author | unc0rr |
Sat, 11 Apr 2009 10:40:41 +0000 | |
changeset 1954 | 038c18bc58a1 |
parent 1953 | fd9c8e3c734d |
child 1972 | e7a7c5eb5d86 |
permissions | -rw-r--r-- |
1804 | 1 |
module Actions where |
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import Control.Concurrent.STM |
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4 |
import Control.Concurrent.Chan |
|
5 |
import Data.IntMap |
|
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import qualified Data.IntSet as IntSet |
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1813 | 7 |
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 |
|
1813 | 14 |
import Utils |
1804 | 15 |
|
16 |
data Action = |
|
17 |
AnswerThisClient [String] |
|
18 |
| AnswerAll [String] |
|
19 |
| AnswerAllOthers [String] |
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20 |
| AnswerThisRoom [String] |
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| AnswerOthersInRoom [String] |
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| AnswerLobby [String] |
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1923 | 23 |
| SendServerMessage |
1804 | 24 |
| RoomAddThisClient Int -- roomID |
25 |
| RoomRemoveThisClient |
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1813 | 26 |
| RemoveTeam String |
1804 | 27 |
| RemoveRoom |
1811 | 28 |
| UnreadyRoomClients |
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| MoveToLobby |
1804 | 30 |
| ProtocolError String |
31 |
| Warning String |
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| ByeClient String |
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1862 | 33 |
| KickClient Int -- clID |
1879 | 34 |
| KickRoomClient Int -- clID |
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| BanClient String -- nick |
1879 | 36 |
| RemoveClientTeams Int -- clID |
1804 | 37 |
| ModifyClient (ClientInfo -> ClientInfo) |
38 |
| ModifyRoom (RoomInfo -> RoomInfo) |
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1925 | 39 |
| ModifyServerInfo (ServerInfo -> ServerInfo) |
1804 | 40 |
| AddRoom String String |
1834 | 41 |
| CheckRegistered |
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| ProcessAccountInfo AccountInfo |
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| Dump |
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| AddClient ClientInfo |
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| PingAll |
1804 | 46 |
|
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type CmdHandler = Int -> Clients -> Rooms -> [String] -> [Action] |
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||
1862 | 49 |
replaceID a (b, c, d, e) = (a, c, d, e) |
1804 | 50 |
|
51 |
processAction :: (Int, ServerInfo, Clients, Rooms) -> Action -> IO (Int, ServerInfo, Clients, Rooms) |
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52 |
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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) $ |
66 |
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 |
1953 | 99 |
writeChan (sendChan $ clients ! clID) $ ["SERVER_MESSAGE", message serverInfo] |
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return (clID, serverInfo, clients, rooms) |
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where |
102 |
client = clients ! clID |
|
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message = if clientProto client < 25 then |
|
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serverMessageForOldVersions |
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else |
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serverMessageForOldVersions |
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1923 | 107 |
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1804 | 109 |
processAction (clID, serverInfo, clients, rooms) (ProtocolError msg) = do |
110 |
writeChan (sendChan $ clients ! clID) ["ERROR", msg] |
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return (clID, serverInfo, clients, rooms) |
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112 |
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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 | 120 |
(_, _, newClients, newRooms) <- |
1930 | 121 |
if roomID client /= 0 then |
122 |
processAction (clID, serverInfo, clients, rooms) |
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1929 | 123 |
(if isMaster client then RemoveRoom else RemoveClientTeams clID) |
1930 | 124 |
else |
125 |
return (clID, serverInfo, clients, rooms) |
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1929 | 126 |
