gameServer/Actions.hs
author unc0rr
Sun, 09 May 2010 17:53:08 +0000
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Uses StateT monad instead of manually maintaining the state
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module Actions where
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import Control.Concurrent
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import Control.Concurrent.Chan
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import qualified Data.IntSet as IntSet
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import qualified Data.Sequence as Seq
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import System.Log.Logger
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import Monad
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import Data.Time
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import Maybe
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import Control.Monad.Reader
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import Control.Monad.State
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-----------------------------
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import CoreTypes
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import Utils
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import ClientIO
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import RoomsAndClients
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data Action =
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    AnswerClients [ClientChan] [String]
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    | SendServerMessage
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    | SendServerVars
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    | RoomAddThisClient Int -- roomID
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    | RoomRemoveThisClient String
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    | RemoveTeam String
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    | RemoveRoom
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    | UnreadyRoomClients
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    | MoveToLobby
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    | ProtocolError String
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    | Warning String
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    | ByeClient String
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    | KickClient Int -- clID
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    | KickRoomClient Int -- clID
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    | BanClient String -- nick
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    | RemoveClientTeams Int -- clID
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    | ModifyClient (ClientInfo -> ClientInfo)
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    | ModifyClient2 Int (ClientInfo -> ClientInfo)
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    | ModifyRoom (RoomInfo -> RoomInfo)
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    | ModifyServerInfo (ServerInfo -> ServerInfo)
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    | AddRoom String String
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    | CheckRegistered
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    | ClearAccountsCache
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    | ProcessAccountInfo AccountInfo
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    | Dump
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    | AddClient ClientInfo
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    | PingAll
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    | StatsAction
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type CmdHandler = [String] -> Reader (ClientIndex, IRnC) [Action]
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data ActionsState = ActionsState {
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        clientIndex :: Maybe ClientIndex,
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        serverInfo :: ServerInfo,
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        roomsClients :: MRnC
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    }
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clientRoomA :: StateT ActionsState IO RoomIndex
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clientRoomA = do
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    (Just ci) <- gets clientIndex
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    rnc <- gets roomsClients
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    liftIO $ clientRoomM rnc ci
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replaceID a (b, c, d, e) = (a, c, d, e)
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processAction :: Action -> StateT ActionsState IO ()
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processAction (AnswerClients chans msg) = 
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    liftIO $ mapM_ (flip writeChan msg) chans
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{-
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processAction (clID, serverInfo, rnc) SendServerMessage = do
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    writeChan (sendChan $ clients ! clID) ["SERVER_MESSAGE", message serverInfo]
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    return (clID, serverInfo, rnc)
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    where
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        client = clients ! clID
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        message si = if clientProto client < latestReleaseVersion si then
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            serverMessageForOldVersions si
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            else
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            serverMessage si
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processAction (clID, serverInfo, rnc) SendServerVars = do
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    writeChan (sendChan $ clients ! clID) ("SERVER_VARS" : vars)
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    return (clID, serverInfo, rnc)
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    where
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        client = clients ! clID
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        vars = [
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            "MOTD_NEW", serverMessage serverInfo,
