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