http server scaffolding

1 files changed, 26 insertions, 0 deletions

diff --git a/Server.hs b/Server.hs
new file mode 100644
index 0000000..5d919b8
--- /dev/null
+++ b/Server.hs
@@ -0,0 +1,26 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module Server where
+
+import CmdLine
+
+import Network.Wai
+import Network.Wai.Handler.Warp
+import Network.Wai.Handler.WebSockets
+import qualified Network.WebSockets as WS
+import Network.HTTP.Types
+import Data.Text (Text)
+
+server :: ServerOpts -> IO ()
+server o = run (serverPort o) app
+
+app :: Application
+app = websocketsOr WS.defaultConnectionOptions websocketApp webapp
+  where
+	webapp _ respond = respond $
+		responseLBS status400 [] "Not a WebSocket request"
+
+websocketApp :: WS.ServerApp
+websocketApp pending_conn = do
+	conn <- WS.acceptRequest pending_conn
+	WS.sendTextData conn ("Hello, client!" :: Text)