Network.Abstract

Generalize a network connection to a sink and source

Documentation

type IOE = ErrorT IOError IO

type Server = (HostName, PortID)

class Network n i o where

A network controls connections to other hosts. It may want to overide to log messages or play them back. A server in the network accepts messages of type i and generates messages of type o.

Methods

connect :: n -> Server -> IOE (Connection i o)

Connect to Server returning the send sink and receive source, throw IOError if can't connect.

Instances

Network Internet Message Response

Connect to server. Write messages and receive replies; not thread-safe!

Network (ANetwork i o) i o

data Connection i o

Constructors

Connection

Fields

send :: i -> IOE ()

receive :: IOE o

close :: IO ()

data ANetwork i o

Constructors

forall n . Network n i o => ANetwork n

Instances

Network (ANetwork i o) i o