mirror of https://github.com/voidlizard/hbs2
tcp rewritten
This commit is contained in:
voidlizard
parent
b2ce060650
commit
6c51498064
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@ -10,6 +10,6 @@ constraints:
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, http-client >=0.7.16 && <0.8
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, http-client >=0.7.16 && <0.8
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-- executable-static: True
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-- executable-static: True
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-- profiling: True
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profiling: True
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--library-profiling: False
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--library-profiling: False
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@ -21,14 +21,14 @@ import HBS2.Net.Messaging.Stream
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import HBS2.System.Logger.Simple
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import HBS2.System.Logger.Simple
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import HBS2.Misc.PrettyStuff
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import HBS2.Misc.PrettyStuff
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import Control.Concurrent.STM (flushTQueue)
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import Control.Concurrent.STM (flushTQueue,retry)
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import Control.Monad.Trans.Maybe
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import Control.Monad.Trans.Maybe
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import Data.Bits
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import Data.Bits
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import Data.ByteString.Lazy (ByteString)
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import Data.ByteString.Lazy (ByteString)
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import Data.ByteString.Lazy qualified as LBS
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import Data.ByteString.Lazy qualified as LBS
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import Data.Function
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import Data.Function
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import Data.HashMap.Strict (HashMap)
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import Data.HashMap.Strict (HashMap)
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import Data.HashMap.Strict qualified as HashMap
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import Data.HashMap.Strict qualified as HM
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import Data.List qualified as L
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import Data.List qualified as L
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import Data.Maybe
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import Data.Maybe
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import Data.Word
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import Data.Word
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@ -50,24 +50,20 @@ import Streaming.Prelude qualified as S
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-- FIXME: control-recv-capacity-to-avoid-leaks
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-- FIXME: control-recv-capacity-to-avoid-leaks
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outMessageQLen :: Natural
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outMessageQLen = 256
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-- | TCP Messaging environment
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-- | TCP Messaging environment
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data MessagingTCP =
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data MessagingTCP =
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MessagingTCP
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MessagingTCP
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{ _tcpSOCKS5 :: Maybe (PeerAddr L4Proto)
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{ _tcpSOCKS5 :: Maybe (PeerAddr L4Proto)
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, _tcpOwnPeer :: Peer L4Proto
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, _tcpOwnPeer :: Peer L4Proto
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, _tcpCookie :: Word32
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, _tcpCookie :: Word32
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, _tcpConnPeer :: TVar (HashMap Word64 (Peer L4Proto))
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, _tcpPeerConn :: TVar (HashMap (Peer L4Proto) Word64)
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, _tcpPeerConn :: TVar (HashMap (Peer L4Proto) Word64)
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, _tcpConnUsed :: TVar (HashMap Word64 Int)
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, _tcpPeerCookie :: TVar (HashMap Word32 Int)
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, _tcpConnQ :: TVar (HashMap Word64 (TQueue (Peer L4Proto, ByteString)))
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, _tcpConnDemand :: TQueue (Peer L4Proto)
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, _tcpPeerPx :: TVar (HashMap Word32 (Peer L4Proto))
