git-annex/Utility/DBus.hs
Joey Hess 5a68acb521 add NetWatcher thread
This deals with interruptions in network connectevity, by listening
for a new network interface coming up (using dbus to see when
network-manager or wicd do it), and forcing a rescan of
2012-08-21 19:58:53 -04:00

28 lines
716 B
Haskell

{- DBus utilities
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
{-# LANGUAGE OverloadedStrings #-}
module Utility.DBus where
import DBus.Client
import DBus
import Data.Maybe
type ServiceName = String
listServiceNames :: Client -> IO [ServiceName]
listServiceNames client = do
reply <- callDBus client "ListNames" []
return $ fromMaybe [] $ fromVariant (methodReturnBody reply !! 0)
callDBus :: Client -> MemberName -> [Variant] -> IO MethodReturn
callDBus client name params = call_ client $
(methodCall "/org/freedesktop/DBus" "org.freedesktop.DBus" name)
{ methodCallDestination = Just "org.freedesktop.DBus"
, methodCallBody = params
}