{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# LANGUAGE RankNTypes #-}
module Network.TLS.IO (
sendPacket12,
sendPacket13,
recvPacket12,
recvPacket13,
isRecvComplete,
checkValid,
PacketFlightM,
runPacketFlight,
loadPacket13,
) where
import Control.Exception (finally, throwIO)
import Control.Monad.Reader
import Control.Monad.State.Strict
import qualified Data.ByteString as B
import Data.IORef
import Network.TLS.Context.Internal
import Network.TLS.Hooks
import Network.TLS.Imports
import Network.TLS.Receiving
import Network.TLS.Record
import Network.TLS.Sending
import Network.TLS.State
import Network.TLS.Struct
import Network.TLS.Struct13
sendPacket12 :: Context -> Packet -> IO ()
sendPacket12 :: Context -> Packet -> IO ()
sendPacket12 ctx :: Context
ctx@Context{ctxRecordLayer :: ()
ctxRecordLayer = RecordLayer a
recordLayer} Packet
pkt = do
Bool -> IO () -> IO ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (Packet -> Bool
isNonNullAppData Packet
pkt) (IO () -> IO ()) -> IO () -> IO ()
forall a b. (a -> b) -> a -> b
$ do
withEmptyPacket <- IORef Bool -> IO Bool
forall a. IORef a -> IO a
readIORef (IORef Bool -> IO Bool) -> IORef Bool -> IO Bool
forall a b. (a -> b) -> a -> b
$ Context -> IORef Bool
ctxNeedEmptyPacket Context
ctx
when withEmptyPacket $
writePacketBytes12 ctx recordLayer (AppData B.empty)
>>= recordSendBytes recordLayer ctx
Context -> RecordLayer a -> Packet -> IO a
forall bytes.
Monoid bytes =>
Context -> RecordLayer bytes -> Packet -> IO bytes
writePacketBytes12 Context
ctx RecordLayer a
recordLayer Packet
pkt IO a -> (a -> IO ()) -> IO ()
forall a b. IO a -> (a -> IO b) -> IO b
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= RecordLayer a -> Context -> a -> IO ()
forall a. RecordLayer a -> Context -> a -> IO ()
recordSendBytes RecordLayer a
recordLayer Context
ctx
where
isNonNullAppData :: Packet -> Bool
isNonNullAppData (AppData ByteString
b) = Bool -> Bool
not (Bool -> Bool) -> Bool -> Bool
forall a b. (a -> b) -> a -> b
$ ByteString -> Bool
B.null ByteString
b
isNonNullAppData Packet
_ = Bool
False
writePacketBytes12
:: Monoid bytes
=> Context
-> RecordLayer bytes
-> Packet
-> IO bytes
writePacketBytes12 :: forall bytes.
Monoid bytes =>
Context -> RecordLayer bytes -> Packet -> IO bytes
writePacketBytes12 Context
ctx RecordLayer bytes
recordLayer Packet
pkt = do
Context -> (Logging -> IO ()) -> IO ()
withLog Context
ctx ((Logging -> IO ()) -> IO ()) -> (Logging -> IO ()) -> IO ()
forall a b. (a -> b) -> a -> b
$ \Logging
logging -> Logging -> String -> IO ()
loggingPacketSent Logging
logging (Packet -> String
forall a. Show a => a -> String
show Packet
pkt)
edataToSend <- Context
-> RecordLayer bytes -> Packet -> IO (Either TLSError bytes)
forall bytes.
Monoid bytes =>
Context
-> RecordLayer bytes -> Packet -> IO (Either TLSError bytes)
encodePacket12 Context
ctx RecordLayer bytes
recordLayer Packet
pkt
either throwCore return edataToSend
sendPacket13 :: Context -> Packet13 -> IO ()
sendPacket13 :: Context -> Packet13 -> IO ()
sendPacket13 ctx :: Context
ctx@Context{ctxRecordLayer :: ()
ctxRecordLayer = RecordLayer a
recordLayer} Packet13
pkt =
Context -> RecordLayer a -> Packet13 -> IO a
forall bytes.