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, _tcpReceived :: TBQueue (Peer L4Proto, ByteString)
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, _tcpPeerXp :: TVar (HashMap (Peer L4Proto) Word32)
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, _tcpSent :: TVar (HashMap (Peer L4Proto) (TBQueue ByteString))
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, _tcpRecv :: TQueue (Peer L4Proto, ByteString)
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, _tcpDefer :: TVar (HashMap (Peer L4Proto) [(TimeSpec, ByteString)])
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, _tcpDeferEv :: TQueue ()
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, _tcpSpawned :: TVar Int
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, _tcpFired :: TVar Int
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, _tcpConnWip :: TVar (HashMap (Peer L4Proto) TimeSpec)
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, _tcpProbe :: TVar AnyProbe
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, _tcpProbe :: TVar AnyProbe
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, _tcpOnClientStarted :: PeerAddr L4Proto -> Word64 -> IO () -- ^ Cient TCP connection succeed
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, _tcpOnClientStarted :: PeerAddr L4Proto -> Word64 -> IO () -- ^ Cient TCP connection succeed
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}
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}
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@ -89,55 +85,39 @@ newMessagingTCP pa = liftIO do
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<*> randomIO
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<*> randomIO
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<*> newTVarIO mempty
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<*> newTVarIO mempty
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<*> newTVarIO mempty
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<*> newTVarIO mempty
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<*> newTVarIO mempty
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<*> newTVarIO mempty
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<*> newTVarIO mempty
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<*> newTVarIO mempty
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<*> newTQueueIO
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<*> newTQueueIO
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<*> newTVarIO mempty
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<*> newTBQueueIO outMessageQLen
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<*> newTQueueIO
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<*> newTVarIO 0
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<*> newTVarIO 0
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<*> newTVarIO mempty
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<*> newTVarIO mempty
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<*> newTVarIO (AnyProbe ())
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<*> newTVarIO (AnyProbe ())
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<*> pure (\_ _ -> none) -- do nothing by default
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<*> pure (\_ _ -> none) -- do nothing by default
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instance Messaging MessagingTCP L4Proto ByteString where
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instance Messaging MessagingTCP L4Proto ByteString where
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sendTo bus (To p) (From _f) msg = liftIO do
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sendTo MessagingTCP{..} (To p) (From _f) msg = liftIO do
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let _own = view tcpOwnPeer bus
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-- let _own = tcpOwnPeer
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-- debug $ "!!!! FUCKING SEND TO" <+> pretty p
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co' <- atomically $ readTVar (view tcpPeerConn bus) <&> HashMap.lookup p
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queue <- atomically do
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q' <- readTVar _tcpSent <&> HM.lookup p
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-- debug $ "sendTo" <+> brackets (pretty own)
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case q' of
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-- <+> pretty p
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Nothing -> do
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-- <+> braces (pretty co')
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writeTQueue _tcpConnDemand p
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-- <+> pretty (LBS.length msg)
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q <- newTBQueue outMessageQLen
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modifyTVar _tcpSent (HM.insert p q)
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pure q
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maybe1 co' defer $ \co -> do
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Just q -> pure q
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-- trace $ "writing to" <+> pretty co
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q' <- atomically $ readTVar (view tcpConnQ bus) <&> HashMap.lookup co
