author | unc0rr |
Sun, 05 Apr 2009 17:48:48 +0000 | |
changeset 1946 | 80030efe89fc |
parent 1931 | ffe420e9e61a |
child 1953 | fd9c8e3c734d |
permissions | -rw-r--r-- |
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module Actions where |
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import Control.Concurrent.STM |
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import Control.Concurrent.Chan |
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import Data.IntMap |
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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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----------------------------- |
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import CoreTypes |
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import Utils |
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data Action = |
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AnswerThisClient [String] |
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| AnswerAll [String] |
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| AnswerAllOthers [String] |
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| AnswerThisRoom [String] |
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| AnswerOthersInRoom [String] |
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| AnswerLobby [String] |
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1923 | 23 |
| SendServerMessage |
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| RoomAddThisClient Int -- roomID |
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| RoomRemoveThisClient |
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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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| 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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| ProcessAccountInfo AccountInfo |
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| Dump |
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| AddClient ClientInfo |
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| PingAll |
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type CmdHandler = Int -> Clients -> Rooms -> [String] -> [Action] |
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replaceID a (b, c, d, e) = (a, c, d, e) |
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processAction :: (Int, ServerInfo, Clients, Rooms) -> Action -> IO (Int, ServerInfo, Clients, Rooms) |
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processAction (clID, serverInfo, clients, rooms) (AnswerThisClient msg) = do |
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writeChan (sendChan $ clients ! clID) msg |
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return (clID, serverInfo, clients, rooms) |
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processAction (clID, serverInfo, clients, rooms) (AnswerAll msg) = do |
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mapM_ (\cl -> writeChan (sendChan cl) msg) (elems clients) |
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return (clID, serverInfo, clients, rooms) |
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processAction (clID, serverInfo, clients, rooms) (AnswerAllOthers msg) = do |
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mapM_ (\id -> writeChan (sendChan $ clients ! id) msg) $ |
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Prelude.filter (\id' -> (id' /= clID) && (logonPassed $ clients ! id')) (keys clients) |
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return (clID, serverInfo, clients, rooms) |
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processAction (clID, serverInfo, clients, rooms) (AnswerThisRoom msg) = do |
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mapM_ (\id -> writeChan (sendChan $ clients ! id) msg) roomClients |
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return (clID, serverInfo, clients, rooms) |
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where |
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roomClients = IntSet.elems $ playersIDs room |
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room = rooms ! rID |
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rID = roomID client |
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client = clients ! clID |
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processAction (clID, serverInfo, clients, rooms) (AnswerOthersInRoom msg) = do |
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mapM_ (\id -> writeChan (sendChan $ clients ! id) msg) $ Prelude.filter (/= clID) roomClients |
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return (clID, serverInfo, clients, rooms) |
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where |
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roomClients = IntSet.elems $ playersIDs room |
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room = rooms ! rID |
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rID = roomID client |
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client = clients ! clID |
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processAction (clID, serverInfo, clients, rooms) (AnswerLobby msg) = do |
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mapM_ (\id -> writeChan (sendChan $ clients ! id) msg) roomClients |
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return (clID, serverInfo, clients, rooms) |
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where |
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roomClients = IntSet.elems $ playersIDs room |
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room = rooms ! 0 |
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processAction (clID, serverInfo, clients, rooms) SendServerMessage = do |
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writeChan (sendChan $ clients ! clID) $ ["SERVER_MESSAGE", serverMessage serverInfo] |
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return (clID, serverInfo, clients, rooms) |
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processAction (clID, serverInfo, clients, rooms) (ProtocolError msg) = do |
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writeChan (sendChan $ clients ! clID) ["ERROR", msg] |
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return (clID, serverInfo, clients, rooms) |
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processAction (clID, serverInfo, clients, rooms) (Warning msg) = do |
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writeChan (sendChan $ clients ! clID) ["WARNING", msg] |
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return (clID, serverInfo, clients, rooms) |
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processAction (clID, serverInfo, clients, rooms) (ByeClient msg) = do |
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1929 | 114 |
(_, _, newClients, newRooms) <- |