Monoid bytes =>
Context -> RecordLayer bytes -> Packet13 -> IO bytes
writePacketBytes13 Context
ctx RecordLayer a
recordLayer Packet13
pkt IO a -> (a -> IO ()) -> IO ()
forall a b. IO a -> (a -> IO b) -> IO b
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= RecordLayer a -> Context -> a -> IO ()
forall a. RecordLayer a -> Context -> a -> IO ()
recordSendBytes RecordLayer a
recordLayer Context
ctx
writePacketBytes13
:: Monoid bytes
=> Context
-> RecordLayer bytes
-> Packet13
-> IO bytes
writePacketBytes13 :: forall bytes.
Monoid bytes =>
Context -> RecordLayer bytes -> Packet13 -> IO bytes
writePacketBytes13 Context
ctx RecordLayer bytes
recordLayer Packet13
pkt = do
Context -> (Logging -> IO ()) -> IO ()
withLog Context
ctx ((Logging -> IO ()) -> IO ()) -> (Logging -> IO ()) -> IO ()
forall a b. (a -> b) -> a -> b
$ \Logging
logging -> Logging -> String -> IO ()
loggingPacketSent Logging
logging (Packet13 -> String
forall a. Show a => a -> String
show Packet13
pkt)
edataToSend <- Context
-> RecordLayer bytes -> Packet13 -> IO (Either TLSError bytes)
forall bytes.
Monoid bytes =>
Context
-> RecordLayer bytes -> Packet13 -> IO (Either TLSError bytes)
encodePacket13 Context
ctx RecordLayer bytes
recordLayer Packet13
pkt
either throwCore return edataToSend
recvPacket12 :: Context -> IO (Either TLSError Packet)
recvPacket12 :: Context -> IO (Either TLSError Packet)
recvPacket12 ctx :: Context
ctx@Context{ctxRecordLayer :: ()
ctxRecordLayer = RecordLayer a
recordLayer} = do
hrr <- Context -> TLSSt Bool -> IO Bool
forall a. Context -> TLSSt a -> IO a
usingState_ Context
ctx TLSSt Bool
getTLS13HRR
let appDataOverhead = if Bool
hrr then Int
256 else Int
0
erecord <- recordRecv recordLayer ctx appDataOverhead
case erecord of
Left TLSError
err -> Either TLSError Packet -> IO (Either TLSError Packet)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (Either TLSError Packet -> IO (Either TLSError Packet))
-> Either TLSError Packet -> IO (Either TLSError Packet)
forall a b. (a -> b) -> a -> b
$ TLSError -> Either TLSError Packet
forall a b. a -> Either a b
Left TLSError
err
Right Record Plaintext
record ->
if Bool
hrr Bool -> Bool -> Bool
&& Record Plaintext -> Bool
forall a. Record a -> Bool
isCCS Record Plaintext
record
then Context -> IO (Either TLSError Packet)
recvPacket12 Context
ctx
else do
pktRecv <- Context -> Record Plaintext -> IO (Either TLSError Packet)
processPacket Context
ctx Record Plaintext
record
if isEmptyHandshake pktRecv
then
recvPacket12 ctx
else do
pkt <- case pktRecv of
Right (Handshake [Handshake]
hss) ->
Context
-> (Hooks -> IO (Either TLSError Packet))
-> IO (Either TLSError Packet)
forall a. Context -> (Hooks -> IO a) -> IO a
ctxWithHooks Context
ctx ((Hooks -> IO (Either TLSError Packet))
-> IO (Either TLSError Packet))
-> (Hooks -> IO (Either TLSError Packet))
-> IO (Either TLSError Packet)
forall a b. (a -> b) -> a -> b
$ \Hooks
hooks ->
Packet -> Either TLSError Packet
forall a b. b -> Either a b
Right (Packet -> Either TLSError Packet)
-> ([Handshake] -> Packet) -> [Handshake] -> Either TLSError Packet
forall b c a. (b -> c) -> (a -> b) -> a -> c
. [Handshake] -> Packet
Handshake ([Handshake] -> Either TLSError Packet)
-> IO [Handshake] -> IO (Either TLSError Packet)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (Handshake -> IO Handshake) -> [Handshake] -> IO [Handshake]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
forall (m :: * -> *) a b. Monad m => (a -> m b) -> [a] -> m [b]
mapM (Hooks -> Handshake -> IO Handshake
hookRecvHandshake Hooks