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maybe1 q' (warn $ "no queue for" <+> pretty co) $ \q -> do
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atomically $ writeTQueue q (p, msg)
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where
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atomically $ writeTBQueueDropSTM 10 queue msg
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defer = do
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warn $ "defer" <+> pretty p
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t <- getTimeCoarse
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atomically $ modifyTVar (view tcpDefer bus) (HashMap.insertWith (<>) p [(t, msg)])
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atomically $ writeTQueue (view tcpDeferEv bus) ()
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receive bus _ = liftIO do
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let q = view tcpRecv bus
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ms <- atomically do
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r <- readTQueue q
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rs <- flushTQueue q
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pure (r:rs)
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forM ms $ \(p, msg) -> pure (From p, msg)
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-- debug $ "!!!! FUCKING SEND TO" <+> pretty p <+> "DONE"
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receive MessagingTCP{..} _ = liftIO do
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atomically do
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s0 <- readTBQueue _tcpReceived
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sx <- flushTBQueue _tcpReceived
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pure $ fmap (over _1 From) ( s0 : sx )
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connectionId :: Word32 -> Word32 -> Word64
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connectionId :: Word32 -> Word32 -> Word64
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connectionId a b = (fromIntegral hi `shiftL` 32) .|. fromIntegral low
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connectionId a b = (fromIntegral hi `shiftL` 32) .|. fromIntegral low
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@ -145,7 +125,6 @@ connectionId a b = (fromIntegral hi `shiftL` 32) .|. fromIntegral low
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low = min a b
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low = min a b
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hi = max a b
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hi = max a b
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data ConnType = Server | Client
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data ConnType = Server | Client
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deriving (Eq,Ord,Show,Generic)
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deriving (Eq,Ord,Show,Generic)
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@ -183,352 +162,225 @@ handshake Client env so = do
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sendCookie env so
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sendCookie env so
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recvCookie env so
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recvCookie env so
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spawnConnection :: forall m . MonadIO m
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writeTBQueueDropSTM :: Integral n
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=> ConnType
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=> n
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-> MessagingTCP
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-> TBQueue a
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-> Socket
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-> a
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-> SockAddr
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-> STM ()
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-> m ()
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writeTBQueueDropSTM inQLen newInQ bs = do
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flip fix inQLen $ \more j -> do
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spawnConnection tp env@MessagingTCP{..} so sa = liftIO do
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when (j > 0) do
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full <- isFullTBQueue newInQ
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flip runContT pure $ do
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if not full then do
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writeTBQueue newInQ bs
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let myCookie = view tcpCookie env
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else do
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let own = view tcpOwnPeer env
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void $ tryReadTBQueue newInQ
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let newP = fromSockAddr @'TCP sa
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more (pred j)
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theirCookie <- handshake tp env so
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let connId = connectionId myCookie theirCookie
