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|
{-# LANGUAGE RankNTypes #-}
{-# LANGUAGE CPP #-}
{-# LANGUAGE ExistentialQuantification #-}
{-# LANGUAGE RecordWildCards #-}
module Main (main) where
import Control.Concurrent
import Control.Monad.Trans
import Data.Maybe
import Options.Applicative
import System.Environment
import System.Exit
import System.IO
import Text.Read
import Network.BitTorrent
#if MIN_VERSION_optparse_applicative(0,13,0)
-- maybeReader imported from Options.Applicative.Builder
#elif MIN_VERSION_optparse_applicative(0,11,0)
maybeReader f = eitherReader (maybe (Left ":(") Right . f)
#else
maybeReader f = f
#endif
{-----------------------------------------------------------------------
-- Command line arguments
-----------------------------------------------------------------------}
data TorrentBox = forall s. TorrentSource s => TorrentBox { unTorrentBox :: s }
data Args = Args
{ topic :: TorrentBox
, contentDir :: FilePath
}
argsParser :: Parser Args
argsParser = Args <$> (TorrentBox <$> infohashP <|> TorrentBox <$> torrentP)
<*> destDirP
where
infohashP :: Parser InfoHash
infohashP = argument (maybeReader readMaybe)
(metavar "SHA1" <> help "infohash of torrent file")
torrentP :: Parser FilePath
torrentP = argument (maybeReader Just)
( metavar "FILE"
<> help "A .torrent file"
)
destDirP :: Parser FilePath
destDirP = argument (maybeReader Just)
( metavar "DIR"
<> help "Directory to put content"
)
argsInfo :: ParserInfo Args
argsInfo = info (helper <*> argsParser)
( fullDesc
<> progDesc "A simple CLI bittorrent client"
<> header "foo"
)
{-----------------------------------------------------------------------
-- Client
-----------------------------------------------------------------------}
run :: Args -> BitTorrent ()
run (Args (TorrentBox t) dir) = do
h <- openHandle dir t
start h
liftIO $ threadDelay 10000000000
main :: IO ()
main = execParser argsInfo >>= simpleClient . run
|