hooks) [Handshake]
hss
Either TLSError Packet
_ -> Either TLSError Packet -> IO (Either TLSError Packet)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Either TLSError Packet
pktRecv
case pkt of
Right Packet
p -> Context -> (Logging -> IO ()) -> IO ()
withLog Context
ctx ((Logging -> IO ()) -> IO ()) -> (Logging -> IO ()) -> IO ()
forall a b. (a -> b) -> a -> b
$ \Logging
logging -> Logging -> String -> IO ()
loggingPacketRecv Logging
logging (String -> IO ()) -> String -> IO ()
forall a b. (a -> b) -> a -> b
$ Packet -> String
forall a. Show a => a -> String
show Packet
p
Either TLSError Packet
_ -> () -> IO ()
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return ()
return pkt
isCCS :: Record a -> Bool
isCCS :: forall a. Record a -> Bool
isCCS (Record ProtocolType
ProtocolType_ChangeCipherSpec Version
_ Fragment a
_) = Bool
True
isCCS Record a
_ = Bool
False
isEmptyHandshake :: Either TLSError Packet -> Bool
isEmptyHandshake :: Either TLSError Packet -> Bool
isEmptyHandshake (Right (Handshake [])) = Bool
True
isEmptyHandshake Either TLSError Packet
_ = Bool
False
recvPacket13 :: Context -> IO (Either TLSError Packet13)
recvPacket13 :: Context -> IO (Either TLSError Packet13)
recvPacket13 ctx :: Context
ctx@Context{ctxRecordLayer :: ()
ctxRecordLayer = RecordLayer a
recordLayer} = do
erecord <- RecordLayer a -> Context -> IO (Either TLSError (Record Plaintext))
forall a.
RecordLayer a -> Context -> IO (Either TLSError (Record Plaintext))
recordRecv13 RecordLayer a
recordLayer Context
ctx
case erecord of
Left err :: TLSError
err@(Error_Protocol String
_ AlertDescription
BadRecordMac) -> do
established <- Context -> IO Established
ctxEstablished Context
ctx
case established of
EarlyDataNotAllowed Int
n
| Int
n Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
> Int
0 -> do
Context -> Established -> IO ()
setEstablished Context
ctx (Established -> IO ()) -> Established -> IO ()
forall a b. (a -> b) -> a -> b
$ Int -> Established
EarlyDataNotAllowed (Int
n Int -> Int -> Int
forall a. Num a => a -> a -> a
- Int
1)
Context -> IO (Either TLSError Packet13)
recvPacket13 Context
ctx
Established
_ -> Either TLSError Packet13 -> IO (Either TLSError Packet13)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (Either TLSError Packet13 -> IO (Either TLSError Packet13))
-> Either TLSError Packet13 -> IO (Either TLSError Packet13)
forall a b. (a -> b) -> a -> b
$ TLSError -> Either TLSError Packet13
forall a b. a -> Either a b
Left TLSError
err
Left TLSError
err -> Either TLSError Packet13 -> IO (Either TLSError Packet13)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (Either TLSError Packet13 -> IO (Either TLSError Packet13))
-> Either TLSError Packet13 -> IO (Either TLSError Packet13)
forall a b. (a -> b) -> a -> b
$ TLSError -> Either TLSError Packet13
forall a b. a -> Either a b
Left TLSError
err
Right Record Plaintext
record -> do
pktRecv <- Context -> Record Plaintext -> IO (Either TLSError Packet13)
processPacket13 Context
ctx Record Plaintext
record
if isEmptyHandshake13 pktRecv
then
recvPacket13 ctx
else do
pkt <- case pktRecv of
Right (Handshake13 [Handshake13]
hss) ->
Context
-> (Hooks -> IO (Either TLSError Packet13))
-> IO (Either TLSError Packet13)
forall a. Context -> (Hooks -> IO a) -> IO a
ctxWithHooks Context
ctx ((Hooks -> IO (Either TLSError Packet13))
-> IO (Either TLSError Packet13))
-> (Hooks -> IO (Either TLSError Packet13))
-> IO (Either TLSError Packet13)
forall a b. (a -> b) -> a -> b
$ \Hooks
hooks ->
Packet13 -> Either TLSError Packet13