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when (tp == Client && theirCookie /= myCookie) do
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pa <- toPeerAddr newP
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liftIO $ view tcpOnClientStarted env pa connId -- notify if we opened client tcp connection
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traceCmd own
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( "spawnConnection "
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<+> viaShow tp
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<+> pretty myCookie
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<+> pretty connId )
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newP
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debug $ "handshake" <+> viaShow tp
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<+> brackets (pretty (view tcpOwnPeer env))
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<+> pretty sa
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<+> pretty theirCookie
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<+> pretty connId
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used <- atomically $ do
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modifyTVar (view tcpConnUsed env) (HashMap.insertWith (+) connId 1)
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readTVar (view tcpConnUsed env) <&> HashMap.findWithDefault 0 connId
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void $ ContT $ bracket (pure connId) cleanupConn
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killCookie :: Int -> Maybe Int
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killCookie = \case
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debug $ "USED:" <+> viaShow tp <+> pretty own <+> pretty used
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1 -> Nothing
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n -> Just (pred n)
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-- when ( used <= 2 ) do
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atomically $ modifyTVar (view tcpPeerConn env) (HashMap.insert newP connId)
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when (used == 1) do
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atomically $ modifyTVar _tcpSpawned succ
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q <- getWriteQueue connId
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updatePeer connId newP
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debug $ "NEW PEER" <+> brackets (pretty own)
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<+> pretty connId
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<+> pretty newP
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<+> parens ("used:" <+> pretty used)
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rd <- ContT $ withAsync $ fix \next -> do
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spx <- readFromSocket so 4 <&> LBS.toStrict
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ssize <- readFromSocket so 4 <&> LBS.toStrict --- УУУ, фреейминг
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let px = word32 spx -- & fromIntegral
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let size = word32 ssize & fromIntegral
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bs <- readFromSocket so size
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memReqId newP px
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pxes <- readTVarIO (view tcpPeerPx env)
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let orig = fromMaybe (fromSockAddr @'TCP sa) (HashMap.lookup px pxes)
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-- debug $ "RECEIVED" <+> pretty orig <+> pretty (LBS.length bs)
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atomically $ writeTQueue (view tcpRecv env) (orig, bs)
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next
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wr <- ContT $ withAsync $ fix \next -> do
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(rcpt, bs) <- atomically $ readTQueue q
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pq <- makeReqId rcpt
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let qids = bytestring32 pq
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let size = bytestring32 (fromIntegral $ LBS.length bs)
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let frame = LBS.fromStrict qids
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<> LBS.fromStrict size -- req-size
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<> bs -- payload
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sendLazy so frame --(LBS.toStrict frame)
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next
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ContT $ bracket none $ \_ -> mapM cancel [rd,wr]
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ContT $ bracket (pure connId) cleanupConn
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ContT $ bracket none (const $ atomically $ modifyTVar _tcpSpawned pred)
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void $ waitAnyCatchCancel [rd,wr]
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-- gracefulClose so 1000
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debug $ "spawnConnection exit" <+> pretty sa
