Use FreeAndNil across the board. Even if we are immediately assigning after, probably avoids accidental mistakes. Also free neglected owner tex on shutdown, and delete hog gears using the normal deletion procedure if for any reason they still exist (EndGame call?).
{-
* Hedgewars, a free turn based strategy game
* Copyright (c) 2004-2014 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
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
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)