gameServer/NetRoutines.hs
author unc0rr
Sun, 30 Aug 2009 16:30:18 +0000
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permissions -rw-r--r--
Prevent "free knocking" bug
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{-# LANGUAGE CPP, PatternSignatures #-}
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module NetRoutines where
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import Network
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import Network.Socket
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import System.IO
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import Control.Concurrent
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import Control.Concurrent.Chan
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import Control.Concurrent.STM
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#if defined(NEW_EXCEPTIONS)
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import qualified Control.OldException as Exception
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#else
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import qualified Control.Exception as Exception
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#endif
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import Data.Time
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-----------------------------
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import CoreTypes
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import ClientIO
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import Utils
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acceptLoop :: Socket -> Chan CoreMessage -> Int -> IO ()
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acceptLoop servSock coreChan clientCounter = do
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	Exception.handle
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		(\(_ :: Exception.Exception) -> putStrLn "exception on connect") $
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		do
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		(socket, sockAddr) <- Network.Socket.accept servSock
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		cHandle <- socketToHandle socket ReadWriteMode
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		hSetBuffering cHandle LineBuffering
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		clientHost <- sockAddr2String sockAddr
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		currentTime <- getCurrentTime
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		sendChan <- newChan
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		let newClient =
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				(ClientInfo
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					nextID
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					sendChan
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					cHandle
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					clientHost
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					currentTime
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					""
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					""
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					False
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					0
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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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					undefined
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					)
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		writeChan coreChan $ Accept newClient
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		forkIO $ clientRecvLoop cHandle coreChan nextID
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		forkIO $ clientSendLoop cHandle coreChan sendChan nextID
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		return ()
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	acceptLoop servSock coreChan nextID
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	where
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		nextID = clientCounter + 1