4dbdc2b666
Converted several threads to run in the monad. Added a lot of useful combinators for working with the monad. Now the monad includes the name of the thread. Some debugging messages are disabled pending converting other threads.
29 lines
846 B
Haskell
29 lines
846 B
Haskell
{- 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 Utility.ThreadScheduler
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import Utility.NotificationBroadcaster
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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 :: NamedThread
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daemonStatusThread = NamedThread "DaemonStatus" $ do
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notifier <- liftIO . newNotificationHandle
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=<< changeNotifier <$> daemonStatus
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checkpoint
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runEvery (Seconds tenMinutes) <~> do
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liftIO $ waitNotification notifier
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checkpoint
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where
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checkpoint = do
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file <- liftAnnex $ fromRepo gitAnnexDaemonStatusFile
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liftIO . writeDaemonStatusFile file =<< daemonStatus
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