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{- network functions
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
{-# LANGUAGE CPP #-}
module Utility.Network where
import Utility.Process
import Utility.Exception
import Control.Applicative
-- Old versions of network lacked an Ord for URI
#if ! MIN_VERSION_network(2,4,0)
import Network.URI
instance Ord URI where
a `compare` b = show a `compare` show b
#endif
{- Haskell lacks uname(2) bindings, except in the
- Bindings.Uname addon. Rather than depend on that,
- use uname -n when available. -}
getHostname :: IO (Maybe String)
getHostname = catchMaybeIO uname_node
where
uname_node = takeWhile (/= '\n') <$> readProcess "uname" ["-n"]
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