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|
{- git-annex assistant daemon
-
- Copyright 2012-2013 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
{-# LANGUAGE CPP #-}
module Assistant where
import qualified Annex
import Assistant.Common
import Assistant.DaemonStatus
import Assistant.NamedThread
import Assistant.Types.ThreadedMonad
import Assistant.Threads.DaemonStatus
import Assistant.Threads.Watcher
import Assistant.Threads.Committer
import Assistant.Threads.Pusher
import Assistant.Threads.Merger
import Assistant.Threads.TransferWatcher
import Assistant.Threads.Transferrer
import Assistant.Threads.SanityChecker
#ifdef WITH_CLIBS
import Assistant.Threads.MountWatcher
#endif
import Assistant.Threads.NetWatcher
import Assistant.Threads.TransferScanner
import Assistant.Threads.TransferPoller
import Assistant.Threads.ConfigMonitor
import Assistant.Threads.Glacier
#ifdef WITH_WEBAPP
import Assistant.WebApp
import Assistant.Threads.WebApp
#ifdef WITH_PAIRING
import Assistant.Threads.PairListener
#endif
#ifdef WITH_XMPP
import Assistant.Threads.XMPPClient
import Assistant.Threads.XMPPPusher
#endif
#else
#warning Building without the webapp. You probably need to install Yesod..
import Assistant.Types.UrlRenderer
#endif
import qualified Utility.Daemon
import Utility.LogFile
import Utility.ThreadScheduler
import qualified Build.SysConfig as SysConfig
import System.Log.Logger
import Network.Socket (HostName)
stopDaemon :: Annex ()
stopDaemon = liftIO . Utility.Daemon.stopDaemon =<< fromRepo gitAnnexPidFile
{- Starts the daemon. If the daemon is run in the foreground, once it's
- running, can start the browser.
-
- startbrowser is passed the url and html shim file, as well as the original
- stdout and stderr descriptors. -}
startDaemon :: Bool -> Bool -> Maybe HostName -> Maybe (Maybe Handle -> Maybe Handle -> String -> FilePath -> IO ()) -> Annex ()
startDaemon assistant foreground listenhost startbrowser = do
Annex.changeState $ \s -> s { Annex.daemon = True }
pidfile <- fromRepo gitAnnexPidFile
logfile <- fromRepo gitAnnexLogFile
logfd <- liftIO $ openLog logfile
if foreground
then do
origout <- liftIO $ catchMaybeIO $
fdToHandle =<< dup stdOutput
origerr <- liftIO $ catchMaybeIO $
fdToHandle =<< dup stdError
let undaemonize a = do
debugM desc $ "logging to " ++ logfile
Utility.Daemon.lockPidFile pidfile
Utility.LogFile.redirLog logfd
a
start undaemonize $
case startbrowser of
Nothing -> Nothing
Just a -> Just $ a origout origerr
else
start (Utility.Daemon.daemonize logfd (Just pidfile) False) Nothing
where
desc
| assistant = "assistant"
| otherwise = "watch"
start daemonize webappwaiter = withThreadState $ \st -> do
checkCanWatch
dstatus <- startDaemonStatus
logfile <- fromRepo gitAnnexLogFile
liftIO $ debugM desc $ "logging to " ++ logfile
liftIO $ daemonize $
flip runAssistant (go webappwaiter)
=<< newAssistantData st dstatus
#ifdef WITH_WEBAPP
go webappwaiter = do
d <- getAssistant id
#else
go _webappwaiter = do
#endif
notice ["starting", desc, "version", SysConfig.packageversion]
urlrenderer <- liftIO newUrlRenderer
mapM_ (startthread urlrenderer)
[ watch $ commitThread
#ifdef WITH_WEBAPP
, assist $ webAppThread d urlrenderer False listenhost Nothing webappwaiter
#ifdef WITH_PAIRING
, assist $ pairListenerThread urlrenderer
#endif
#ifdef WITH_XMPP
, assist $ xmppClientThread urlrenderer
, assist $ xmppSendPackThread urlrenderer
, assist $ xmppReceivePackThread urlrenderer
#endif
#endif
, assist $ pushThread
, assist $ pushRetryThread
, assist $ mergeThread
, assist $ transferWatcherThread
, assist $ transferPollerThread
, assist $ transfererThread
, assist $ daemonStatusThread
, assist $ sanityCheckerDailyThread
, assist $ sanityCheckerHourlyThread
#ifdef WITH_CLIBS
, assist $ mountWatcherThread
#endif
, assist $ netWatcherThread
, assist $ netWatcherFallbackThread
, assist $ transferScannerThread urlrenderer
, assist $ configMonitorThread
, assist $ glacierThread
, watch $ watchThread
]
liftIO waitForTermination
watch a = (True, a)
assist a = (False, a)
startthread urlrenderer (watcher, t)
| watcher || assistant = startNamedThread urlrenderer t
| otherwise = noop
|
