mirror of https://github.com/voidlizard/hbs2
unix sockets to support multiple clients
This commit is contained in:
Dmitry Zuikov
parent
00800e0867
commit
902125da75
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@ -1,3 +1,23 @@
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TODO: test-unix-sockets-multiple-clients
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Протестировать, работают ли Unix сокеты
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в режиме с многими клиентами.
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TODO: hbs2-peer-storage-unix-socket-rpc
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RPC специфичное для операций со сторейджем.
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Команды соответствуют методам Storage.
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Синхронная обёртка, т.е некий тайпкласс,
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который говорит, как в команды протокола
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добавлять уникальный нонс, и обёртка,
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которая после отправки запроса ждёт
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ответа с заданным нонсом.
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Хорошо бы типизировать, т.е с одной стороны
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не хочется делать разные типы, это вроде бы
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один протокол.
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С другой стороны, непонятно, как это
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типизировать тогда.
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@ -308,7 +308,7 @@ instance ( MonadIO m
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when allowed do
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sendTo pipe (To peer_e) (From me) (AnyMessage @(Encoded e) @e proto (encode msg))
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trace $ "REQUEST: after sendTo" <+> viaShow peer_e
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-- trace $ "REQUEST: after sendTo" <+> viaShow peer_e
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instance ( Typeable (EventHandler e p (PeerM e IO))
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@ -1,3 +1,4 @@
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{-# Language TemplateHaskell #-}
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module HBS2.Net.Messaging.Unix where
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import HBS2.Prelude.Plated
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@ -14,6 +15,8 @@ import Data.ByteString.Lazy qualified as LBS
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import Data.Function
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import Data.Functor
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import Data.Hashable
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import Data.HashMap.Strict qualified as HashMap
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import Data.HashMap.Strict (HashMap)
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import Data.List qualified as List
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import Network.ByteOrder hiding (ByteString)
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import Network.Socket
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@ -21,11 +24,28 @@ import Network.Socket.ByteString
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import Control.Concurrent.STM.TQueue (flushTQueue)
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import Data.Set (Set)
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import Data.Set qualified as Set
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import Lens.Micro.Platform
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import UnliftIO
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import Control.Concurrent (myThreadId)
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data UNIX = UNIX
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deriving (Eq,Ord,Show,Generic)
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type PeerUnixAddr = String
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instance HasPeer UNIX where
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newtype instance Peer UNIX = PeerUNIX { _fromPeerUnix :: PeerUnixAddr}
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deriving stock (Eq,Ord,Show,Generic)
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deriving newtype (Pretty)
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instance IsString (Peer UNIX) where
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fromString = PeerUNIX
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instance Hashable (Peer UNIX) where
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hashWithSalt salt (PeerUNIX p) = hashWithSalt salt p
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{- HLINT ignore "Use newtype instead of data" -}
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data MessagingUnixOpts =
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MUWatchdog Int
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@ -40,13 +60,14 @@ data MessagingUnix =
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, msgUnixRetryTime :: Timeout 'Seconds
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, msgUnixSelf :: Peer UNIX
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, msgUnixOpts :: Set MessagingUnixOpts
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, msgUnixInbox :: TQueue ByteString
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, msgUnixSendTo :: TVar (HashMap (Peer UNIX) (TQueue ByteString))
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, msgUnixRecv :: TQueue (From UNIX, ByteString)
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, msgUnixLast :: TVar TimeSpec
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, msgUnixAccepts :: TVar Int
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, msgSockets :: TVar (HashMap (Peer UNIX) Socket)
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}
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makeLenses 'PeerUNIX
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newMessagingUnix :: MonadIO m
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=> Bool
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@ -57,7 +78,7 @@ newMessagingUnix :: MonadIO m
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newMessagingUnix server tsec path = do
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newMessagingUnixOpts mempty server tsec path
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newMessagingUnixOpts :: MonadIO m
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newMessagingUnixOpts :: (MonadIO m)
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=> [MessagingUnixOpts]
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-> Bool
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-> Timeout 'Seconds
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@ -65,39 +86,23 @@ newMessagingUnixOpts :: MonadIO m
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-> m MessagingUnix
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newMessagingUnixOpts opts server tsec path = do
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let sa = SockAddrUnix path
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now <- getTimeCoarse
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MessagingUnix path
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server
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tsec
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(PeerUNIX sa)
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(PeerUNIX path)
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(Set.fromList opts)
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<$> liftIO newTQueueIO
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<$> liftIO (newTVarIO mempty)
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<*> liftIO newTQueueIO
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<*> liftIO (newTVarIO now)
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<*> liftIO (newTVarIO 0)
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instance HasPeer UNIX where
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newtype instance Peer UNIX = PeerUNIX {fromPeerUnix :: SockAddr}
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deriving stock (Eq,Ord,Show,Generic)
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deriving newtype (Pretty)
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instance IsString (Peer UNIX) where
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fromString p = PeerUNIX (SockAddrUnix p)
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-- FIXME: fix-code-dup?
