explicitly pass socket in send-receive-loop

src/Hash2Pub/DHTProtocol.hs

@@ -742,7 +742,7 @@ sendRequestTo = sendRequestToWithParams 5000 3
 
 -- | Generic function for sending a request over a connected socket and collecting the response.
 -- Serialises the message and tries to deliver its parts for a number of attempts within a specified timeout.
-sendRequestToWithParams :: Int                    -- ^ timeout in seconds
+sendRequestToWithParams :: Int                    -- ^ timeout in milliseconds
                         -> Int                    -- ^ number of retries
                         -> (Integer -> FediChordMessage)       -- ^ the message to be sent, still needing a requestID
                         -> Socket                 -- ^ connected socket to use for sending
@@ -765,19 +765,20 @@ sendRequestToWithParams timeoutMillis numAttempts msgIncomplete sock = do
                -> Socket                            -- ^ the socket used for sending and receiving for this particular remote node
                -> Map.Map Integer BS.ByteString     -- ^ the remaining unacked request parts
                -> IO ()
-    sendAndAck responseQueue sock remainingSends = do
+    sendAndAck responseQueue sock' remainingSends = do
         sendMany sock $ Map.elems remainingSends
         -- if all requests have been acked/ responded to, return prematurely
-        recvLoop responseQueue remainingSends Set.empty Nothing
-    recvLoop :: TBQueue FediChordMessage          -- ^ the queue for putting in the received responses
+        recvLoop sock' responseQueue remainingSends Set.empty Nothing
+    recvLoop :: Socket
+             -> TBQueue FediChordMessage          -- ^ the queue for putting in the received responses
              -> Map.Map Integer BS.ByteString       -- ^ the remaining unacked request parts
              -> Set.Set Integer                     -- ^ already received response part numbers
                -> Maybe Integer                     -- ^ total number of response parts if already known
              -> IO ()
-    recvLoop responseQueue remainingSends' receivedPartNums totalParts = do
+    recvLoop sock' responseQueue remainingSends' receivedPartNums totalParts = do
         -- 65535 is maximum length of UDP packets, as long as
         -- no IPv6 jumbograms are used
-        response <- deserialiseMessage <$> recv sock 65535
+        response <- deserialiseMessage <$> recv sock' 65535
         case response of
           Right msg@Response{} -> do
               atomically $ writeTBQueue responseQueue msg
@@ -787,9 +788,9 @@ sendRequestToWithParams timeoutMillis numAttempts msgIncomplete sock = do
                 newReceivedParts = Set.insert (part msg) receivedPartNums
               if Map.null newRemaining && maybe False (\p -> Set.size receivedPartNums == fromIntegral p) newTotalParts
                  then pure ()
-                 else recvLoop responseQueue newRemaining receivedPartNums newTotalParts
+                 else recvLoop sock' responseQueue newRemaining receivedPartNums newTotalParts
           -- drop errors and invalid messages
-          Left _ -> recvLoop responseQueue remainingSends' receivedPartNums totalParts
+          Left _ -> recvLoop sock' responseQueue remainingSends' receivedPartNums totalParts
 
 
 -- | enqueue a list of RemoteCacheEntries to be added to the global NodeCache