blob: d13cbfe16c3df4e063b2d04a20803bead5a6a5a0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
{- Copyright 2016 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
module Storage where
import Types
data Storage = Storage
{ storeShard :: StorableObjectIdent -> Shard -> IO StoreResult
, retrieveShard :: ShardNum -> StorableObjectIdent -> IO RetrieveResult
, obscureShards :: IO ObscureResult
-- ^ run after making some calls to storeShard/retrieveShard,
-- to avoid correlation attacks
, countShards :: IO CountResult
} -- Note that there is no interface to enumerate shards.
data StoreResult = StoreSuccess | StoreAlreadyExists | StoreFailure String
deriving (Show)
data RetrieveResult = RetrieveSuccess Shard | RetrieveFailure String
data ObscureResult = ObscureSuccess | ObscureFailure String
deriving (Show)
data CountResult = CountResult Integer | CountFailure String
deriving (Show)
|