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instance Hashable (Peer UNIX) where
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hashWithSalt salt p = case fromPeerUnix p of
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SockAddrInet pn h -> hashWithSalt salt (4, fromIntegral pn, h)
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SockAddrInet6 pn _ h _ -> hashWithSalt salt (6, fromIntegral pn, h)
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SockAddrUnix s -> hashWithSalt salt ("unix", s)
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<*> liftIO (newTVarIO mempty)
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data ReadTimeoutException = ReadTimeoutException deriving (Show, Typeable)
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instance Exception ReadTimeoutException
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runMessagingUnix :: MonadUnliftIO m => MessagingUnix -> m ()
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runMessagingUnix env = do
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@ -118,12 +123,9 @@ runMessagingUnix env = do
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void $ allocate (pure sock) (`shutdown` ShutdownBoth)
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liftIO $ bind sock $ SockAddrUnix (msgUnixSockPath env)
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liftIO $ listen sock 1
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liftIO $ listen sock 5
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let doFork = Set.member MUFork (msgUnixOpts env)
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let withSession | doFork = void . async . runResourceT
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| otherwise = void . runResourceT
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let withSession = void . async . runResourceT
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watchdog <- async $ do
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@ -149,27 +151,52 @@ runMessagingUnix env = do
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run <- async $ forever $ runResourceT do
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(so, sa) <- liftIO $ accept sock
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atomically $ modifyTVar (msgUnixAccepts env) succ
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-- FIXME: fixing-unix-sockets
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-- Вот тут: нумеруем клиентов, в PeerAddr ставим
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-- строку или номер.
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peerNum <- atomically $ do
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n <- readTVar (msgUnixAccepts env)
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modifyTVar (msgUnixAccepts env) succ
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pure n
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withSession do
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ti <- liftIO myThreadId
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let that = msgUnixSelf env & over fromPeerUnix (<> "#" <> show peerNum)
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void $ allocate ( createQueues env that ) dropQueuesFor
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void $ allocate (pure so) close
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writer <- async $ forever do
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msg <- liftIO . atomically $ readTQueue (msgUnixInbox env)
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let len = fromIntegral $ LBS.length msg :: Int
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liftIO $ sendAll so $ bytestring32 (fromIntegral len)
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liftIO $ sendAll so $ LBS.toStrict msg
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mq <- atomically $ readTVar (msgUnixSendTo env) <&> HashMap.lookup that
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maybe1 mq none $ \q -> do
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msg <- liftIO . atomically $ readTQueue q
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let len = fromIntegral $ LBS.length msg :: Int
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liftIO $ sendAll so $ bytestring32 (fromIntegral len)
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liftIO $ sendAll so $ LBS.toStrict msg
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void $ allocate (pure writer) cancel
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link writer
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fix \next -> do
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-- FIXME: timeout-hardcode
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me <- liftIO myThreadId
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let mq = Just (msgUnixRecv env)
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frameLen <- liftIO $ recv so 4 <&> word32 <&> fromIntegral
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frame <- liftIO $ recv so frameLen
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atomically $ writeTQueue (msgUnixRecv env) (From (PeerUNIX sa), LBS.fromStrict frame)
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let s = if msgUnixServer env then "S-" else "C-"
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maybe1 mq none $ \q -> do
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atomically $ writeTQueue q (From that, LBS.fromStrict frame)
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now <- getTimeCoarse
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atomically $ writeTVar (msgUnixLast env) now
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next
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@ -183,12 +210,16 @@ runMessagingUnix env = do
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runClient = liftIO $ forever $ handleAny logAndRetry $ runResourceT do
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let sa = SockAddrUnix (msgUnixSockPath env)
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let p = msgUnixSockPath env
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let who = PeerUNIX p
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createQueues env who
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sock <- liftIO $ socket AF_UNIX Stream defaultProtocol
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void $ allocate (pure sock) close
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let sa = SockAddrUnix (msgUnixSockPath env)
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let attemptConnect = do
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result <- liftIO $ try $ connect sock $ SockAddrUnix (msgUnixSockPath env)
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case result of
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@ -200,17 +231,32 @@ runMessagingUnix env = do
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attemptConnect
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reader <- async $ forever do
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-- TODO: create-queues!