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            "MOTD_OLD", serverMessageForOldVersions serverInfo,
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            "LATEST_PROTO", show $ latestReleaseVersion serverInfo
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            ]
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processAction (clID, serverInfo, rnc) (ProtocolError msg) = do
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    writeChan (sendChan $ clients ! clID) ["ERROR", msg]
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    return (clID, serverInfo, rnc)
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processAction (clID, serverInfo, rnc) (Warning msg) = do
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    writeChan (sendChan $ clients ! clID) ["WARNING", msg]
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    return (clID, serverInfo, rnc)
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-}
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processAction (ByeClient msg) = do
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    (Just ci) <- gets clientIndex
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    rnc <- gets roomsClients
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    ri <- clientRoomA
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    when (ri /= lobbyId) $ do
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        processAction $ RoomRemoveThisClient ("quit: " ++ msg)
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        return ()
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    liftIO $ do
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        infoM "Clients" (show ci ++ " quits: " ++ msg)
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        ri <- clientRoomM rnc ci
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        --mapM_ (processAction (ci, serverInfo, rnc)) $ answerOthersQuit ++ answerInformRoom
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        --writeChan (sendChan $ clients ! clID) ["BYE", msg]
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        modifyRoom rnc (\r -> r{
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                        --playersIDs = IntSet.delete ci (playersIDs r)
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                        playersIn = (playersIn r) - 1
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                        --readyPlayers = if isReady client then readyPlayers r - 1 else readyPlayers r
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                        }) ri
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        removeClient rnc ci
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{-
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    where
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        client = clients ! clID
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        clientNick = nick client
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        answerInformRoom =
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            if roomID client /= 0 then
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                if not $ Prelude.null msg then
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                    [AnswerThisRoom ["LEFT", clientNick, msg]]
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                else
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                    [AnswerThisRoom ["LEFT", clientNick]]
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            else
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                []
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        answerOthersQuit =
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            if logonPassed client then
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                if not $ Prelude.null msg then
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                    [AnswerAll ["LOBBY:LEFT", clientNick, msg]]
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                else
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                    [AnswerAll ["LOBBY:LEFT", clientNick]]
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            else
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            [] 
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-}
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{-
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processAction (clID, serverInfo, rnc) (ModifyClient func) =
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    return (clID, serverInfo, adjust func clID rnc)
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processAction (clID, serverInfo, rnc) (ModifyClient2 cl2ID func) =
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    return (clID, serverInfo, adjust func cl2ID rnc)
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processAction (clID, serverInfo, rnc) (ModifyRoom func) =
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    return (clID, serverInfo, clients, adjust func rID rooms)
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    where
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        rID = roomID $ clients ! clID
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   165
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processAction (clID, serverInfo, rnc) (ModifyServerInfo func) =
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    return (clID, func serverInfo, rnc)
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ec923e56c444 Allow admin to set server's motd
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   169
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processAction (clID, serverInfo, rnc) (RoomAddThisClient rID) =
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    processAction (
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        clID,
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        serverInfo,
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        adjust (\cl -> cl{roomID = rID, teamsInGame = if rID == 0 then teamsInGame cl else 0}) clID clients,
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        adjust (\r -> r{playersIDs = IntSet.insert clID (playersIDs r), playersIn = (playersIn r) + 1}) rID $
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            adjust (\r -> r{playersIDs = IntSet.delete clID (playersIDs r)}) 0 rooms
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        ) joinMsg
