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{-# LANGUAGE OverloadedStrings #-}
module Network.Socket.ByteString.Lazy.Windows (
-- * Send data to a socket
send
, sendAll
) where
import qualified Data.ByteString as S
import qualified Data.ByteString.Lazy as L
import qualified Network.Socket.ByteString as Socket
import Network.Socket.Imports
import Network.Socket.ByteString.IO (waitWhen0)
import Network.Socket.Types
-- -----------------------------------------------------------------------------
-- Sending
send
:: Socket -- ^ Connected socket
-> L.ByteString -- ^ Data to send
-> IO Int64 -- ^ Number of bytes sent
send s lbs = case L.toChunks lbs of
-- TODO: Consider doing nothing if the string is empty.
[] -> fromIntegral <$> Socket.send s S.empty
(x:_) -> fromIntegral <$> Socket.send s x
sendAll
:: Socket -- ^ Connected socket
-> L.ByteString -- ^ Data to send
-> IO ()
sendAll _ "" = return ()
sendAll s bs0 = loop bs0
where
loop bs = do
-- "send" throws an exception.
sent <- send s bs
waitWhen0 (fromIntegral sent) s
when (sent /= L.length bs) $ loop $ L.drop sent bs
|