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mapM_ (processAction (clID, serverInfo, newClients, newRooms)) $ answerOthersQuit ++ answerInformRoom |
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writeChan (sendChan $ clients ! clID) ["BYE", msg] |
1804 | 129 |
return ( |
130 |
0, |
|
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serverInfo, |
|
1929 | 132 |
delete clID newClients, |
1823 | 133 |
adjust (\r -> r{ |
134 |
playersIDs = IntSet.delete clID (playersIDs r), |
|
135 |
playersIn = (playersIn r) - 1, |
|
136 |
readyPlayers = if isReady client then readyPlayers r - 1 else readyPlayers r |
|
1930 | 137 |
}) (roomID $ newClients ! clID) newRooms |
1804 | 138 |
) |
139 |
where |
|
140 |
client = clients ! clID |
|
141 |
clientNick = nick client |
|
142 |
answerInformRoom = |
|
143 |
if roomID client /= 0 then |
|
144 |
if not $ Prelude.null msg then |
|
145 |
[AnswerThisRoom ["LEFT", clientNick, msg]] |
|
146 |
else |
|
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[AnswerThisRoom ["LEFT", clientNick]] |
|
148 |
else |
|
149 |
[] |
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answerOthersQuit = |
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1846 | 151 |
if logonPassed client then |
1804 | 152 |
if not $ Prelude.null msg then |
153 |
[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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||
160 |
processAction (clID, serverInfo, clients, rooms) (ModifyClient func) = do |
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161 |
return (clID, serverInfo, adjust func clID clients, rooms) |
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162 |
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||
164 |
processAction (clID, serverInfo, clients, rooms) (ModifyRoom func) = do |
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return (clID, serverInfo, clients, adjust func rID rooms) |
|
166 |
where |
|
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rID = roomID $ clients ! clID |
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168 |
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processAction (clID, serverInfo, clients, rooms) (ModifyServerInfo func) = do |
171 |
return (clID, func serverInfo, clients, rooms) |
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172 |
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1804 | 174 |
processAction (clID, serverInfo, clients, rooms) (RoomAddThisClient rID) = do |
175 |
processAction ( |
|
176 |
clID, |
|
177 |
serverInfo, |
|
178 |
adjust (\cl -> cl{roomID = rID}) clID clients, |
|
179 |
adjust (\r -> r{playersIDs = IntSet.insert clID (playersIDs r), playersIn = (playersIn r) + 1}) rID $ |
|
180 |
adjust (\r -> r{playersIDs = IntSet.delete clID (playersIDs r)}) 0 rooms |
|
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) joinMsg |
|
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where |
|
183 |
client = clients ! clID |
|
184 |
joinMsg = if rID == 0 then |
|
185 |
AnswerAllOthers ["LOBBY:JOINED", nick client] |
|
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else |
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187 |
AnswerThisRoom ["JOINED", nick client] |
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188 |
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190 |
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, |
1823 | 196 |
adjust (\r -> r{ |
197 |
playersIDs = IntSet.delete clID (playersIDs r), |
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playersIn = (playersIn r) - 1, |
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1827 | 199 |
readyPlayers = if isReady client then (readyPlayers r) - 1 else readyPlayers r |
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}) rID $ |
1804 | 201 |
adjust (\r -> r{playersIDs = IntSet.insert clID (playersIDs r)}) 0 rooms |
202 |
) |
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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 |
|
209 |
let newServerInfo = serverInfo {nextRoomID = newID} |
|
210 |
let room = newRoom{ |
|
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roomUID = newID, |
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name = roomName, |
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213 |
password = roomPassword, |
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214 |
roomProto = (clientProto client) |
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} |
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processAction (clID, serverInfo, clients, rooms) $ AnswerLobby ["ROOM", "ADD", roomName] |
