--- a/netserver/HWProto.hs Sun Oct 05 16:38:26 2008 +0000
+++ b/netserver/HWProto.hs Sun Oct 05 23:22:14 2008 +0000
@@ -6,15 +6,32 @@
import Miscutils
import Maybe (fromMaybe, fromJust)
+answerBadCmd = [(clientOnly, ["ERROR", "Bad command, state or incorrect parameter"])]
+answerQuit = [(clientOnly, ["QUIT"])]
+answerAbandoned = [(sameRoom, ["ROOMABANDONED"])]
+answerQuitInform nick = [(sameRoom, ["QUIT", nick])]
+answerNickChosen = [(clientOnly, ["ERROR", "The nick already chosen"])]
+answerNickChooseAnother = [(clientOnly, ["WARNING", "Choose another nick"])]
+answerNick nick = [(clientOnly, ["NICK", nick])]
+answerProtocolKnown = [(clientOnly, ["ERROR", "Protocol number already known"])]
+answerBadInput = [(clientOnly, ["ERROR", "Bad input"])]
+answerProto protoNum = [(clientOnly, ["PROTO", show protoNum])]
+answerRoomsList list = [(clientOnly, ["ROOMS"] ++ list)]
+answerRoomExists = [(clientOnly, ["WARNING", "There's already a room with that name"])]
+answerJoined nick = [(sameRoom, ["JOINED", nick])]
+answerNoRoom = [(clientOnly, ["WARNING", "There's no room with that name"])]
+answerWrongPassword = [(clientOnly, ["WARNING", "Wrong password"])]
+answerChatString nick msg = [(othersInRoom, ["CHAT_STRING", nick, msg])]
+
-- Main state-independent cmd handler
handleCmd :: CmdHandler
handleCmd client _ rooms ("QUIT":xs) =
if null (room client) then
- (noChangeClients, noChangeRooms, clientOnly, ["QUIT"])
+ (noChangeClients, noChangeRooms, answerQuit)
else if isMaster client then
- (noChangeClients, removeRoom (room client), sameRoom, ["ROOMABANDONED"]) -- core disconnects clients on ROOMABANDONED command
+ (noChangeClients, removeRoom (room client), (answerQuitInform $ nick client) ++ answerAbandoned) -- core disconnects clients on ROOMABANDONED answer
else
- (noChangeClients, noChangeRooms, sameRoom, ["QUIT", nick client])
+ (noChangeClients, noChangeRooms, answerQuitInform $ nick client)
-- check state and call state-dependent commmand handlers
handleCmd client clients rooms cmd =
@@ -29,36 +46,36 @@
handleCmd_noInfo :: CmdHandler
handleCmd_noInfo client clients _ ["NICK", newNick] =
if not . null $ nick client then
- (noChangeClients, noChangeRooms, clientOnly, ["ERROR", "The nick already chosen"])
+ (noChangeClients, noChangeRooms, answerNickChosen)
else if haveSameNick then
- (noChangeClients, noChangeRooms, clientOnly, ["WARNING", "Choose another nick"])
+ (noChangeClients, noChangeRooms, answerNickChooseAnother)
else
- (modifyClient client{nick = newNick}, noChangeRooms, clientOnly, ["NICK", newNick])
+ (modifyClient client{nick = newNick}, noChangeRooms, answerNick newNick)
where
haveSameNick = not . null $ filter (\cl -> newNick == nick cl) clients
handleCmd_noInfo client _ _ ["PROTO", protoNum] =
if protocol client > 0 then
- (noChangeClients, noChangeRooms, clientOnly, ["ERROR", "Protocol number already known"])
+ (noChangeClients, noChangeRooms, answerProtocolKnown)
else if parsedProto == 0 then
- (noChangeClients, noChangeRooms, clientOnly, ["ERROR", "Bad input"])
+ (noChangeClients, noChangeRooms, answerBadInput)
else
- (modifyClient client{protocol = parsedProto}, noChangeRooms, clientOnly, ["PROTO", show parsedProto])