forall a b. b -> Either a b
Right (Packet13 -> Either TLSError Packet13)
-> ([Handshake13] -> Packet13)
-> [Handshake13]
-> Either TLSError Packet13
forall b c a. (b -> c) -> (a -> b) -> a -> c
. [Handshake13] -> Packet13
Handshake13 ([Handshake13] -> Either TLSError Packet13)
-> IO [Handshake13] -> IO (Either TLSError Packet13)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (Handshake13 -> IO Handshake13)
-> [Handshake13] -> IO [Handshake13]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
forall (m :: * -> *) a b. Monad m => (a -> m b) -> [a] -> m [b]
mapM (Hooks -> Handshake13 -> IO Handshake13
hookRecvHandshake13 Hooks
hooks) [Handshake13]
hss
Either TLSError Packet13
_ -> Either TLSError Packet13 -> IO (Either TLSError Packet13)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Either TLSError Packet13
pktRecv
case pkt of
Right Packet13
p -> Context -> (Logging -> IO ()) -> IO ()
withLog Context
ctx ((Logging -> IO ()) -> IO ()) -> (Logging -> IO ()) -> IO ()
forall a b. (a -> b) -> a -> b
$ \Logging
logging -> Logging -> String -> IO ()
loggingPacketRecv Logging
logging (String -> IO ()) -> String -> IO ()
forall a b. (a -> b) -> a -> b
$ Packet13 -> String
forall a. Show a => a -> String
show Packet13
p
Either TLSError Packet13
_ -> () -> IO ()
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return ()
return pkt
isEmptyHandshake13 :: Either TLSError Packet13 -> Bool
isEmptyHandshake13 :: Either TLSError Packet13 -> Bool
isEmptyHandshake13 (Right (Handshake13 [])) = Bool
True
isEmptyHandshake13 Either TLSError Packet13
_ = Bool
False
isRecvComplete :: Context -> IO Bool
isRecvComplete :: Context -> IO Bool
isRecvComplete Context
ctx = Context -> TLSSt Bool -> IO Bool
forall a. Context -> TLSSt a -> IO a
usingState_ Context
ctx (TLSSt Bool -> IO Bool) -> TLSSt Bool -> IO Bool
forall a b. (a -> b) -> a -> b
$ do
cont <- (TLSState -> Maybe (GetContinuation (HandshakeType, ByteString)))
-> TLSSt (Maybe (GetContinuation (HandshakeType, ByteString)))
forall s (m :: * -> *) a. MonadState s m => (s -> a) -> m a
gets TLSState -> Maybe (GetContinuation (HandshakeType, ByteString))
stHandshakeRecordCont
cont13 <- gets stHandshakeRecordCont13
return $ isNothing cont && isNothing cont13
checkValid :: Context -> IO ()
checkValid :: Context -> IO ()
checkValid Context
ctx = do
established <- Context -> IO Established
ctxEstablished Context
ctx
when (established == NotEstablished) $ throwIO ConnectionNotEstablished
eofed <- ctxEOF ctx
when eofed $ throwIO $ PostHandshake Error_EOF
type Builder b = [b] -> [b]
newtype PacketFlightM b a
= PacketFlightM (ReaderT (RecordLayer b, IORef (Builder b)) IO a)
deriving ((forall a b. (a -> b) -> PacketFlightM b a -> PacketFlightM b b)
-> (forall a b. a -> PacketFlightM b b -> PacketFlightM b a)
-> Functor (PacketFlightM b)
forall a b. a -> PacketFlightM b b -> PacketFlightM b a
forall a b. (a -> b) -> PacketFlightM b a -> PacketFlightM b b
forall b a b. a -> PacketFlightM b b -> PacketFlightM b a
forall b a b. (a -> b) -> PacketFlightM b a -> PacketFlightM b b
forall (f :: * -> *).
(forall a b. (a -> b) -> f a -> f b)
-> (forall a b. a -> f b -> f a) -> Functor f
$cfmap :: forall b a b. (a -> b) -> PacketFlightM b a -> PacketFlightM b b
fmap :: forall a b. (a -> b) -> PacketFlightM b a -> PacketFlightM b b
$c<$ :: forall b a b. a -> PacketFlightM b b -> PacketFlightM b a
<$ :: forall a b. a -> PacketFlightM b b -> PacketFlightM b a
Functor, Functor (PacketFlightM b)
Functor (PacketFlightM b) =>
(forall a. a -> PacketFlightM b a)
-> (forall a b.
