gameServer/Actions.hs
author sheepluva
Fri, 07 May 2010 20:45:03 +0000
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permissions -rw-r--r--
wait for AI thread to finish before freeing ressources (to avoid segfaults on game exit)
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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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-----------------------------
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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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replaceID a (b, c, d, e) = (a, c, d, e)
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processAction :: (ClientIndex, ServerInfo, MRnC) -> Action -> IO (ClientIndex, ServerInfo)
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processAction (ci, serverInfo, rnc) (AnswerClients chans msg) = do
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    mapM_ (flip writeChan msg) chans
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    return (ci, serverInfo)
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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 (ci, serverInfo, rnc) (ByeClient msg) = do
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    infoM "Clients" (show ci ++ " quits: " ++ msg)
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    ri <- clientRoomM rnc ci
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    when (ri /= lobbyId) $ do
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        processAction (ci, serverInfo, rnc) $ RoomRemoveThisClient ("quit: " ++ msg)
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        return ()
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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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    return (ci, serverInfo)
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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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processAction (clID, serverInfo, rnc) (ModifyServerInfo func) =
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    return (clID, func serverInfo, rnc)
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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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   161
        ) joinMsg
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   162
    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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   166
            else
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                AnswerThisRoom ["JOINED", nick client]
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   169
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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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   174
                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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                else -- not in game
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                    processAction (clID, serverInfo, rnc) RemoveRoom
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   181
            else -- not master
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   182
                foldM
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                    processAction
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   184
                        (clID, serverInfo, rnc)
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   185
                        [AnswerOthersInRoom ["LEFT", nick client, msg],
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                        RemoveClientTeams clID]
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   187
        else -- in lobby
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            return (clID, serverInfo, rnc)
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   189
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   190
    return (
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   191
        clID,
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   192
        serverInfo,
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   193
        adjust resetClientFlags clID newClients,
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   194
        adjust removeClientFromRoom rID $ adjust insertClientToRoom 0 newRooms
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   195
        )
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   196
    where
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   197
        rID = roomID client
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   198
        client = clients ! clID
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   199
        room = rooms ! rID
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   200
        resetClientFlags cl = cl{roomID = 0, isMaster = False, isReady = False, teamsInGame = undefined}
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   201
        removeClientFromRoom r = r{
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   202
                playersIDs = otherPlayersSet,
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   203
                playersIn = (playersIn r) - 1,
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   204
                readyPlayers = if isReady client then (readyPlayers r) - 1 else readyPlayers r
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   205
                }
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   206
        insertClientToRoom r = r{playersIDs = IntSet.insert clID (playersIDs r)}
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   207
        changeMaster = do
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   208
            processAction (newMasterId, serverInfo, rnc) $ AnswerThisClient ["ROOM_CONTROL_ACCESS", "1"]
2867
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   209
            return (
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   210
                clID,
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diff changeset
   211
                serverInfo,
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   212
                adjust (\cl -> cl{isMaster = True}) newMasterId clients,
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diff changeset
   213
                adjust (\r -> r{masterID = newMasterId, name = newRoomName}) rID rooms
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   214
                )
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   215
        newRoomName = nick newMasterClient
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   216
        otherPlayersSet = IntSet.delete clID (playersIDs room)
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   217
        newMasterId = IntSet.findMin otherPlayersSet
