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-rw-r--r--src/Attach.hs7
-rw-r--r--src/Contact.hs10
-rw-r--r--src/Main.hs5
-rw-r--r--src/Message.hs2
-rw-r--r--src/Service.hs6
-rw-r--r--src/State.hs38
6 files changed, 41 insertions, 27 deletions
diff --git a/src/Attach.hs b/src/Attach.hs
index 89ed4bb..e028718 100644
--- a/src/Attach.hs
+++ b/src/Attach.hs
@@ -88,15 +88,14 @@ attachAccept printMsg h peer = do
liftIO $ printMsg $ "Confirmed peer, but verification of received identity failed"
return (Nothing, NoPairing)
OurRequestConfirm (Just (AttachIdentity _ keys (Just identity))) -> do
- liftIO $ do
- printMsg $ "Accepted updated identity"
- updateLocalState_ h $ finalizeAttach identity keys
+ liftIO $ printMsg $ "Accepted updated identity"
+ flip runReaderT h $ updateLocalState_ $ finalizeAttach identity keys
return (Nothing, PairingDone)
OurRequestReady -> throwError $ "alredy accepted, waiting for peer"
PeerRequest {} -> throwError $ "waiting for peer"
PeerRequestConfirm -> do
liftIO $ printMsg $ "Accepted new attached device, seding updated identity"
- owner <- liftIO $ mergeSharedIdentity h
+ owner <- runReaderT mergeSharedIdentity h
PeerIdentityFull pid <- peerIdentity peer
Just secret <- liftIO $ loadKey $ idKeyIdentity owner
liftIO $ do
diff --git a/src/Contact.hs b/src/Contact.hs
index 9accc4d..e0f1a74 100644
--- a/src/Contact.hs
+++ b/src/Contact.hs
@@ -123,17 +123,15 @@ contactAccept printMsg h peer = do
return (Nothing, OurRequestReady)
OurRequestConfirm (Just ContactAccepted) -> do
PeerIdentityFull pid <- peerIdentity peer
- liftIO $ do
- printMsg $ "Contact accepted"
- updateLocalState_ h $ finalizeContact pid
+ liftIO $ printMsg $ "Contact accepted"
+ flip runReaderT h $ updateLocalState_ $ finalizeContact pid
return (Nothing, PairingDone)
OurRequestReady -> throwError $ "alredy accepted, waiting for peer"
PeerRequest {} -> throwError $ "waiting for peer"
PeerRequestConfirm -> do
PeerIdentityFull pid <- peerIdentity peer
- liftIO $ do
- printMsg $ "Contact accepted"
- updateLocalState_ h $ finalizeContact pid
+ liftIO $ printMsg $ "Contact accepted"
+ flip runReaderT h $ updateLocalState_ $ finalizeContact pid
return (Just $ PairingAccept ContactAccepted, PairingDone)
PairingDone -> throwError $ "alredy done"
PairingFailed -> throwError $ "alredy failed"
diff --git a/src/Main.hs b/src/Main.hs
index 9dcbae9..1515648 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -99,7 +99,7 @@ main = do
Nothing -> error "ref does not exist"
Just ref -> print $ storedGeneration (wrappedLoad ref :: Stored Object)
- ["update-identity"] -> updateSharedIdentity =<< loadLocalStateHead st
+ ["update-identity"] -> runReaderT updateSharedIdentity =<< loadLocalStateHead st
("update-identity" : srefs) -> do
sequence <$> mapM (readRef st . BC.pack) srefs >>= \case
@@ -290,8 +290,7 @@ cmdHistory = void $ do
cmdUpdateIdentity :: Command
cmdUpdateIdentity = void $ do
- ehead <- asks ciHead
- liftIO $ updateSharedIdentity ehead
+ runReaderT updateSharedIdentity =<< asks ciHead
cmdAttach :: Command
cmdAttach = join $ attachToOwner
diff --git a/src/Message.hs b/src/Message.hs
index 192ab9d..1dadc29 100644
--- a/src/Message.hs
+++ b/src/Message.hs
@@ -121,7 +121,7 @@ sendDirectMessage h peer text = do
self = headLocalIdentity h
powner = finalOwner pid
- smsg <- liftIO $ updateSharedState h $ \prev -> do
+ smsg <- flip runReaderT h $ updateSharedState $ \prev -> do
let sent = findMsgProperty powner msSent prev
received = findMsgProperty powner msReceived prev
diff --git a/src/Service.hs b/src/Service.hs
index 0942159..1d506aa 100644
--- a/src/Service.hs
+++ b/src/Service.hs
@@ -110,6 +110,12 @@ data ServiceHandlerState s = ServiceHandlerState
newtype ServiceHandler s a = ServiceHandler (ReaderT (ServiceInput s) (WriterT [ServiceReply s] (StateT (ServiceHandlerState s) (ExceptT String IO))) a)
