From 46c096abcb269407b0927587520dda644aca9b51 Mon Sep 17 00:00:00 2001
From: Joe Crayne <joe@jerkface.net>
Date: Sun, 22 Dec 2019 12:05:26 -0500
Subject: WIP: fixing TCP relay chat.

---
 dht/ToxManager.hs | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/dht/ToxManager.hs b/dht/ToxManager.hs
index 0363f7f0..f5a8fd15 100644
--- a/dht/ToxManager.hs
+++ b/dht/ToxManager.hs
@@ -276,6 +276,10 @@ cycled :: [x] -> [x]
 cycled []     = []
 cycled (x:xs) = xs ++ [x]
 
+-- Notes:
+--   send cookieRequest OOB
+--   request relay session
+--   send handshake OOB
 connectViaRelay :: ToxToXMPP -> PublicKey -> Tox.DHTPublicKey
                    -> Announcer -> AnnounceKey -> POSIXTime -> STM (IO ())
 connectViaRelay tx theirKey theirDhtKey ann tkey now = do
@@ -291,10 +295,11 @@ connectViaRelay tx theirKey theirDhtKey ann tkey now = do
     tkey = akeyConnectTCP (txAnnouncer tx) me theirKey
     go = do
         let Tox.SendNodes ns = Tox.dhtpkNodes theirDhtKey
-        mcon <- foldr (\action next -> action >>= maybe next (return . Just))
-                      (return Nothing)
-                    $ map (Multi.tcpConnectionRequest (txTCP tx) theirKey) ns
-        forM_ mcon $ \ni -> do
+        mcons <- forM ns $ \ni -> do
+            mcon <- Multi.tcpConnectionRequest (txTCP tx) (Tox.dhtpk theirDhtKey) ni
+            return mcon
+        let oobs = [ Multi.TCP ==> TCP.ViaRelay Nothing (Tox.key2id $ Tox.dhtpk theirDhtKey) ni | ni <- ns ]
+        forM_ (catMaybes mcons ++ oobs) $ \ni -> do
           cookieRequest (toxCryptoKeys $ txTox tx) (toxDHT $ txTox tx) myPublicKey ni >>= \case
             Nothing -> return ()
             Just cookie -> do
@@ -665,6 +670,8 @@ startConnecting0 tx them contact reason = do
                                     , friendRequestText = "XMPP friend request"
                                     }
                         sendMessage tr route (mypub,Tox.OnionFriendRequest fr)
+            -- Seearch for friend's tox-id rendezvous and use the results to
+            -- send our dht key.
             scheduleSearch announcer akey meth them
 
 startConnecting :: ToxToXMPP -> PublicKey -> String -> IO ()
@@ -743,6 +750,7 @@ getStatus me them a c hs = do
     cookieIsPending <- getPendingCookieFlag hs me them
     return $ statusLogic astat policy mdht maddr cookieIsPending
 
+-- TODO: recognize TCP status
 statusLogic :: Status ToxProgress -> Policy -> Maybe dhtkey -> Maybe addr -> Bool -> Status ToxProgress
 statusLogic astat policy mdht maddr cookieIsPending = case () of
     ()  | Established                      <- astat  -> Established
-- 
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