gameServer/ServerCore.hs
author smaxx
Fri, 17 Sep 2010 15:27:04 +0200
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permissions -rw-r--r--
Frontend: * Disabled frontend's hog count for now to fix issue #44 - doesn't have to be limited to 48 anyway (but a limit based on active map would be nice)
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module ServerCore where
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import Network
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import Control.Concurrent
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import Control.Concurrent.Chan
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import Control.Monad
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import qualified Data.IntMap as IntMap
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import System.Log.Logger
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import Control.Monad.Reader
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import Control.Monad.State.Strict
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import Data.Set as Set
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import qualified Data.ByteString.Char8 as B
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--------------------------------------
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import CoreTypes
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import NetRoutines
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import HWProtoCore
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import Actions
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import OfficialServer.DBInteraction
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import ServerState
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timerLoop :: Int -> Chan CoreMessage -> IO ()
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timerLoop tick messagesChan = threadDelay (30 * 10^6) >> writeChan messagesChan (TimerAction tick) >> timerLoop (tick + 1) messagesChan
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reactCmd :: [B.ByteString] -> StateT ServerState IO ()
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reactCmd cmd = do
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    (Just ci) <- gets clientIndex
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    rnc <- gets roomsClients
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    actions <- liftIO $ withRoomsAndClients rnc (\irnc -> runReader (handleCmd cmd) (ci, irnc))
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    forM_ actions processAction
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mainLoop :: StateT ServerState IO ()
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mainLoop = forever $ do
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    si <- gets serverInfo
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    r <- liftIO $ readChan $ coreChan si
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    liftIO $ putStrLn $ "Core msg: " ++ show r
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    case r of
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        Accept ci -> processAction (AddClient ci)
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        ClientMessage (ci, cmd) -> do
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            liftIO $ debugM "Clients" $ (show ci) ++ ": " ++ (show cmd)
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            removed <- gets removedClients
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            when (not $ ci `Set.member` removed) $ do
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                modify (\as -> as{clientIndex = Just ci})
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                reactCmd cmd
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        Remove ci -> do
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            liftIO $ debugM "Clients"  $ "DeleteClient: " ++ show ci
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            processAction (DeleteClient ci)
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                --else
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                --do
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                --debugM "Clients" "Message from dead client"
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                --return (serverInfo, rnc)
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        ClientAccountInfo (ci, info) -> do
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            rnc <- gets roomsClients
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            exists <- liftIO $ clientExists rnc ci
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            when (exists) $ do
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                modify (\as -> as{clientIndex = Just ci})
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                processAction (ProcessAccountInfo info)
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                return ()
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        TimerAction tick ->
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                mapM_ processAction $
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                    PingAll : [StatsAction | even tick]
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startServer :: ServerInfo -> Socket -> IO ()
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startServer serverInfo serverSocket = do
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    putStrLn $ "Listening on port " ++ show (listenPort serverInfo)
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    forkIO $
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        acceptLoop
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            serverSocket
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            (coreChan serverInfo)
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    return ()
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    --forkIO $ timerLoop 0 $ coreChan serverInfo
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    startDBConnection serverInfo
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    rnc <- newRoomsAndClients newRoom
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    forkIO $ evalStateT mainLoop (ServerState Nothing serverInfo Set.empty rnc)
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    forever $ threadDelay (60 * 60 * 10^6)