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219 |
processAction ( |
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clID, |
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221 |
newServerInfo, |
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222 |
adjust (\cl -> cl{isMaster = True}) clID clients, |
|
223 |
insert newID room rooms |
|
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) $ RoomAddThisClient newID |
|
225 |
where |
|
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newID = (nextRoomID serverInfo) - 1 |
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client = clients ! clID |
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230 |
processAction (clID, serverInfo, clients, rooms) (RemoveRoom) = do |
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1811 | 231 |
processAction (clID, serverInfo, clients, rooms) $ AnswerLobby ["ROOM", "DEL", name room] |
232 |
processAction (clID, serverInfo, clients, rooms) $ AnswerOthersInRoom ["ROOMABANDONED", name room] |
|
1804 | 233 |
return (clID, |
234 |
serverInfo, |
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1827 | 235 |
Data.IntMap.map (\cl -> if roomID cl == rID then cl{roomID = 0, isMaster = False, isReady = False} else cl) clients, |
1811 | 236 |
delete rID $ adjust (\r -> r{playersIDs = IntSet.union (playersIDs room) (playersIDs r)}) 0 rooms |
1804 | 237 |
) |
238 |
where |
|
1811 | 239 |
room = rooms ! rID |
1804 | 240 |
rID = roomID client |
241 |
client = clients ! clID |
|
242 |
||
1813 | 243 |
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1811 | 244 |
processAction (clID, serverInfo, clients, rooms) (UnreadyRoomClients) = do |
245 |
processAction (clID, serverInfo, clients, rooms) $ AnswerThisRoom ("NOT_READY" : roomPlayers) |
|
246 |
return (clID, |
|
247 |
serverInfo, |
|
248 |
Data.IntMap.map (\cl -> if roomID cl == rID then cl{isReady = False} else cl) clients, |
|
1827 | 249 |
adjust (\r -> r{readyPlayers = 0}) rID rooms) |
1811 | 250 |
where |
251 |
room = rooms ! rID |
|
252 |
rID = roomID client |
|
253 |
client = clients ! clID |
|
254 |
roomPlayers = Prelude.map (nick . (clients !)) roomPlayersIDs |
|
255 |
roomPlayersIDs = IntSet.elems $ playersIDs room |
|
256 |
||
257 |
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1813 | 258 |
processAction (clID, serverInfo, clients, rooms) (RemoveTeam teamName) = do |
259 |
newRooms <- if not $ gameinprogress room then |
|
260 |
do |
|
261 |
processAction (clID, serverInfo, clients, rooms) $ AnswerOthersInRoom ["REMOVE_TEAM", teamName] |
|
262 |
return $ |
|
263 |
adjust (\r -> r{teams = Prelude.filter (\t -> teamName /= teamname t) $ teams r}) rID rooms |
|
264 |
else |
|
265 |
do |
|
1866 | 266 |
processAction (clID, serverInfo, clients, rooms) $ AnswerOthersInRoom ["EM", rmTeamMsg] |
1813 | 267 |
return $ |
268 |
adjust (\r -> r{ |
|
269 |
teams = Prelude.filter (\t -> teamName /= teamname t) $ teams r, |
|
270 |
leftTeams = teamName : leftTeams r, |
|
271 |
roundMsgs = roundMsgs r Seq.|> rmTeamMsg |
|
272 |
}) rID rooms |
|
273 |
return (clID, serverInfo, clients, newRooms) |
|
274 |
where |
|
275 |
room = rooms ! rID |
|
276 |
rID = roomID client |
|
277 |
client = clients ! clID |
|
278 |
rmTeamMsg = toEngineMsg $ 'F' : teamName |
|
279 |
||
280 |
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1834 | 281 |
processAction (clID, serverInfo, clients, rooms) (CheckRegistered) = do |
1921 | 282 |
writeChan (dbQueries serverInfo) $ CheckAccount client |
1834 | 283 |
return (clID, serverInfo, clients, rooms) |
284 |
where |
|
285 |
client = clients ! clID |
|
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1804 | 288 |
processAction (clID, serverInfo, clients, rooms) (Dump) = do |
289 |
writeChan (sendChan $ clients ! clID) ["DUMP", show serverInfo, showTree clients, showTree rooms] |
|
290 |
return (clID, serverInfo, clients, rooms) |
|
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293 |
processAction (clID, serverInfo, clients, rooms) (ProcessAccountInfo info) = do |
1923 | 294 |
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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301 |
infoM "Clients" $ show clID ++ " is guest" |
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302 |
processAction (clID, serverInfo, adjust (\cl -> cl{logonPassed = True}) clID clients, rooms) MoveToLobby |
1921 | 303 |
Admin -> do |
304 |
infoM "Clients" $ show clID ++ " is admin" |
|
305 |
foldM processAction (clID, serverInfo, adjust (\cl -> cl{logonPassed = True, isAdministrator = True}) clID clients, rooms) [MoveToLobby, AnswerThisClient ["ADMIN_ACCESS"]] |
