@@ -3,53 +3,46 @@
3{-# LANGUAGE OverloadedStrings #-}
3{-# LANGUAGE OverloadedStrings #-}
4{-# LANGUAGE PackageImports #-}
4{-# LANGUAGE PackageImports #-}
5{-# LANGUAGE PatternGuards #-}
5{-# LANGUAGE PatternGuards #-}
6−{-# LANGUAGE RecordWildCards #-}
7{-# LANGUAGE ScopedTypeVariables #-}
6{-# LANGUAGE ScopedTypeVariables #-}
8{-# LANGUAGE TupleSections #-}
7{-# LANGUAGE TupleSections #-}
9−{-# LANGUAGE ViewPatterns #-}
10{-# OPTIONS_GHC -fno-warn-deprecations #-}
8{-# OPTIONS_GHC -fno-warn-deprecations #-}
12module Network.Wai.Handler.Warp.Run where
10module Network.Wai.Handler.Warp.Run where
14−import "iproute" Data.IP (toHostAddress, toHostAddress6)
15import Control.Arrow (first)
12import Control.Arrow (first)
16import qualified Control.Concurrent as Conc (yield)
13import qualified Control.Concurrent as Conc (yield)
17import Control.Exception as E
14import Control.Exception as E
15+import Control.Monad (when, unless, void)
16+import Data.ByteString (ByteString)
18import qualified Data.ByteString as S
17import qualified Data.ByteString as S
19import Data.Char (chr)
18import Data.Char (chr)
19+import "iproute" Data.IP (toHostAddress, toHostAddress6)
20−import Data.IORef (IORef, newIORef, readIORef, writeIORef)
20+import Data.IORef (IORef, newIORef, readIORef, writeIORef, atomicModifyIORef')
21import Data.Streaming.Network (bindPortTCP)
21import Data.Streaming.Network (bindPortTCP)
22import Foreign.C.Error (Errno(..), eCONNABORTED)
22import Foreign.C.Error (Errno(..), eCONNABORTED)
23import GHC.IO.Exception (IOException(..))
23import GHC.IO.Exception (IOException(..))
24−import qualified Network.HTTP2 as H2
24+import Network (Socket)
25−import Network.Socket (Socket, close, accept, withSocketsDo, SockAddr(SockAddrInet, SockAddrInet6), setSocketOption, SocketOption(..))
25+import Network.Socket (close, accept, withSocketsDo, SockAddr(SockAddrInet, SockAddrInet6), setSocketOption, SocketOption(..))
26−#if MIN_VERSION_network(3,1,1)
27−import Network.Socket (gracefulClose)
29import qualified Network.Socket.ByteString as Sock
26import qualified Network.Socket.ByteString as Sock
30import Network.Wai
27import Network.Wai
31−import Network.Wai.Internal (ResponseReceived (ResponseReceived))
32−import System.Environment (lookupEnv)
33−import qualified System.TimeManager as T
34−import System.Timeout (timeout)
36import Network.Wai.Handler.Warp.Buffer
28import Network.Wai.Handler.Warp.Buffer
37import Network.Wai.Handler.Warp.Counter
29import Network.Wai.Handler.Warp.Counter
38import qualified Network.Wai.Handler.Warp.Date as D
30import qualified Network.Wai.Handler.Warp.Date as D
39import qualified Network.Wai.Handler.Warp.FdCache as F
31import qualified Network.Wai.Handler.Warp.FdCache as F
40import qualified Network.Wai.Handler.Warp.FileInfoCache as I
32import qualified Network.Wai.Handler.Warp.FileInfoCache as I
41−import Network.Wai.Handler.Warp.HTTP2 (http2)
33+import Network.Wai.Handler.Warp.HTTP2 (http2, isHTTP2)
42−import Network.Wai.Handler.Warp.HTTP2.Types (isHTTP2)
43import Network.Wai.Handler.Warp.Header
34import Network.Wai.Handler.Warp.Header
44−import Network.Wai.Handler.Warp.Imports hiding (readInt)
