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server: -funroll-gadt
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@ -15,7 +15,7 @@ import Control.Monad.IO.Class (MonadIO, liftIO)
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import Data.Default.Class (Default(def))
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import Data.Foldable (traverse_)
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import Data.IORef (IORef, atomicModifyIORef, newIORef)
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import Data.Some (Some(Some))
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--import Data.Some (Some(Some))
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import Data.Text (Text)
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import Data.Void (Void, absurd)
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import Data.Word (Word32)
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@ -33,8 +33,7 @@ import System.Nix.Store.Remote.Types.Handshake (ServerHandshakeInput(..), Server
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import System.Nix.Store.Remote.Types.WorkerMagic (WorkerMagic(..))
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-- wip
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-- import Data.Some (traverseSome)
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import Data.Functor.Identity
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import Data.Some (withSome)
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type WorkerHelper m
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= forall a
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@ -107,7 +106,7 @@ processConnection workerHelper sock = do
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, StoreReply a
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)
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=> StoreRequest a
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-> RemoteStoreT m (Identity a)
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-> RemoteStoreT m ()
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perform req = do
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resp <- bracketLogger tunnelLogger $ lift $ workerHelper req
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sockPutS
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@ -116,7 +115,6 @@ processConnection workerHelper sock = do
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$ getReplyS
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)
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resp
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pure (Identity resp)
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-- Process client requests.
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let loop = do
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@ -126,26 +124,34 @@ processConnection workerHelper sock = do
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RemoteStoreError_SerializerRequest
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storeRequest
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-- • Could not deduce (Show a) arising from a use of ‘perform’
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-- and also (StoreReply a)
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-- traverseSome perform someReq
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void $ do
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case someReq of
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Some req@(IsValidPath {}) -> do
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-- • Couldn't match type ‘a0’ with ‘Bool’
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-- Expected: StoreRequest a0
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-- Actual: StoreRequest a
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-- • ‘a0’ is untouchable
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-- inside the constraints: a ~ Bool
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-- bound by a pattern with constructor:
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-- IsValidPath :: StorePath -> StoreRequest Bool
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-- runIdentity <$> perform req
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void $ perform req
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pure undefined
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_ -> throwError unimplemented
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-- have to be explicit here
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-- because otherwise GHC can't conjure Show a, StoreReply a
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-- out of thin air
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() <- withSome someReq $ \case
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r@AddToStore {} -> perform r
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r@AddTextToStore {} -> perform r
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r@AddSignatures {} -> perform r
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r@AddTempRoot {} -> perform r
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r@AddIndirectRoot {} -> perform r
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r@BuildDerivation {} -> perform r
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r@BuildPaths {} -> perform r
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r@CollectGarbage {} -> perform r
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r@EnsurePath {} -> perform r
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r@FindRoots {} -> perform r
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r@IsValidPath {} -> perform r
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r@QueryValidPaths {} -> perform r
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r@QueryAllValidPaths {} -> perform r
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r@QuerySubstitutablePaths {} -> perform r
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r@QueryPathInfo {} -> perform r
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r@QueryReferrers {} -> perform r
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r@QueryValidDerivers {} -> perform r
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r@QueryDerivationOutputs {} -> perform r
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r@QueryDerivationOutputNames {} -> perform r
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r@QueryPathFromHashPart {} -> perform r
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r@QueryMissing {} -> perform r
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r@OptimiseStore {} -> perform r
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r@SyncWithGC {} -> perform r
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r@VerifyStore {} -> perform r
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loop
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loop
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@ -223,9 +229,9 @@ processConnection workerHelper sock = do
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, serverHandshakeOutputClientVersion = clientVersion
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}
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{-# WARNING unimplemented "not yet implemented" #-}
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unimplemented :: RemoteStoreError
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unimplemented = RemoteStoreError_WorkerException $ WorkerException_Error $ WorkerError_NotYetImplemented
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{-# WARNING _unimplemented "not yet implemented" #-}
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_unimplemented :: RemoteStoreError
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_unimplemented = RemoteStoreError_WorkerException $ WorkerException_Error $ WorkerError_NotYetImplemented
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bracketLogger
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:: MonadRemoteStore m
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