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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.
\-}
module ServerCore where
import Control.Concurrent
import Control.Monad
import System.Log.Logger
import Control.Monad.Reader
import Control.Monad.State.Strict
import Data.Set as Set hiding (null)
import Data.Unique
import Data.Maybe
--------------------------------------
import CoreTypes
import NetRoutines
import Actions
import OfficialServer.DBInteraction
import ServerState
timerLoop :: Int -> Chan CoreMessage -> IO ()
timerLoop tick messagesChan = threadDelay 30000000 >> writeChan messagesChan (TimerAction tick) >> timerLoop (tick + 1) messagesChan
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
unless (ci `Set.member` removed) $ do
modify (\s -> s{clientIndex = Just ci})
processAction $ ReactCmd cmd
pa <- client's pendingActions
when (not $ null pa) $ do
mapM_ processAction pa
processAction $ ModifyClient $ \c -> c{pendingActions = []}
Remove ci ->
processAction (DeleteClient ci)
ClientAccountInfo ci uid info -> do
rnc <- gets roomsClients
exists <- liftIO $ clientExists rnc ci
when exists $ do
modify (\s -> s{clientIndex = Just ci})
uid' <- client's clUID
when (uid == hashUnique uid') $ processAction (ProcessAccountInfo info)
return ()
TimerAction tick ->
mapM_ processAction $
PingAll
: CheckVotes
: [StatsAction | even tick]
++ [Cleanup | tick `mod` 100 == 0]
startServer :: ServerInfo -> IO ()
startServer si = do
noticeM "Core" $ "Listening on port " ++ show (listenPort si)
_ <- forkIO $
acceptLoop
(fromJust $ serverSocket si)
(coreChan si)
_ <- forkIO $ timerLoop 0 $ coreChan si
startDBConnection si
rnc <- newRoomsAndClients newRoom
jm <- newJoinMonitor
evalStateT mainLoop (ServerState Nothing si Set.empty rnc jm)
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