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where
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memReqId newP px =
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atomically $ modifyTVar (view tcpPeerXp env) (HashMap.insert newP px)
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makeReqId rcpt = do
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let pxes = view tcpPeerPx env
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let xpes = view tcpPeerXp env
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nq <- randomIO
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atomically $ do
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px <- readTVar xpes <&> HashMap.lookup rcpt
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case px of
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Just qq -> pure qq
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Nothing -> do
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modifyTVar pxes (HashMap.insert nq rcpt)
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modifyTVar xpes (HashMap.insert rcpt nq)
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pure nq
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updatePeer connId newP = atomically $ do
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modifyTVar (view tcpPeerConn env) (HashMap.insert newP connId)
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modifyTVar (view tcpConnPeer env) (HashMap.insert connId newP)
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getWriteQueue connId = atomically $ do
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readTVar (view tcpConnQ env) >>= \x -> do
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case HashMap.lookup connId x of
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Just qq -> pure qq
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Nothing -> do
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newQ <- newTQueue
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modifyTVar (view tcpConnQ env) (HashMap.insert connId newQ)
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pure newQ
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cleanupConn connId = atomically do
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modifyTVar (view tcpConnUsed env) (HashMap.alter del connId)
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used <- readTVar (view tcpConnUsed env) <&> HashMap.findWithDefault 0 connId
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when (used == 0) do
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p <- stateTVar (view tcpConnPeer env)
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$ \x -> (HashMap.lookup connId x, HashMap.delete connId x)
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maybe1 p none $ \pp ->
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modifyTVar (view tcpPeerConn env) (HashMap.delete pp)
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modifyTVar (view tcpConnQ env) (HashMap.delete connId)
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where
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del = \case
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Nothing -> Nothing
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Just n | n <= 1 -> Nothing
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| otherwise -> Just (pred n)
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connectPeerTCP :: MonadIO m
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=> MessagingTCP
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-> Peer L4Proto
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-> m ()
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connectPeerTCP env peer = liftIO do
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pa <- toPeerAddr peer
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let (L4Address _ (IPAddrPort (i,p))) = pa
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here <- readTVarIO (view tcpPeerConn env) <&> HashMap.member peer
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unless here do
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case view tcpSOCKS5 env of
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Nothing -> do
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connect (show i) (show p) $ \(sock, remoteAddr) -> do
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spawnConnection Client env sock remoteAddr
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shutdown sock ShutdownBoth
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Just socks5 -> do
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let (L4Address _ (IPAddrPort (socks,socksp))) = socks5
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connectSOCKS5 (show socks) (show socksp) (show i) (show p) $ \(sock, socksAddr, _) -> do
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let (PeerL4{..}) = peer
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debug $ "CONNECTED VIA SOCKS5" <+> pretty socksAddr <+> pretty pa
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spawnConnection Client env sock _sockAddr
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shutdown sock ShutdownBoth
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-- FIXME: link-all-asyncs
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fireTCP :: forall e m . (e ~ L4Proto, Pretty (PeerAddr e), IsPeerAddr e m, MonadUnliftIO m) => MessagingTCP -> Peer e -> m () -> m ()