45import Network.Wai.Handler.Warp.ReadInt
35import Network.Wai.Handler.Warp.ReadInt
46import Network.Wai.Handler.Warp.Recv
36import Network.Wai.Handler.Warp.Recv
47import Network.Wai.Handler.Warp.Request
37import Network.Wai.Handler.Warp.Request
48import Network.Wai.Handler.Warp.Response
38import Network.Wai.Handler.Warp.Response
49import Network.Wai.Handler.Warp.SendFile
39import Network.Wai.Handler.Warp.SendFile
50import Network.Wai.Handler.Warp.Settings
40import Network.Wai.Handler.Warp.Settings
41+import qualified Network.Wai.Handler.Warp.Timeout as T
51import Network.Wai.Handler.Warp.Types
42import Network.Wai.Handler.Warp.Types
52−
43+import Network.Wai.Internal (ResponseReceived (ResponseReceived))
44+import System.Environment (getEnvironment)
45+import System.Timeout (timeout)
54#if WINDOWS
47#if WINDOWS
55import Network.Wai.Handler.Warp.Windows
48import Network.Wai.Handler.Warp.Windows
@@ -58,38 +51,21 @@ import Network.Socket (fdSocket)
60-- | Creating 'Connection' for plain HTTP based on a given socket.
53-- | Creating 'Connection' for plain HTTP based on a given socket.
61−socketConnection :: Settings -> Socket -> IO Connection
54+socketConnection :: Socket -> IO Connection
62−#if MIN_VERSION_network(3,1,1)
63−socketConnection set s = do
65−socketConnection _ s = do
55+socketConnection s = do
67 bufferPool <- newBufferPool
56 bufferPool <- newBufferPool
68 writeBuf <- allocateBuffer bufferSize
57 writeBuf <- allocateBuffer bufferSize
69 let sendall = Sock.sendAll s
58 let sendall = Sock.sendAll s
70− isH2 <- newIORef False -- HTTP/1.x
71 return Connection {
59 return Connection {
72 connSendMany = Sock.sendMany s
60 connSendMany = Sock.sendMany s
73 , connSendAll = sendall
61 , connSendAll = sendall
74 , connSendFile = sendFile s writeBuf bufferSize sendall
62 , connSendFile = sendFile s writeBuf bufferSize sendall
75−#if MIN_VERSION_network(3,1,1)
78− let tm = if h2 then settingsGracefulCloseTimeout2 set
79− else settingsGracefulCloseTimeout1 set
83− gracefulClose s tm `E.catch` \(E.SomeException _) -> return ()
85 , connClose = close s
63 , connClose = close s
87 , connFree = freeBuffer writeBuf
64 , connFree = freeBuffer writeBuf
88 , connRecv = receive s bufferPool
65 , connRecv = receive s bufferPool
89 , connRecvBuf = receiveBuf s
66 , connRecvBuf = receiveBuf s
90 , connWriteBuffer = writeBuf
67 , connWriteBuffer = writeBuf
91 , connBufferSize = bufferSize
68 , connBufferSize = bufferSize
95-- | Run an 'Application' on the given port.
71-- | Run an 'Application' on the given port.
@@ -104,7 +80,7 @@ run p = runSettings defaultSettings { settingsPort = p }
104-- Since 3.0.9
80-- Since 3.0.9
105runEnv :: Port -> Application -> IO ()
81runEnv :: Port -> Application -> IO ()
106runEnv p app = do
82runEnv p app = do
107− mp <- lookupEnv "PORT"
83+ mp <- lookup "PORT" <$> getEnvironment
109 maybe (run p app) runReadPort mp
85 maybe (run p app) runReadPort mp
@@ -151,7 +127,7 @@ runSettingsSocket set socket app = do
151 setSocketCloseOnExec s
127 setSocketCloseOnExec s
152 -- NoDelay causes an error for AF_UNIX.
128 -- NoDelay causes an error for AF_UNIX.
