X-Git-Url: http://git.cielonegro.org/gitweb.cgi?a=blobdiff_plain;f=Network%2FHTTP%2FLucu%2FRequestReader.hs;h=d3b8daad721a88b8b28a700c28565a278101d20a;hb=70bf5bd248aa426ca4e410b3fb9a0529354aedaf;hp=08cc2e937b4696cb4078d425438407b95e11d81a;hpb=b340a77fa7bd051dd13a41d0a5b1ad30220bc6b6;p=Lucu.git diff --git a/Network/HTTP/Lucu/RequestReader.hs b/Network/HTTP/Lucu/RequestReader.hs index 08cc2e9..d3b8daa 100644 --- a/Network/HTTP/Lucu/RequestReader.hs +++ b/Network/HTTP/Lucu/RequestReader.hs @@ -1,4 +1,8 @@ --- #hide +{-# LANGUAGE + BangPatterns + , UnboxedTuples + , UnicodeSyntax + #-} module Network.HTTP.Lucu.RequestReader ( requestReader ) @@ -9,43 +13,42 @@ import Control.Exception import Control.Monad import qualified Data.ByteString.Lazy.Char8 as B import Data.ByteString.Lazy.Char8 (ByteString) -import Data.Map as M -import Data.Map (Map) import Data.Maybe import qualified Data.Sequence as S -import Data.Sequence (Seq, (<|), ViewR(..)) -import Network +import Data.Sequence ((<|)) +import GHC.Conc (unsafeIOToSTM) +import Network.Socket import Network.HTTP.Lucu.Config import Network.HTTP.Lucu.Chunk import Network.HTTP.Lucu.DefaultPage -import Network.HTTP.Lucu.HttpVersion +import Network.HTTP.Lucu.HandleLike import Network.HTTP.Lucu.Interaction import Network.HTTP.Lucu.Parser import Network.HTTP.Lucu.Postprocess import Network.HTTP.Lucu.Preprocess import Network.HTTP.Lucu.Request import Network.HTTP.Lucu.Response -import Network.HTTP.Lucu.Resource import Network.HTTP.Lucu.Resource.Tree import Prelude hiding (catch) -import System.IO +import System.IO (stderr) - -requestReader :: Config -> ResTree -> Handle -> HostName -> InteractionQueue -> IO () -requestReader cnf tree h host tQueue - = do catch (do input <- B.hGetContents h - acceptRequest input) $ \ exc -> - case exc of - IOException _ -> return () - AsyncException ThreadKilled -> return () - BlockedIndefinitely -> putStrLn "requestReader: blocked indefinitely" - _ -> print exc +requestReader :: HandleLike h => Config -> ResTree -> [FallbackHandler] -> h -> PortNumber -> SockAddr -> InteractionQueue -> IO () +requestReader !cnf !tree !fbs !h !port !addr !tQueue + = do input <- hGetLBS h + acceptRequest input + `catches` + [ Handler (( \ _ -> return () ) :: IOException -> IO ()) + , Handler ( \ ThreadKilled -> return () ) + , Handler ( \ BlockedIndefinitelyOnSTM -> hPutStrLn stderr "requestReader: blocked indefinitely" ) + , Handler (( \ e -> hPutStrLn stderr (show e) ) :: SomeException -> IO ()) + ] where acceptRequest :: ByteString -> IO () acceptRequest input -- キューに最大パイプライン深度以上のリクエストが溜まってゐる -- 時は、それが限度以下になるまで待つ。 - = do atomically $ do queue <- readTVar tQueue + = {-# SCC "acceptRequest" #-} + do atomically $ do queue <- readTVar tQueue when (S.length queue >= cnfMaxPipelineDepth cnf) retry @@ -53,19 +56,18 @@ requestReader cnf tree h host tQueue -- Request 應答を設定し、それを出力してから切斷するやう -- に ResponseWriter に通知する。 case parse requestP input of - (Success req , input') -> acceptParsableRequest req input' - (IllegalInput, _ ) -> acceptNonparsableRequest BadRequest - (ReachedEOF , _ ) -> acceptNonparsableRequest BadRequest + (# Success req , input' #) -> acceptParsableRequest req input' + (# IllegalInput, _ #) -> acceptNonparsableRequest BadRequest + (# ReachedEOF , _ #) -> acceptNonparsableRequest BadRequest acceptNonparsableRequest :: StatusCode -> IO () acceptNonparsableRequest status - = do itr <- newInteraction cnf host Nothing - let res = Response { - resVersion = HttpVersion 1 1 - , resStatus = status - , resHeaders = [] - } - atomically $ do writeItr itr itrResponse $ Just res + = {-# SCC "acceptNonparsableRequest" #-} + do itr <- newInteraction cnf port addr Nothing Nothing + atomically $ do updateItr itr itrResponse + $ \ res -> res { + resStatus = status + } writeItr itr itrWillClose True writeItr itr itrState Done writeDefaultPage itr @@ -74,25 +76,29 @@ requestReader cnf tree h host tQueue acceptParsableRequest :: Request -> ByteString -> IO () acceptParsableRequest req input - = do itr <- newInteraction cnf host (Just req) + = {-# SCC "acceptParsableRequest" #-} + do cert <- hGetPeerCert h + itr <- newInteraction cnf port addr cert (Just req) action <- atomically $ do preprocess itr - isErr <- readItrF itr itrResponse (isError . resStatus) - if isErr == Just True then + isErr <- readItr itr itrResponse (isError . resStatus) + if isErr then acceptSemanticallyInvalidRequest itr input else - case findResource tree $ (reqURI . fromJust . itrRequest) itr of - Nothing -- Resource が無かった - -> acceptRequestForNonexistentResource itr input + do rsrcM <- unsafeIOToSTM $ findResource tree fbs $ reqURI req + case rsrcM of + Nothing -- Resource が無かった + -> acceptRequestForNonexistentResource itr input - Just (rsrcPath, rsrcDef) -- あった - -> acceptRequestForExistentResource itr input rsrcPath rsrcDef + Just (rsrcPath, rsrcDef) -- あった + -> acceptRequestForExistentResource itr input rsrcPath rsrcDef action acceptSemanticallyInvalidRequest :: Interaction -> ByteString -> STM (IO ()) acceptSemanticallyInvalidRequest itr input - = do writeItr itr itrState Done + = {-# SCC "acceptSemanticallyInvalidRequest" #-} + do writeItr itr itrState Done writeDefaultPage itr postprocess itr enqueue itr @@ -100,12 +106,11 @@ requestReader cnf tree h host tQueue acceptRequestForNonexistentResource :: Interaction -> ByteString -> STM (IO ()) acceptRequestForNonexistentResource itr input - = do let res = Response { - resVersion = HttpVersion 1 1 - , resStatus = NotFound - , resHeaders = [] - } - writeItr itr itrResponse $ Just res + = {-# SCC "acceptRequestForNonexistentResource" #-} + do updateItr itr itrResponse + $ \res -> res { + resStatus = NotFound + } writeItr itr itrState Done writeDefaultPage itr postprocess itr @@ -114,10 +119,11 @@ requestReader cnf tree h host tQueue acceptRequestForExistentResource :: Interaction -> ByteString -> [String] -> ResourceDef -> STM (IO ()) acceptRequestForExistentResource oldItr input rsrcPath rsrcDef - = do let itr = oldItr { itrResourcePath = Just rsrcPath } + = {-# SCC "acceptRequestForExistentResource" #-} + do let itr = oldItr { itrResourcePath = Just rsrcPath } requestHasBody <- readItr itr itrRequestHasBody id enqueue itr - return $ do runResource rsrcDef itr + return $ do _ <- runResource rsrcDef itr if requestHasBody then observeRequest itr input else @@ -125,7 +131,8 @@ requestReader cnf tree h host tQueue observeRequest :: Interaction -> ByteString -> IO () observeRequest