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fireTCP MessagingTCP{..} pip what = do
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void $ do
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pa <- toPeerAddr @e pip
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now <- getTimeCoarse
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fire <- atomically do
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here <- readTVar _tcpConnWip <&> HashMap.member pip
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unless here do
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modifyTVar _tcpConnWip (HashMap.insert pip now)
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pure (not here)
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when fire do
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debug $ "Fire TCP" <+> pretty pa
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atomically (modifyTVar _tcpFired succ)
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void $ async do
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r <- U.try @_ @SomeException what
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atomically (modifyTVar _tcpFired pred)
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either U.throwIO dontHandle r
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runMessagingTCP :: forall m . MonadIO m => MessagingTCP -> m ()
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runMessagingTCP :: forall m . MonadIO m => MessagingTCP -> m ()
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runMessagingTCP env@MessagingTCP{..} = liftIO do
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runMessagingTCP env@MessagingTCP{..} = liftIO do
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void $ flip runContT pure do
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void $ flip runContT pure do
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own <- toPeerAddr $ view tcpOwnPeer env
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p1 <- ContT $ withAsync runClient
|
||||||
let (L4Address _ (IPAddrPort (i,p))) = own
|
p2 <- ContT $ withAsync runServer
|
||||||
|
|
||||||
let defs = view tcpDefer env
|
waitAnyCatchCancel [p1,p2]
|
||||||
|
-- waitAnyCatchCancel [p2]
|
||||||
|
-- waitAnyCatchCancel [p1]
|
||||||
|
|
||||||
mon <- ContT $ withAsync $ forever do
|
where
|
||||||
pause @'Seconds 30
|
|
||||||
now <- getTimeCoarse
|
|
||||||
|
|
||||||
-- FIXME: time-hardcode-again
|
runServer :: forall m . MonadIO m => m ()
|
||||||
let expire = filter (\e -> (realToFrac (toNanoSecs (now - fst e)) / (1e9 :: Double)) < 30)
|
runServer = do
|
||||||
atomically $ modifyTVar defs
|
|
||||||
$ HashMap.mapMaybe
|
|
||||||
$ \es -> let rs = expire es
|
|
||||||
in case rs of
|
|
||||||
[] -> Nothing
|
|
||||||
xs -> Just xs
|
|
||||||
|
|
||||||
con <- ContT $ withAsync $ forever do
|
own <- toPeerAddr $ view tcpOwnPeer env
|
||||||
|
let (L4Address _ (IPAddrPort (i,p))) = own
|
||||||
|
let myCookie = view tcpCookie env
|
||||||
|
|
||||||
let ev = view tcpDeferEv env
|
-- server
|
||||||
|
liftIO $ listen (Host (show i)) (show p) $ \(sock, sa) -> do
|
||||||
|
withFdSocket sock setCloseOnExecIfNeeded
|
||||||
|
debug $ "Listening on" <+> pretty sa
|
||||||
|
|
||||||
-- FIXME: wait-period-hardcode
|
forever do
|
||||||
void $ race (pause @'Seconds 0.25) (atomically $ readTQueue ev >> flushTQueue ev)
|
void $ acceptFork sock $ \(so, remote) -> void $ flip runContT pure $ callCC \exit -> do
|
||||||
|
liftIO $ withFdSocket so setCloseOnExecIfNeeded
|
||||||
|
debug $ "!!! GOT INCOMING CONNECTION FROM !!!"
|
||||||
|
<+> brackets (pretty own)
|
||||||
|
<+> brackets (pretty sa)
|
||||||
|
|
||||||
dePips <- readTVarIO defs <&> HashMap.keys
|
cookie <- handshake Server env so
|
||||||
|
|
||||||
|
when (cookie == myCookie) $ exit ()
|
||||||
|
|
||||||
forM_ dePips $ \pip -> void $ runMaybeT do
|
here <- atomically do
|
||||||
|
n <- readTVar _tcpPeerCookie <&> HM.member cookie
|
||||||
|
|
||||||
-- FIXME: make-sure-it-is-correct
|
unless n do
|
||||||
already <- readTVarIO _tcpPeerXp <&> HashMap.member pip
|
modifyTVar _tcpPeerCookie (HM.insertWith (+) cookie 1)
|
||||||
|
|
||||||
guard (not already)
|
pure n
|
||||||
|
|
||||||
msgs <- readTVarIO defs <&> HashMap.findWithDefault mempty pip
|
when here $ do
|
||||||
|
debug $ "SERVER : ALREADY CONNECTED" <+> pretty cookie <+> viaShow so
|
||||||
|
exit ()
|
||||||
|
|
||||||
unless (L.null msgs) do
|
let newP = fromSockAddr @'TCP remote :: Peer L4Proto
|
||||||
trace $ "DEFERRED FOR" <+> pretty pip <+> pretty (length msgs)
|
|
||||||
|
|
||||||
let len = length msgs
|
-- FIXME: queue-size-hardcode
|
||||||
|
let inQLen = outMessageQLen
|
||||||
|
|
||||||
when (len > 10) do
|
newInQ <- liftIO $ newTBQueueIO inQLen
|
||||||
-- FIXME: deferred-message-hardcoded
|
|
||||||
atomically $ modifyTVar defs (HashMap.adjust (L.drop (len - 10)) pip)
|
|
||||||
|
|
||||||
co' <- atomically $ readTVar (view tcpPeerConn env) <&> HashMap.lookup pip
|
newOutQ <- do
|
||||||
|
atomically do
|
||||||
|
mbQ <- readTVar _tcpSent <&> HM.lookup newP
|
||||||
|
maybe (newTBQueue outMessageQLen) pure mbQ
|
||||||
|
|
||||||
when (isNothing co') do
|
|
||||||
trace $ red "No session for" <+> pretty pip
|
|
||||||
|
|
||||||
lift $ maybe1 co' (void $ fireTCP env pip (connectPeerTCP env pip)) $ \co -> do
