From 61e6254681a1e9e5810a9f2449fadfdc305b1869 Mon Sep 17 00:00:00 2001
From: Sam Truzjan <pxqr.sta@gmail.com>
Date: Sun, 23 Mar 2014 06:13:56 +0400
Subject: Notify trackers with Stopped event at closeSession

---
 src/Network/BitTorrent/Client/Handle.hs   |  3 ++-
 src/Network/BitTorrent/Tracker/Session.hs | 14 +++++++++-----
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/src/Network/BitTorrent/Client/Handle.hs b/src/Network/BitTorrent/Client/Handle.hs
index 258af3fb..97ffc637 100644
--- a/src/Network/BitTorrent/Client/Handle.hs
+++ b/src/Network/BitTorrent/Client/Handle.hs
@@ -110,9 +110,10 @@ openMagnet rootPath uri @ Magnet {..} = do
 closeHandle :: Handle -> BitTorrent ()
 closeHandle h @ Handle {..} = do
   freeHandle handleTopic $ do
+    Client {..} <- getClient
     stop h
     liftIO $ Exchange.closeSession handleExchange
-    liftIO $ Tracker.closeSession handleTrackers
+    liftIO $ Tracker.closeSession trackerManager handleTrackers
 
 {-----------------------------------------------------------------------
 --  Control
diff --git a/src/Network/BitTorrent/Tracker/Session.hs b/src/Network/BitTorrent/Tracker/Session.hs
index a17973ad..107b83d6 100644
--- a/src/Network/BitTorrent/Tracker/Session.hs
+++ b/src/Network/BitTorrent/Tracker/Session.hs
@@ -214,9 +214,12 @@ newSession ih origUris = do
     , sessionEvents   = eventStream
     }
 
--- | Release scarce resources associated with the given session.
-closeSession :: Session -> IO ()
-closeSession _ = return ()
+-- | Release scarce resources associated with the given session. This
+-- function block until all trackers tied with this peer notified with
+-- 'Stopped' event.
+closeSession :: Manager -> Session -> IO ()
+closeSession m s = do
+  notify m s Stopped
 
 {-----------------------------------------------------------------------
 --  Events
@@ -238,8 +241,9 @@ subscribe Session {..} = listen sessionEvents
 -----------------------------------------------------------------------}
 
 -- | Normally you need to use 'Control.Monad.Trans.Resource.alloc'.
-withSession :: InfoHash -> TrackerList URI -> (Session -> IO ()) -> IO ()
-withSession ih uris = bracket (newSession ih uris) closeSession
+withSession :: Manager -> InfoHash -> TrackerList URI
+            -> (Session -> IO ()) -> IO ()
+withSession m ih uris = bracket (newSession ih uris) (closeSession m)
 
 -- | Get last announced status. The only action can alter this status
 -- is 'notify'.
-- 
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