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   218
        newMasterClient = clients ! newMasterId
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   219
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diff changeset
   220
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   221
processAction (clID, serverInfo, rnc) (AddRoom roomName roomPassword) = do
2867
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   222
    let newServerInfo = serverInfo {nextRoomID = newID}
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diff changeset
   223
    let room = newRoom{
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   224
            roomUID = newID,
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   225
            masterID = clID,
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   226
            name = roomName,
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   227
            password = roomPassword,
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   228
            roomProto = (clientProto client)
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   229
            }
1804
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   230
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   231
    processAction (clID, serverInfo, rnc) $ AnswerLobby ["ROOM", "ADD", roomName]
1804
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diff changeset
   232
2867
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diff changeset
   233
    processAction (
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   234
        clID,
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diff changeset
   235
        newServerInfo,
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diff changeset
   236
        adjust (\cl -> cl{isMaster = True}) clID clients,
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diff changeset
   237
        insert newID room rooms
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
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   238
        ) $ RoomAddThisClient newID
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diff changeset
   239
    where
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   240
        newID = (nextRoomID serverInfo) - 1
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   241
        client = clients ! clID
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   242
4e78ad846fb6 New game server:
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diff changeset
   243
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   244
processAction (clID, serverInfo, rnc) (RemoveRoom) = do
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   245
    processAction (clID, serverInfo, rnc) $ AnswerLobby ["ROOM", "DEL", name room]
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   246
    processAction (clID, serverInfo, rnc) $ AnswerOthersInRoom ["ROOMABANDONED", name room]
2867
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   247
    return (clID,
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diff changeset
   248
        serverInfo,
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   249
        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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   250
        delete rID $ adjust (\r -> r{playersIDs = IntSet.union (playersIDs room) (playersIDs r)}) 0 rooms
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
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diff changeset
   251
        )
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parents: 2662
diff changeset
   252
    where
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diff changeset
   253
        room = rooms ! rID
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diff changeset
   254
        rID = roomID client
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   255
        client = clients ! clID
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diff changeset
   256
1813
cfe1481e0247 Removeteam action
unc0rr
parents: 1811
diff changeset
   257
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   258
processAction (clID, serverInfo, rnc) (UnreadyRoomClients) = do
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   259
    processAction (clID, serverInfo, rnc) $ AnswerThisRoom ("NOT_READY" : roomPlayers)
2867
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   260
    return (clID,
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   261
        serverInfo,
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   262
        Data.IntMap.map (\cl -> if roomID cl == rID then cl{isReady = False} else cl) clients,
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unc0rr
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diff changeset
   263
        adjust (\r -> r{readyPlayers = 0}) rID rooms)
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   264
    where
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diff changeset
   265
        room = rooms ! rID
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diff changeset
   266
        rID = roomID client
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diff changeset
   267
        client = clients ! clID
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diff changeset
   268
        roomPlayers = Prelude.map (nick . (clients !)) roomPlayersIDs
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   269
        roomPlayersIDs = IntSet.elems $ playersIDs room
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   270
1b9e33623b7e Implement 'roundfinished' cmd on net server
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parents: 1804
diff changeset
   271
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   272
processAction (clID, serverInfo, rnc) (RemoveTeam teamName) = do
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
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   273
    newRooms <- if not $ gameinprogress room then
2867
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   274
            do
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   275
            processAction (clID, serverInfo, rnc) $ AnswerOthersInRoom ["REMOVE_TEAM", teamName]
2867
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   276
            return $
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diff changeset
   277
                adjust (\r -> r{teams = Prelude.filter (\t -> teamName /= teamname t) $ teams r}) rID rooms
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   278
        else
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   279
            do
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   280
            processAction (clID, serverInfo, rnc) $ AnswerOthersInRoom ["EM", rmTeamMsg]
2867
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diff changeset
   281
            return $
