From d2be835c8e210e086458f69520be680f8fef9599 Mon Sep 17 00:00:00 2001
From: Sam Truzjan <pxqr.sta@gmail.com>
Date: Mon, 13 Jan 2014 12:07:39 +0400
Subject: Add announce set to DHT session

---
 src/Network/BitTorrent/DHT/Session.hs | 29 +++++++++++++++++++++++------
 1 file changed, 23 insertions(+), 6 deletions(-)

(limited to 'src')

diff --git a/src/Network/BitTorrent/DHT/Session.hs b/src/Network/BitTorrent/DHT/Session.hs
index e26cbad1..3adbb840 100644
--- a/src/Network/BitTorrent/DHT/Session.hs
+++ b/src/Network/BitTorrent/DHT/Session.hs
@@ -84,6 +84,7 @@ import Data.Hashable
 import Data.List as L
 import Data.Maybe
 import Data.Monoid
+import Data.Set as S
 import Data.Text as T
 import Data.Time
 import Data.Time.Clock.POSIX
@@ -227,14 +228,19 @@ invalidateTokens curTime ts @ SessionTokens {..}
 -- Session
 -----------------------------------------------------------------------}
 
+type AnnounceSet = Set (InfoHash, PortNumber)
+
+type Logger = Loc -> LogSource -> LogLevel -> LogStr -> IO ()
+
 data Node ip = Node
   { options       :: !Options
   , thisNodeId    :: !NodeId
   , manager       :: !(Manager (DHT       ip))
   , routingTable  :: !(MVar    (Table     ip))
   , contactInfo   :: !(TVar    (PeerStore ip))
+  , announceInfo  :: !(TVar     AnnounceSet  )
   , sessionTokens :: !(TVar     SessionTokens)
-  , loggerFun     :: !(Loc -> LogSource -> LogLevel -> LogStr -> IO ())
+  , loggerFun     :: !Logger
   }
 
 newtype DHT ip a = DHT { unDHT :: ReaderT (Node ip) (ResourceT IO) a }
@@ -277,6 +283,7 @@ runDHT handlers opts naddr action = runResourceT $ do
     node   <- liftIO $ Node opts myId m
              <$> newMVar (nullTable myId (optBucketCount opts))
              <*> newTVarIO def
+             <*> newTVarIO S.empty
              <*> (newTVarIO =<< nullSessionTokens)
              <*> pure logger
     runReaderT (unDHT (listen >> action)) node
@@ -336,7 +343,7 @@ checkToken :: Hashable a => NodeAddr a -> Token -> DHT ip ()
 checkToken addr questionableToken = do
   tryUpdateSecret
   toks <- asks sessionTokens >>= liftIO . readTVarIO
-  unless (member addr questionableToken (tokenMap toks)) $
+  unless (T.member addr questionableToken (tokenMap toks)) $
     throwIO $ InvalidParameter "token"
 
 {-----------------------------------------------------------------------
@@ -412,10 +419,19 @@ getPeerList ih = do
     else return (Right ps)
 
 insertTopic :: InfoHash -> PortNumber -> DHT ip ()
-insertTopic = undefined
+insertTopic ih p = do
+  var <- asks announceInfo
+  liftIO $ atomically $ modifyTVar' var (S.insert (ih, p))
 
 deleteTopic :: InfoHash -> PortNumber -> DHT ip ()
-deleteTopic = undefined
+deleteTopic ih p = do
+  var <- asks announceInfo
+  liftIO $ atomically $ modifyTVar' var (S.delete (ih, p))
+
+republish :: DHT ip ThreadId
+republish = fork $ do
+  i <- asks (optReannounce . options)
+  error "DHT.republish: not implemented"
 
 {-----------------------------------------------------------------------
 -- Messaging
@@ -512,9 +528,10 @@ search k action = do
     mapM_ yield results
 
 publish :: Address ip => InfoHash -> PortNumber -> DHT ip ()
-publish ih port = do
+publish ih p = do
   nodes <- getClosest ih
-  _ <- sourceList [nodes] $= search ih (announceQ ih port) $$ C.take 20
+  r     <- asks (optReplication . options)
+  _ <- sourceList [nodes] $= search ih (announceQ ih p) $$ C.take r
   return ()
 
 {-----------------------------------------------------------------------
-- 
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