155 lines
4.6 KiB
Haskell
155 lines
4.6 KiB
Haskell
{- git-annex assistant daemon
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-
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- Copyright 2012-2013 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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{-# LANGUAGE CPP #-}
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module Assistant where
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import qualified Annex
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import Assistant.Common
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import Assistant.DaemonStatus
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import Assistant.NamedThread
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import Assistant.Types.ThreadedMonad
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import Assistant.Threads.DaemonStatus
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import Assistant.Threads.Watcher
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import Assistant.Threads.Committer
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import Assistant.Threads.Pusher
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import Assistant.Threads.Merger
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import Assistant.Threads.TransferWatcher
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import Assistant.Threads.Transferrer
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import Assistant.Threads.SanityChecker
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import Assistant.Threads.Cronner
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import Assistant.Threads.ProblemChecker
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#ifdef WITH_CLIBS
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import Assistant.Threads.MountWatcher
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#endif
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import Assistant.Threads.NetWatcher
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import Assistant.Threads.TransferScanner
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import Assistant.Threads.TransferPoller
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import Assistant.Threads.ConfigMonitor
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import Assistant.Threads.Glacier
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#ifdef WITH_WEBAPP
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import Assistant.WebApp
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import Assistant.Threads.WebApp
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#ifdef WITH_PAIRING
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import Assistant.Threads.PairListener
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#endif
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#ifdef WITH_XMPP
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import Assistant.Threads.XMPPClient
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import Assistant.Threads.XMPPPusher
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#endif
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#else
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#warning Building without the webapp. You probably need to install Yesod..
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import Assistant.Types.UrlRenderer
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#endif
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import qualified Utility.Daemon
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import Utility.LogFile
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import Utility.ThreadScheduler
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import Utility.HumanTime
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import qualified Build.SysConfig as SysConfig
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import System.Log.Logger
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import Network.Socket (HostName)
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stopDaemon :: Annex ()
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stopDaemon = liftIO . Utility.Daemon.stopDaemon =<< fromRepo gitAnnexPidFile
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{- Starts the daemon. If the daemon is run in the foreground, once it's
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- running, can start the browser.
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-
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- startbrowser is passed the url and html shim file, as well as the original
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- stdout and stderr descriptors. -}
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startDaemon :: Bool -> Bool -> Maybe Duration -> Maybe HostName -> Maybe (Maybe Handle -> Maybe Handle -> String -> FilePath -> IO ()) -> Annex ()
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startDaemon assistant foreground startdelay listenhost startbrowser = do
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Annex.changeState $ \s -> s { Annex.daemon = True }
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pidfile <- fromRepo gitAnnexPidFile
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logfile <- fromRepo gitAnnexLogFile
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logfd <- liftIO $ openLog logfile
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if foreground
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then do
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origout <- liftIO $ catchMaybeIO $
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fdToHandle =<< dup stdOutput
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origerr <- liftIO $ catchMaybeIO $
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fdToHandle =<< dup stdError
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let undaemonize a = do
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debugM desc $ "logging to " ++ logfile
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Utility.Daemon.lockPidFile pidfile
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Utility.LogFile.redirLog logfd
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a
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start undaemonize $
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case startbrowser of
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Nothing -> Nothing
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Just a -> Just $ a origout origerr
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else
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start (Utility.Daemon.daemonize logfd (Just pidfile) False) Nothing
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where
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desc
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| assistant = "assistant"
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| otherwise = "watch"
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start daemonize webappwaiter = withThreadState $ \st -> do
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checkCanWatch
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dstatus <- startDaemonStatus
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logfile <- fromRepo gitAnnexLogFile
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liftIO $ debugM desc $ "logging to " ++ logfile
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liftIO $ daemonize $
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flip runAssistant (go webappwaiter)
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=<< newAssistantData st dstatus
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#ifdef WITH_WEBAPP
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go webappwaiter = do
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d <- getAssistant id
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#else
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go _webappwaiter = do
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#endif
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notice ["starting", desc, "version", SysConfig.packageversion]
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urlrenderer <- liftIO newUrlRenderer
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mapM_ (startthread urlrenderer)
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[ watch $ commitThread
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#ifdef WITH_WEBAPP
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, assist $ webAppThread d urlrenderer False listenhost Nothing webappwaiter
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#ifdef WITH_PAIRING
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, assist $ pairListenerThread urlrenderer
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#endif
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#ifdef WITH_XMPP
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, assist $ xmppClientThread urlrenderer
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, assist $ xmppSendPackThread urlrenderer
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, assist $ xmppReceivePackThread urlrenderer
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#endif
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#endif
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, assist $ pushThread
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, assist $ pushRetryThread
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, assist $ mergeThread
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, assist $ transferWatcherThread
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, assist $ transferPollerThread
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, assist $ transfererThread
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, assist $ daemonStatusThread
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, assist $ sanityCheckerDailyThread
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, assist $ sanityCheckerHourlyThread
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, assist $ problemCheckerThread urlrenderer
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#ifdef WITH_CLIBS
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, assist $ mountWatcherThread
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#endif
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, assist $ netWatcherThread
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, assist $ netWatcherFallbackThread
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, assist $ transferScannerThread urlrenderer
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, assist $ cronnerThread urlrenderer
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, assist $ configMonitorThread
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, assist $ glacierThread
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, watch $ watchThread
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-- must come last so that all threads that wait
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-- on it have already started waiting
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, watch $ sanityCheckerStartupThread startdelay
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]
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liftIO waitForTermination
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watch a = (True, a)
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assist a = (False, a)
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startthread urlrenderer (watcher, t)
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| watcher || assistant = startNamedThread urlrenderer t
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| otherwise = noop
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