PacketFlightM b (a -> b) -> PacketFlightM b a -> PacketFlightM b b)
-> (forall a b c.
(a -> b -> c)
-> PacketFlightM b a -> PacketFlightM b b -> PacketFlightM b c)
-> (forall a b.
PacketFlightM b a -> PacketFlightM b b -> PacketFlightM b b)
-> (forall a b.
PacketFlightM b a -> PacketFlightM b b -> PacketFlightM b a)
-> Applicative (PacketFlightM b)
forall b. Functor (PacketFlightM b)
forall a. a -> PacketFlightM b a
forall b a. a -> PacketFlightM b a
forall a b.
PacketFlightM b a -> PacketFlightM b b -> PacketFlightM b a
forall a b.
PacketFlightM b a -> PacketFlightM b b -> PacketFlightM b b
forall a b.
PacketFlightM b (a -> b) -> PacketFlightM b a -> PacketFlightM b b
forall b a b.
PacketFlightM b a -> PacketFlightM b b -> PacketFlightM b a
forall b a b.
PacketFlightM b a -> PacketFlightM b b -> PacketFlightM b b
forall b a b.
PacketFlightM b (a -> b) -> PacketFlightM b a -> PacketFlightM b b
forall a b c.
(a -> b -> c)
-> PacketFlightM b a -> PacketFlightM b b -> PacketFlightM b c
forall b a b c.
(a -> b -> c)
-> PacketFlightM b a -> PacketFlightM b b -> PacketFlightM b c
forall (f :: * -> *).
Functor f =>
(forall a. a -> f a)
-> (forall a b. f (a -> b) -> f a -> f b)
-> (forall a b c. (a -> b -> c) -> f a -> f b -> f c)
-> (forall a b. f a -> f b -> f b)
-> (forall a b. f a -> f b -> f a)
-> Applicative f
$cpure :: forall b a. a -> PacketFlightM b a
pure :: forall a. a -> PacketFlightM b a
$c<*> :: forall b a b.
PacketFlightM b (a -> b) -> PacketFlightM b a -> PacketFlightM b b
<*> :: forall a b.
PacketFlightM b (a -> b) -> PacketFlightM b a -> PacketFlightM b b
$cliftA2 :: forall b a b c.
(a -> b -> c)
-> PacketFlightM b a -> PacketFlightM b b -> PacketFlightM b c
liftA2 :: forall a b c.
(a -> b -> c)
-> PacketFlightM b a -> PacketFlightM b b -> PacketFlightM b c
$c*> :: forall b a b.
PacketFlightM b a -> PacketFlightM b b -> PacketFlightM b b
*> :: forall a b.
PacketFlightM b a -> PacketFlightM b b -> PacketFlightM b b
$c<* :: forall b a b.
PacketFlightM b a -> PacketFlightM b b -> PacketFlightM b a
<* :: forall a b.
PacketFlightM b a -> PacketFlightM b b -> PacketFlightM b a
Applicative, Applicative (PacketFlightM b)
Applicative (PacketFlightM b) =>
(forall a b.
PacketFlightM b a -> (a -> PacketFlightM b b) -> PacketFlightM b b)
-> (forall a b.
PacketFlightM b a -> PacketFlightM b b -> PacketFlightM b b)
-> (forall a. a -> PacketFlightM b a)
-> Monad (PacketFlightM b)
forall b. Applicative (PacketFlightM b)
forall a. a -> PacketFlightM b a
forall b a. a -> PacketFlightM b a
forall a b.
PacketFlightM b a -> PacketFlightM b b -> PacketFlightM b b
forall a b.
PacketFlightM b a -> (a -> PacketFlightM b b) -> PacketFlightM b b
forall b a b.
PacketFlightM b a -> PacketFlightM b b -> PacketFlightM b b
forall b a b.
PacketFlightM b a -> (a -> PacketFlightM b b) -> PacketFlightM b b
forall (m :: * -> *).