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reader <- async $ do
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forever do
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let q = msgUnixRecv env
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-- Read response from server
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frameLen <- liftIO $ recv sock 4 <&> word32 <&> fromIntegral
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frame <- liftIO $ recv sock frameLen
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atomically $ writeTQueue (msgUnixRecv env) (From (PeerUNIX sa), LBS.fromStrict frame)
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frameLen <- liftIO $ recv sock 4 <&> word32 <&> fromIntegral
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frame <- liftIO $ recv sock frameLen
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-- сообщения кому? **МНЕ**
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-- сообщения от кого? от **КОГО-ТО**
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atomically $ writeTQueue q (From who, LBS.fromStrict frame)
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forever do
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msg <- liftIO . atomically $ readTQueue (msgUnixInbox env)
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let len = fromIntegral $ LBS.length msg :: Int
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liftIO $ sendAll sock $ bytestring32 (fromIntegral len)
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liftIO $ sendAll sock $ LBS.toStrict msg
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-- Мы клиент. Шлём кому? **ЕМУ**, на том конце трубы.
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-- У нас один контрагент, имя сокета (файла) == адрес пира.
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-- Как в TCP порт сервиса (а отвечает тот с другого порта)
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mq <- atomically $ readTVar (msgUnixSendTo env) <&> HashMap.lookup who
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maybe1 mq none $ \q -> do
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msg <- liftIO . atomically $ readTQueue q
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let len = fromIntegral $ LBS.length msg :: Int
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liftIO $ sendAll sock $ bytestring32 (fromIntegral len)
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liftIO $ sendAll sock $ LBS.toStrict msg
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void $ waitAnyCatchCancel [reader]
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@ -218,22 +264,68 @@ runMessagingUnix env = do
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warn $ "MessagingUnix. client seems gone. restaring server" <+> pretty (msgUnixSelf env)
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err (viaShow e)
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atomically $ writeTVar (msgUnixAccepts env) 0
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liftIO $ atomically $ void $ flushTQueue (msgUnixInbox env)
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liftIO $ atomically $ void $ flushTQueue (msgUnixRecv env)
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dropQueues
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pause (msgUnixRetryTime env)
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logAndRetry :: SomeException -> IO ()
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logAndRetry e = do
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warn $ "MessagingUnix. runClient failed, probably server is gone. Retrying:" <+> pretty (msgUnixSelf env)
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err (viaShow e)
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dropQueues
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pause (msgUnixRetryTime env)
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dropQueues :: MonadIO m => m ()
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dropQueues = do
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-- liftIO $ atomically $ modifyTVar (msgUnixRecvFrom env) mempty
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liftIO $ atomically $ modifyTVar (msgUnixSendTo env) mempty
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-- мы не дропаем обратную очередь (принятые сообщения), потому,
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-- что нет смысла. она живёт столько, сколько живёт клиент
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-- очередь отправки мы удаляем, потому, что этого клиента
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-- мы больше никогда не увидим, ведь они разделяются на уровне
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-- сокетов и больше никак.
