Scrap SchemeMapper

[Lucu.git] / Network / HTTP / Lucu / Interaction.hs

diff --git a/Network/HTTP/Lucu/Interaction.hs b/Network/HTTP/Lucu/Interaction.hs
index df5e2302d21b16da302ce833bd849a2d1a068766..0f3e7bfeae5492a73edddd387528d9368dca57e8 100644 (file)
--- a/Network/HTTP/Lucu/Interaction.hs
+++ b/Network/HTTP/Lucu/Interaction.hs
@@ -1,5 +1,6 @@
 {-# LANGUAGE
-    DeriveDataTypeable
+    CPP
+  , DeriveDataTypeable
   , ExistentialQuantification
   , OverloadedStrings
   , RecordWildCards
@@ -8,6 +9,7 @@
 module Network.HTTP.Lucu.Interaction
     ( Interaction(..)
     , SomeInteraction(..)
+    , EndOfInteraction(..)
 
     , SyntacticallyInvalidInteraction(..)
     , mkSyntacticallyInvalidInteraction
@@ -23,7 +25,6 @@ module Network.HTTP.Lucu.Interaction
     , InteractionQueue
     , mkInteractionQueue
 
-    , setResponseStatus
     , getCurrentDate
     )
     where
@@ -31,7 +32,7 @@ import Blaze.ByteString.Builder (Builder)
 import Control.Applicative
 import Control.Concurrent.STM
 import Data.Ascii (Ascii)
-import qualified Data.ByteString as Strict
+import Data.ByteString (ByteString)
 import Data.Monoid.Unicode
 import Data.Sequence (Seq)
 import Data.Time
@@ -44,7 +45,10 @@ import Network.HTTP.Lucu.Headers
 import Network.HTTP.Lucu.Preprocess
 import Network.HTTP.Lucu.Request
 import Network.HTTP.Lucu.Response
+import Network.HTTP.Lucu.Utils
+#if defined(HAVE_SSL)
 import OpenSSL.X509
+#endif
 
 class Typeable i ⇒ Interaction i where
     toInteraction ∷ i → SomeInteraction
@@ -61,6 +65,13 @@ instance Interaction SomeInteraction where
     toInteraction   = id
     fromInteraction = Just
 
+-- |'EndOfInteraction' is an 'Interaction' indicating the end of
+-- (possibly pipelined) requests. The connection has already been
+-- closed so no need to reply anything.
+data EndOfInteraction = EndOfInteraction
+    deriving Typeable
+instance Interaction EndOfInteraction
+
 -- |'SyntacticallyInvalidInteraction' is an 'Interaction' without even
 -- a syntactically valid 'Request'. The response code will always be
 -- 'BadRequest'.
@@ -132,14 +143,16 @@ data NormalInteraction
     = NI {
         niConfig           ∷ !Config
       , niRemoteAddr       ∷ !SockAddr
+#if defined(HAVE_SSL)
       , niRemoteCert       ∷ !(Maybe X509)
+#endif
       , niRequest          ∷ !Request
-      , niResourcePath     ∷ ![Strict.ByteString]
+      , niResourcePath     ∷ !Path
       , niExpectedContinue ∷ !Bool
       , niReqBodyLength    ∷ !(Maybe RequestBodyLength)
 
       , niReceiveBodyReq   ∷ !(TMVar ReceiveBodyRequest)
-      , niReceivedBody     ∷ !(TMVar Strict.ByteString)
+      , niReceivedBody     ∷ !(TMVar ByteString)
 
       , niResponse         ∷ !(TVar Response)
       , niSendContinue     ∷ !(TMVar Bool)
@@ -147,6 +160,7 @@ data NormalInteraction
       , niWillDiscardBody  ∷ !(TVar Bool)
       , niWillClose        ∷ !(TVar Bool)
       , niResponseHasCType ∷ !(TVar Bool)
+      -- FIXME: use TBChan Builder (in stm-chans package)
       , niBodyToSend       ∷ !(TMVar Builder)
 
       , niState            ∷ !(TVar InteractionState)
@@ -171,11 +185,17 @@ data InteractionState
 
 mkNormalInteraction ∷ Config
                     → SockAddr
+#if defined(HAVE_SSL)
                     → Maybe X509
+#endif
                     → AugmentedRequest
-                    → [Strict.ByteString]
+                    → Path
                     → IO NormalInteraction
+#if defined(HAVE_SSL)
 mkNormalInteraction config remoteAddr remoteCert (AugmentedRequest {..}) rsrcPath
+#else
+mkNormalInteraction config remoteAddr (AugmentedRequest {..}) rsrcPath
+#endif
     = do receiveBodyReq   ← newEmptyTMVarIO
          receivedBody     ← newEmptyTMVarIO
 
@@ -191,7 +211,9 @@ mkNormalInteraction config remoteAddr remoteCert (AugmentedRequest {..}) rsrcPat
          return NI {
                   niConfig           = config
                 , niRemoteAddr       = remoteAddr
+#if defined(HAVE_SSL)
                 , niRemoteCert       = remoteCert
+#endif
                 , niRequest          = arRequest
                 , niResourcePath     = rsrcPath
                 , niExpectedContinue = arExpectedContinue
@@ -216,13 +238,5 @@ type InteractionQueue = TVar (Seq SomeInteraction)
 mkInteractionQueue ∷ IO InteractionQueue
 mkInteractionQueue = newTVarIO (∅)
 
-setResponseStatus ∷ StatusCode sc ⇒ NormalInteraction → sc → STM ()
-setResponseStatus (NI {..}) sc
-    = do res ← readTVar niResponse
-         let res' = res {
-                      resStatus = fromStatusCode sc
-                    }
-         writeTVar niResponse res'
-
 getCurrentDate ∷ IO Ascii
 getCurrentDate = HTTP.toAscii <$> getCurrentTime