wip

hbs2-core/hbs2-core.cabal

@@ -106,6 +106,7 @@ library
                      , deepseq
                      , directory
                      , filepath
+                     , filelock
                      , hashable
                      , interpolatedstring-perl6
                      , memory

hbs2-core/lib/HBS2/Actors/ChunkWriter.hs

@@ -37,6 +37,7 @@ import System.FilePath
 import System.IO.Error
 import System.IO
 import System.IO.Temp
+import System.FileLock
 
 import Control.Concurrent.Async
 
@@ -62,11 +63,12 @@ data ChunkWriter h m = forall a . ( MonadIO m
                                   , Block ByteString ~ ByteString
                                   ) =>
   ChunkWriter
-  { stopped  :: TVar Bool
-  , pipeline :: Pipeline m ()
-  , dir      :: FilePath
-  , storage  :: a
-  , perBlock :: Cache FilePath (TQueue (Handle -> IO ()))
+  { stopped     :: TVar Bool
+  , pipeline    :: Pipeline m ()
+  , dir         :: FilePath
+  , storage     :: a
+  , perBlock    :: Cache FilePath (TQueue (Handle -> IO ()))
+  , perBlockSem :: Cache FilePath TSem
   }
 
 
@@ -152,6 +154,7 @@ newChunkWriterIO s tmp = do
   let d  = fromMaybe def tmp
 
   mt <- liftIO $ Cache.newCache Nothing
+  mts <- liftIO $ Cache.newCache Nothing
 
   running <- liftIO $ newTVarIO False
 
@@ -162,6 +165,7 @@ newChunkWriterIO s tmp = do
     , dir = d
     , storage  = s
     , perBlock = mt
+    , perBlockSem = mts
     }
 
 makeFileName :: (Hashable salt, Pretty (Hash h)) => ChunkWriter h m -> salt -> Hash h -> FilePath
@@ -268,6 +272,8 @@ writeChunk2  w salt h o bs = do
 
   let cache = perBlock w
 
+  -- liftIO $ print $ "writeChunk" <+> pretty o <+> pretty (B.length bs) <+> pretty h
+
   liftIO $ do
     q <- Cache.fetchWithCache cache fn $ const Q0.newTQueueIO
     atomically $ Q0.writeTQueue q $ \fh -> do
@@ -313,11 +319,13 @@ getHash1 w salt h = liftIO do
 
 flush w fn = do
   let cache = perBlock w
+  let scache = perBlockSem w
   liftIO $ do
 
     q <- Cache.fetchWithCache cache fn $ const Q0.newTQueueIO
+    s <- Cache.fetchWithCache scache fn $ const $ atomically $ Sem.newTSem 1
 
-    -- atomically $ Sem.waitTSem  s
+    atomically $ Sem.waitTSem  s
 
     Cache.delete cache fn
 
@@ -326,10 +334,10 @@ flush w fn = do
     liftIO $ do
 
       -- withBinaryFile fn ReadWriteMode $ \fh -> do
-      withFile fn ReadWriteMode $ \fh -> do
+      withBinaryFile fn ReadWriteMode $ \fh -> do
           for_ flushed $ \f -> f fh
 
-    -- atomically $ Sem.signalTSem s
+    atomically $ Sem.signalTSem s
 
     pure (length flushed)
 

hbs2-core/lib/HBS2/Defaults.hs

@@ -40,7 +40,7 @@ defBlockWaitMax :: Timeout 'Seconds
 defBlockWaitMax = 10  :: Timeout 'Seconds
 
 defBlockWaitSleep :: Timeout 'Seconds
-defBlockWaitSleep = 0.01  :: Timeout 'Seconds
+defBlockWaitSleep = 0.1  :: Timeout 'Seconds
 
 defSweepTimeout :: Timeout 'Seconds
 defSweepTimeout = 5 -- FIXME: only for debug!

