newEventsInfo
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                    newEventsInfo
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                    newEventsInfo
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                    0
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                    []
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                    []
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                    )
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        writeChan chan $ Accept newClient
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        return ()