Misc fixes to http tracker.

[functorrent.git] / src / FuncTorrent / Tracker / Http.hs

diff --git a/src/FuncTorrent/Tracker/Http.hs b/src/FuncTorrent/Tracker/Http.hs
index 840b7583d51a39fbdff0a513a264b26145e75b7f..abb4b32963e8812f25071d63f9bf9a4d00821e94 100644 (file)
--- a/src/FuncTorrent/Tracker/Http.hs
+++ b/src/FuncTorrent/Tracker/Http.hs
@@ -27,7 +27,7 @@ import Prelude hiding (lookup, splitAt)
 
 import Control.Concurrent (threadDelay)
 import Control.Concurrent.MVar (readMVar, putMVar, isEmptyMVar, swapMVar)
-import Control.Monad (forever)
+import Control.Monad (forever, void)
 import qualified Data.ByteString.Base16 as B16 (encode)
 import Data.ByteString (ByteString)
 import Data.ByteString.Char8 as BC (pack, unpack, splitAt)
@@ -85,17 +85,15 @@ trackerLoop url port peerId infohash fschan tstate = forever $ do
       return () -- $ pack (show e)
     Right trackerInfo ->
       case parseTrackerResponse trackerInfo of
-        Left e -> return () -- e
+        Left e -> return ()
         Right tresp -> do
-          _ <- threadDelay $ fromIntegral (interval tresp)
           ps <- isEmptyMVar $ connectedPeers tstate
           if ps
-            then do
-            _ <- putMVar (connectedPeers tstate) (peers tresp)
-            return ()
-            else do
-            _ <- swapMVar (connectedPeers tstate) (peers tresp)
-            return ()
+            then
+            putMVar (connectedPeers tstate) (peers tresp)
+            else
+            void $ swapMVar (connectedPeers tstate) (peers tresp)
+          threadDelay $ fromIntegral (interval tresp)
 
 parseTrackerResponse :: BVal -> Either ByteString TrackerResponse
 parseTrackerResponse resp =