Factor out some new libraries

	word64-map:
		Data.Word64Map
	network-addr:
		Network.Address
	tox-crypto:
		Crypto.Tox
	lifted-concurrent:
		Control.Concurrent.Lifted.Instrument
		Control.Concurrent.Async.Lifted.Instrument
	psq-wrap:
		Data.Wrapper.PSQInt
		Data.Wrapper.PSQ
	minmax-psq:
		Data.MinMaxPSQ
        tasks:
                Control.Concurrent.Tasks
	kad:
		Network.Kademlia
		Network.Kademlia.Bootstrap
		Network.Kademlia.Routing
		Network.Kademlia.CommonAPI
		Network.Kademlia.Persistence
		Network.Kademlia.Search

1 files changed, 74 insertions, 0 deletions

diff --git a/dht/bittorrent/examples/Client.hs b/dht/bittorrent/examples/Client.hs
new file mode 100644
index 00000000..26711676
--- /dev/null
+++ b/dht/bittorrent/examples/Client.hs
@@ -0,0 +1,74 @@
+{-# 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