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dropQueuesFor :: MonadIO m => Peer UNIX -> m ()
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dropQueuesFor who = liftIO do
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atomically do
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modifyTVar (msgUnixSendTo env) (HashMap.delete who)
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-- modifyTVar (msgUnixRecvFrom env) (HashMap.delete who)
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createQueues :: MonadIO m => MessagingUnix -> Peer UNIX -> m (Peer UNIX)
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createQueues env who = liftIO do
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atomically $ do
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sHere <- readTVar (msgUnixSendTo env) <&> HashMap.member who
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if sHere then do
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pure False
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else do
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sendToQ <- newTQueue
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modifyTVar (msgUnixSendTo env) (HashMap.insert who sendToQ)
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pure True
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pure who
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instance Messaging MessagingUnix UNIX ByteString where
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sendTo bus (To _) _ msg = liftIO do
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atomically $ writeTQueue (msgUnixInbox bus) msg
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sendTo bus (To who) (From me) msg = liftIO do
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createQueues bus who
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-- FIXME: handle-no-queue-for-rcpt-situation-1
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mq <- atomically $ readTVar (msgUnixSendTo bus) <&> HashMap.lookup who
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maybe1 mq none $ \q -> do
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atomically $ writeTQueue q msg
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receive bus _ = liftIO do
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atomically $ readTQueue (msgUnixRecv bus) <&> List.singleton
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let q = msgUnixRecv bus
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atomically $ peekTQueue q >> flushTQueue q
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@ -8,6 +8,8 @@ import HBS2.Net.Messaging.Unix
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import HBS2.Actors.Peer
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import HBS2.OrDie
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import HBS2.System.Logger.Simple
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import Codec.Serialise
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import Control.Monad.Reader
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import Control.Monad.Trans.Resource
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@ -18,11 +20,8 @@ import System.FilePath.Posix
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import System.IO
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import System.IO.Temp
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import UnliftIO.Async
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debug :: (MonadIO m) => Doc ann -> m ()
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debug p = liftIO $ hPrint stderr p
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import UnliftIO qualified as UIO
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import UnliftIO (TVar)
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data PingPong e = Ping Int
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| Pong Int
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@ -38,20 +37,72 @@ instance HasProtocol UNIX (PingPong UNIX) where
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decode = either (const Nothing) Just . deserialiseOrFail
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encode = serialise
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pingPongHandler :: forall e m . ( MonadIO m
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, Response e (PingPong e) m
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, HasProtocol e (PingPong e)
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)
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=> Int
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pingPongHandlerS :: forall e m . ( MonadIO m
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, Response e (PingPong e) m
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, HasProtocol e (PingPong e)
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, Pretty (Peer e)
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)
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=> TVar [(Peer e, PingPong e)]
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-> Int
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-> PingPong e
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-> m ()
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pingPongHandler n = \case
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pingPongHandlerS tv n msg = do
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Ping c -> debug ("Ping" <+> pretty c) >> response (Pong @e c)
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that <- thatPeer (Proxy @(PingPong e))
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UIO.atomically $ UIO.modifyTVar tv ((that,msg):)
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case msg of
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Ping c -> do