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diff changeset
   282
                adjust (\r -> r{
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
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   283
                teams = Prelude.filter (\t -> teamName /= teamname t) $ teams r,
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   284
                leftTeams = teamName : leftTeams r,
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unc0rr
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diff changeset
   285
                roundMsgs = roundMsgs r Seq.|> rmTeamMsg
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
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diff changeset
   286
                }) rID rooms
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diff changeset
   287
    return (clID, serverInfo, clients, newRooms)
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diff changeset
   288
    where
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diff changeset
   289
        room = rooms ! rID
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diff changeset
   290
        rID = roomID client
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diff changeset
   291
        client = clients ! clID
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   292
        rmTeamMsg = toEngineMsg $ 'F' : teamName
1813
cfe1481e0247 Removeteam action
unc0rr
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diff changeset
   293
cfe1481e0247 Removeteam action
unc0rr
parents: 1811
diff changeset
   294
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diff changeset
   295
processAction (clID, serverInfo, rnc) (CheckRegistered) = do
2867
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diff changeset
   296
    writeChan (dbQueries serverInfo) $ CheckAccount (clientUID client) (nick client) (host client)
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diff changeset
   297
    return (clID, serverInfo, rnc)
2867
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diff changeset
   298
    where
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diff changeset
   299
        client = clients ! clID
1834
71cb978dc85f Add working check for www account existance
unc0rr
parents: 1827
diff changeset
   300
1841
fba7210b438b Retrieve client password from web database and ask for it
unc0rr
parents: 1839
diff changeset
   301
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diff changeset
   302
processAction (clID, serverInfo, rnc) (ClearAccountsCache) = do
2867
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unc0rr
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diff changeset
   303
    writeChan (dbQueries serverInfo) ClearCache
3425
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diff changeset
   304
    return (clID, serverInfo, rnc)
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2662
diff changeset
   305
    where
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diff changeset
   306
        client = clients ! clID
2155
d897222d3339 Implement ability for server admin to clear accounts cache
unc0rr
parents: 2126
diff changeset
   307
d897222d3339 Implement ability for server admin to clear accounts cache
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diff changeset
   308
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   309
processAction (clID, serverInfo, rnc) (Dump) = do
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   310
    writeChan (sendChan $ clients ! clID) ["DUMP", show serverInfo, showTree clients, showTree rooms]
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   311
    return (clID, serverInfo, rnc)
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4e78ad846fb6 New game server:
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parents:
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   312
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   313
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   314
processAction (clID, serverInfo, rnc) (ProcessAccountInfo info) =
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   315
    case info of
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   316
        HasAccount passwd isAdmin -> do
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   317
            infoM "Clients" $ show clID ++ " has account"
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   318
            writeChan (sendChan $ clients ! clID) ["ASKPASSWORD"]
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   319
            return (clID, serverInfo, adjust (\cl -> cl{webPassword = passwd, isAdministrator = isAdmin}) clID rnc)
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   320
        Guest -> do
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   321
            infoM "Clients" $ show clID ++ " is guest"
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   322
            processAction (clID, serverInfo, adjust (\cl -> cl{logonPassed = True}) clID rnc) MoveToLobby
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   323
        Admin -> do
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   324
            infoM "Clients" $ show clID ++ " is admin"
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   325
            foldM processAction (clID, serverInfo, adjust (\cl -> cl{logonPassed = True, isAdministrator = True}) clID rnc) [MoveToLobby, AnswerThisClient ["ADMIN_ACCESS"]]
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   326
fba7210b438b Retrieve client password from web database and ask for it
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diff changeset
   327
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   328
processAction (clID, serverInfo, rnc) (MoveToLobby) =
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   329
    foldM processAction (clID, serverInfo, rnc) $
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   330
        (RoomAddThisClient 0)
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   331
        : answerLobbyNicks
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   332
        ++ [SendServerMessage]
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0ebcc98ebc1a Send server message after nicks info (more chance for it to be seen)
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diff changeset
   333
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   334
        -- ++ (answerServerMessage client clients)
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   335
    where
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   336
        lobbyNicks = Prelude.map nick $ Prelude.filter logonPassed $ elems clients
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   337
        answerLobbyNicks = [AnswerThisClient ("LOBBY:JOINED": lobbyNicks) | not $ Prelude.null lobbyNicks]
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   338
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diff changeset
   339
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   340
processAction (clID, serverInfo, rnc) (KickClient kickID) =
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   341
    liftM2 replaceID (return clID) (processAction (kickID, serverInfo, rnc) $ ByeClient "Kicked")
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   342
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   343
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   344
processAction (clID, serverInfo, rnc) (BanClient banNick) =
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   345
    return (clID, serverInfo, rnc)
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diff changeset
   346
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diff changeset
   347
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   348
processAction (clID, serverInfo, rnc) (KickRoomClient kickID) = do
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   349
    writeChan (sendChan $ clients ! kickID) ["KICKED"]
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   350
    liftM2 replaceID (return clID) (processAction (kickID, serverInfo, rnc) $ RoomRemoveThisClient "kicked")
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diff changeset
   351
bb114339eb4e Implement kick from room
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diff changeset
   352
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diff changeset
   353
processAction (clID, serverInfo, rnc) (RemoveClientTeams teamsClID) =
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   354
    liftM2 replaceID (return clID) $
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   355
        foldM processAction (teamsClID, serverInfo, rnc) removeTeamsActions
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diff changeset
   356
    where
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diff changeset
   357
        client = clients ! teamsClID
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   358
        room = rooms ! (roomID client)
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   359
        teamsToRemove = Prelude.filter (\t -> teamowner t == nick client) $ teams room
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diff changeset
   360
        removeTeamsActions = Prelude.map (RemoveTeam . teamname) teamsToRemove
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diff changeset
   361
-}
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parents: 1925
diff changeset
   362
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diff changeset
   363
processAction (_, serverInfo, rnc) (AddClient client) = do
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   364
    ci <- addClient rnc client
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diff changeset
   365
    forkIO $ clientRecvLoop (clientHandle client) (coreChan serverInfo) ci
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diff changeset
   366
    forkIO $ clientSendLoop (clientHandle client) (coreChan serverInfo) (sendChan client) ci
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diff changeset
   367
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diff changeset
   368
    infoM "Clients" (show ci ++ ": New client. Time: " ++ show (connectTime client))
2867
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diff changeset
   369
    writeChan (sendChan client) ["CONNECTED", "Hedgewars server http://www.hedgewars.org/"]
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diff changeset
   370
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diff changeset
   371
    let newLogins = takeWhile (\(_ , time) -> (connectTime client) `diffUTCTime` time <= 11) $ lastLogins serverInfo
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diff changeset
   372
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diff changeset
   373
    if False && (isJust $ host client `Prelude.lookup` newLogins) then
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diff changeset
   374
        processAction (ci, serverInfo{lastLogins = newLogins}, rnc) $ ByeClient "Reconnected too fast"
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diff changeset
   375
        else
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diff changeset
   376
        return (ci, serverInfo)
1927
e2031906a347 Ping clients every 30 seconds. Disconnection due to ping timeout to be implemented.
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diff changeset
   377
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diff changeset
   378
{-
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diff changeset
   379
processAction (clID, serverInfo, rnc) PingAll = do
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diff changeset
   380
    (_, _, newClients, newRooms) <- foldM kickTimeouted (clID, serverInfo, rnc) $ elems clients
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diff changeset
   381
    processAction (clID,
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diff changeset
   382
        serverInfo,
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parents: 2662
diff changeset
   383
        Data.IntMap.map (\cl -> cl{pingsQueue = pingsQueue cl + 1}) newClients,
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diff changeset
   384
        newRooms) $ AnswerAll ["PING"]
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diff changeset
   385
    where
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diff changeset
   386
        kickTimeouted (clID, serverInfo, rnc) client =
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parents: 2662
diff changeset
   387
            if pingsQueue client > 0 then
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diff changeset
   388
                processAction (clientUID client, serverInfo, rnc) $ ByeClient "Ping timeout"
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diff changeset
   389
                else
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diff changeset
   390
                return (clID, serverInfo, rnc)
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80d34c0b9dfe Implement sending gameserver stats to webserver
unc0rr
parents: 2155
diff changeset
   391
80d34c0b9dfe Implement sending gameserver stats to webserver
unc0rr
parents: 2155
diff changeset
   392
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diff changeset
   393
processAction (clID, serverInfo, rnc) (StatsAction) = do
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parents: 2662
diff changeset
   394
    writeChan (dbQueries serverInfo) $ SendStats (size clients) (size rooms - 1)
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diff changeset
   395
    return (clID, serverInfo, rnc)
ead2ed20dfd4 Start the server refactoring
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parents: 3283
diff changeset
   396
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diff changeset
   397
-}