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{- Copyright 2017 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
module Role.Downloader where
import Types
import Log
import CmdLine
import SessionID
import Crypto
import Role.Developer
import Control.Concurrent.STM
import Control.Concurrent.STM.TMChan
import Data.Time.Clock.POSIX
run :: DownloadOpts -> IO ()
run = run' downloader . downloadUrl
downloader :: TMVar (TVar DeveloperState) -> TMChan (Message Entered) -> TMChan (MissingHashes AnyMessage) -> SessionID -> IO ()
downloader dsv _ichan ochan sid = do
let logfile = sessionLogFile "." sid
putStrLn $ "Starting download to " ++ logfile
putStrLn "(Will keep downloading until the debug-me session is done.)"
withLogger logfile $ \logger -> do
sk <- genMySessionKey
(st, _startoutput) <- processSessionStart sk ochan logger dsv
go logger st
putStrLn $ "Finished download to " ++ logfile
where
go logger st = do
ts <- getPOSIXTime
v <- atomically $ getServerMessage ochan st ts
case v of
Nothing -> return ()
Just (o, msg) -> do
_ <- logger msg
case o of
ProtocolError {} -> emitOutput o
_ -> go logger st
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