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    where
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        client = clients ! clID
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        joinMsg = if rID == 0 then
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                AnswerAllOthers ["LOBBY:JOINED", nick client]
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            else
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                AnswerThisRoom ["JOINED", nick client]
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processAction (clID, serverInfo, rnc) (RoomRemoveThisClient msg) = do
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    (_, _, newClients, newRooms) <-
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        if roomID client /= 0 then
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            if isMaster client then
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                if (gameinprogress room) && (playersIn room > 1) then
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                    (changeMaster >>= (\state -> foldM processAction state
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                        [AnswerOthersInRoom ["LEFT", nick client, msg],
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                        AnswerOthersInRoom ["WARNING", "Admin left the room"],
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                        RemoveClientTeams clID]))
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   195
                else -- not in game
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                    processAction (clID, serverInfo, rnc) RemoveRoom
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   197
            else -- not master
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   198
                foldM
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                    processAction
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   200
                        (clID, serverInfo, rnc)
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   201
                        [AnswerOthersInRoom ["LEFT", nick client, msg],
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                        RemoveClientTeams clID]
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   203
        else -- in lobby
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            return (clID, serverInfo, rnc)
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   205
2867
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   206
    return (
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   207
        clID,
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   208
        serverInfo,
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   209
        adjust resetClientFlags clID newClients,
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   210
        adjust removeClientFromRoom rID $ adjust insertClientToRoom 0 newRooms
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   211
        )
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   212
    where
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   213
        rID = roomID client
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        client = clients ! clID
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   215
        room = rooms ! rID
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   216
        resetClientFlags cl = cl{roomID = 0, isMaster = False, isReady = False, teamsInGame = undefined}
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   217
        removeClientFromRoom r = r{
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                playersIDs = otherPlayersSet,
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                playersIn = (playersIn r) - 1,
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                readyPlayers = if isReady client then (readyPlayers r) - 1 else readyPlayers r
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   221
                }
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   222
        insertClientToRoom r = r{playersIDs = IntSet.insert clID (playersIDs r)}
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   223
        changeMaster = do
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   224
            processAction (newMasterId, serverInfo, rnc) $ AnswerThisClient ["ROOM_CONTROL_ACCESS", "1"]
2867
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   225
            return (
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   226
                clID,
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diff changeset
   227
                serverInfo,
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   228
                adjust (\cl -> cl{isMaster = True}) newMasterId clients,
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diff changeset
   229
                adjust (\r -> r{masterID = newMasterId, name = newRoomName}) rID rooms
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   230
                )
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   231
        newRoomName = nick newMasterClient
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   232
        otherPlayersSet = IntSet.delete clID (playersIDs room)
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   233
        newMasterId = IntSet.findMin otherPlayersSet
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   234
        newMasterClient = clients ! newMasterId
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   235
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   236
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   237
processAction (clID, serverInfo, rnc) (AddRoom roomName roomPassword) = do
2867
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   238
    let newServerInfo = serverInfo {nextRoomID = newID}
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   239
    let room = newRoom{
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   240
            roomUID = newID,
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   241
            masterID = clID,
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   242
            name = roomName,
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   243
            password = roomPassword,
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   244
            roomProto = (clientProto client)
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   245
            }
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   246
