git-annex/Assistant/Threads/Transferrer.hs

27 lines
774 B
Haskell

{- git-annex assistant data transferrer thread
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Assistant.Threads.Transferrer where
import Assistant.Common
import Assistant.TransferQueue
import Assistant.TransferSlots
import Logs.Transfer
import Config.Files
import Utility.Batch
{- Dispatches transfers from the queue. -}
transfererThread :: NamedThread
transfererThread = namedThread "Transferrer" $ do
program <- liftIO readProgramFile
batchmaker <- liftIO getBatchCommandMaker
forever $ inTransferSlot program batchmaker $
maybe (return Nothing) (uncurry genTransfer)
=<< getNextTransfer notrunning
where
{- Skip transfers that are already running. -}
notrunning = isNothing . startedTime