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authorGravatar Joey Hess <joeyh@joeyh.name>2016-12-01 00:41:01 -0400
committerGravatar Joey Hess <joeyh@joeyh.name>2016-12-01 00:42:01 -0400
commit753793371aa6595e41b095952f5d67563e103290 (patch)
treee3517926ab3483e77e95cba627dbfd7dfc9513c1 /P2P
parent8fac3e5732cc379f602977cd5ea2ba684556fe85 (diff)
cleanups
Diffstat (limited to 'P2P')
-rw-r--r--P2P/IO.hs33
-rw-r--r--P2P/Protocol.hs32
2 files changed, 18 insertions, 47 deletions
diff --git a/P2P/IO.hs b/P2P/IO.hs
index ac7c3e463..6a834c659 100644
--- a/P2P/IO.hs
+++ b/P2P/IO.hs
@@ -1,4 +1,4 @@
-{- P2P protocol, partial IO implementation
+{- P2P protocol, IO implementation
-
- Copyright 2016 Joey Hess <id@joeyh.name>
-
@@ -9,8 +9,8 @@
module P2P.IO
( RunEnv(..)
- , runNetProtoHandle
- , runNetHandle
+ , runNetProto
+ , runNet
) where
import P2P.Protocol
@@ -42,21 +42,25 @@ data RunEnv = RunEnv
, runOhdl :: Handle
}
--- Interpreter of Proto that communicates with a peer over a Handle.
+-- Purposefully incomplete interpreter of Proto.
--
--- No Local actions will be run; if the interpreter reaches any,
+-- This only runs Net actions. No Local actions will be run
+-- (those need the Annex monad) -- if the interpreter reaches any,
-- it returns Nothing.
-runNetProtoHandle :: (MonadIO m, MonadMask m) => RunEnv -> Proto a -> m (Maybe a)
-runNetProtoHandle runenv = go
+runNetProto :: RunEnv -> Proto a -> IO (Maybe a)
+runNetProto runenv = go
where
- go :: RunProto m
+ go :: RunProto IO
go (Pure v) = pure (Just v)
- go (Free (Net n)) = runNetHandle runenv go n
+ go (Free (Net n)) = runNet runenv go n
go (Free (Local _)) = return Nothing
--- Interprater of Net that communicates with a peer over a Handle.
-runNetHandle :: (MonadIO m, MonadMask m) => RunEnv -> RunProto m -> NetF (Proto a) -> m (Maybe a)
-runNetHandle runenv runner f = case f of
+-- Interprater of the Net part of Proto.
+--
+-- An interpreter of Proto has to be provided, to handle the rest of Proto
+-- actions.
+runNet :: (MonadIO m, MonadMask m) => RunEnv -> RunProto m -> NetF (Proto a) -> m (Maybe a)
+runNet runenv runner f = case f of
SendMessage m next -> do
v <- liftIO $ tryIO $ do
hPutStrLn (runOhdl runenv) (unwords (formatMessage m))
@@ -101,10 +105,9 @@ runNetHandle runenv runner f = case f of
Just () -> runner next
where
-- This is only used for running Net actions when relaying,
- -- so it's ok to use runNetProtoHandle, despite it not supporting
+ -- so it's ok to use runNetProto, despite it not supporting
-- all Proto actions.
- runnerio :: RunProto IO
- runnerio = runNetProtoHandle runenv
+ runnerio = runNetProto runenv
runRelay :: RunProto IO -> RelayHandle -> RelayHandle -> IO (Maybe ExitCode)
runRelay runner (RelayHandle hout) (RelayHandle hin) = bracket setup cleanup go
diff --git a/P2P/Protocol.hs b/P2P/Protocol.hs
index 381949af1..444e08f0e 100644
--- a/P2P/Protocol.hs
+++ b/P2P/Protocol.hs
@@ -174,38 +174,6 @@ type Local = Free LocalF
$(makeFree ''NetF)
$(makeFree ''LocalF)
--- | Running Proto actions purely, to see what they do.
-runPure :: Show r => Proto r -> [Message] -> [(String, Maybe Message)]
-runPure (Pure r) _ = [("result: " ++ show r, Nothing)]
-runPure (Free (Net n)) ms = runNet n ms
-runPure (Free (Local n)) ms = runLocal n ms
-
-runNet :: Show r => NetF (Proto r) -> [Message] -> [(String, Maybe Message)]
-runNet (SendMessage m next) ms = (">", Just m):runPure next ms
-runNet (ReceiveMessage _) [] = [("not enough Messages provided", Nothing)]
-runNet (ReceiveMessage next) (m:ms) = ("<", Just m):runPure (next m) ms
-runNet (SendBytes _ _ next) ms = ("> bytes", Nothing):runPure next ms
-runNet (ReceiveBytes _ next) ms = ("< bytes", Nothing):runPure (next L.empty) ms
-runNet (CheckAuthToken _ _ next) ms = runPure (next True) ms
-runNet (Relay _ _ next) ms = runPure (next ExitSuccess) ms
-runNet (RelayService _ next) ms = runPure next ms
-
-runLocal :: Show r => LocalF (Proto r) -> [Message] -> [(String, Maybe Message)]
-runLocal (KeyFileSize _ next) ms = runPure (next (Len 100)) ms
-runLocal (ReadKeyFile _ _ next) ms = runPure (next L.empty) ms
-runLocal (WriteKeyFile _ _ _ _ next) ms = runPure (next True) ms
-runLocal (SetPresent _ _ next) ms = runPure next ms
-runLocal (CheckContentPresent _ next) ms = runPure (next False) ms
-runLocal (RemoveKeyFile _ next) ms = runPure (next True) ms
-runLocal (TryLockContent _ p next) ms = runPure (p True >> next) ms
-
-protoDump :: [(String, Maybe Message)] -> String
-protoDump = unlines . map protoDump'
-
-protoDump' :: (String, Maybe Message) -> String
-protoDump' (s, Nothing) = s
-protoDump' (s, Just m) = s ++ " " ++ unwords (Proto.formatMessage m)
-
auth :: UUID -> AuthToken -> Proto (Maybe UUID)
auth myuuid t = do
net $ sendMessage (AUTH myuuid t)