153 setSocketOption s NoDelay 1 `E.catch` \(E.SomeException _) -> return ()
129 setSocketOption s NoDelay 1 `E.catch` \(E.SomeException _) -> return ()
154− conn <- socketConnection set s
130+ conn <- socketConnection s
155 return (conn, sa)
131 return (conn, sa)
157 closeListenSocket = close socket
133 closeListenSocket = close socket
@@ -192,15 +168,15 @@ runSettingsConnectionMakerSecure :: Settings -> IO (IO (Connection, Transport),
192runSettingsConnectionMakerSecure set getConnMaker app = do
168runSettingsConnectionMakerSecure set getConnMaker app = do
193 settingsBeforeMainLoop set
169 settingsBeforeMainLoop set
194 counter <- newCounter
170 counter <- newCounter
195− withII $ acceptConnection set getConnMaker app counter
171+ withII0 $ acceptConnection set getConnMaker app counter
197− withII action =
173+ withII0 action =
198 withTimeoutManager $ \tm ->
174 withTimeoutManager $ \tm ->
199 D.withDateCache $ \dc ->
175 D.withDateCache $ \dc ->
200 F.withFdCache fdCacheDurationInSeconds $ \fdc ->
176 F.withFdCache fdCacheDurationInSeconds $ \fdc ->
201 I.withFileInfoCache fdFileInfoDurationInSeconds $ \fic -> do
177 I.withFileInfoCache fdFileInfoDurationInSeconds $ \fic -> do
202− let ii = InternalInfo tm dc fdc fic
178+ let ii0 = InternalInfo0 tm dc fdc fic
203− action ii
179+ action ii0
205 !fdCacheDurationInSeconds = settingsFdCacheDuration set * 1000000
181 !fdCacheDurationInSeconds = settingsFdCacheDuration set * 1000000
206 !fdFileInfoDurationInSeconds = settingsFileInfoCacheDuration set * 1000000
182 !fdFileInfoDurationInSeconds = settingsFileInfoCacheDuration set * 1000000
@@ -229,18 +205,13 @@ acceptConnection :: Settings
229 -> IO (IO (Connection, Transport), SockAddr)
205 -> IO (IO (Connection, Transport), SockAddr)
230 -> Application
206 -> Application
231 -> Counter
207 -> Counter
232− -> InternalInfo
208+ -> InternalInfo0
234−acceptConnection set getConnMaker app counter ii = do
210+acceptConnection set getConnMaker app counter ii0 = do
235 -- First mask all exceptions in acceptLoop. This is necessary to
211 -- First mask all exceptions in acceptLoop. This is necessary to
236 -- ensure that no async exception is throw between the call to
212 -- ensure that no async exception is throw between the call to
237 -- acceptNewConnection and the registering of connClose.
213 -- acceptNewConnection and the registering of connClose.
239− -- acceptLoop can be broken by closing the listing socket.
240 void $ mask_ acceptLoop
214 void $ mask_ acceptLoop
241− -- In some cases, we want to stop Warp here without graceful shutdown.
242− -- So, async exceptions are allowed here.
243− -- That's why `finally` is not used.
244 gracefulShutdown set counter
215 gracefulShutdown set counter
246 acceptLoop = do
217 acceptLoop = do
@@ -258,7 +229,7 @@ acceptConnection set getConnMaker app counter ii = do
258 case mx of
229 case mx of
259 Nothing -> return ()
230 Nothing -> return ()
260 Just (mkConn, addr) -> do
231 Just (mkConn, addr) -> do
261− fork set mkConn addr app counter ii
232+ fork set mkConn addr app counter ii0
262 acceptLoop
233 acceptLoop
264 acceptNewConnection = do
235 acceptNewConnection = do
@@ -281,12 +252,15 @@ fork :: Settings
281 -> SockAddr
252 -> SockAddr
282 -> Application
253 -> Application
283 -> Counter
254 -> Counter
284− -> InternalInfo
255+ -> InternalInfo0
286−fork set mkConn addr app counter ii = settingsFork set $ \unmask ->
257+fork set mkConn addr app counter ii0 = settingsFork set $ \unmask ->
287 -- Call the user-supplied on exception code if any
258 -- Call the user-supplied on exception code if any
288 -- exceptions are thrown.