Applicative m =>
(forall a b. m a -> (a -> m b) -> m b)
-> (forall a b. m a -> m b -> m b)
-> (forall a. a -> m a)
-> Monad m
$c>>= :: forall b a b.
PacketFlightM b a -> (a -> PacketFlightM b b) -> PacketFlightM b b
>>= :: forall a b.
PacketFlightM b a -> (a -> PacketFlightM b b) -> PacketFlightM b b
$c>> :: forall b a b.
PacketFlightM b a -> PacketFlightM b b -> PacketFlightM b b
>> :: forall a b.
PacketFlightM b a -> PacketFlightM b b -> PacketFlightM b b
$creturn :: forall b a. a -> PacketFlightM b a
return :: forall a. a -> PacketFlightM b a
Monad, Monad (PacketFlightM b)
Monad (PacketFlightM b) =>
(forall a. String -> PacketFlightM b a)
-> MonadFail (PacketFlightM b)
forall b. Monad (PacketFlightM b)
forall a. String -> PacketFlightM b a
forall b a. String -> PacketFlightM b a
forall (m :: * -> *).
Monad m =>
(forall a. String -> m a) -> MonadFail m
$cfail :: forall b a. String -> PacketFlightM b a
fail :: forall a. String -> PacketFlightM b a
MonadFail, Monad (PacketFlightM b)
Monad (PacketFlightM b) =>
(forall a. IO a -> PacketFlightM b a) -> MonadIO (PacketFlightM b)
forall b. Monad (PacketFlightM b)
forall a. IO a -> PacketFlightM b a
forall b a. IO a -> PacketFlightM b a
forall (m :: * -> *).
Monad m =>
(forall a. IO a -> m a) -> MonadIO m
$cliftIO :: forall b a. IO a -> PacketFlightM b a
liftIO :: forall a. IO a -> PacketFlightM b a
MonadIO)
runPacketFlight :: Context -> (forall b. Monoid b => PacketFlightM b a) -> IO a
runPacketFlight :: forall a.
Context -> (forall b. Monoid b => PacketFlightM b a) -> IO a
runPacketFlight ctx :: Context
ctx@Context{ctxRecordLayer :: ()
ctxRecordLayer = RecordLayer a
recordLayer} (PacketFlightM ReaderT (RecordLayer a, IORef (Builder a)) IO a
f) = do
ref <- Builder a -> IO (IORef (Builder a))
forall a. a -> IO (IORef a)
newIORef Builder a
forall a. a -> a
id
runReaderT f (recordLayer, ref) `finally` sendPendingFlight ctx recordLayer ref
sendPendingFlight
:: Monoid b => Context -> RecordLayer b -> IORef (Builder b) -> IO ()
sendPendingFlight :: forall b.
Monoid b =>
Context -> RecordLayer b -> IORef (Builder b) -> IO ()
sendPendingFlight Context
ctx RecordLayer b
recordLayer IORef (Builder b)
ref = do
build <- IORef (Builder b) -> IO (Builder b)
forall a. IORef a -> IO a
readIORef IORef (Builder b)
ref
let bss = Builder b
build []
unless (null bss) $ recordSendBytes recordLayer ctx $ mconcat bss
loadPacket13 :: Monoid b => Context -> Packet13 -> PacketFlightM b ()
loadPacket13 :: forall b. Monoid b => Context -> Packet13 -> PacketFlightM b ()
loadPacket13 Context
ctx Packet13
pkt = ReaderT (RecordLayer b, IORef (Builder b)) IO ()
-> PacketFlightM b ()
forall b a.
ReaderT (RecordLayer b, IORef (Builder b)) IO a
-> PacketFlightM b a
PacketFlightM (ReaderT (RecordLayer b, IORef (Builder b)) IO ()
-> PacketFlightM b ())
-> ReaderT (RecordLayer b, IORef (Builder b)) IO ()
-> PacketFlightM b ()
forall a b. (a -> b) -> a -> b
$ do
(recordLayer, ref) <- ReaderT
(RecordLayer b, IORef (Builder b))
IO
(RecordLayer b, IORef (Builder b))
forall r (m :: * -> *). MonadReader r m => m r
ask
liftIO $ do
bs <- writePacketBytes13 ctx recordLayer pkt
modifyIORef ref (. (bs :))