gameServer/Utils.hs
author jose1711
Sat, 08 Oct 2011 16:54:56 +0200
changeset 6101 5a4ea2c7b9df
parent 6068 e18713ecf1e0
child 6191 190a8e5d9956
permissions -rw-r--r--
merge
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
4295
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
     1
{-# LANGUAGE OverloadedStrings #-}
1804
4e78ad846fb6 New game server:
unc0rr
parents:
diff changeset
     2
module Utils where
4e78ad846fb6 New game server:
unc0rr
parents:
diff changeset
     3
4e78ad846fb6 New game server:
unc0rr
parents:
diff changeset
     4
import Data.Char
4e78ad846fb6 New game server:
unc0rr
parents:
diff changeset
     5
import Data.Word
4e78ad846fb6 New game server:
unc0rr
parents:
diff changeset
     6
import qualified Data.Map as Map
2304
a6e733ad0366 Implement filtering in server
unc0rr
parents: 2150
diff changeset
     7
import qualified Data.Set as Set
1917
c94045b70142 - Better ip2string implementation
unc0rr
parents: 1804
diff changeset
     8
import Numeric
c94045b70142 - Better ip2string implementation
unc0rr
parents: 1804
diff changeset
     9
import Network.Socket
1964
dc9ea05c9d2f - Another way of defining official server
unc0rr
parents: 1953
diff changeset
    10
import System.IO
1917
c94045b70142 - Better ip2string implementation
unc0rr
parents: 1804
diff changeset
    11
import qualified Data.List as List
2349
ba7a0813c532 Some fixes suggested by hlint
unc0rr
parents: 2310
diff changeset
    12
import Control.Monad
1804
4e78ad846fb6 New game server:
unc0rr
parents:
diff changeset
    13
import qualified Codec.Binary.Base64 as Base64
5030
42746c5d4a80 Changed the standard show function to Text.Show.ByteString, and misc.
EJ <eivind.jahren@gmail.com>
parents: 4975
diff changeset
    14
import qualified Data.ByteString.Lazy as BL
42746c5d4a80 Changed the standard show function to Text.Show.ByteString, and misc.
EJ <eivind.jahren@gmail.com>
parents: 4975
diff changeset
    15
import qualified Text.Show.ByteString as BS
4295
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    16
import qualified Data.ByteString.Char8 as B
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    17
import qualified Data.ByteString as BW
4975
31da8979e5b1 Use Data.TConfig to read and store server config in hedgewars.ini (a little bit of hate to the author for not exporting Conf type)
unc0rr
parents: 4972
diff changeset
    18
-------------------------------------------------
1804
4e78ad846fb6 New game server:
unc0rr
parents:
diff changeset
    19
import CoreTypes
4e78ad846fb6 New game server:
unc0rr
parents:
diff changeset
    20
1917
c94045b70142 - Better ip2string implementation
unc0rr
parents: 1804
diff changeset
    21
4295
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    22
sockAddr2String :: SockAddr -> IO B.ByteString
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    23
sockAddr2String (SockAddrInet _ hostAddr) = liftM B.pack $ inet_ntoa hostAddr
1917
c94045b70142 - Better ip2string implementation
unc0rr
parents: 1804
diff changeset
    24
sockAddr2String (SockAddrInet6 _ _ (a, b, c, d) _) =
4295
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    25
    return $ B.pack $ (foldr1 (.)
4932
f11d80bac7ed - Take into account hlint suggestions
unc0rr
parents: 4921
diff changeset
    26
        $ List.intersperse (':':)
f11d80bac7ed - Take into account hlint suggestions
unc0rr
parents: 4921
diff changeset
    27
        $ concatMap (\n -> (\(a0, a1) -> [showHex a0, showHex a1]) $ divMod n 65536) [a, b, c, d]) []
1917
c94045b70142 - Better ip2string implementation
unc0rr
parents: 1804
diff changeset
    28
1804
4e78ad846fb6 New game server:
unc0rr
parents:
diff changeset
    29
maybeRead :: Read a => String -> Maybe a
4e78ad846fb6 New game server:
unc0rr
parents:
diff changeset
    30
maybeRead s = case reads s of
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2747
diff changeset
    31
    [(x, rest)] | all isSpace rest -> Just x
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2747
diff changeset
    32
    _         -> Nothing
1804
4e78ad846fb6 New game server:
unc0rr
parents:
diff changeset
    33
4295
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    34
teamToNet :: TeamInfo -> [B.ByteString]
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    35
teamToNet team =
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    36
        "ADD_TEAM"
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    37
        : teamname team
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    38
        : teamgrave team
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    39
        : teamfort team
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    40
        : teamvoicepack team
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    41
        : teamflag team
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    42
        : teamowner team
5030
42746c5d4a80 Changed the standard show function to Text.Show.ByteString, and misc.
EJ <eivind.jahren@gmail.com>
parents: 4975
diff changeset
    43
        : (showB . difficulty $ team)
4295
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    44
        : hhsInfo
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2747
diff changeset
    45
    where
4932
f11d80bac7ed - Take into account hlint suggestions
unc0rr
parents: 4921
diff changeset
    46
        hhsInfo = concatMap (\(HedgehogInfo n hat) -> [n, hat]) $ hedgehogs team
1804
4e78ad846fb6 New game server:
unc0rr
parents:
diff changeset
    47
4e78ad846fb6 New game server:
unc0rr
parents:
diff changeset
    48
modifyTeam :: TeamInfo -> RoomInfo -> RoomInfo
4e78ad846fb6 New game server:
unc0rr
parents:
diff changeset
    49
modifyTeam team room = room{teams = replaceTeam team $ teams room}
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2747
diff changeset
    50
    where
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2747
diff changeset
    51
    replaceTeam _ [] = error "modifyTeam: no such team"
4932
f11d80bac7ed - Take into account hlint suggestions
unc0rr
parents: 4921
diff changeset
    52
    replaceTeam tm (t:ts) =
f11d80bac7ed - Take into account hlint suggestions
unc0rr
parents: 4921
diff changeset
    53
        if teamname tm == teamname t then
f11d80bac7ed - Take into account hlint suggestions
unc0rr
parents: 4921
diff changeset
    54
            tm : ts
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2747
diff changeset
    55
        else
4932
f11d80bac7ed - Take into account hlint suggestions
unc0rr
parents: 4921
diff changeset
    56
            t : replaceTeam tm ts
1804
4e78ad846fb6 New game server:
unc0rr
parents:
diff changeset
    57
4295
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    58
illegalName :: B.ByteString -> Bool
5269
e32fc0fcaad0 Implement testing for illegal characters
unc0rr
parents: 5060
diff changeset
    59
illegalName s = B.null s || B.all isSpace s || isSpace (B.head s) || isSpace (B.last s) || B.any isIllegalChar s
e32fc0fcaad0 Implement testing for illegal characters
unc0rr
parents: 5060
diff changeset
    60
    where
e32fc0fcaad0 Implement testing for illegal characters
unc0rr
parents: 5060
diff changeset
    61
        isIllegalChar c = c `List.elem` "$()*+?[]^{|}"
2150
45b695f3a7b9 Forbid room names and nicknames consisting only of space characters
unc0rr
parents: 2113
diff changeset
    62
4295
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    63
protoNumber2ver :: Word16 -> B.ByteString
4569
a835465b4fd2 Convert function to a map
unc0rr
parents: 4337
diff changeset
    64
protoNumber2ver v = Map.findWithDefault "Unknown" v vermap
a835465b4fd2 Convert function to a map
unc0rr
parents: 4337
diff changeset
    65
    where
a835465b4fd2 Convert function to a map
unc0rr
parents: 4337
diff changeset
    66
        vermap = Map.fromList [
4936
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    67
            (17, "0.9.7-dev")
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    68
            , (19, "0.9.7")
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    69
            , (20, "0.9.8-dev")
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    70
            , (21, "0.9.8")
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    71
            , (22, "0.9.9-dev")
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    72
            , (23, "0.9.9")
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    73
            , (24, "0.9.10-dev")
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    74
            , (25, "0.9.10")
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    75
            , (26, "0.9.11-dev")
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    76
            , (27, "0.9.11")
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    77
            , (28, "0.9.12-dev")
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    78
            , (29, "0.9.12")
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    79
            , (30, "0.9.13-dev")
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    80
            , (31, "0.9.13")
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    81
            , (32, "0.9.14-dev")
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    82
            , (33, "0.9.14")
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    83
            , (34, "0.9.15-dev")
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    84
            , (35, "0.9.14.1")
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    85
            , (37, "0.9.15")
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    86
            , (38, "0.9.16-dev")
5880
a6573cc5903e Add 0.9.16 and 0.9.17-dev version info to server
unc0rr
parents: 5269
diff changeset
    87
            , (39, "0.9.16")
a6573cc5903e Add 0.9.16 and 0.9.17-dev version info to server
unc0rr
parents: 5269
diff changeset
    88
            , (40, "0.9.17-dev")
4936
d65d438acd23 Merge MAP, MAPGEN and SEED params into one on room join, so engine isn't spawned three times for a preview. Not tested as I'm unable to see my rooms (why?)
unc0rr
parents: 4932
diff changeset
    89
            ]
1804
4e78ad846fb6 New game server:
unc0rr
parents:
diff changeset
    90
4921
2efad3acbb74 Fix build of official server
unc0rr
parents: 4904
diff changeset
    91
askFromConsole :: B.ByteString -> IO B.ByteString
1964
dc9ea05c9d2f - Another way of defining official server
unc0rr
parents: 1953
diff changeset
    92
askFromConsole msg = do
4921
2efad3acbb74 Fix build of official server
unc0rr
parents: 4904
diff changeset
    93
    B.putStr msg
2867
9be6693c78cb - Unbreak support for client versions prior to 0.9.13-dev
unc0rr
parents: 2747
diff changeset
    94
    hFlush stdout
4921
2efad3acbb74 Fix build of official server
unc0rr
parents: 4904
diff changeset
    95
    B.getLine
4295
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    96
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    97
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    98
unfoldrE :: (b -> Either b (a, b)) -> b -> ([a], b)
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
    99
unfoldrE f b  =
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
   100
    case f b of
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
   101
        Right (a, new_b) -> let (a', b') = unfoldrE f new_b in (a : a', b')
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
   102
        Left new_b       -> ([], new_b)
1f5604cd99be This revision should, in theory, correctly merge 0.9.14 and tip, so that future merges of 0.9.14 should work properly
nemo
parents: 4242
diff changeset
   103
5030
42746c5d4a80 Changed the standard show function to Text.Show.ByteString, and misc.
EJ <eivind.jahren@gmail.com>
parents: 4975
diff changeset
   104
showB :: (BS.Show a) => a -> B.ByteString
42746c5d4a80 Changed the standard show function to Text.Show.ByteString, and misc.
EJ <eivind.jahren@gmail.com>
parents: 4975
diff changeset
   105
showB = B.concat . BL.toChunks . BS.show
42746c5d4a80 Changed the standard show function to Text.Show.ByteString, and misc.
EJ <eivind.jahren@gmail.com>
parents: 4975
diff changeset
   106
42746c5d4a80 Changed the standard show function to Text.Show.ByteString, and misc.
EJ <eivind.jahren@gmail.com>
parents: 4975
diff changeset
   107
readInt_ :: (Num a) => B.ByteString -> a
42746c5d4a80 Changed the standard show function to Text.Show.ByteString, and misc.
EJ <eivind.jahren@gmail.com>
parents: 4975
diff changeset
   108
readInt_ str =
42746c5d4a80 Changed the standard show function to Text.Show.ByteString, and misc.
EJ <eivind.jahren@gmail.com>
parents: 4975
diff changeset
   109
  case B.readInt str of
42746c5d4a80 Changed the standard show function to Text.Show.ByteString, and misc.
EJ <eivind.jahren@gmail.com>
parents: 4975
diff changeset
   110
       Just (i, t) | B.null t -> fromIntegral i
42746c5d4a80 Changed the standard show function to Text.Show.ByteString, and misc.
EJ <eivind.jahren@gmail.com>
parents: 4975
diff changeset
   111
       _                      -> 0 
5060
7d0f6e5b1c1c Hide last two octets of IP address from usual users
unc0rr
parents: 5030
diff changeset
   112
7d0f6e5b1c1c Hide last two octets of IP address from usual users
unc0rr
parents: 5030
diff changeset
   113
cutHost :: B.ByteString -> B.ByteString
7d0f6e5b1c1c Hide last two octets of IP address from usual users
unc0rr
parents: 5030
diff changeset
   114
cutHost = B.intercalate "." .  flip (++) ["*","*"] . List.take 2 . B.split '.'