Still working on Router arrow

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

diff --git a/Network/HTTP/Lucu/RequestReader.hs b/Network/HTTP/Lucu/RequestReader.hs
index 37ab99296c2e0b7dff2eb7321e37ef6633e70a54..497db9320a0d2e87b6dc23d903bc24b213eb6246 100644 (file)
--- a/Network/HTTP/Lucu/RequestReader.hs
+++ b/Network/HTTP/Lucu/RequestReader.hs
@@ -14,24 +14,28 @@ import Control.Concurrent
 import Control.Concurrent.STM
 import Control.Exception hiding (block)
 import Control.Monad
+import Control.Monad.Trans.Maybe
 import qualified Data.Attoparsec.Lazy as LP
 import qualified Data.ByteString as Strict
 import qualified Data.ByteString.Lazy as Lazy
+import Data.Convertible.Base
+import Data.Convertible.Instances.Text ()
+import Data.Default
 import Data.List
 import Data.Maybe
 import Data.Monoid.Unicode
 import qualified Data.Sequence as S
-import qualified Data.Text as T
 import Network.HTTP.Lucu.Abortion
 import Network.HTTP.Lucu.Config
 import Network.HTTP.Lucu.Chunk
+import Network.HTTP.Lucu.Dispatcher.Internal
 import Network.HTTP.Lucu.HandleLike
 import Network.HTTP.Lucu.Interaction
 import Network.HTTP.Lucu.Preprocess
 import Network.HTTP.Lucu.Request
 import Network.HTTP.Lucu.Response
+import Network.HTTP.Lucu.Response.StatusCode
 import Network.HTTP.Lucu.Resource.Internal
-import Network.HTTP.Lucu.Resource.Tree
 import Network.HTTP.Lucu.Utils
 import Network.Socket
 import Prelude.Unicode
@@ -39,13 +43,12 @@ import System.IO (hPutStrLn, stderr)
 
 data Context h
     = Context {
-        cConfig    ∷ !Config
-      , cResTree   ∷ !ResTree
-      , cFallbacks ∷ ![FallbackHandler]
-      , cHandle    ∷ !h
-      , cPort      ∷ !PortNumber
-      , cAddr      ∷ !SockAddr
-      , cQueue     ∷ !InteractionQueue
+        cConfig  ∷ !Config
+      , cHostMap ∷ !HostMap
+      , cHandle  ∷ !h
+      , cPort    ∷ !PortNumber
+      , cAddr    ∷ !SockAddr
+      , cQueue   ∷ !InteractionQueue
       }
 
 data ChunkReceivingState
@@ -53,21 +56,19 @@ data ChunkReceivingState
     | InChunk !Int -- ^Number of remaining octets in the current
                    -- chunk. It's always positive.
 
-requestReader ∷ HandleLike h
+requestReader ∷ (HostMapper hm, HandleLike h)
               ⇒ Config
-              → ResTree
-              → [FallbackHandler]
+              → hm
               → h
               → PortNumber
               → SockAddr
               → InteractionQueue
               → IO ()
-requestReader cnf tree fbs h port addr tQueue
+requestReader cnf hm h port addr tQueue
     = do input ← hGetLBS h
-         acceptRequest (Context cnf tree fbs h port addr tQueue) input
+         acceptRequest (Context cnf (hostMap hm) h port addr tQueue) input
       `catches`
       [ Handler handleAsyncE
-      , Handler handleBIOS
       , Handler handleOthers
       ]
       `finally`
@@ -77,15 +78,12 @@ requestReader cnf tree fbs h port addr tQueue
       handleAsyncE ThreadKilled = return ()
       handleAsyncE e            = dump e
 
-      handleBIOS ∷ BlockedIndefinitelyOnSTM → IO ()
-      handleBIOS = dump
-
       handleOthers ∷ SomeException → IO ()
       handleOthers = dump
 
       dump ∷ Exception e ⇒ e → IO ()
       dump e
-          = do hPutStrLn stderr "requestReader caught an exception:"
+          = do hPutStrLn stderr "Lucu: requestReader caught an exception:"
                hPutStrLn stderr $ show e
 
 acceptRequest ∷ HandleLike h ⇒ Context h → Lazy.ByteString → IO ()
@@ -98,7 +96,7 @@ acceptRequest ctx@(Context {..}) input
          if Lazy.null input then
              return ()
          else
-             case LP.parse request input of
+             case LP.parse def input of
                LP.Done input' req → acceptParsableRequest ctx req input'
                LP.Fail _ _ _      → acceptNonparsableRequest ctx
 
@@ -113,19 +111,19 @@ acceptParsableRequest ∷ HandleLike h
                       → Lazy.ByteString
                       → IO ()
 acceptParsableRequest ctx@(Context {..}) req input
-    = do let ar = preprocess (cnfServerHost cConfig) cPort req
+    = do let ar = preprocess (cnfServerHost cConfig) cPort (hIsSSL cHandle) req
          if isError $ arInitialStatus ar then
              acceptSemanticallyInvalidRequest ctx ar input
          else
-             do rsrc ← findResource cResTree cFallbacks $ reqURI $ arRequest ar
-                case rsrc of
+             do rsrcM ← runMaybeT $ dispatch (reqURI $ arRequest ar) cHostMap
+                case rsrcM of
                   Nothing
                       → do let ar' = ar {
                                        arInitialStatus = fromStatusCode NotFound
                                      }
                            acceptSemanticallyInvalidRequest ctx ar' input
-                  Just (path, def)
-                      → acceptRequestForResource ctx ar input path def
+                  Just (path, rsrc)
+                      → acceptRequestForResource ctx ar input path rsrc
 
 acceptSemanticallyInvalidRequest ∷ HandleLike h
                                  ⇒ Context h
@@ -142,9 +140,9 @@ acceptRequestForResource ∷ HandleLike h
                          → AugmentedRequest
                          → Lazy.ByteString
                          → [Strict.ByteString]
-                         → ResourceDef
+                         → Resource
                          → IO ()
-acceptRequestForResource ctx@(Context {..}) ar@(AugmentedRequest {..}) input rsrcPath rsrcDef
+acceptRequestForResource ctx@(Context {..}) ar@(AugmentedRequest {..}) input rsrcPath rsrc
     = do
 #if defined(HAVE_SSL)
          cert ← hGetPeerCert cHandle
@@ -152,9 +150,9 @@ acceptRequestForResource ctx@(Context {..}) ar@(AugmentedRequest {..}) input rsr
 #else
          ni   ← mkNormalInteraction cConfig cAddr ar rsrcPath
 #endif
-         tid  ← spawnResource rsrcDef ni
+         tid  ← spawnRsrc rsrc ni
          enqueue ctx ni
-         if reqMustHaveBody arRequest then
+         if reqHasBody arRequest then
              waitForReceiveBodyReq ctx ni tid input
          else
              acceptRequest ctx input
@@ -303,11 +301,11 @@ chunkWasMalformed tid eCtx e msg
     = let abo = mkAbortion BadRequest [("Connection", "close")]
                 $ Just
                 $ "chunkWasMalformed: "
-                ⊕ T.pack msg
+                ⊕ cs msg
                 ⊕ ": "
-                ⊕ T.pack (intercalate ", " eCtx)
+                ⊕ cs (intercalate ", " eCtx)
                 ⊕ ": "
-                ⊕ T.pack e
+                ⊕ cs e
       in
         throwTo tid abo