|
|
||||||
q' <- atomically $ readTVar (view tcpConnQ env) <&> HashMap.lookup co
|
|
||||||
maybe1 q' none $ \q -> do
|
|
||||||
atomically do
|
atomically do
|
||||||
mss <- readTVar defs <&> HashMap.findWithDefault mempty pip
|
modifyTVar _tcpSent (HM.insert newP newOutQ)
|
||||||
modifyTVar defs $ HashMap.delete pip
|
modifyTVar _tcpPeerConn (HM.insert newP (connectionId myCookie cookie))
|
||||||
forM_ mss $ \m -> writeTQueue q (pip, snd m)
|
|
||||||
|
|
||||||
stat <- ContT $ withAsync $ forever do
|
wr <- ContT $ withAsync $ forever do
|
||||||
pause @'Seconds 120
|
bs <- atomically $ readTBQueue newOutQ
|
||||||
ps <- readTVarIO $ view tcpConnPeer env
|
|
||||||
let peers = HashMap.toList ps
|
|
||||||
forM_ peers $ \(c,pip) -> do
|
|
||||||
used <- readTVarIO (view tcpConnUsed env) <&> HashMap.findWithDefault 0 c
|
|
||||||
trace $ "peer" <+> brackets (pretty own)
|
|
||||||
<+> pretty pip
|
|
||||||
<+> pretty c
|
|
||||||
<+> parens ("used:" <+> pretty used)
|
|
||||||
|
|
||||||
cleanup <- ContT $ withAsync $ forever do
|
-- FIXME: check-this!
|
||||||
pause @Seconds 60
|
let pq = myCookie -- randomIO
|
||||||
now <- getTimeCoarse
|
let qids = bytestring32 pq
|
||||||
connWip <- readTVarIO _tcpConnWip <&> HashMap.toList
|
let size = bytestring32 (fromIntegral $ LBS.length bs)
|
||||||
let connAlive = [ (k,v) | (k,v) <- connWip, not (expired (TimeoutSec 60) (now - v)) ]
|
|
||||||
atomically $ writeTVar _tcpConnWip (HashMap.fromList connAlive)
|
|
||||||
|
|
||||||
mapM_ link [mon,con,stat,cleanup]
|
let frame = LBS.fromStrict qids
|
||||||
|
<> LBS.fromStrict size -- req-size
|
||||||
|
<> bs -- payload
|
||||||
|
|
||||||
probes <- ContT $ withAsync $ forever do
|
sendLazy so frame --(LBS.toStrict frame)
|
||||||
pause @'Seconds 10
|
|
||||||
probe <- readTVarIO _tcpProbe
|
|
||||||
acceptReport probe =<< S.toList_ do
|
|
||||||
S.yield =<< atomically (readTVar _tcpConnPeer <&> ("tcpConnPeer",) . fromIntegral . HashMap.size)
|
|
||||||
S.yield =<< atomically (readTVar _tcpPeerConn <&> ("tcpPeerConn",) . fromIntegral . HashMap.size)
|
|
||||||
S.yield =<< atomically (readTVar _tcpConnUsed <&> ("tcpConnUsed",) . fromIntegral . HashMap.size)
|
|
||||||
S.yield =<< atomically (readTVar _tcpConnQ <&> ("tcpConnQ",) . fromIntegral . HashMap.size)
|
|
||||||
S.yield =<< atomically (readTVar _tcpPeerPx <&> ("tcpPeerPx",) . fromIntegral . HashMap.size)
|
|
||||||
S.yield =<< atomically (readTVar _tcpPeerXp <&> ("tcpPeerXp",) . fromIntegral . HashMap.size)
|
|
||||||
S.yield =<< atomically (readTVar _tcpDefer <&> ("tcpPeerDefer",) . fromIntegral . HashMap.size)
|
|
||||||
S.yield =<< atomically (readTVar _tcpSpawned <&> ("tcpSpawned",) . fromIntegral)
|
|
||||||
S.yield =<< atomically (readTVar _tcpFired <&> ("tcpFired",) . fromIntegral)
|
|
||||||
S.yield =<< atomically (readTVar _tcpConnWip <&> ("tcpConnWip",) . fromIntegral . HashMap.size)
|
|
||||||
|
|
||||||
ContT $ bracket (pure ()) $ \_ -> mapM_ cancel [mon,con,stat,probes,cleanup]
|
rd <- ContT $ withAsync $ forever do
|
||||||
|
|
||||||
liftIO $ listen (Host (show i)) (show p) $ \(sock, sa) -> do
|
spx <- readFromSocket so 4 <&> LBS.toStrict
|
||||||
withFdSocket sock setCloseOnExecIfNeeded
|
ssize <- readFromSocket so 4 <&> LBS.toStrict --- УУУ, фреейминг
|
||||||
debug $ "Listening on" <+> pretty sa
|
let px = word32 spx -- & fromIntegral
|
||||||
|
let size = word32 ssize & fromIntegral
|
||||||
|
|
||||||
forever do
|
bs <- readFromSocket so size
|
||||||
void $ acceptFork sock $ \(so, remote) -> do
|
|
||||||
withFdSocket so setCloseOnExecIfNeeded
|
|
||||||
trace $ "GOT INCOMING CONNECTION FROM"
|
|
||||||
<+> brackets (pretty own)
|
|
||||||
<+> brackets (pretty sa)
|
|
||||||
<+> pretty remote
|
|
||||||
|
|
||||||
void $ try @SomeException $ do
|
-- debug $ "READ SHIT FROM SOCKET!" <+> pretty remote
|
||||||
|
|
||||||
spawnConnection Server env so remote
|
atomically $ writeTBQueueDropSTM outMessageQLen _tcpReceived (newP, bs)
|
||||||
|
|
||||||
-- gracefulClose so 1000
|
void $ ContT $ bracket none $ const do
|
||||||
|
debug $ "SHUTDOWN SOCKET AND SHIT" <+> pretty remote
|
||||||
|
cancel rd
|
||||||
|
cancel wr
|
||||||
|
shutdown so ShutdownBoth
|
||||||
|
|
||||||
-- TODO: probably-cleanup-peer
|
atomically do
|
||||||
-- TODO: periodically-drop-inactive-connections
|
modifyTVar _tcpSent (HM.delete newP)
|
||||||
|
modifyTVar _tcpPeerCookie $ \m -> do
|
||||||
|
HM.update killCookie cookie m
|
||||||
|
|
||||||
debug $ "CLOSING CONNECTION" <+> pretty remote
|
void $ waitAnyCatchCancel [rd,wr]
|
||||||
shutdown so ShutdownBoth
|
|
||||||
close so -- ) -- `U.finally` mapM_ cancel [mon,con,stat]
|
|
||||||
|
|
||||||
|
|
||||||
traceCmd :: forall a ann b m . ( Pretty a
|
runClient :: forall m . MonadIO m => m ()
|
||||||
, Pretty b
|
runClient = do
|
||||||
, MonadIO m
|
|
||||||
)
|
own <- toPeerAddr $ view tcpOwnPeer env
|
||||||
=> a -> Doc ann -> b -> m ()
|
let (L4Address _ (IPAddrPort (i,p))) = own
|
||||||
|
let myCookie = view tcpCookie env
|
||||||
|
|
||||||
|
pause @'Seconds 30
|
||||||
|
|
||||||
|
forever $ void $ runMaybeT do
|
||||||
|
-- client sockets
|
||||||
|
|
||||||
|
-- смотрим к кому надо
|
||||||
|
who <- atomically $ readTQueue _tcpConnDemand
|
||||||
|
whoAddr <- toPeerAddr who
|
||||||
|
|
||||||
|
already <- atomically $ readTVar _tcpPeerConn <&> HM.member who
|
||||||
|
|
||||||
|
when already do
|
||||||
|
debug "SHIT? BUSYLOOP?"