+ (modifyClient client{protocol = parsedProto}, noChangeRooms, answerProto parsedProto)
where
parsedProto = fromMaybe 0 (maybeRead protoNum :: Maybe Word16)
-handleCmd_noInfo _ _ _ _ = (noChangeClients, noChangeRooms, clientOnly, badCmd)
+handleCmd_noInfo _ _ _ _ = (noChangeClients, noChangeRooms, answerBadCmd)
-- 'noRoom' clients state command handlers
handleCmd_noRoom :: CmdHandler
handleCmd_noRoom client _ rooms ["LIST"] =
- (noChangeClients, noChangeRooms, clientOnly, ["ROOMS"] ++ map name rooms)
+ (noChangeClients, noChangeRooms, answerRoomsList $ map name rooms)
handleCmd_noRoom client _ rooms ["CREATE", newRoom, roomPassword] =
if haveSameRoom then
- (noChangeClients, noChangeRooms, clientOnly, ["WARNING", "There's already a room with that name"])
+ (noChangeClients, noChangeRooms, answerRoomExists)
else
- (modifyClient client{room = newRoom, isMaster = True}, addRoom (RoomInfo newRoom roomPassword []), clientOnly, ["JOINED", nick client])
+ (modifyClient client{room = newRoom, isMaster = True}, addRoom (RoomInfo newRoom roomPassword []), answerJoined $ nick client)
where
haveSameRoom = not . null $ filter (\room -> newRoom == name room) rooms
@@ -67,31 +84,22 @@
handleCmd_noRoom client _ rooms ["JOIN", roomName, roomPassword] =
if noSuchRoom then
- (noChangeClients, noChangeRooms, clientOnly, ["WARNING", "There's no room with that name"])
+ (noChangeClients, noChangeRooms, answerNoRoom)
else if roomPassword /= password (roomByName roomName rooms) then
- (noChangeClients, noChangeRooms, clientOnly, ["WARNING", "Wrong password"])
+ (noChangeClients, noChangeRooms, answerWrongPassword)
else
- (modifyClient client{room = roomName}, noChangeRooms, fromRoom roomName, ["JOINED", nick client])
+ (modifyClient client{room = roomName}, noChangeRooms, answerJoined $ nick client)
where
noSuchRoom = null $ filter (\room -> roomName == name room) rooms
handleCmd_noRoom client clients rooms ["JOIN", roomName] =
handleCmd_noRoom client clients rooms ["JOIN", roomName, ""]
-handleCmd_noRoom _ _ _ _ = (noChangeClients, noChangeRooms, clientOnly, badCmd)
+handleCmd_noRoom _ _ _ _ = (noChangeClients, noChangeRooms, answerBadCmd)
-- 'inRoom' clients state command handlers
handleCmd_inRoom :: CmdHandler
-handleCmd_inRoom client _ _ ["CHAT_STRING", _, msg] = (noChangeClients, noChangeRooms, othersInRoom, ["CHAT_STRING", nick client, msg])
-
-handleCmd_inRoom client clients rooms ["CONFIG_PARAM", paramName, value] =
- (noChangeClients, noChangeRooms, othersInRoom, ["CONFIG_PARAM", paramName, value])
+handleCmd_inRoom client _ _ ["CHAT_STRING", _, msg] = (noChangeClients, noChangeRooms, answerChatString (nick client) msg)
-handleCmd_inRoom client clients rooms ["CONFIG_PARAM", paramName, value1, value2] =
- (noChangeClients, noChangeRooms, othersInRoom, ["CONFIG_PARAM", paramName, value1, value2])
-
-handleCmd_inRoom client clients rooms ("ADDTEAM:" : teamName : teamColor : graveName : fortName : teamLevel : hhs) =
- (noChangeClients, noChangeRooms, clientOnly, ["TEAM_ACCEPTED", teamName, "1"])
-
-handleCmd_inRoom _ _ _ _ = (noChangeClients, noChangeRooms, clientOnly, badCmd)
+handleCmd_inRoom _ _ _ _ = (noChangeClients, noChangeRooms, answerBadCmd)