gameServer/ConfigFile.hs
author unc0rr
Thu, 01 Nov 2012 14:31:53 +0400
branch0.9.18
changeset 7916 be11c26a3a0b
parent 5009 12135f659bf1
child 8401 87410ae372f6
permissions -rw-r--r--
Fix 0.9.18 desync: CreateNetGame() slot creates signal-slot connections from hwnet to hwgame. The problem is that this slot is called asynchronously using queued connection, and hwnet could send some signals to hwgame before hwgame object is created and connected. Changed this to direct connection. Also changed connections to hwgame object to queued, but this is unrelated. Sorry, it is frontend patch. Maybe a little delay on server side could help, but not much, as tcp packets could get glued on client's side, and that greately depends on pc and internet connection performance. Frontend should be reworked to be safe for queued connections, as it is extemely dangerous to have a mix of queued/direct connections.

{-# LANGUAGE RankNTypes #-}
module ConfigFile where

import Data.Maybe
import Data.TConfig
import qualified Data.ByteString.Char8 as B
-------------------
import CoreTypes

cfgFileName :: String
cfgFileName = "hedgewars-server.ini"


readServerConfig :: ServerInfo -> IO ServerInfo
readServerConfig serverInfo' = do
    cfg <- readConfig cfgFileName
    let si = serverInfo'{
        dbHost = value "dbHost" cfg
        , dbName = value "dbName" cfg
        , dbLogin = value "dbLogin" cfg
        , dbPassword = value "dbPassword" cfg
        , serverMessage = value "sv_message" cfg
        , serverMessageForOldVersions = value "sv_messageOld" cfg
        , bans = read . fromJust2 "bans" $ getValue "bans" cfg
        , latestReleaseVersion = read . fromJust $ getValue "sv_latestProto" cfg
        , serverConfig = Just cfg
    }
    return si
    where
        value n c = B.pack . fromJust2 n $ getValue n c
        fromJust2 n Nothing = error $ "Missing config entry " ++ n
        fromJust2 _ (Just a) = a


writeServerConfig :: ServerInfo -> IO ()
writeServerConfig ServerInfo{serverConfig = Nothing} = return ()
writeServerConfig ServerInfo{
    dbHost = dh,
    dbName = dn,
    dbLogin = dl,
    dbPassword = dp,
    serverMessage = sm,
    serverMessageForOldVersions = smo,
    bans = b,
    latestReleaseVersion = ver,
    serverConfig = Just cfg}
        =
    writeConfig cfgFileName $ foldl1 (.) entries cfg
    where
        entries =
            repConfig "sv_latestProto" (show ver)
            : repConfig "bans" (show b)
            : map (\(n, v) -> repConfig n (B.unpack v)) [
            ("dbHost", dh)
            , ("dbName", dn)
            , ("dbLogin", dl)
            , ("dbPassword", dp)
            , ("sv_message", sm)
            , ("sv_messageOld", smo)
            ]