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authorGravatar Joey Hess <joey@kitenet.net>2014-04-05 14:30:42 -0400
committerGravatar Joey Hess <joey@kitenet.net>2014-04-05 14:30:42 -0400
commit35229f26a496cecc2a85ec2ad3bb54d63d274b63 (patch)
tree0070377b29728066597a37825aff056412623bee /RemoteDaemon
parent37de1fc1863379c4bc8f71210e63530a06ff8335 (diff)
basic support for git-remote-daemon protocol
Diffstat (limited to 'RemoteDaemon')
-rw-r--r--RemoteDaemon/Types.hs78
1 files changed, 78 insertions, 0 deletions
diff --git a/RemoteDaemon/Types.hs b/RemoteDaemon/Types.hs
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+{- git-remote-daemon data types.
+ -
+ - Copyright 2014 Joey Hess <joey@kitenet.net>
+ -
+ - Licensed under the GNU GPL version 3 or higher.
+ -}
+
+{-# LANGUAGE TypeSynonymInstances, FlexibleInstances #-}
+{-# OPTIONS_GHC -fno-warn-orphans #-}
+
+module RemoteDaemon.Types where
+
+import Common.Annex
+import qualified Git.Types as Git
+import qualified Utility.SimpleProtocol as Proto
+
+import Control.Concurrent.STM
+
+-- Messages that the daemon emits.
+data Emitted
+ = CHANGED RemoteName RefList
+ | STATUS RemoteName UserMessage
+ | ERROR RemoteName UserMessage
+
+-- Messages that the deamon consumes.
+data Consumed
+ = PAUSE
+ | RESUME
+ | PUSH RemoteName
+ | RELOAD
+
+type RemoteName = String
+type UserMessage = String
+type RefList = [Git.Ref]
+
+instance Proto.Sendable Emitted where
+ formatMessage (CHANGED remote refs) =
+ ["CHANGED"
+ , Proto.serialize remote
+ , Proto.serialize refs
+ ]
+ formatMessage (STATUS remote msg) =
+ ["STATUS"
+ , Proto.serialize remote
+ , Proto.serialize msg
+ ]
+ formatMessage (ERROR remote msg) =
+ ["ERROR"
+ , Proto.serialize remote
+ , Proto.serialize msg
+ ]
+
+instance Proto.Sendable Consumed where
+ formatMessage PAUSE = ["PAUSE"]
+ formatMessage RESUME = ["RESUME"]
+ formatMessage (PUSH remote) = ["PUSH", Proto.serialize remote]
+ formatMessage RELOAD = ["RELOAD"]
+
+instance Proto.Receivable Emitted where
+ parseCommand "CHANGED" = Proto.parse2 CHANGED
+ parseCommand "STATUS" = Proto.parse2 STATUS
+ parseCommand "ERROR" = Proto.parse2 ERROR
+ parseCommand _ = Proto.parseFail
+
+instance Proto.Receivable Consumed where
+ parseCommand "PAUSE" = Proto.parse0 PAUSE
+ parseCommand "RESUME" = Proto.parse0 RESUME
+ parseCommand "PUSH" = Proto.parse1 PUSH
+ parseCommand "RELOAD" = Proto.parse0 RELOAD
+ parseCommand _ = Proto.parseFail
+
+instance Proto.Serializable [Char] where
+ serialize = id
+ deserialize = Just
+
+instance Proto.Serializable RefList where
+ serialize = unwords . map Git.fromRef
+ deserialize = Just . map Git.Ref . words