itr input - = do isChunked <- atomically $ readItr itr itrRequestIsChunked id + = {-# SCC "observeRequest" #-} + do isChunked <- atomically $ readItr itr itrRequestIsChunked id if isChunked then observeChunkedRequest itr input else @@ -133,7 +140,8 @@ requestReader cnf tree h host tQueue observeChunkedRequest :: Interaction -> ByteString -> IO () observeChunkedRequest itr input - = do action + = {-# SCC "observeChunkedRequest" #-} + do action <- atomically $ do isOver <- readItr itr itrReqChunkIsOver id if isOver then @@ -150,7 +158,7 @@ requestReader cnf tree h host tQueue -- 讀み終へてゐない do let (_, input') = B.splitAt (fromIntegral $ fromJust remainingM) input - (footerR, input'') = parse chunkFooterP input' + (# footerR, input'' #) = parse chunkFooterP input' if footerR == Success () then -- チャンクフッタを正常に讀めた @@ -188,10 +196,11 @@ requestReader cnf tree h host tQueue if newRemaining == Just 0 then -- チャンクフッタを讀む case parse chunkFooterP input' of - (Success _, input'') + (# Success _, input'' #) -> do updateStates return $ observeChunkedRequest itr input'' - _ -> return $ chunkWasMalformed itr + (# _, _ #) + -> return $ chunkWasMalformed itr else -- まだチャンクの終はりに達してゐない do updateStates @@ -203,43 +212,45 @@ requestReader cnf tree h host tQueue seekNextChunk :: Interaction -> ByteString -> STM (IO ()) seekNextChunk itr input - = case parse chunkHeaderP input of + = {-# SCC "seekNextChunk" #-} + case parse chunkHeaderP input of -- 最終チャンク (中身が空) - (Success 0, input') + (# Success 0, input' #) -> case parse chunkTrailerP input' of - (Success _, input'') + (# Success _, input'' #) -> do writeItr itr itrReqChunkLength $ Nothing writeItr itr itrReqChunkRemaining $ Nothing writeItr itr itrReqChunkIsOver True return $ acceptRequest input'' - _ -> return $ chunkWasMalformed itr + (# _, _ #) + -> return $ chunkWasMalformed itr -- 最終でないチャンク - (Success len, input') + (# Success len, input' #) -> do writeItr itr itrReqChunkLength $ Just len writeItr itr itrReqChunkRemaining $ Just len return $ observeChunkedRequest itr input' -- チャンクヘッダがをかしい - _ -> return $ chunkWasMalformed itr + (# _, _ #) + -> return $ chunkWasMalformed itr chunkWasMalformed :: Interaction -> IO () chunkWasMalformed itr - = let res = Response { - resVersion = HttpVersion 1 1 - , resStatus = BadRequest - , resHeaders = [] - } - in - atomically $ do writeItr itr itrResponse $ Just res - writeItr itr itrWillClose True - writeItr itr itrState Done - writeDefaultPage itr - postprocess itr + = {-# SCC "chunkWasMalformed" #-} + atomically $ do updateItr itr itrResponse + $ \ res -> res { + resStatus = BadRequest + } + writeItr itr itrWillClose True + writeItr itr itrState Done + writeDefaultPage itr + postprocess itr observeNonChunkedRequest :: Interaction -> ByteString -> IO () observeNonChunkedRequest itr input - = do action + = {-# SCC "observeNonChunkedRequest" #-} + do action <- atomically $ do wantedM <- readItr itr itrReqBodyWanted id if wantedM == Nothing then @@ -284,5 +295,6 @@ requestReader cnf tree h host tQueue action enqueue :: Interaction -> STM () - enqueue itr = do queue <- readTVar tQueue + enqueue itr = {-# SCC "enqueue" #-} + do queue <- readTVar tQueue writeTVar tQueue (itr <| queue) \ No newline at end of file