diff -r 2ca76a7f3121 -r 6aee2f335726 netserver/HWProto.hs
--- a/netserver/HWProto.hs	Thu May 01 14:30:12 2008 +0000
+++ b/netserver/HWProto.hs	Thu May 01 15:14:32 2008 +0000
@@ -5,11 +5,12 @@
 import Miscutils
 import Maybe (fromMaybe)
 
-handleCmd :: ClientInfo -> [ClientInfo] -> [RoomInfo] -> [String] -> (ClientInfo, [RoomInfo], [ClientInfo], [String])
-handleCmd_noInfo :: ClientInfo -> [ClientInfo] -> [RoomInfo] -> [String] -> (ClientInfo, [RoomInfo], [ClientInfo], [String])
-handleCmd_noRoom :: ClientInfo -> [ClientInfo] -> [RoomInfo] -> [String] -> (ClientInfo, [RoomInfo], [ClientInfo], [String])
+fromRoom :: String -> [ClientInfo] -> [ClientInfo]
+fromRoom roomName clients = filter (\cl -> roomName == room cl) clients
 
 -- 'noInfo' clients state command handlers
+handleCmd_noInfo :: ClientInfo -> [ClientInfo] -> [RoomInfo] -> [String] -> (ClientInfo, [RoomInfo], [ClientInfo], [String])
+
 handleCmd_noInfo client clients rooms ("NICK":newNick:[]) =
 	if not . null $ nick client then
 		(client, rooms, [client], ["ERROR", "The nick already chosen"])
@@ -35,18 +36,42 @@
 
 
 -- 'noRoom' clients state command handlers
---handleCmd_noRoom client clients rooms ("CREATE":newRoom:[]) =
+handleCmd_noRoom :: ClientInfo -> [ClientInfo] -> [RoomInfo] -> [String] -> (ClientInfo, [RoomInfo], [ClientInfo], [String])
+
+handleCmd_noRoom client clients rooms ("CREATE":newRoom:roomPassword:[]) =
+	if haveSameRoom then
+		(client, rooms, [client], ["WARNING", "There's already a room with that name"])
+	else
+		(client{room = newRoom, isMaster = True}, (RoomInfo newRoom roomPassword):rooms, [client], ["JOIN", newRoom, nick client])
+	where
+		haveSameRoom = not . null $ filter (\room -> newRoom == name room) rooms
+
+handleCmd_noRoom client clients rooms ("CREATE":newRoom:[]) =
+	handleCmd_noRoom client clients rooms ["CREATE", newRoom, ""]
+
+handleCmd_noRoom client clients rooms ("JOIN":roomName:roomPassword:[]) =
+	if noRoom then
+		(client, rooms, [client], ["WARNING", "There's no room with that name"])
+	else
+		(client{room = roomName}, rooms, client : fromRoom roomName clients, ["JOIN", roomName, nick client])
+	where
+		noRoom = null $ filter (\room -> roomName == name room) rooms
+
+handleCmd_noRoom client clients rooms ("JOIN":roomName:[]) =
+	handleCmd_noRoom client clients rooms ["JOIN", roomName, ""]
 
 handleCmd_noRoom client _ rooms _ = (client, rooms, [client], ["ERROR", "Bad command or incorrect parameter"])
-	
+
+-- state-independent comman handlers	
+handleCmd :: ClientInfo -> [ClientInfo] -> [RoomInfo] -> [String] -> (ClientInfo, [RoomInfo], [ClientInfo], [String])
 
 handleCmd client clients rooms ("QUIT":xs) =
 	if null (room client) then
 		(client, rooms, [client], ["QUIT"])
 	else
-		(client, rooms, clients, ["QUIT", nick client])
+		(client, rooms, fromRoom (room client) clients, ["QUIT", nick client])
 
-
+-- check state and call state-dependent commmand handlers
 handleCmd client clients rooms cmd =
 	if null (nick client) || protocol client == 0 then
 		handleCmd_noInfo client clients rooms cmd