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{- git-annex assistant daemon status thread
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Assistant.Threads.DaemonStatus where
import Assistant.Common
import Assistant.DaemonStatus
import Utility.ThreadScheduler
import Utility.NotificationBroadcaster
{- This writes the daemon status to disk, when it changes, but no more
- frequently than once every ten minutes.
-}
daemonStatusThread :: NamedThread
daemonStatusThread = NamedThread "DaemonStatus" $ do
notifier <- liftIO . newNotificationHandle
=<< changeNotifier <$> daemonStatus
checkpoint
runEvery (Seconds tenMinutes) <~> do
liftIO $ waitNotification notifier
checkpoint
where
checkpoint = do
file <- liftAnnex $ fromRepo gitAnnexDaemonStatusFile
liftIO . writeDaemonStatusFile file =<< daemonStatus
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