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   247
    processAction (clID, serverInfo, rnc) $ AnswerLobby ["ROOM", "ADD", roomName]
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diff changeset
   248
2867
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   249
    processAction (
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   250
        clID,
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   251
        newServerInfo,
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   252
        adjust (\cl -> cl{isMaster = True}) clID clients,
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   253
        insert newID room rooms
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
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   254
        ) $ RoomAddThisClient newID
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   255
    where
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   256
        newID = (nextRoomID serverInfo) - 1
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   257
        client = clients ! clID
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   258
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   259
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   260
processAction (clID, serverInfo, rnc) (RemoveRoom) = do
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   261
    processAction (clID, serverInfo, rnc) $ AnswerLobby ["ROOM", "DEL", name room]
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   262
    processAction (clID, serverInfo, rnc) $ AnswerOthersInRoom ["ROOMABANDONED", name room]
2867
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   263
    return (clID,
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   264
        serverInfo,
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   265
        Data.IntMap.map (\cl -> if roomID cl == rID then cl{roomID = 0, isMaster = False, isReady = False, teamsInGame = undefined} else cl) clients,
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   266
        delete rID $ adjust (\r -> r{playersIDs = IntSet.union (playersIDs room) (playersIDs r)}) 0 rooms
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   267
        )
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diff changeset
   268
    where
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   269
        room = rooms ! rID
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   270
        rID = roomID client
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   271
        client = clients ! clID
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   272
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   273
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   274
processAction (clID, serverInfo, rnc) (UnreadyRoomClients) = do
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   275
    processAction (clID, serverInfo, rnc) $ AnswerThisRoom ("NOT_READY" : roomPlayers)
2867
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   276
    return (clID,
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   277
        serverInfo,
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   278
        Data.IntMap.map (\cl -> if roomID cl == rID then cl{isReady = False} else cl) clients,
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   279
        adjust (\r -> r{readyPlayers = 0}) rID rooms)
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   280
    where
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   281
        room = rooms ! rID
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   282
        rID = roomID client
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   283
        client = clients ! clID
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   284
        roomPlayers = Prelude.map (nick . (clients !)) roomPlayersIDs
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   285
        roomPlayersIDs = IntSet.elems $ playersIDs room
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   286
1b9e33623b7e Implement 'roundfinished' cmd on net server
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   287
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   288
processAction (clID, serverInfo, rnc) (RemoveTeam teamName) = do
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
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   289
    newRooms <- if not $ gameinprogress room then
2867
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   290
            do
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   291
            processAction (clID, serverInfo, rnc) $ AnswerOthersInRoom ["REMOVE_TEAM", teamName]
2867
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   292
            return $
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   293
                adjust (\r -> r{teams = Prelude.filter (\t -> teamName /= teamname t) $ teams r}) rID rooms
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   294
        else
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   295
            do
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   296
            processAction (clID, serverInfo, rnc) $ AnswerOthersInRoom ["EM", rmTeamMsg]
2867
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   297
            return $
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diff changeset
   298
                adjust (\r -> r{
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   299
                teams = Prelude.filter (\t -> teamName /= teamname t) $ teams r,
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   300
                leftTeams = teamName : leftTeams r,
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diff changeset
   301
                roundMsgs = roundMsgs r Seq.|> rmTeamMsg
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   302
                }) rID rooms
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   303
    return (clID, serverInfo, clients, newRooms)
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diff changeset
   304
    where
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diff changeset
   305
        room = rooms ! rID
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diff changeset
   306
        rID = roomID client
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diff changeset
   307
        client = clients ! clID
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diff changeset
   308
        rmTeamMsg = toEngineMsg $ 'F' : teamName
1813
cfe1481e0247 Removeteam action
unc0rr
parents: 1811
diff changeset
   309
cfe1481e0247 Removeteam action
unc0rr