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if roomID client /= 0 then |
116 |
processAction (clID, serverInfo, clients, rooms) |
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1929 | 117 |
(if isMaster client then RemoveRoom else RemoveClientTeams clID) |
1930 | 118 |
else |
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return (clID, serverInfo, clients, rooms) |
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mapM_ (processAction (clID, serverInfo, newClients, newRooms)) $ answerOthersQuit ++ answerInformRoom |
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writeChan (sendChan $ clients ! clID) ["BYE", msg] |
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return ( |
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0, |
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serverInfo, |
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1929 | 126 |
delete clID newClients, |
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adjust (\r -> r{ |
128 |
playersIDs = IntSet.delete clID (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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}) (roomID $ newClients ! clID) newRooms |
1804 | 132 |
) |
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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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processAction (clID, serverInfo, clients, rooms) (ModifyClient func) = do |
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return (clID, serverInfo, adjust func clID clients, rooms) |
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processAction (clID, serverInfo, clients, rooms) (ModifyRoom func) = do |
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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, clients, rooms) (ModifyServerInfo func) = do |
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return (clID, func serverInfo, clients, rooms) |
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processAction (clID, serverInfo, clients, rooms) (RoomAddThisClient rID) = do |
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processAction ( |
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clID, |
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serverInfo, |
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adjust (\cl -> cl{roomID = rID}) 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, clients, rooms) (RoomRemoveThisClient) = do |
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when (rID /= 0) $ (processAction (clID, serverInfo, clients, rooms) $ AnswerOthersInRoom ["LEFT", nick client, "part"]) >> return () |
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return ( |
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clID, |
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serverInfo, |
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adjust (\cl -> cl{roomID = 0, isMaster = False, isReady = False}) clID clients, |
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adjust (\r -> r{ |
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playersIDs = IntSet.delete clID (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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}) rID $ |
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adjust (\r -> r{playersIDs = IntSet.insert clID (playersIDs r)}) 0 rooms |
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) |
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where |
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rID = roomID client |
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client = clients ! clID |
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processAction (clID, serverInfo, clients, rooms) (AddRoom roomName roomPassword) = do |
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let newServerInfo = serverInfo {nextRoomID = newID} |
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let room = newRoom{ |
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roomUID = newID, |
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name = roomName, |
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password = roomPassword, |
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roomProto = (clientProto client) |
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} |
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processAction (clID, serverInfo, clients, rooms) $ AnswerLobby ["ROOM", "ADD", roomName] |
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processAction ( |
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clID, |
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newServerInfo, |
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adjust (\cl -> cl{isMaster = True}) clID clients, |
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insert newID room rooms |
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) $ RoomAddThisClient newID |
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where |
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newID = (nextRoomID serverInfo) - 1 |
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client = clients ! clID |
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processAction (clID, serverInfo, clients, rooms) (RemoveRoom) = do |
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processAction (clID, serverInfo, clients, rooms) $ AnswerLobby ["ROOM", "DEL", name room] |
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processAction (clID, serverInfo, clients, rooms) $ AnswerOthersInRoom ["ROOMABANDONED", name room] |
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return (clID, |
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serverInfo, |
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Data.IntMap.map (\cl -> if roomID cl == rID then cl{roomID = 0, isMaster = False, isReady = False} else cl) clients, |
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delete rID $ adjust (\r -> r{playersIDs = IntSet.union (playersIDs room) (playersIDs r)}) 0 rooms |
1804 | 231 |
) |
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where |
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1811 | 233 |
room = rooms ! rID |
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rID = roomID client |
235 |
client = clients ! clID |
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1813 | 237 |
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processAction (clID, serverInfo, clients, rooms) (UnreadyRoomClients) = do |
239 |
processAction (clID, serverInfo, clients, rooms) $ AnswerThisRoom ("NOT_READY" : roomPlayers) |
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return (clID, |
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serverInfo, |
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Data.IntMap.map (\cl -> if roomID cl == rID then cl{isReady = False} else cl) clients, |
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adjust (\r -> r{readyPlayers = 0}) rID rooms) |