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debug ("S: Ping" <+> pretty c <+> "from" <+> pretty that ) >> response (Pong @e c)
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Pong _ -> pure ()
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pingPongHandler1 :: forall e m . ( MonadIO m
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, Response e (PingPong e) m
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, HasProtocol e (PingPong e)
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)
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=> TVar [PingPong e]
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-> Int
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-> PingPong e
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-> m ()
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pingPongHandler1 t n msg = do
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UIO.atomically $ UIO.modifyTVar t (msg:)
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case msg of
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Ping c -> pure ()
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Pong c -> pure ()
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-- Pong c | c < n -> debug ("C1: Pong" <+> pretty c) >> response (Ping @e (succ c))
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-- | otherwise -> pure ()
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pingPongHandler2 :: forall e m . ( MonadIO m
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, Response e (PingPong e) m
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, HasProtocol e (PingPong e)
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)
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=> TVar [PingPong e]
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-> Int
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-> PingPong e
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-> m ()
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pingPongHandler2 t n msg = do
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UIO.atomically $ UIO.modifyTVar t (msg:)
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case msg of
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Ping c -> pure ()
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Pong c -> pure ()
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-- Pong c | c < n -> debug ("C2: Pong" <+> pretty c) >> response (Ping @e (succ c))
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-- | otherwise -> pure ()
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Pong c | c < n -> debug ("Pong" <+> pretty c) >> response (Ping @e (succ c))
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| otherwise -> pure ()
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data PPEnv =
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PPEnv
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@ -66,6 +117,7 @@ newtype PingPongM m a = PingPongM { fromPingPong :: ReaderT PPEnv m a }
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, Applicative
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, Monad
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, MonadIO
|
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, MonadUnliftIO
|
||||
, MonadReader PPEnv
|
||||
, MonadTrans
|
||||
)
|
||||
|
|
@ -84,6 +136,14 @@ instance HasTimeLimits UNIX (PingPong UNIX) IO where
|
|||
|
||||
main :: IO ()
|
||||
main = do
|
||||
|
||||
setLogging @DEBUG (logPrefix "[debug] ")
|
||||
setLogging @INFO (logPrefix "")
|
||||
setLogging @ERROR (logPrefix "[err] ")
|
||||
setLogging @WARN (logPrefix "[warn] ")
|
||||
setLogging @NOTICE (logPrefix "[notice] ")
|
||||
setLogging @TRACE (logPrefix "[trace] ")
|
||||
|
||||
liftIO $ hSetBuffering stdout LineBuffering
|
||||
liftIO $ hSetBuffering stderr LineBuffering
|
||||
|
||||
|
|
@ -91,25 +151,54 @@ main = do
|
|||
|
||||
let soname = tmp </> "unix.socket"
|
||||
|
||||
server <- newMessagingUnix True 1.0 soname
|
||||
server <- newMessagingUnixOpts [MUFork] True 1.0 soname
|
||||
|
||||
client <- newMessagingUnix False 1.0 soname
|
||||
client1 <- newMessagingUnix False 1.0 soname
|
||||
client2 <- newMessagingUnix False 1.0 soname
|
||||
|
||||
m1 <- async $ runMessagingUnix server
|
||||
m2 <- async $ runMessagingUnix client
|
||||
m2 <- async $ runMessagingUnix client1
|
||||
m3 <- async $ runMessagingUnix client2
|
||||
|
||||
trs <- UIO.newTVarIO []
|
||||
tr1 <- UIO.newTVarIO []
|
||||
tr2 <- UIO.newTVarIO []
|
||||
|
||||
p1 <- async $ runPingPong server do
|
||||
runProto @UNIX
|
||||
[ makeResponse (pingPongHandler 100000)
|
||||
[ makeResponse (pingPongHandlerS trs 2)
|
||||
]
|
||||
|
||||
p2 <- async $ runPingPong client do
|
||||
request (msgUnixSelf server) (Ping @UNIX 0)
|
||||
runProto @UNIX
|
||||
[ makeResponse (pingPongHandler 100000)
|
||||
-- p2 <- async $ pause @'Seconds 300
|
||||
p2 <- async $ runPingPong client1 do
|
||||
-- pause @'Seconds 0.25
|
||||
-- request (msgUnixSelf server) (Ping @UNIX 0)
|
||||
l <- async $ runProto @UNIX
|
||||
[ makeResponse (pingPongHandler1 tr1 10)
|
||||
]
|
||||
link l
|
||||
forM_ [1..10] $ \n-> request (msgUnixSelf server) (Ping @UNIX n)
|
||||
wait l
|
||||
|
||||
(_,r) <- liftIO $ waitAnyCatchCancel [m1,m2,p1,p2]
|
||||
-- p3 <- async $ pause @'Seconds 300
|
||||
p3 <- async $ do
|
||||
runPingPong client2 do
|
||||
l <- async $ runProto @UNIX
|
||||
[ makeResponse (pingPongHandler2 tr2 200)
|
||||
]
|
||||
link l
|
||||
forM_ (take 10 [10000000..]) $ \n-> request (msgUnixSelf server) (Ping @UNIX n)
|
||||
wait l
|
||||
|
||||
-- p4 <- async do
|
||||
pause @'Seconds 10
|
||||
UIO.readTVarIO trs >>= print . vcat . fmap (\(a,b) -> pretty (a, show b))
|
||||
UIO.readTVarIO tr1 >>= print
|
||||
UIO.readTVarIO tr2 >>= print
|
||||
|
||||
cancel m1
|
||||
|
||||
(_,r) <- liftIO $ waitAnyCatchCancel [m1,m2,m3,p1,p2,p3]
|
||||
|
||||
debug (viaShow r)
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue