From 6f092fb275367b6afe4f0745f975e8ee53012d56 Mon Sep 17 00:00:00 2001
From: Sam Truzjan <pxqr.sta@gmail.com>
Date: Thu, 5 Dec 2013 05:39:30 +0400
Subject: Simplify Core modules imports

---
 src/Network/BitTorrent/Core.hs             |  5 +++--
 src/Network/BitTorrent/Exchange/Message.hs |  5 +----
 src/Network/BitTorrent/Exchange/Session.hs |  2 +-
 src/Network/BitTorrent/Exchange/Wire.hs    | 29 ++++++++++++++++-------------
 src/Network/BitTorrent/Tracker/Message.hs  |  3 +--
 src/Network/BitTorrent/Tracker/Wai.hs      |  2 --
 6 files changed, 22 insertions(+), 24 deletions(-)

(limited to 'src/Network')

diff --git a/src/Network/BitTorrent/Core.hs b/src/Network/BitTorrent/Core.hs
index b4329598..990a5975 100644
--- a/src/Network/BitTorrent/Core.hs
+++ b/src/Network/BitTorrent/Core.hs
@@ -8,5 +8,6 @@
 --   Re-export every @Network.BitTorrent.Core.*@ module.
 --
 module Network.BitTorrent.Core (module Core) where
-import Network.BitTorrent.Core.PeerId   as Core
-import Network.BitTorrent.Core.PeerAddr as Core
\ No newline at end of file
+import Network.BitTorrent.Core.Fingerprint as Core
+import Network.BitTorrent.Core.PeerId      as Core
+import Network.BitTorrent.Core.PeerAddr    as Core
\ No newline at end of file
diff --git a/src/Network/BitTorrent/Exchange/Message.hs b/src/Network/BitTorrent/Exchange/Message.hs
index 85ad76d6..b879e212 100644
--- a/src/Network/BitTorrent/Exchange/Message.hs
+++ b/src/Network/BitTorrent/Exchange/Message.hs
@@ -81,18 +81,15 @@ import Data.Ord
 import Data.Serialize as S
 import Data.Text as T
 import Data.Typeable
-import Data.Tuple
 import Data.Word
 import Network
 import Network.Socket hiding (KeepAlive)
-import Network.Socket.ByteString as BS
 import Text.PrettyPrint as PP
 import Text.PrettyPrint.Class
 
 import Data.Torrent.Bitfield
 import Data.Torrent.InfoHash
-import Network.BitTorrent.Core.PeerId
-import Network.BitTorrent.Core.PeerAddr ()
+import Network.BitTorrent.Core
 import Network.BitTorrent.Exchange.Block
 
 {-----------------------------------------------------------------------
diff --git a/src/Network/BitTorrent/Exchange/Session.hs b/src/Network/BitTorrent/Exchange/Session.hs
index d2a9aaaf..c24e2b0b 100644
--- a/src/Network/BitTorrent/Exchange/Session.hs
+++ b/src/Network/BitTorrent/Exchange/Session.hs
@@ -15,7 +15,7 @@ import Text.PrettyPrint
 
 import Data.Torrent.Bitfield
 import Data.Torrent.InfoHash
-import Network.BitTorrent.Core.PeerAddr
+import Network.BitTorrent.Core
 import Network.BitTorrent.Exchange.Message
 import Network.BitTorrent.Exchange.Status
 
diff --git a/src/Network/BitTorrent/Exchange/Wire.hs b/src/Network/BitTorrent/Exchange/Wire.hs
index dd77a915..68c9b355 100644
--- a/src/Network/BitTorrent/Exchange/Wire.hs
+++ b/src/Network/BitTorrent/Exchange/Wire.hs
@@ -38,8 +38,7 @@ import Text.PrettyPrint as PP hiding (($$), (<>))
 import Text.PrettyPrint.Class
 
 import Data.Torrent.InfoHash
-import Network.BitTorrent.Core.PeerId
-import Network.BitTorrent.Core.PeerAddr
+import Network.BitTorrent.Core
 import Network.BitTorrent.Exchange.Message
 
 
@@ -147,15 +146,21 @@ connectToPeer p = do
 
 type Wire = ConduitM Message Message (ReaderT Connection IO)
 
-validate :: Wire ()
-validate = do
-  mmsg <- await
-  case mmsg of
-    Nothing  -> return ()
-    Just msg -> do
-      valid <- lift $ asks (`isAllowed` msg)
-      if valid then yield msg else error "TODO"
-
+validate :: ChannelSide -> Wire ()
+validate side = await >>= maybe (return ()) yieldCheck
+  where
+    yieldCheck msg = do
+      caps <- lift $ asks connCaps
+      case requires msg of
+        Nothing  -> return ()
+        Just ext
+          | allowed caps ext -> yield msg
+          |     otherwise    -> monadThrow $ ProtocolError $ InvalidMessage side ext
+
+validate' action = do
+  validate RemotePeer
+  action
+  validate ThisPeer
 
 runWire :: Wire () -> Socket -> Connection -> IO ()
 runWire action sock = runReaderT $
@@ -173,8 +178,6 @@ sendMessage msg = do
 recvMessage :: Wire Message
 recvMessage = undefined
 
-
-
 extendedHandshake :: Wire ()
 extendedHandshake = undefined
 
diff --git a/src/Network/BitTorrent/Tracker/Message.hs b/src/Network/BitTorrent/Tracker/Message.hs
index e8e4cf0e..212181b9 100644
--- a/src/Network/BitTorrent/Tracker/Message.hs
+++ b/src/Network/BitTorrent/Tracker/Message.hs
@@ -88,8 +88,7 @@ import Text.Read (readMaybe)
 
 import Data.Torrent.InfoHash
 import Data.Torrent.Progress
-import Network.BitTorrent.Core.PeerId
-import Network.BitTorrent.Core.PeerAddr
+import Network.BitTorrent.Core
 
 
 {-----------------------------------------------------------------------
diff --git a/src/Network/BitTorrent/Tracker/Wai.hs b/src/Network/BitTorrent/Tracker/Wai.hs
index 51fd8153..770816b4 100644
--- a/src/Network/BitTorrent/Tracker/Wai.hs
+++ b/src/Network/BitTorrent/Tracker/Wai.hs
@@ -12,8 +12,6 @@ import Network.HTTP.Types
 import Network.Wai
 
 import Data.Torrent.Progress
-import Network.BitTorrent.Core.PeerId
-import Network.BitTorrent.Core.PeerAddr
 import Network.BitTorrent.Tracker.Message
 
 
-- 
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