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where |
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room = rooms ! rID |
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rID = roomID client |
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client = clients ! clID |
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248 |
roomPlayers = Prelude.map (nick . (clients !)) roomPlayersIDs |
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roomPlayersIDs = IntSet.elems $ playersIDs room |
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250 |
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processAction (clID, serverInfo, clients, rooms) (RemoveTeam teamName) = do |
253 |
newRooms <- if not $ gameinprogress room then |
|
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do |
|
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processAction (clID, serverInfo, clients, rooms) $ AnswerOthersInRoom ["REMOVE_TEAM", teamName] |
|
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return $ |
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adjust (\r -> r{teams = Prelude.filter (\t -> teamName /= teamname t) $ teams r}) rID rooms |
|
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else |
|
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do |
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processAction (clID, serverInfo, clients, rooms) $ AnswerOthersInRoom ["EM", rmTeamMsg] |
1813 | 261 |
return $ |
262 |
adjust (\r -> r{ |
|
263 |
teams = Prelude.filter (\t -> teamName /= teamname t) $ teams r, |
|
264 |
leftTeams = teamName : leftTeams r, |
|
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roundMsgs = roundMsgs r Seq.|> rmTeamMsg |
|
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}) rID rooms |
|
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return (clID, serverInfo, clients, newRooms) |
|
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where |
|
269 |
room = rooms ! rID |
|
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rID = roomID client |
|
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client = clients ! clID |
|
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rmTeamMsg = toEngineMsg $ 'F' : teamName |
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processAction (clID, serverInfo, clients, rooms) (CheckRegistered) = do |
1921 | 276 |
writeChan (dbQueries serverInfo) $ CheckAccount client |
1834 | 277 |
return (clID, serverInfo, clients, rooms) |
278 |
where |
|
279 |
client = clients ! clID |
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processAction (clID, serverInfo, clients, rooms) (Dump) = do |
283 |
writeChan (sendChan $ clients ! clID) ["DUMP", show serverInfo, showTree clients, showTree rooms] |
|
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return (clID, serverInfo, clients, rooms) |
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processAction (clID, serverInfo, clients, rooms) (ProcessAccountInfo info) = do |
1923 | 288 |
processAction (clID, serverInfo, clients, rooms) SendServerMessage |
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case info of |
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HasAccount passwd isAdmin -> do |
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infoM "Clients" $ show clID ++ " has account" |
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writeChan (sendChan $ clients ! clID) ["ASKPASSWORD"] |
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return (clID, serverInfo, adjust (\cl -> cl{webPassword = passwd, isAdministrator = isAdmin}) clID clients, rooms) |
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Guest -> do |
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infoM "Clients" $ show clID ++ " is guest" |
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processAction (clID, serverInfo, adjust (\cl -> cl{logonPassed = True}) clID clients, rooms) MoveToLobby |
1921 | 297 |
Admin -> do |
298 |
infoM "Clients" $ show clID ++ " is admin" |
|
299 |
foldM processAction (clID, serverInfo, adjust (\cl -> cl{logonPassed = True, isAdministrator = True}) clID clients, rooms) [MoveToLobby, AnswerThisClient ["ADMIN_ACCESS"]] |
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processAction (clID, serverInfo, clients, rooms) (MoveToLobby) = do |
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foldM processAction (clID, serverInfo, clients, rooms) $ |
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(RoomAddThisClient 0) |
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: answerLobbyNicks |
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-- ++ (answerServerMessage client clients) |
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307 |
where |
1846 | 308 |
lobbyNicks = Prelude.map nick $ Prelude.filter logonPassed $ elems clients |
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answerLobbyNicks = if not $ Prelude.null lobbyNicks then |
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[AnswerThisClient (["LOBBY:JOINED"] ++ lobbyNicks)] |
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else |
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[] |
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|
1862 | 315 |
processAction (clID, serverInfo, clients, rooms) (KickClient kickID) = do |
1879 | 316 |
liftM2 replaceID (return clID) (processAction (kickID, serverInfo, clients, rooms) $ ByeClient "Kicked") |
317 |
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|
318 |
|
1921 | 319 |
processAction (clID, serverInfo, clients, rooms) (BanClient banNick) = do |
320 |
return (clID, serverInfo, clients, rooms) |
|
321 |
||
1879 | 322 |
|
323 |
processAction (clID, serverInfo, clients, rooms) (KickRoomClient kickID) = do |
|
324 |
writeChan (sendChan $ clients ! kickID) ["KICKED"] |
|
325 |
liftM2 replaceID (return clID) (processAction (kickID, serverInfo, clients, rooms) $ RoomRemoveThisClient) |
|
326 |
||
327 |
||
328 |
processAction (clID, serverInfo, clients, rooms) (RemoveClientTeams teamsClID) = do |
|
329 |
liftM2 replaceID (return clID) $ |
|
330 |
foldM processAction (teamsClID, serverInfo, clients, rooms) $ removeTeamsActions |
|
331 |
where |
|
332 |
client = clients ! teamsClID |
|
333 |
room = rooms ! (roomID client) |
|
334 |
teamsToRemove = Prelude.filter (\t -> teamowner t == nick client) $ teams room |
|
335 |
removeTeamsActions = Prelude.map (RemoveTeam . teamname) teamsToRemove |
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cb46fbdcaa41
Add simple DoS protection mechanism (although better than previous server had)
unc0rr
parents:
1925
diff
changeset
|
338 |
processAction (clID, serverInfo, clients, rooms) (AddClient client) = do |
cb46fbdcaa41
Add simple DoS protection mechanism (although better than previous server had)
unc0rr
parents:
1925
diff
changeset
|
339 |
let updatedClients = insert (clientUID client) client clients |
1927
e2031906a347
Ping clients every 30 seconds. Disconnection due to ping timeout to be implemented.