hbs2-tests/hbs2-tests.cabal

@@ -23,27 +23,29 @@ common common-deps
         , bytestring
         , cache
         , containers
+        , data-default
         , directory
         , filepath
         , hashable
         , microlens-platform
         , mtl
+        , mwc-random
         , prettyprinter
         , QuickCheck
         , random
+        , random-shuffle
         , safe
         , serialise
         , stm
         , streaming
         , tasty
         , tasty-hunit
+        , temporary
+        , timeit
         , transformers
         , uniplate
-        , vector
-        , data-default
-        , mwc-random
-        , timeit
         , unordered-containers
+        , vector
 
 common shared-properties
   ghc-options:
@@ -102,6 +104,20 @@ test-suite test-skey
     main-is:          TestSKey.hs
 
 
+test-suite test-cw
+    import:           shared-properties
+    import:           common-deps
+    default-language: Haskell2010
+
+    other-modules:
+
+    -- other-extensions:
+
+    type:             exitcode-stdio-1.0
+    hs-source-dirs:   test
+    main-is:          TestChunkWriter.hs
+
+
 executable test-peer-run
     import:           shared-properties
     import:           common-deps

hbs2-tests/hie.yaml

@@ -6,5 +6,6 @@ cradle:
     - path: "test/TestSKey"
       component: "hbs2-tests:test:test-skey"
 
-
+    - path: "test/TestChunkWriter"
+      component: "hbs2-tests:test:test-cw"
 

hbs2-tests/test/Peer2Main.hs

@@ -159,7 +159,7 @@ runTestPeer p zu = do
   cww  <- newChunkWriterIO  stor (Just chDir)
 
   sw <- liftIO $ replicateM 4 $ async $ simpleStorageWorker stor
-  cw <- liftIO $ replicateM 4 $ async $ runChunkWriter cww
+  cw <- liftIO $ replicateM 8 $ async $ runChunkWriter cww
 
   zu stor cww
 
@@ -396,7 +396,7 @@ blockDownloadLoop cw = do
                           wrt <- liftIO $ readTVarIO z
 
                           if fromIntegral wrt >= thisBkSize then do
-                            debug $ "THE BLOCK IS ABOUT TO BE READY" <+> pretty h
+                            -- debug $ "THE BLOCK IS ABOUT TO BE READY" <+> pretty h
                             h1 <- liftIO $ getHash cw key h
                             if h1 == h then do
                               liftIO $ commitBlock cw key h
@@ -537,7 +537,7 @@ mkAdapter cww = do
           -- ПОСЧИТАТЬ ХЭШ
           -- ЕСЛИ СОШЁЛСЯ - ФИНАЛИЗИРОВАТЬ БЛОК
           -- ЕСЛИ НЕ СОШЁЛСЯ - ТО ПОДОЖДАТЬ ЕЩЕ
-            when ( h1 == h ) $ do
+            if ( h1 == h ) then do
               liftIO $ commitBlock cww cKey h
 
               updateStats @e False 1
@@ -545,6 +545,8 @@ mkAdapter cww = do
               expire cKey
               -- debug "hash matched!"
               emit @e (BlockChunksEventKey h) (BlockReady h)
+            else do
+              debug $ "FUCK FUCK!" <+> pretty h
 
         when (written > mbSize * defBlockDownloadThreshold) $ do
           debug $ "SESSION DELETED BECAUSE THAT PEER IS JERK:" <+> pretty p
@@ -572,7 +574,7 @@ main = do
                 let findBlk = hasBlock s
 
                 -- let size = 1024*1024*1
-                let size = 1024*1024*10
+                let size = 1024*1024*30
                 g <- initialize $ U.fromList [fromIntegral p, fromIntegral size]
 
                 bytes <- replicateM size $ uniformM g :: IO [Char]