259 -- exceptions are thrown.
289− handle (settingsOnException set Nothing) $
260+ handle (settingsOnException set Nothing) .
261+ -- Allocate a new IORef indicating whether the connection has been
262+ -- closed, to avoid double-freeing a connection
263+ withClosedRef $ \ref ->
290 -- Run the connection maker to get a new connection, and ensure
264 -- Run the connection maker to get a new connection, and ensure
291 -- that the connection is closed. If the mkConn call throws an
265 -- that the connection is closed. If the mkConn call throws an
292 -- exception, we will leak the connection. If the mkConn call is
266 -- exception, we will leak the connection. If the mkConn call is
@@ -297,15 +271,24 @@ fork set mkConn addr app counter ii = settingsFork set $ \unmask ->
297 -- We grab the connection before registering timeouts since the
271 -- We grab the connection before registering timeouts since the
298 -- timeouts will be useless during connection creation, due to the
272 -- timeouts will be useless during connection creation, due to the
299 -- fact that async exceptions are still masked.
273 -- fact that async exceptions are still masked.
300− bracket mkConn cleanUp (serve unmask)
274+ bracket mkConn (cleanUp ref) (serve unmask ref)
276+ withClosedRef inner = newIORef False >>= inner
278+ closeConn ref conn = do
279+ isClosed <- atomicModifyIORef' ref $ \x -> (True, x)
280+ unless isClosed $ connClose conn
302− cleanUp (conn, _) = connClose conn `finally` connFree conn
282+ cleanUp ref (conn, _) = closeConn ref conn `finally` connFree conn
304 -- We need to register a timeout handler for this thread, and
284 -- We need to register a timeout handler for this thread, and
305− -- cancel that handler as soon as we exit.
285+ -- cancel that handler as soon as we exit. We additionally close
286+ -- the connection immediately in case the child thread catches the
287+ -- async exception or performs some long-running cleanup action.
306− serve unmask (conn, transport) = bracket register cancel $ \th -> do
288+ serve unmask ref (conn, transport) = bracket register cancel $ \th -> do
289+ let ii1 = toInternalInfo1 ii0 th
307 -- We now have fully registered a connection close handler in
290 -- We now have fully registered a connection close handler in
308− -- the case of all exceptions, so it is safe to once again
291+ -- the case of all exceptions, so it is safe to one again
309 -- allow async exceptions.
292 -- allow async exceptions.
311 -- Call the user-supplied code for connection open and
294 -- Call the user-supplied code for connection open and
@@ -313,23 +296,23 @@ fork set mkConn addr app counter ii = settingsFork set $ \unmask ->
313 bracket (onOpen addr) (onClose addr) $ \goingon ->
296 bracket (onOpen addr) (onClose addr) $ \goingon ->
314 -- Actually serve this connection. bracket with closeConn
297 -- Actually serve this connection. bracket with closeConn
315 -- above ensures the connection is closed.
298 -- above ensures the connection is closed.
316− when goingon $ serveConnection conn ii th addr transport set app
299+ when goingon $ serveConnection conn ii1 addr transport set app
318− register = T.registerKillThread (timeoutManager ii) (connClose conn)
301+ register = T.registerKillThread (timeoutManager0 ii0)
302+ (closeConn ref conn)
319 cancel = T.cancel
303 cancel = T.cancel
321 onOpen adr = increase counter >> settingsOnOpen set adr
305 onOpen adr = increase counter >> settingsOnOpen set adr
322 onClose adr _ = decrease counter >> settingsOnClose set adr
306 onClose adr _ = decrease counter >> settingsOnClose set adr
324serveConnection :: Connection
308serveConnection :: Connection
325− -> InternalInfo
309+ -> InternalInfo1
327 -> SockAddr
310 -> SockAddr
328 -> Transport
311 -> Transport
329 -> Settings
312 -> Settings
330 -> Application
313 -> Application
332−serveConnection conn ii th origAddr transport settings app = do
315+serveConnection conn ii1 origAddr transport settings app = do
333 -- fixme: Upgrading to HTTP/2 should be supported.
