gameServer/ServerCore.hs
author Tobias Neumann <mail@tobias-neumann.eu>
Sun, 31 Oct 2010 00:06:46 +0200
changeset 4027 6e2bff0c173c
parent 3947 709fdb89f76c
child 4242 5e3c5fe2cb14
permissions -rw-r--r--
merge

module ServerCore where

import Network
import Control.Concurrent
import Control.Concurrent.Chan
import Control.Monad
import qualified Data.IntMap as IntMap
import System.Log.Logger
import Control.Monad.Reader
import Control.Monad.State.Strict
import Data.Set as Set
import qualified Data.ByteString.Char8 as B
--------------------------------------
import CoreTypes
import NetRoutines
import HWProtoCore
import Actions
import OfficialServer.DBInteraction
import ServerState


timerLoop :: Int -> Chan CoreMessage -> IO ()
timerLoop tick messagesChan = threadDelay (30 * 10^6) >> writeChan messagesChan (TimerAction tick) >> timerLoop (tick + 1) messagesChan


reactCmd :: [B.ByteString] -> StateT ServerState IO ()
reactCmd cmd = do
    (Just ci) <- gets clientIndex
    rnc <- gets roomsClients
    actions <- liftIO $ withRoomsAndClients rnc (\irnc -> runReader (handleCmd cmd) (ci, irnc))
    forM_ actions processAction

mainLoop :: StateT ServerState IO ()
mainLoop = forever $ do
    get >>= \s -> put $! s

    si <- gets serverInfo
    r <- liftIO $ readChan $ coreChan si

    case r of
        Accept ci -> processAction (AddClient ci)

        ClientMessage (ci, cmd) -> do
            liftIO $ debugM "Clients" $ (show ci) ++ ": " ++ (show cmd)

            removed <- gets removedClients
            when (not $ ci `Set.member` removed) $ do
                as <- get
                put $! as{clientIndex = Just ci}
                reactCmd cmd

        Remove ci -> do
            liftIO $ debugM "Clients"  $ "DeleteClient: " ++ show ci
            processAction (DeleteClient ci)

                --else
                --do
                --debugM "Clients" "Message from dead client"
                --return (serverInfo, rnc)

        ClientAccountInfo (ci, info) -> do
            rnc <- gets roomsClients
            exists <- liftIO $ clientExists rnc ci
            when (exists) $ do
                as <- get
                put $! as{clientIndex = Just ci}
                processAction (ProcessAccountInfo info)
                return ()

        TimerAction tick ->
                mapM_ processAction $
                    PingAll : [StatsAction | even tick]


startServer :: ServerInfo -> Socket -> IO ()
startServer serverInfo serverSocket = do
    putStrLn $ "Listening on port " ++ show (listenPort serverInfo)

    forkIO $
        acceptLoop
            serverSocket
            (coreChan serverInfo)

    return ()

    --forkIO $ timerLoop 0 $ coreChan serverInfo

    startDBConnection serverInfo

    rnc <- newRoomsAndClients newRoom

    forkIO $ evalStateT mainLoop (ServerState Nothing serverInfo Set.empty rnc)

    forever $ threadDelay (60 * 60 * 10^6)