unc0rr
parents:
1926
diff
changeset
|
340 |
infoM "Clients" ((show $ clientUID client) ++ ": New client. Time: " ++ (show $ connectTime client)) |
1926
cb46fbdcaa41
Add simple DoS protection mechanism (although better than previous server had)
unc0rr
parents:
1925
diff
changeset
|
341 |
writeChan (sendChan $ client) ["CONNECTED", "Hedgewars server http://www.hedgewars.org/"] |
cb46fbdcaa41
Add simple DoS protection mechanism (although better than previous server had)
unc0rr
parents:
1925
diff
changeset
|
342 |
|
cb46fbdcaa41
Add simple DoS protection mechanism (although better than previous server had)
unc0rr
parents:
1925
diff
changeset
|
343 |
let newLogins = takeWhile (\(_ , time) -> (connectTime client) `diffUTCTime` time <= 20) $ lastLogins serverInfo |
cb46fbdcaa41
Add simple DoS protection mechanism (although better than previous server had)
unc0rr
parents:
1925
diff
changeset
|
344 |
|
1931 | 345 |
if isJust $ host client `Prelude.lookup` newLogins then |
346 |
processAction (clID, serverInfo{lastLogins = newLogins}, updatedClients, rooms) $ ByeClient "Reconnected too fast" |
|
347 |
else |
|
348 |
return (clID, serverInfo{lastLogins = (host client, connectTime client) : newLogins}, updatedClients, rooms) |
|
1927
e2031906a347
Ping clients every 30 seconds. Disconnection due to ping timeout to be implemented.
unc0rr
parents:
1926
diff
changeset
|
349 |
|
e2031906a347
Ping clients every 30 seconds. Disconnection due to ping timeout to be implemented.
unc0rr
parents:
1926
diff
changeset
|
350 |
|
e2031906a347
Ping clients every 30 seconds. Disconnection due to ping timeout to be implemented.
unc0rr
parents:
1926
diff
changeset
|
351 |
processAction (clID, serverInfo, clients, rooms) PingAll = do |
1928 | 352 |
(_, _, newClients, newRooms) <- foldM kickTimeouted (clID, serverInfo, clients, rooms) $ elems clients |
1927
e2031906a347
Ping clients every 30 seconds. Disconnection due to ping timeout to be implemented.
unc0rr
parents:
1926
diff
changeset
|
353 |
processAction (clID, |
e2031906a347
Ping clients every 30 seconds. Disconnection due to ping timeout to be implemented.
unc0rr
parents:
1926
diff
changeset
|
354 |
serverInfo, |
1928 | 355 |
Data.IntMap.map (\cl -> cl{pingsQueue = pingsQueue cl + 1}) newClients, |
356 |
newRooms) $ AnswerAll ["PING"] |
|
357 |
where |
|
358 |
kickTimeouted (clID, serverInfo, clients, rooms) client = |
|
359 |
if pingsQueue client > 0 then |
|
360 |
processAction (clientUID client, serverInfo, clients, rooms) $ ByeClient "Ping timeout" |
|
361 |
else |
|
362 |
return (clID, serverInfo, clients, rooms) |