316 -- fixme: Upgrading to HTTP/2 should be supported.
334 (h2,bs) <- if isHTTP2 transport then
317 (h2,bs) <- if isHTTP2 transport then
335 return (True, "")
318 return (True, "")
@@ -342,36 +325,17 @@ serveConnection conn ii th origAddr transport settings app = do
342 istatus <- newIORef False
325 istatus <- newIORef False
343 if settingsHTTP2Enabled settings && h2 then do
326 if settingsHTTP2Enabled settings && h2 then do
344 rawRecvN <- makeReceiveN bs (connRecv conn) (connRecvBuf conn)
327 rawRecvN <- makeReceiveN bs (connRecv conn) (connRecvBuf conn)
345− -- This thread becomes the sender in http2 library.
346− -- In the case of event source, one request comes and one
347− -- worker gets busy. But it is likely that the receiver does
348− -- not receive any data at all while the sender is sending
349− -- output data from the worker. It's not good enough to tickle
350− -- the time handler in the receiver only. So, we should tickle
351− -- the time handler in both the receiver and the sender.
352 let recvN = wrappedRecvN th istatus (settingsSlowlorisSize settings) rawRecvN
328 let recvN = wrappedRecvN th istatus (settingsSlowlorisSize settings) rawRecvN
353− sendBS x = connSendAll conn x >> T.tickle th
354 -- fixme: origAddr
329 -- fixme: origAddr
356− setConnHTTP2 conn True
357− http2 conn transport ii origAddr settings recvN sendBS app
330+ http2 conn ii1 origAddr transport settings recvN app
359 src <- mkSource (wrappedRecv conn th istatus (settingsSlowlorisSize settings))
332 src <- mkSource (wrappedRecv conn th istatus (settingsSlowlorisSize settings))
360 writeIORef istatus True
333 writeIORef istatus True
361 leftoverSource src bs
334 leftoverSource src bs
362 addr <- getProxyProtocolAddr src
335 addr <- getProxyProtocolAddr src
363− http1 True addr istatus src `E.catch` \e ->
336+ http1 True addr istatus src `E.catch` \e -> do
366− -- See comment below referencing
367− -- https://github.com/yesodweb/wai/issues/618
368− | Just NoKeepAliveRequest <- fromException e -> return ()
370− | Just (BadFirstLine _) <- fromException e -> return ()
372− _ <- sendErrorResponse (dummyreq addr) istatus e
337+ sendErrorResponse addr istatus e
373− throwIO e
338+ throwIO (e :: SomeException)
376 getProxyProtocolAddr src =
340 getProxyProtocolAddr src =
377 case settingsProxyProtocol settings of
341 case settingsProxyProtocol settings of
@@ -413,25 +377,30 @@ serveConnection conn ii th origAddr transport settings app = do
414 decodeAscii = map (chr . fromEnum) . S.unpack
378 decodeAscii = map (chr . fromEnum) . S.unpack
380+ th = threadHandle1 ii1
416 shouldSendErrorResponse se
382 shouldSendErrorResponse se
417 | Just ConnectionClosedByPeer <- fromException se = False
383 | Just ConnectionClosedByPeer <- fromException se = False
418 | otherwise = True
384 | otherwise = True
420− sendErrorResponse req istatus e = do
386+ sendErrorResponse addr istatus e = do
421 status <- readIORef istatus
387 status <- readIORef istatus
422− if shouldSendErrorResponse e && status
388+ when (shouldSendErrorResponse e && status) $ do
423− then do
389+ let ii = toInternalInfo ii1 0 -- dummy
390+ dreq = dummyreq addr
