where
import Control.Concurrent
-import Network
-import qualified Network.Socket as So
+import Control.Exception
+import Control.Monad
+import Data.Maybe
+import Network.BSD
+import Network.Socket
import Network.HTTP.Lucu.Config
import Network.HTTP.Lucu.Interaction
import Network.HTTP.Lucu.RequestReader
import Network.HTTP.Lucu.Resource.Tree
import Network.HTTP.Lucu.ResponseWriter
-import qualified OpenSSL.Session as SSL
-import System.IO
+import Network.HTTP.Lucu.SocketLike as SL
import System.Posix.Signals
-- |This is the entry point of Lucu httpd. It listens to a socket and
runHttpd :: Config -> ResTree -> [FallbackHandler] -> IO ()
runHttpd cnf tree fbs
= withSocketsDo $
- do installHandler sigPIPE Ignore Nothing
+ do _ <- installHandler sigPIPE Ignore Nothing
- case cnfSSLConfig cnf of
- Nothing
- -> return ()
- Just scnf
- -> do so <- listenOn (sslServerPort scnf)
- _loopTID <- forkIO $ httpsLoop (sslContext scnf) so
- return ()
-
- httpLoop =<< listenOn (cnfServerPort cnf)
+ let launchers
+ = catMaybes
+ [ do scnf <- cnfSSLConfig cnf
+ addr <- cnfServerV4Addr cnf
+ return ( do so <- listenOn AF_INET addr (sslServerPort scnf)
+ launchListener (sslContext scnf, so)
+ )
+ , do scnf <- cnfSSLConfig cnf
+ addr <- cnfServerV6Addr cnf
+ return ( do so <- listenOn AF_INET6 addr (sslServerPort scnf)
+ launchListener (sslContext scnf, so)
+ )
+ , do addr <- cnfServerV4Addr cnf
+ return ( launchListener =<< listenOn AF_INET addr (cnfServerPort cnf)
+ )
+ , do addr <- cnfServerV6Addr cnf
+ return ( launchListener =<< listenOn AF_INET6 addr (cnfServerPort cnf)
+ )
+ ]
+
+ sequence_ launchers
+ waitForever
where
- httpLoop :: Socket -> IO ()
- httpLoop so
- = do (h, addr) <- acceptHTTP so
- tQueue <- newInteractionQueue
- readerTID <- forkIO $ requestReader cnf tree fbs h addr tQueue
- _writerTID <- forkIO $ responseWriter cnf h tQueue readerTID
- httpLoop so
+ launchListener :: SocketLike s => s -> IO ()
+ launchListener so
+ = do p <- SL.socketPort so
+ -- FIXME: Don't throw away the thread ID as we can't
+ -- kill it later then. [1]
+ _ <- forkIO $ httpLoop p so
+ return ()
- httpsLoop :: SSL.SSLContext -> Socket -> IO ()
- httpsLoop ctx so
- = do (ssl, addr) <- acceptHTTPS ctx so
- tQueue <- newInteractionQueue
- readerTID <- forkIO $ requestReader cnf tree fbs ssl addr tQueue
- _writerTID <- forkIO $ responseWriter cnf ssl tQueue readerTID
- httpsLoop ctx so
+ listenOn :: Family -> HostName -> ServiceName -> IO Socket
+ listenOn fam host srv
+ = do proto <- getProtocolNumber "tcp"
+ let hints = defaultHints {
+ addrFlags = [AI_PASSIVE]
+ , addrFamily = fam
+ , addrSocketType = Stream
+ , addrProtocol = proto
+ }
+ addrs <- getAddrInfo (Just hints) (Just host) (Just srv)
+ let addr = head addrs
+ bracketOnError
+ (socket (addrFamily addr) (addrSocketType addr) (addrProtocol addr))
+ (sClose)
+ (\ sock ->
+ do setSocketOption sock ReuseAddr 1
+ bindSocket sock (addrAddress addr)
+ listen sock maxListenQueue
+ return sock
+ )
- acceptHTTP :: Socket -> IO (Handle, So.SockAddr)
- acceptHTTP soSelf
- = do (soPeer, addr) <- So.accept soSelf
- hPeer <- So.socketToHandle soPeer ReadWriteMode
- return (hPeer, addr)
+ httpLoop :: SocketLike s => PortNumber -> s -> IO ()
+ httpLoop port so
+ = do (h, addr) <- SL.accept so
+ tQueue <- newInteractionQueue
+ readerTID <- forkIO $ requestReader cnf tree fbs h port addr tQueue
+ _writerTID <- forkIO $ responseWriter cnf h tQueue readerTID
+ httpLoop port so
- acceptHTTPS :: SSL.SSLContext -> Socket -> IO (SSL.SSL, So.SockAddr)
- acceptHTTPS ctx so
- = do (so', addr) <- So.accept so
- ssl <- SSL.connection ctx so'
- SSL.accept ssl
- return (ssl, addr)
+ waitForever :: IO ()
+ waitForever = forever (threadDelay 1000000)