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308 |
processAction (clID, serverInfo, clients, rooms) (MoveToLobby) = do |
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309 |
foldM processAction (clID, serverInfo, clients, rooms) $ |
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(RoomAddThisClient 0) |
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311 |
: answerLobbyNicks |
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312 |
-- ++ (answerServerMessage client clients) |
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|
313 |
where |
1846 | 314 |
lobbyNicks = Prelude.map nick $ Prelude.filter logonPassed $ elems clients |
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315 |
answerLobbyNicks = if not $ Prelude.null lobbyNicks then |
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316 |
[AnswerThisClient (["LOBBY:JOINED"] ++ lobbyNicks)] |
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|
317 |
else |
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318 |
[] |
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|
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|
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|
320 |
|
1862 | 321 |
processAction (clID, serverInfo, clients, rooms) (KickClient kickID) = do |
1879 | 322 |
liftM2 replaceID (return clID) (processAction (kickID, serverInfo, clients, rooms) $ ByeClient "Kicked") |
323 |
||
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|
324 |
|
1921 | 325 |
processAction (clID, serverInfo, clients, rooms) (BanClient banNick) = do |
326 |
return (clID, serverInfo, clients, rooms) |
|
327 |
||
1879 | 328 |
|
329 |
processAction (clID, serverInfo, clients, rooms) (KickRoomClient kickID) = do |
|
330 |
writeChan (sendChan $ clients ! kickID) ["KICKED"] |
|
331 |
liftM2 replaceID (return clID) (processAction (kickID, serverInfo, clients, rooms) $ RoomRemoveThisClient) |
|
332 |
||
333 |
||
334 |
processAction (clID, serverInfo, clients, rooms) (RemoveClientTeams teamsClID) = do |
|
335 |
liftM2 replaceID (return clID) $ |
|
336 |
foldM processAction (teamsClID, serverInfo, clients, rooms) $ removeTeamsActions |
|
337 |
where |
|
338 |
client = clients ! teamsClID |
|
339 |
room = rooms ! (roomID client) |
|
340 |
teamsToRemove = Prelude.filter (\t -> teamowner t == nick client) $ teams room |
|
341 |
removeTeamsActions = Prelude.map (RemoveTeam . teamname) teamsToRemove |
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parents:
1925
diff
changeset
|
342 |
|
cb46fbdcaa41
Add simple DoS protection mechanism (although better than previous server had)
unc0rr
parents:
1925
diff
changeset
|
343 |
|
cb46fbdcaa41
Add simple DoS protection mechanism (although better than previous server had)
unc0rr
parents:
1925
diff
changeset
|
344 |
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
|
345 |
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
|
346 |
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
|
347 |
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
|
348 |
|
cb46fbdcaa41
Add simple DoS protection mechanism (although better than previous server had)
unc0rr
parents:
1925
diff
changeset
|
349 |
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
|
350 |
|
1931 | 351 |
if isJust $ host client `Prelude.lookup` newLogins then |
352 |
processAction (clID, serverInfo{lastLogins = newLogins}, updatedClients, rooms) $ ByeClient "Reconnected too fast" |
|
353 |
else |
|
354 |
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
|
355 |
|
e2031906a347
Ping clients every 30 seconds. Disconnection due to ping timeout to be implemented.
unc0rr
parents:
1926
diff
changeset
|
356 |
|
e2031906a347
Ping clients every 30 seconds. Disconnection due to ping timeout to be implemented.
unc0rr
parents:
1926
diff
changeset
|
357 |
processAction (clID, serverInfo, clients, rooms) PingAll = do |
1928 | 358 |
(_, _, 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
|
359 |
processAction (clID, |
e2031906a347
Ping clients every 30 seconds. Disconnection due to ping timeout to be implemented.
unc0rr
parents:
1926
diff
changeset
|
360 |
serverInfo, |
1928 | 361 |
Data.IntMap.map (\cl -> cl{pingsQueue = pingsQueue cl + 1}) newClients, |
362 |
newRooms) $ AnswerAll ["PING"] |
|
363 |
where |
|
364 |
kickTimeouted (clID, serverInfo, clients, rooms) client = |
|
365 |
if pingsQueue client > 0 then |
|
366 |
processAction (clientUID client, serverInfo, clients, rooms) $ ByeClient "Ping timeout" |
|
367 |
else |
|
368 |
return (clID, serverInfo, clients, rooms) |