424− sendResponse settings conn ii th req defaultIndexRequestHeader (return S.empty) (errorResponse e)
391+ void $ sendResponse settings conn ii dreq defaultIndexRequestHeader (return S.empty) (errorResponse e)
427 dummyreq addr = defaultRequest { remoteHost = addr }
393 dummyreq addr = defaultRequest { remoteHost = addr }
429 errorResponse e = settingsOnExceptionResponse settings e
395 errorResponse e = settingsOnExceptionResponse settings e
431 http1 firstRequest addr istatus src = do
397 http1 firstRequest addr istatus src = do
432− (req, mremainingRef, idxhdr, nextBodyFlush) <- recvRequest firstRequest settings conn ii th addr src transport
398+ (req', mremainingRef, idxhdr, nextBodyFlush, ii) <- recvRequest firstRequest settings conn ii1 addr src
399+ let req = req' { isSecure = isTransportSecure transport }
433− keepAlive <- processRequest istatus src req mremainingRef idxhdr nextBodyFlush
400+ keepAlive <- processRequest istatus src req mremainingRef idxhdr nextBodyFlush ii
434 `E.catch` \e -> do
401 `E.catch` \e -> do
402+ -- Call the user-supplied exception handlers, passing the request.
403+ sendErrorResponse addr istatus e
435 settingsOnException settings (Just req) e
404 settingsOnException settings (Just req) e
436 -- Don't throw the error again to prevent calling settingsOnException twice.
405 -- Don't throw the error again to prevent calling settingsOnException twice.
437 return False
406 return False
@@ -444,9 +413,9 @@ serveConnection conn ii th origAddr transport settings app = do
444 -- request headers, no data is available, recvRequest will
413 -- request headers, no data is available, recvRequest will
445 -- throw a NoKeepAliveRequest exception, which we catch here
414 -- throw a NoKeepAliveRequest exception, which we catch here
446 -- and ignore. See: https://github.com/yesodweb/wai/issues/618
415 -- and ignore. See: https://github.com/yesodweb/wai/issues/618
447− when keepAlive $ http1 False addr istatus src
416+ when keepAlive $ http1 False addr istatus src `E.catch` \NoKeepAliveRequest -> return ()
449− processRequest istatus src req mremainingRef idxhdr nextBodyFlush = do
418+ processRequest istatus src req mremainingRef idxhdr nextBodyFlush ii = do
450 -- Let the application run for as long as it wants
419 -- Let the application run for as long as it wants
451 T.pause th
420 T.pause th
@@ -454,38 +423,30 @@ serveConnection conn ii th origAddr transport settings app = do
454 -- creating the request, we need to make sure that we don't get
423 -- creating the request, we need to make sure that we don't get
455 -- an async exception before calling the ResponseSource.
424 -- an async exception before calling the ResponseSource.
456 keepAliveRef <- newIORef $ error "keepAliveRef not filled"
425 keepAliveRef <- newIORef $ error "keepAliveRef not filled"
457− r <- E.try $ app req $ \res -> do
426+ _ <- app req $ \res -> do
458 T.resume th
427 T.resume th
459 -- FIXME consider forcing evaluation of the res here to
428 -- FIXME consider forcing evaluation of the res here to
460 -- send more meaningful error messages to the user.
429 -- send more meaningful error messages to the user.
461 -- However, it may affect performance.
430 -- However, it may affect performance.
