gameServer/NetRoutines.hs
author unc0rr
Sat, 27 Dec 2014 22:09:31 +0300
branch0.9.21
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permissions -rw-r--r--
Workaround bug (each time losing room master status, even when joining mutliple rooms, new instance of NetAmmoSchemeModel created, receiving schemeConfig and modifying its 43rd member, thus the last model which accepts this signal has the string cut down several times, workaround creates copy of qstringlist to avoid modifying shared message instance. Proper fix would delete unneeded instances of NetAmmoSchemeModel, but who cares)
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{-
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2014 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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-----------------------------
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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 f
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    where
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    f ch = forever $
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        do
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        (sock, sockAddr) <- Network.Socket.accept servSock
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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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                    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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        writeChan chan $ Accept newClient
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        return ()