parents: 1811
diff changeset
   310
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   311
processAction (clID, serverInfo, rnc) (CheckRegistered) = do
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   312
    writeChan (dbQueries serverInfo) $ CheckAccount (clientUID client) (nick client) (host client)
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   313
    return (clID, serverInfo, rnc)
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   314
    where
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   315
        client = clients ! clID
1834
71cb978dc85f Add working check for www account existance
unc0rr
parents: 1827
diff changeset
   316
1841
fba7210b438b Retrieve client password from web database and ask for it
unc0rr
parents: 1839
diff changeset
   317
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   318
processAction (clID, serverInfo, rnc) (ClearAccountsCache) = do
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   319
    writeChan (dbQueries serverInfo) ClearCache
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   320
    return (clID, serverInfo, rnc)
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   321
    where
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   322
        client = clients ! clID
2155
d897222d3339 Implement ability for server admin to clear accounts cache
unc0rr
parents: 2126
diff changeset
   323
d897222d3339 Implement ability for server admin to clear accounts cache
unc0rr
parents: 2126
diff changeset
   324
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   325
processAction (clID, serverInfo, rnc) (Dump) = do
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   326
    writeChan (sendChan $ clients ! clID) ["DUMP", show serverInfo, showTree clients, showTree rooms]
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   327
    return (clID, serverInfo, rnc)
1804
4e78ad846fb6 New game server:
unc0rr
parents:
diff changeset
   328
1841
fba7210b438b Retrieve client password from web database and ask for it
unc0rr
parents: 1839
diff changeset
   329
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   330
processAction (clID, serverInfo, rnc) (ProcessAccountInfo info) =
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   331
    case info of
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   332
        HasAccount passwd isAdmin -> do
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   333
            infoM "Clients" $ show clID ++ " has account"
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   334
            writeChan (sendChan $ clients ! clID) ["ASKPASSWORD"]
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   335
            return (clID, serverInfo, adjust (\cl -> cl{webPassword = passwd, isAdministrator = isAdmin}) clID rnc)
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   336
        Guest -> do
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   337
            infoM "Clients" $ show clID ++ " is guest"
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   338
            processAction (clID, serverInfo, adjust (\cl -> cl{logonPassed = True}) clID rnc) MoveToLobby
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   339
        Admin -> do
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   340
            infoM "Clients" $ show clID ++ " is admin"
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   341
            foldM processAction (clID, serverInfo, adjust (\cl -> cl{logonPassed = True, isAdministrator = True}) clID rnc) [MoveToLobby, AnswerThisClient ["ADMIN_ACCESS"]]
1841
fba7210b438b Retrieve client password from web database and ask for it
unc0rr
parents: 1839
diff changeset
   342
fba7210b438b Retrieve client password from web database and ask for it
unc0rr
parents: 1839
diff changeset
   343
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   344
processAction (clID, serverInfo, rnc) (MoveToLobby) =
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   345
    foldM processAction (clID, serverInfo, rnc) $
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   346
        (RoomAddThisClient 0)
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   347
        : answerLobbyNicks
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   348
        ++ [SendServerMessage]
2118
0ebcc98ebc1a Send server message after nicks info (more chance for it to be seen)
unc0rr
parents: 2116
diff changeset
   349
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   350
        -- ++ (answerServerMessage client clients)
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   351
    where
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   352
        lobbyNicks = Prelude.map nick $ Prelude.filter logonPassed $ elems clients
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   353
        answerLobbyNicks = [AnswerThisClient ("LOBBY:JOINED": lobbyNicks) | not $ Prelude.null lobbyNicks]
1841
fba7210b438b Retrieve client password from web database and ask for it
unc0rr
parents: 1839
diff changeset
   354
fba7210b438b Retrieve client password from web database and ask for it
unc0rr
parents: 1839
diff changeset
   355
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   356
processAction (clID, serverInfo, rnc) (KickClient kickID) =
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   357
    liftM2 replaceID (return clID) (processAction (kickID, serverInfo, rnc) $ ByeClient "Kicked")
1879
bb114339eb4e Implement kick from room
unc0rr
parents: 1866
diff changeset
   358
1926
cb46fbdcaa41 Add simple DoS protection mechanism (although better than previous server had)
unc0rr
parents: 1925
diff changeset
   359
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   360
processAction (clID, serverInfo, rnc) (BanClient banNick) =
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   361
    return (clID, serverInfo, rnc)
1921
2a09f7f786a0 - User from localhost is server admin
unc0rr
parents: 1879
diff changeset
   362
1879
bb114339eb4e Implement kick from room
unc0rr
parents: 1866
diff changeset
   363
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   364
processAction (clID, serverInfo, rnc) (KickRoomClient kickID) = do
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   365
    writeChan (sendChan $ clients ! kickID) ["KICKED"]
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   366
    liftM2 replaceID (return clID) (processAction (kickID, serverInfo, rnc) $ RoomRemoveThisClient "kicked")
1879
bb114339eb4e Implement kick from room
unc0rr
parents: 1866
diff changeset
   367
bb114339eb4e Implement kick from room
unc0rr
parents: 1866
diff changeset
   368
