fixes file descriptor leak

src/Application.hs

@@ -301,23 +301,27 @@ startWeb foundation = do
             runLog $ $logInfo $ [i|Launching Tor Web Server on port #{torPort}|]
             torAction <- async $ runSettings (warpSettings torPort foundation) app
             runLog $ $logInfo $ [i|Launching Web Server on port #{appPort}|]
-            action <- if sslAuto
-                then async $ runTLS (tlsSettings sslCertLocation sslKeyLocation) (warpSettings appPort foundation) app
-                else async $ runSettings (warpSettings appPort foundation) app
-            let actions = (action, torAction)
+            action <- async $ if sslAuto
+                then runTLS (tlsSettings sslCertLocation sslKeyLocation) (warpSettings appPort foundation) app
+                else runSettings (warpSettings appPort foundation) app
 
-            setWebProcessThreadId (join (***) asyncThreadId actions) foundation
-            (clearRes, torRes) <- both waitCatch actions
-            case clearRes of
-                Left e -> do
-                    putStr @Text "Clearnet ServerError: "
-                    print e
-                Right _ -> pure ()
-            case torRes of
-                Left e -> do
-                    putStr @Text "Tor ServerError: "
-                    print e
-                Right _ -> pure ()
+            setWebProcessThreadId (asyncThreadId action, asyncThreadId torAction) foundation
+            res <- waitEitherCatchCancel action torAction
+            case res of
+                Left clearRes -> case clearRes of
+                    Left e -> do
+                        putStr @Text "Clearnet ServerError: "
+                        print e
+                    Right _ -> do
+                        putStrLn @Text "Clearnet Server Exited"
+                        void $ swapMVar (appShouldRestartWeb foundation) True
+                Right torRes -> case torRes of
+                    Left e -> do
+                        putStr @Text "Tor ServerError: "
+                        print e
+                    Right _ -> do
+                        putStrLn @Text "Tor Server Exited"
+                        void $ swapMVar (appShouldRestartWeb foundation) True
             shouldRestart <- takeMVar (appShouldRestartWeb foundation)
             when shouldRestart $ do
                 putMVar (appShouldRestartWeb foundation) False

stack.yaml

@@ -44,6 +44,11 @@ extra-deps:
   - esqueleto-3.5.1.0
   - monad-logger-extras-0.1.1.1
   - wai-request-spec-0.10.2.4
+  - git: https://github.com/ProofOfKeags/wai
+    commit: 2eef8506c7eec67fa5c1be0e0470a38e277ab5d8
+    subdirs:
+      - warp
+      - warp-tls
 # Override default flag values for local packages and extra-deps
 # flags: {}