staticFile

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

diff --git a/Network/HTTP/Lucu/ResponseWriter.hs b/Network/HTTP/Lucu/ResponseWriter.hs
index f47e1f0fcb744dada3e486bd84c07bf469757880..1e2eacb2df7f462b99316c2c5e3a11608f3c3b1c 100644 (file)
--- a/Network/HTTP/Lucu/ResponseWriter.hs
+++ b/Network/HTTP/Lucu/ResponseWriter.hs
@@ -1,5 +1,5 @@
 module Network.HTTP.Lucu.ResponseWriter
-    ( responseWriter -- Handle -> InteractionQueue -> IO ()
+    ( responseWriter -- Config -> Handle -> InteractionQueue -> IO ()
     )
     where
 
@@ -11,17 +11,28 @@ import           Control.Monad
 import           Data.Maybe
 import qualified Data.Sequence as S
 import           Data.Sequence (Seq, ViewR(..))
+import           Network.HTTP.Lucu.Config
+import           Network.HTTP.Lucu.HttpVersion
 import           Network.HTTP.Lucu.Interaction
+import           Network.HTTP.Lucu.Postprocess
 import           Network.HTTP.Lucu.Response
 import           Prelude hiding (catch)
 import           System.IO
+import           Text.Printf
 
+import Control.Concurrent
 import Debug.Trace
+import GHC.Conc (unsafeIOToSTM)
 
 
-responseWriter :: Handle -> InteractionQueue -> IO ()
-responseWriter h tQueue
-    = awaitSomethingToWrite
+responseWriter :: Config -> Handle -> InteractionQueue -> ThreadId -> IO ()
+responseWriter cnf h tQueue readerTID
+    = catch awaitSomethingToWrite $ \ exc ->
+      case exc of
+        IOException _               -> return ()
+        AsyncException ThreadKilled -> return ()
+        BlockedIndefinitely         -> putStrLn "requestWriter: blocked indefinitely"
+        _                           -> print exc
     where
       awaitSomethingToWrite :: IO ()
       awaitSomethingToWrite 
@@ -51,13 +62,16 @@ responseWriter h tQueue
       writeContinueIfNecessary itr
           = do expectedContinue <- readItr itr itrExpectedContinue id
                if expectedContinue then
-
                    do wroteContinue <- readItr itr itrWroteContinue id
                       if wroteContinue then
                           -- 既に Continue を書込み濟
                           retry
                         else
-                          return $ writeContinue itr
+                          do reqBodyWanted <- readItr itr itrReqBodyWanted id
+                             if reqBodyWanted /= Nothing then
+                                 return $ writeContinue itr
+                               else
+                                 retry
                  else
                    retry
 
@@ -85,7 +99,17 @@ responseWriter h tQueue
                           return $ writeBodyChunk itr
 
       writeContinue :: Interaction -> IO ()
-      writeContinue itr = fail "FIXME: not implemented"
+      writeContinue itr
+          = do let cont = Response {
+                            resVersion = HttpVersion 1 1
+                          , resStatus  = Continue
+                          , resHeaders = []
+                          }
+               cont' <- completeUnconditionalHeaders cnf cont
+               hPutResponse h cont'
+               hFlush h
+               atomically $ writeItr itr itrWroteContinue True
+               awaitSomethingToWrite
 
       writeHeader :: Interaction -> IO ()
       writeHeader itr
@@ -104,14 +128,20 @@ responseWriter h tQueue
                                                   return chunk
                unless willDiscardBody
                           $ do if willChunkBody then
-                                   fail "FIXME: not implemented"
+                                   do hPrintf h "%x\r\n" (toInteger $ B.length chunk)
+                                      B.hPut  h chunk
+                                      hPutStr h "\r\n"
                                  else
                                    B.hPut h chunk
                                hFlush h
                awaitSomethingToWrite
 
       finishBodyChunk :: Interaction -> IO ()
-      finishBodyChunk itr = return () -- FIXME: not implemented
+      finishBodyChunk itr
+          = do willDiscardBody <- atomically $ readItr itr itrWillDiscardBody id
+               willChunkBody   <- atomically $ readItr itr itrWillChunkBody   id
+               when (not willDiscardBody && willChunkBody)
+                        $ hPutStr h "0\r\n\r\n" >> hFlush h
 
       finalize :: Interaction -> IO ()
       finalize itr
@@ -123,6 +153,9 @@ responseWriter h tQueue
 
                                             readItr itr itrWillClose id
                if willClose then
-                   hClose h
+                   -- reader は恐らく hWaitForInput してゐる最中なので、
+                   -- スレッドを豫め殺して置かないとをかしくなる。
+                   do killThread readerTID
+                      hClose h
                  else
                    awaitSomethingToWrite