deriving (Functor, Applicative, Monad, MonadReader (ServiceInput s), MonadWriter [ServiceReply s], MonadState (ServiceHandlerState s), MonadError String, MonadIO)
+instance MonadHead LocalState (ServiceHandler s) where
+ updateLocalHead f = do
+ (ls, x) <- liftIO . f =<< gets svcLocal
+ modify $ \s -> s { svcLocal = ls }
+ return x
+
runServiceHandler :: Service s => Head LocalState -> ServiceInput s -> ServiceState s -> ServiceGlobalState s -> ServiceHandler s () -> IO ([ServiceReply s], (ServiceState s, ServiceGlobalState s))
runServiceHandler h input svc global shandler = do
let sstate = ServiceHandlerState { svcValue = svc, svcGlobal = global, svcLocal = headStoredObject h }
diff --git a/src/State.hs b/src/State.hs
index 55c55e1..a715f8a 100644
--- a/src/State.hs
+++ b/src/State.hs
@@ -2,6 +2,7 @@ module State (
LocalState(..),
SharedState, SharedType(..),
SharedTypeID, mkSharedTypeID,
+ MonadHead(..),
loadLocalStateHead,
updateLocalState, updateLocalState_,
@@ -16,6 +17,8 @@ module State (
interactiveIdentityUpdate,
) where
+import Control.Monad.Reader
+
import Data.Foldable
import Data.Maybe
import qualified Data.Text as T
@@ -78,6 +81,15 @@ instance SharedType (Signed IdentityData) where
sharedTypeID _ = mkSharedTypeID "0c6c1fe0-f2d7-4891-926b-c332449f7871"
+class MonadHead a m where
+ updateLocalHead :: (Stored a -> IO (Stored a, b)) -> m b
+
+instance (HeadType a, MonadIO m) => MonadHead a (ReaderT (Head a) m) where
+ updateLocalHead f = do
+ h <- ask
+ liftIO $ snd <$> updateHead h f
+
+
loadLocalStateHead :: Storage -> IO (Head LocalState)
loadLocalStateHead st = loadHeads st >>= \case
(h:_) -> return h
@@ -114,20 +126,20 @@ headLocalIdentity h =
(validateIdentity $ lsIdentity ls)
-updateLocalState_ :: Head LocalState -> (Stored LocalState -> IO (Stored LocalState)) -> IO ()
-updateLocalState_ h f = updateLocalState h (fmap (,()) . f)
+updateLocalState_ :: MonadHead LocalState m => (Stored LocalState -> IO (Stored LocalState)) -> m ()
+updateLocalState_ f = updateLocalState (fmap (,()) . f)
-updateLocalState :: Head LocalState -> (Stored LocalState -> IO (Stored LocalState, a)) -> IO a
-updateLocalState h f = snd <$> updateHead h f
+updateLocalState :: MonadHead LocalState m => (Stored LocalState -> IO (Stored LocalState, a)) -> m a
+updateLocalState = updateLocalHead
-updateSharedState_ :: SharedType a => Head LocalState -> ([Stored a] -> IO ([Stored a])) -> IO ()
-updateSharedState_ h f = updateSharedState h (fmap (,()) . f)
+updateSharedState_ :: (SharedType a, MonadHead LocalState m) => ([Stored a] -> IO ([Stored a])) -> m ()
+updateSharedState_ f = updateSharedState (fmap (,()) . f)
-updateSharedState :: forall a b. SharedType a => Head LocalState -> ([Stored a] -> IO ([Stored a], b)) -> IO b
-updateSharedState h f = updateLocalState h $ \ls -> do
+updateSharedState :: forall a b m. (SharedType a, MonadHead LocalState m) => ([Stored a] -> IO ([Stored a], b)) -> m b
+updateSharedState f = updateLocalHead $ \ls -> do
let shared = lsShared $ fromStored ls
val = lookupSharedValue shared
- st = refStorage $ headRef h
+ st = storedStorage ls
(val', x) <- f val
(,x) <$> if val' == val
then return ls
@@ -148,14 +160,14 @@ makeSharedStateUpdate st val prev = wrappedStore st SharedState
}
-mergeSharedIdentity :: Head LocalState -> IO UnifiedIdentity
-mergeSharedIdentity = flip updateSharedState $ \sdata -> do
+mergeSharedIdentity :: MonadHead LocalState m => m UnifiedIdentity
+mergeSharedIdentity = updateSharedState $ \sdata -> do
let Just cidentity = validateIdentityF sdata
identity <- mergeIdentity cidentity
return ([idData identity], identity)
-updateSharedIdentity :: Head LocalState -> IO ()
-updateSharedIdentity = flip updateSharedState_ $ \sdata -> do
+updateSharedIdentity :: MonadHead LocalState m => m ()
+updateSharedIdentity = updateSharedState_ $ \sdata -> do
let Just identity = validateIdentityF sdata
(:[]) . idData <$> interactiveIdentityUpdate identity
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-19 12:40:53 +0000