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|
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE TypeSynonymInstances #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# LANGUAGE TemplateHaskell #-}
module Network.BitTorrent.Client
( -- * Options
Options (..)
-- * Client session
, Client
-- ** Session data
, clientPeerId
, clientListenerPort
, allowedExtensions
-- ** Session initialization
, newClient
, closeClient
, withClient
, simpleClient
-- * BitTorrent monad
, MonadBitTorrent (..)
, BitTorrent
, runBitTorrent
, getClient
-- * Handle
, TorrentSource (..)
, closeHandle
, start
, pause
, stop
) where
import Control.Exception
import Control.Concurrent
import Control.Monad.Logger
import Control.Monad.Trans
import Control.Monad.Trans.Resource
import Data.Default
import Data.HashMap.Strict as HM
import Data.Maybe
import Data.Text
import Network
import Data.Torrent
import Data.Torrent.InfoHash
import Data.Torrent.Magnet
import Network.BitTorrent.Client.Types
import Network.BitTorrent.Client.Handle
import Network.BitTorrent.Core
import Network.BitTorrent.DHT as DHT hiding (Options)
import Network.BitTorrent.Tracker as Tracker hiding (Options)
import Network.BitTorrent.Exchange as Exchange hiding (Options)
import qualified Network.BitTorrent.Exchange as Exchange (Options(..))
data Options = Options
{ optFingerprint :: Fingerprint
, optName :: Text
, optPort :: PortNumber
, optExtensions :: [Extension]
, optNodeAddr :: NodeAddr IPv4
, optBootNode :: Maybe (NodeAddr IPv4)
}
instance Default Options where
def = Options
{ optFingerprint = def
, optName = "hs-bittorrent"
, optPort = 6882
, optExtensions = []
, optNodeAddr = "0.0.0.0:6882"
, optBootNode = Nothing
}
exchangeOptions :: PeerId -> Options -> Exchange.Options
exchangeOptions pid Options {..} = Exchange.Options
{ optPeerAddr = PeerAddr (Just pid) (peerHost def) optPort
, optBacklog = optBacklog def
}
--connHandler :: HashMap InfoHash Handle -> Handler
connHandler tmap = undefined
newClient :: Options -> LogFun -> IO Client
newClient opts @ Options {..} logger = do
pid <- genPeerId
tmap <- newMVar HM.empty
tmgr <- Tracker.newManager def (PeerInfo pid Nothing optPort)
emgr <- Exchange.newManager (exchangeOptions pid opts) connHandler
node <- do
node <- startNode defaultHandlers def optNodeAddr logger
runDHT node $ bootstrap (maybeToList optBootNode)
return node
return Client
{ clientPeerId = pid
, clientListenerPort = optPort
, allowedExtensions = toCaps optExtensions
, trackerManager = tmgr
, exchangeManager = emgr
, clientNode = node
, clientTorrents = tmap
, clientLogger = logger
}
closeClient :: Client -> IO ()
closeClient Client {..} = do
Exchange.closeManager exchangeManager
Tracker.closeManager trackerManager
DHT.stopNode clientNode
return ()
-- closeNode clientNode
withClient :: Options -> LogFun -> (Client -> IO a) -> IO a
withClient opts lf action = bracket (newClient opts lf) closeClient action
-- | Run bittorrent client with default options and log to @stderr@.
--
-- For testing purposes only.
--
simpleClient :: BitTorrent () -> IO ()
simpleClient m = do
runStderrLoggingT $ LoggingT $ \ logger -> do
withClient def logger (`runBitTorrent` m)
{-----------------------------------------------------------------------
-- Torrent identifiers
-----------------------------------------------------------------------}
class TorrentSource s where
openHandle :: FilePath -> s -> BitTorrent Handle
instance TorrentSource InfoHash where
openHandle path ih = openMagnet path (nullMagnet ih)
{-# INLINE openHandle #-}
instance TorrentSource Magnet where
openHandle = openMagnet
{-# INLINE openHandle #-}
instance TorrentSource InfoDict where
openHandle path dict = openTorrent path (nullTorrent dict)
{-# INLINE openHandle #-}
instance TorrentSource Torrent where
openHandle = openTorrent
{-# INLINE openHandle #-}
instance TorrentSource FilePath where
openHandle contentDir torrentPath = do
t <- liftIO $ fromFile torrentPath
openTorrent contentDir t
{-# INLINE openHandle #-}
|