|
||||||
|
mzero
|
||||||
|
|
||||||
|
-- FIXME: !!!
|
||||||
|
liftIO $ asyncLinked do
|
||||||
|
let (L4Address _ (IPAddrPort (ip,port))) = whoAddr
|
||||||
|
connect (show ip) (show port) $ \(so, remoteAddr) -> do
|
||||||
|
flip runContT pure $ callCC \exit -> do
|
||||||
|
|
||||||
|
debug $ "OPEN CLIENT CONNECTION" <+> pretty ip <+> pretty port <+> pretty remoteAddr
|
||||||
|
cookie <- handshake Client env so
|
||||||
|
let connId = connectionId cookie myCookie
|
||||||
|
|
||||||
|
when (cookie == myCookie) $ exit ()
|
||||||
|
|
||||||
|
here <- atomically do
|
||||||
|
n <- readTVar _tcpPeerCookie <&> HM.member cookie
|
||||||
|
|
||||||
|
unless n do
|
||||||
|
modifyTVar _tcpPeerCookie (HM.insertWith (+) cookie 1)
|
||||||
|
|
||||||
|
modifyTVar _tcpPeerConn (HM.insert who connId)
|
||||||
|
|
||||||
|
pure n
|
||||||
|
|
||||||
|
-- TODO: handshake notification
|
||||||
|
liftIO $ _tcpOnClientStarted whoAddr connId
|
||||||
|
|
||||||
|
when here do
|
||||||
|
debug $ "CLIENT: ALREADY CONNECTED" <+> pretty cookie <+> pretty ip <+> pretty port
|
||||||
|
exit ()
|
||||||
|
|
||||||
|
atomically $ modifyTVar _tcpPeerCookie (HM.insertWith (+) cookie 1)
|
||||||
|
|
||||||
|
wr <- ContT $ withAsync $ forever do
|
||||||
|
bss <- atomically do
|
||||||
|
q' <- readTVar _tcpSent <&> HM.lookup who
|
||||||
|
maybe1 q' mempty $ \q -> do
|
||||||
|
s <- readTBQueue q
|
||||||
|
sx <- flushTBQueue q
|
||||||
|
pure (s:sx)
|
||||||
|
|
||||||
|
for_ bss $ \bs -> do
|
||||||
|
-- FIXME: check-this!
|
||||||
|
let pq = myCookie -- randomIO
|
||||||
|
let qids = bytestring32 pq
|
||||||
|
let size = bytestring32 (fromIntegral $ LBS.length bs)
|
||||||
|
|
||||||
|
let frame = LBS.fromStrict qids
|
||||||
|
<> LBS.fromStrict size -- req-size
|
||||||
|
<> bs -- payload
|
||||||
|
|
||||||
|
sendLazy so frame --(LBS.toStrict frame)
|
||||||
|
|
||||||
|
void $ ContT $ bracket none (const $ cancel wr)
|
||||||
|
|
||||||
|
void $ ContT $ bracket none $ const $ do
|
||||||
|
atomically do
|
||||||
|
modifyTVar _tcpPeerConn (HM.delete who)
|
||||||
|
modifyTVar _tcpPeerCookie $ \m -> do
|
||||||
|
HM.update killCookie cookie m
|
||||||
|
|
||||||
|
forever do
|
||||||
|
|
||||||
|
spx <- readFromSocket so 4 <&> LBS.toStrict
|
||||||
|
ssize <- readFromSocket so 4 <&> LBS.toStrict --- УУУ, фреейминг
|
||||||
|
let px = word32 spx -- & fromIntegral
|
||||||
|
let size = word32 ssize & fromIntegral
|
||||||
|
|
||||||
|
bs <- readFromSocket so size
|
||||||
|
|
||||||
|
-- debug $ "READ SHIT FROM CLIENT SOCKET!" <+> pretty remoteAddr
|
||||||
|
|
||||||
|
atomically $ writeTBQueueDropSTM 10 _tcpReceived (who, bs)
|
||||||
|
|
||||||
traceCmd p1 s p2 = do
|
|
||||||
trace $ brackets (pretty p1)
|
|
||||||
<+> s
|
|
||||||
<+> parens (pretty p2)
|
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue