56 lines
1.7 KiB
Haskell
56 lines
1.7 KiB
Haskell
{-# LANGUAGE OverloadedStrings, OverlappingInstances, NoImplicitPrelude #-}
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module Main (main) where
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import qualified Data.Configurator as CF
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import ClassyPrelude hiding (try, getArgs)
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import Control.Concurrent.Lifted
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import Control.Exception.Lifted
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import Data.Configurator.Types
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import System.Environment
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import System.Exit
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import System.Posix.Signals
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import Network.IRC.Types (BotConfig(BotConfig))
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import Network.IRC.Client
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instance Configured a => Configured [a] where
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convert (List xs) = Just . mapMaybe convert $ xs
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convert _ = Nothing
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main :: IO ()
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main = do
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args <- getArgs
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prog <- getProgName
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when (length args < 1) $ do
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putStrLn $ "Usage: " ++ pack prog ++ " <config file path>"
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exitFailure
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mainThreadId <- myThreadId
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installHandler sigINT (Catch $ throwTo mainThreadId UserInterrupt) Nothing
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installHandler sigTERM (Catch $ throwTo mainThreadId UserInterrupt) Nothing
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let configFile = headEx args
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loadBotConfig configFile >>= run
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loadBotConfig :: String -> IO BotConfig
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loadBotConfig configFile = do
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eCfg <- try $ CF.load [Required configFile]
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case eCfg of
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Left (ParseError _ _) -> error "Error while loading config"
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Right cfg -> do
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eBotConfig <- try $ do
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server <- CF.require cfg "server"
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port <- CF.require cfg "port"
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channel <- CF.require cfg "channel"
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botNick <- CF.require cfg "nick"
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timeout <- CF.require cfg "timeout"
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msghandlers <- CF.require cfg "msghandlers"
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return $ BotConfig server port channel botNick timeout msghandlers cfg
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case eBotConfig of
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Left (KeyError k) -> error $ "Error while reading key from config: " ++ unpack k
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Right botConfig -> return botConfig
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