462 writeIORef istatus False
431 writeIORef istatus False
463− keepAlive <- sendResponse settings conn ii th req idxhdr (readSource src) res
432+ keepAlive <- sendResponse settings conn ii req idxhdr (readSource src) res
464 writeIORef keepAliveRef keepAlive
433 writeIORef keepAliveRef keepAlive
465 return ResponseReceived
434 return ResponseReceived
467− Right ResponseReceived -> return ()
468− Left e@(SomeException _)
469− | Just (ExceptionInsideResponseBody e') <- fromException e -> throwIO e'
471− keepAlive <- sendErrorResponse req istatus e
472− settingsOnException settings (Just req) e
473− writeIORef keepAliveRef keepAlive
475 keepAlive <- readIORef keepAliveRef
435 keepAlive <- readIORef keepAliveRef
477 -- We just send a Response and it takes a time to
437 -- We just send a Response and it takes a time to
478 -- receive a Request again. If we immediately call recv,
438 -- receive a Request again. If we immediately call recv,
479− -- it is likely to fail and cause the IO manager to do some work.
439+ -- it is likely to fail and the IO manager works.
480− -- It is very costly, so we yield to another Haskell
440+ -- It is very costly. So, we yield to another Haskell
481 -- thread hoping that the next Request will arrive
441 -- thread hoping that the next Request will arrive
482 -- when this Haskell thread will be re-scheduled.
442 -- when this Haskell thread will be re-scheduled.
483 -- This improves performance at least when
443 -- This improves performance at least when
484 -- the number of cores is small.
444 -- the number of cores is small.
485 Conc.yield
445 Conc.yield
487− if keepAlive
447+ if not keepAlive then
488− then
448+ return False
489 -- If there is an unknown or large amount of data to still be read
450 -- If there is an unknown or large amount of data to still be read
490 -- from the request body, simple drop this connection instead of
451 -- from the request body, simple drop this connection instead of
491 -- reading it all in to satisfy a keep-alive request.
452 -- reading it all in to satisfy a keep-alive request.
@@ -511,21 +472,6 @@ serveConnection conn ii th origAddr transport settings app = do
512 return False
473 return False
513 Nothing -> tryKeepAlive
474 Nothing -> tryKeepAlive
517− checkTLS = case transport of
518− TCP -> return () -- direct
519− tls -> unless (tls12orLater tls) $ goaway conn H2.InadequateSecurity "Weak TLS"
520− tls12orLater tls = tlsMajorVersion tls == 3 && tlsMinorVersion tls >= 3
522−-- connClose must not be called here since Run:fork calls it
523−goaway :: Connection -> H2.ErrorCodeId -> ByteString -> IO ()
524−goaway Connection{..} etype debugmsg = connSendAll bytestream
526− einfo = H2.encodeInfo id 0
527− frame = H2.GoAwayFrame 0 etype debugmsg
528− bytestream = H2.encodeFrame einfo frame
530flushEntireBody :: IO ByteString -> IO ()
476flushEntireBody :: IO ByteString -> IO ()
531flushEntireBody src =
477flushEntireBody src =
@@ -571,22 +517,12 @@ wrappedRecvN th istatus slowlorisSize readN bufsize = do
571 when (S.length bs >= slowlorisSize || bufsize <= slowlorisSize) $ T.tickle th
517 when (S.length bs >= slowlorisSize || bufsize <= slowlorisSize) $ T.tickle th
572 return bs
518 return bs
574−-- | Set flag FileCloseOnExec flag on a socket (on Unix)
576-- Copied from: https://github.com/mzero/plush/blob/master/src/Plush/Server/Warp.hs
520-- Copied from: https://github.com/mzero/plush/blob/master/src/Plush/Server/Warp.hs
579setSocketCloseOnExec :: Socket -> IO ()
521setSocketCloseOnExec :: Socket -> IO ()
580#if WINDOWS
522#if WINDOWS
581setSocketCloseOnExec _ = return ()
523setSocketCloseOnExec _ = return ()
583−setSocketCloseOnExec socket = do
584−#if MIN_VERSION_network(3,0,0)
585− fd <- fdSocket socket
587− let fd = fdSocket socket
589− F.setFileCloseOnExec $ fromIntegral fd
525+setSocketCloseOnExec socket = F.setFileCloseOnExec $ fromIntegral $ fdSocket socket
592gracefulShutdown :: Settings -> Counter -> IO ()
528gracefulShutdown :: Settings -> Counter -> IO ()