Net.Utils

Various utilities used in the network protocol stack modules

Documentation

class Functor f => Container f where

Methods

contents :: f a -> a

Instances

Container Packet

Defined in Net.Ethernet

Methods

contents :: Packet a -> a

Container Packet

Defined in Net.IPv4

Methods

contents :: Packet a -> a

Container Packet

Defined in Net.TCP

Methods

contents :: Packet a -> a

Container Packet

Defined in Net.UDP

Methods

contents :: Packet a -> a

replace :: Functor f => f a -> b -> f b

emap :: (Functor f, Container f) => (t -> f a) -> f t -> f (f a)

emap2 :: (Container f, Container f, Functor f) => (t -> f a) -> f (f t) -> f (f (f a))

lift :: (Functor f, Container f) => f (f a) -> f (f a)

lift2 :: (Container f, Container f, Functor f) => f (f (f a)) -> f (f (f a))

doReq :: forall {c} {m} {v :: Type -> Type} {io} {a} {b}. (ChannelIO c m, MVarIO v m, MVarIO v io) => c a -> ((b -> io ()) -> a) -> m b

foldlArray :: (IArray arr elem, Ix ix, Enum ix) => arr ix elem -> (elem -> a -> a) -> a -> a

arraySize :: (Num a, IArray a e, Ix a) => a a e -> a

The number of elements in an array

checksum :: [Word16] -> Word16

TCP/IP 16-bit checksums

pairs :: a -> [a] -> [[a]]

Split a list into subcomponents of length 2. The first argument is what to append in case the list is of odd length.

bytes_to_words_big :: [Word8] -> [Word16]

bytes_to_words_lil :: [Word8] -> [Word16]

words_to_bytes_big :: [Word16] -> [Word8]

words_to_bytes_lil :: [Word16] -> [Word8]