From 6293fdebf2f6969e3a18a170fb0c91dae7032327 Mon Sep 17 00:00:00 2001
From: voidlizard <dzuikov@gmail.com>
Date: Thu, 14 Aug 2025 07:46:43 +0300
Subject: [PATCH] wip

---
 .../lib/HBS2/Storage/NCQ3/Internal.hs         | 57 ++++++++++++++++---
 1 file changed, 48 insertions(+), 9 deletions(-)

diff --git a/hbs2-storage-ncq/lib/HBS2/Storage/NCQ3/Internal.hs b/hbs2-storage-ncq/lib/HBS2/Storage/NCQ3/Internal.hs
index 930f0484..b1d148dd 100644
--- a/hbs2-storage-ncq/lib/HBS2/Storage/NCQ3/Internal.hs
+++ b/hbs2-storage-ncq/lib/HBS2/Storage/NCQ3/Internal.hs
@@ -87,34 +87,74 @@ ncqWithStorage fp action = flip runContT pure do
   wait w
   pure r
 
-
 ncqPutBlock :: MonadUnliftIO  m
             => NCQStorage
             -> LBS.ByteString
             -> m (Maybe HashRef)
 
 -- FIXME: Nothing-on-exception
-ncqPutBlock sto lbs =
+ncqPutBlock sto lbs = ncqPutBlock0 sto lbs True
+{-# INLINE ncqPutBlock #-}
+
+ncqTossBlock :: MonadUnliftIO  m
+            => NCQStorage
+            -> LBS.ByteString
+            -> m (Maybe HashRef)
+
+ncqTossBlock sto lbs = ncqPutBlock0 sto lbs False
+{-# INLINE ncqTossBlock #-}
+
+ncqPutBlock0 :: MonadUnliftIO m
+             => NCQStorage
+             -> LBS.ByteString
+             -> Bool
+             -> m (Maybe HashRef)
+ncqPutBlock0 sto lbs wait =
   ncqLocate sto ohash >>= \case
-    Nothing -> Just <$> ncqPutBS sto (Just B) (Just ohash) bs
+    Nothing -> Just <$> work sto (Just B) (Just ohash) bs
     _       -> pure (Just ohash)
   where
     bs =  LBS.toStrict lbs
     ohash = HashRef $ hashObject @HbSync bs
-{-# INLINE ncqPutBlock #-}
 
--- FIXME: maybe-on-storage-closed
+    work | wait = ncqPutBS
+         | otherwise = ncqTossBS
+
+{-# INLINE ncqPutBlock0 #-}
+
 ncqPutBS :: MonadUnliftIO m
          => NCQStorage
          -> Maybe NCQSectionType
          -> Maybe HashRef
          -> ByteString
          -> m HashRef
-ncqPutBS ncq@NCQStorage{..} mtp mhref bs' = ncqOperation ncq (pure $ fromMaybe hash0 mhref) do
+ncqPutBS = ncqPutBS0 True
+{-# INLINE ncqPutBS #-}
+
+
+ncqTossBS :: MonadUnliftIO m
+          => NCQStorage
+          -> Maybe NCQSectionType
+          -> Maybe HashRef
+          -> ByteString
+          -> m HashRef
+ncqTossBS = ncqPutBS0 False
+{-# INLINE ncqTossBS #-}
+
+-- FIXME: maybe-on-storage-closed
+ncqPutBS0 :: MonadUnliftIO m
+         => Bool
+         -> NCQStorage
+         -> Maybe NCQSectionType
+         -> Maybe HashRef
+         -> ByteString
+         -> m HashRef
+ncqPutBS0 wait ncq@NCQStorage{..} mtp mhref bs' = ncqOperation ncq (pure $ fromMaybe hash0 mhref) do
   waiter <- newEmptyTMVarIO
 
+  let h = fromMaybe (HashRef (hashObject @HbSync bs')) mhref
+
   let work = do
-        let h = fromMaybe (HashRef (hashObject @HbSync bs')) mhref
         let bs = ncqMakeSectionBS mtp h bs'
         let shard = ncqGetShard ncq h
         zero <- newTVarIO Nothing
@@ -135,11 +175,10 @@ ncqPutBS ncq@NCQStorage{..} mtp mhref bs' = ncqOperation ncq (pure $ fromMaybe h
     nw <- readTVar ncqWrites <&> (`mod` V.length ncqWriteOps)
     writeTQueue (ncqWriteOps ! nw) work
 
-  atomically $ takeTMVar waiter
+  if not wait then pure h else atomically (takeTMVar waiter)
 
   where hash0 = HashRef (hashObject @HbSync bs')
 
-
 ncqTryLoadState :: forall m. MonadUnliftIO m
                 => NCQStorage
                 -> m ()