37 lines
1,013 B
Haskell
37 lines
1,013 B
Haskell
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{- git-annex assistant daemon status thread
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-
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- Copyright 2012 Joey Hess <joey@kitenet.net>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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module Assistant.Threads.DaemonStatus where
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import Assistant.Common
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import Assistant.DaemonStatus
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import Assistant.ThreadedMonad
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import Utility.ThreadScheduler
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import Utility.NotificationBroadcaster
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thisThread :: ThreadName
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thisThread = "DaemonStatus"
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{- This writes the daemon status to disk, when it changes, but no more
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- frequently than once every ten minutes.
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-}
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daemonStatusThread :: ThreadState -> DaemonStatusHandle -> NamedThread
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daemonStatusThread st dstatus = thread $ do
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notifier <- newNotificationHandle
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=<< changeNotifier <$> getDaemonStatus dstatus
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checkpoint
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runEvery (Seconds tenMinutes) $ do
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waitNotification notifier
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checkpoint
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where
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thread = NamedThread thisThread
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checkpoint = do
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status <- getDaemonStatus dstatus
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file <- runThreadState st $ fromRepo gitAnnexDaemonStatusFile
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writeDaemonStatusFile file status
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