RosettaCodeData/Task/Hello-world-Web-server/Haskell/hello-world-web-server-2.hs

16 lines
553 B
Haskell

{-# LANGUAGE OverloadedStrings #-}
import Data.ByteString.Char8 ()
import Network hiding ( accept )
import Network.Socket ( accept )
import Network.Socket.ByteString ( sendAll )
import Control.Monad ( forever )
import Control.Exception ( bracket, finally )
import Control.Concurrent ( forkIO )
main :: IO ()
main = bracket (listenOn $ PortNumber 8080) sClose loop where
loop s = forever $ forkIO . request . fst =<< accept s
request c = sendAll c response `finally` sClose c
response = "HTTP/1.0 200 OK\nContent-Length: 16\n\nGoodbye, World!\n"