This commit is contained in:
Joey Hess 2016-12-01 00:41:01 -04:00
parent 94dad1e979
commit 3dce6a080e
No known key found for this signature in database
GPG key ID: C910D9222512E3C7
4 changed files with 20 additions and 49 deletions

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@ -66,7 +66,7 @@ connectService address port service = do
, runIhdl = h
, runOhdl = h
}
runNetProtoHandle runenv $ do
liftIO $ runNetProto runenv $ do
v <- auth myuuid authtoken
case v of
Just _theiruuid -> connect service stdin stdout

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@ -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

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@ -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)

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@ -84,5 +84,5 @@ serveClient th u r q = bracket setup cleanup go
, runIhdl = h
, runOhdl = h
}
void $ runNetProtoHandle runenv (serve u)
void $ runNetProto runenv (serve u)
debugM "remotedaemon" "done with TOR connection"