fix socket file removal

src-client/Client/Communication.hs

@@ -1,6 +1,8 @@
 {-# LANGUAGE LambdaCase #-}
 module Client.Communication where
 
+import Control.Concurrent (threadDelay)
+
 import qualified Control.Concurrent.STM as STM
 
 import Control.Monad (void)
@@ -73,9 +75,9 @@ terminateGameOnSigint = do
   void $ liftIO $ installHandler
     keyboardSignal
     (CatchOnce $ do
-      void $ STM.atomically $ STM.swapTMVar serverState (clientState { clientStop = True })
+      currentState <- STM.atomically $ STM.readTMVar clientState
       threadDelay (10 ^ 6)
-      sendMessage sock (ClientMessage clientId ClientQuit)
+      sendMessage (ClientMessage clientId ClientQuit) sock
       close sock
       -- Raise SIGINT again so it does not get blocked
       raiseSignal keyboardSignal

src-client/Client/Types.hs

@@ -1,5 +1,7 @@
 module Client.Types where
 
+import qualified Control.Concurrent.STM as STM
+
 import Control.Monad.RWS
 
 import Data.UUID
@@ -28,9 +30,9 @@ data ReaderContainer = ReaderContainer
   , rcClientUUID :: UUID
   }
 
-newtype StateContainer = StateContainer
+data StateContainer = StateContainer
   { scWizard      :: Wizard
-  , scClientState :: ClientState
+  , scClientState :: STM.TMVar ClientState
   }
 
 type Game = RWST ReaderContainer String StateContainer IO

src-server/Main.hs

@@ -26,6 +26,7 @@ import Server.Communication
 import Server.Game
 import Server.Map (generateArena)
 import Server.Types
+import Server.Util
 
 main :: IO ()
 main = do
@@ -56,12 +57,13 @@ main = do
           initState = StateContainer (arenaSpawners arena) [] serverState now sockList messageQueue
       (finalState, finalWrite) <- execRWST
         (do
-          terminateGameOnSigint
+          terminateGameOnSigint setSocketPath
           runGame
         )
         initRead
         initState
-      print finalWrite
+      removeIfExists setSocketPath
+      putStrLn "bye bye"
   where
     opts = info (options <**> helper)
       ( fullDesc

src-server/Server/Communication.hs

@@ -60,24 +60,24 @@ bindSocket path = do
 
 -- | Function that installs a handler on SIGINT to terminate game
 terminateGameOnSigint
-  :: Game ()
+  :: FilePath
-terminateGameOnSigint = do
+  -> Game ()
+terminateGameOnSigint path = do
   sock <- asks rcMainSocket
   clients <- liftIO . STM.atomically . STM.readTMVar =<< gets scClientSockets
   serverState <- gets scServerState
   void $ liftIO $ installHandler
-    keyboardSignal
+    sigINT
     (CatchOnce $ do
+      putStrLn "SIGINT caught, terminating…"
       void $ STM.atomically $ STM.swapTMVar serverState (ServerState False True)
       disconnectClients clients
-      threadDelay (10 ^ 6)
-      (SockAddrUnix path) <- getSocketName sock
       close sock
       removeIfExists path
       -- Raise SIGINT again so it does not get blocked
-      raiseSignal keyboardSignal
+      raiseSignal sigINT
     )
-    Nothing
+    (Just emptySignalSet)
   where
     disconnectClients = mapM_
       (\(_, clientSocket) -> do