wizard-wipeout/src-server/Server/Communication.hs
2023-12-09 14:11:37 +01:00

34 lines
742 B
Haskell

module Server.Communication where
import Control.Monad
import Network.Socket
import System.Posix.Signals
-- internal imports
import Server.Util
bindSocket :: FilePath -> IO Socket
bindSocket path = do
let sockAddr = SockAddrUnix path
unless (isSupportedSockAddr sockAddr)
(error $ "invalid socket path " <> path)
removeIfExists path
sock <- socket AF_UNIX Stream 0
bind sock sockAddr
pure sock
dropSocketOnSigint :: Socket -> IO ()
dropSocketOnSigint sock =
void $ installHandler
keyboardSignal
(CatchOnce $ do
(SockAddrUnix path) <- getSocketName sock
close' sock
removeIfExists path
-- Raise SIGINT again so it does not get blocked
raiseSignal keyboardSignal
)
Nothing