hbs2-tests/test/TestChunkWriter.hs

@@ -0,0 +1,74 @@
+module Main where
+
+import HBS2.Prelude
+import HBS2.Actors.ChunkWriter
+import HBS2.Hash
+import HBS2.Storage
+import HBS2.Storage.Simple
+
+import Control.Concurrent.Async
+import Control.Monad
+import Data.ByteString.Lazy (ByteString)
+import Data.ByteString.Lazy.Char8 qualified as B8
+import Data.Functor
+import qualified Data.Vector.Unboxed as U
+import System.IO.Temp
+import System.Random.MWC
+import System.Random.Shuffle
+import System.FilePath.Posix
+
+import Data.List qualified as L
+import Prettyprinter
+
+main :: IO ()
+main = do
+
+  -- let size = 1024*1024*1
+  let size = 1024*1024
+  let chu = 500
+
+  g <- initialize $ U.fromList [0xFAFA, 0xBEBE, 0xC0C0]
+
+  withSystemTempDirectory "cww-test" $ \dir -> do
+
+    failed <- replicateM 100 $ do
+
+      bytes <- B8.pack <$> (replicateM size $ uniformM g)
+
+      let hash = hashObject bytes
+
+      let psz = calcChunks (fromIntegral size) (fromIntegral chu)
+
+      let opts = [ StoragePrefix (dir </> ".test-cww")
+                 ]
+
+      storage <- simpleStorageInit opts :: IO (SimpleStorage HbSync)
+
+      w1 <- replicateM 1 $ async (simpleStorageWorker storage)
+
+      cw <- newChunkWriterIO storage (Just (dir </> ".qqq"))
+
+      w2 <- replicateM 1 $ async $ runChunkWriter cw
+
+      -- psz' <- shuffleM psz
+      psz' <- pure psz
+
+      forConcurrently_ psz' $ \(o,s) -> do
+        let t = B8.take s $ B8.drop o bytes
+        writeChunk cw 1 hash (fromIntegral o) t
+
+      h2 <- getHash cw 1 hash
+      -- h3 <- getHash cw 1 hash
+
+      mapM_ cancel $ w1 <> w2
+
+      if hash /= h2 then do
+        pure [1]
+      else
+        pure mempty
+
+    print $ "failed" <+> pretty (sum (mconcat failed))
+
+  pure ()
+
+

hbs2/Main.hs

@@ -68,6 +68,11 @@ data CatOpts =
   }
   deriving stock (Data)
 
+newtype HashOpts =
+ HashOpts
+  { hashFp  :: FilePath
+  }
+  deriving stock (Data)
 
 newtype NewRefOpts =
   NewRefOpts
@@ -75,6 +80,11 @@ newtype NewRefOpts =
   }
   deriving stock (Data)
 
+
+runHash :: HashOpts -> SimpleStorage HbSync -> IO ()
+runHash opts ss = do
+  pure ()
+
 runCat :: Data opts => opts -> SimpleStorage HbSync -> IO ()
 runCat opts ss = do
 
@@ -112,7 +122,7 @@ runCat opts ss = do
           maybe (error "empty ref") walk mbHead
 
 
-runStore :: Data opts => opts -> SimpleStorage HbSync -> IO ()
+runStore ::(Data opts, Block ByteString ~ ByteString) => opts -> SimpleStorage HbSync -> IO ()
 
 runStore opts ss | justInit = do
   putStrLn "initialized"
@@ -169,6 +179,7 @@ main = join . customExecParser (prefs showHelpOnError) $
     parser = hsubparser (  command "store"   (info pStore (progDesc "store block"))
                         <> command "new-ref" (info pNewRef (progDesc "creates reference"))
                         <> command "cat"     (info pCat (progDesc "cat block"))
+                        <> command "hash"    (info pHash (progDesc "calculates hash"))
                         )
 
     common = do
@@ -193,3 +204,9 @@ main = join . customExecParser (prefs showHelpOnError) $
       onlyh <- optional $ flag' True ( short 'H' <> long "hashes-only" <> help "list only block hashes" )
       pure $ withStore o $ runCat $ CatOpts hash (CatHashesOnly <$> onlyh)
 
+    pHash = do
+      o <- common
+      hash  <- strArgument ( metavar "HASH" )
+      pure $ withStore o $ runHash $ HashOpts hash
+
+