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   369
processAction (clID, serverInfo, rnc) (RemoveClientTeams teamsClID) =
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   370
    liftM2 replaceID (return clID) $
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   371
        foldM processAction (teamsClID, serverInfo, rnc) removeTeamsActions
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   372
    where
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   373
        client = clients ! teamsClID
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   374
        room = rooms ! (roomID client)
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   375
        teamsToRemove = Prelude.filter (\t -> teamowner t == nick client) $ teams room
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   376
        removeTeamsActions = Prelude.map (RemoveTeam . teamname) teamsToRemove
3435
4e4f88a7bdf2 Some more steps in refactoring
unc0rr
parents: 3425
diff changeset
   377
-}
1926
cb46fbdcaa41 Add simple DoS protection mechanism (although better than previous server had)
unc0rr
parents: 1925
diff changeset
   378
3451
62089ccec75c Uses StateT monad instead of manually maintaining the state
unc0rr
parents: 3436
diff changeset
   379
processAction (AddClient client) = do
62089ccec75c Uses StateT monad instead of manually maintaining the state
unc0rr
parents: 3436
diff changeset
   380
    rnc <- gets roomsClients
62089ccec75c Uses StateT monad instead of manually maintaining the state
unc0rr
parents: 3436
diff changeset
   381
    si <- gets serverInfo
62089ccec75c Uses StateT monad instead of manually maintaining the state
unc0rr
parents: 3436
diff changeset
   382
    liftIO $ do
62089ccec75c Uses StateT monad instead of manually maintaining the state
unc0rr
parents: 3436
diff changeset
   383
        ci <- addClient rnc client
62089ccec75c Uses StateT monad instead of manually maintaining the state
unc0rr
parents: 3436
diff changeset
   384
        forkIO $ clientRecvLoop (clientHandle client) (coreChan si) ci
62089ccec75c Uses StateT monad instead of manually maintaining the state
unc0rr
parents: 3436
diff changeset
   385
        forkIO $ clientSendLoop (clientHandle client) (coreChan si) (sendChan client) ci
62089ccec75c Uses StateT monad instead of manually maintaining the state
unc0rr
parents: 3436
diff changeset
   386
62089ccec75c Uses StateT monad instead of manually maintaining the state
unc0rr
parents: 3436
diff changeset
   387
        infoM "Clients" (show ci ++ ": New client. Time: " ++ show (connectTime client))
62089ccec75c Uses StateT monad instead of manually maintaining the state
unc0rr
parents: 3436
diff changeset
   388
        writeChan (sendChan client) ["CONNECTED", "Hedgewars server http://www.hedgewars.org/"]
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   389
3451
62089ccec75c Uses StateT monad instead of manually maintaining the state
unc0rr
parents: 3436
diff changeset
   390
{-        let newLogins = takeWhile (\(_ , time) -> (connectTime client) `diffUTCTime` time <= 11) $ lastLogins serverInfo
1926
cb46fbdcaa41 Add simple DoS protection mechanism (although better than previous server had)
unc0rr
parents: 1925
diff changeset
   391
3451
62089ccec75c Uses StateT monad instead of manually maintaining the state
unc0rr
parents: 3436
diff changeset
   392
        if False && (isJust $ host client `Prelude.lookup` newLogins) then
62089ccec75c Uses StateT monad instead of manually maintaining the state
unc0rr
parents: 3436
diff changeset
   393
            processAction (ci, serverInfo{lastLogins = newLogins}, rnc) $ ByeClient "Reconnected too fast"
62089ccec75c Uses StateT monad instead of manually maintaining the state
unc0rr
parents: 3436
diff changeset
   394
            else
62089ccec75c Uses StateT monad instead of manually maintaining the state
unc0rr
parents: 3436
diff changeset
   395
            return (ci, serverInfo)
62089ccec75c Uses StateT monad instead of manually maintaining the state
unc0rr
parents: 3436
diff changeset
   396
-}
62089ccec75c Uses StateT monad instead of manually maintaining the state
unc0rr
parents: 3436
diff changeset
   397
62089ccec75c Uses StateT monad instead of manually maintaining the state
unc0rr
parents: 3436
diff changeset
   398
62089ccec75c Uses StateT monad instead of manually maintaining the state
unc0rr
parents: 3436
diff changeset
   399
1927
e2031906a347 Ping clients every 30 seconds. Disconnection due to ping timeout to be implemented.
unc0rr
parents: 1926
diff changeset
   400
3435
4e4f88a7bdf2 Some more steps in refactoring
unc0rr
parents: 3425
diff changeset
   401
{-
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   402
processAction (clID, serverInfo, rnc) PingAll = do
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   403
    (_, _, newClients, newRooms) <- foldM kickTimeouted (clID, serverInfo, rnc) $ elems clients
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   404
    processAction (clID,
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   405
        serverInfo,
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   406
        Data.IntMap.map (\cl -> cl{pingsQueue = pingsQueue cl + 1}) newClients,
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   407
        newRooms) $ AnswerAll ["PING"]
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   408
    where
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   409
        kickTimeouted (clID, serverInfo, rnc) client =
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   410
            if pingsQueue client > 0 then
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   411
                processAction (clientUID client, serverInfo, rnc) $ ByeClient "Ping timeout"
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   412
                else
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   413
                return (clID, serverInfo, rnc)
2172
80d34c0b9dfe Implement sending gameserver stats to webserver
unc0rr
parents: 2155
diff changeset
   414
80d34c0b9dfe Implement sending gameserver stats to webserver
unc0rr
parents: 2155
diff changeset
   415
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   416
processAction (clID, serverInfo, rnc) (StatsAction) = do
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   417
    writeChan (dbQueries serverInfo) $ SendStats (size clients) (size rooms - 1)
3425
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   418
    return (clID, serverInfo, rnc)
ead2ed20dfd4 Start the server refactoring
unc0rr
parents: 3283
diff changeset
   419
3435
4e4f88a7bdf2 Some more steps in refactoring
unc0rr
parents: 3425
diff changeset
   420
-}