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{- Chunk logs.
-
- An object can be stored in chunked for on a remote; these logs keep
- track of the chunk size used, and the number of chunks.
-
- It's possible for a single object to be stored multiple times on the
- same remote using different chunk sizes. So, while this is a MapLog, it
- is not a normal UUIDBased log. Intead, it's a map from UUID and chunk
- size to number of chunks.
-
- Format: "timestamp uuid:chunksize chunkcount"
-
- Copyright 2014 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Logs.Chunk (
ChunkMethod(..),
ChunkSize,
ChunkCount,
chunksStored,
chunksRemoved,
getCurrentChunks,
) where
import Annex.Common
import Logs
import Logs.MapLog
import qualified Annex.Branch
import Logs.Chunk.Pure
import qualified Annex
import qualified Data.Map as M
chunksStored :: UUID -> Key -> ChunkMethod -> ChunkCount -> Annex ()
chunksStored u k chunkmethod chunkcount = do
c <- liftIO currentVectorClock
config <- Annex.getGitConfig
Annex.Branch.change (chunkLogFile config k) $
showLog . changeMapLog c (u, chunkmethod) chunkcount . parseLog
chunksRemoved :: UUID -> Key -> ChunkMethod -> Annex ()
chunksRemoved u k chunkmethod = chunksStored u k chunkmethod 0
getCurrentChunks :: UUID -> Key -> Annex [(ChunkMethod, ChunkCount)]
getCurrentChunks u k = do
config <- Annex.getGitConfig
select . parseLog <$> Annex.Branch.get (chunkLogFile config k)
where
select = filter (\(_m, ct) -> ct > 0)
. map (\((_ku, m), l) -> (m, value l))
. M.toList
. M.filterWithKey (\(ku, _m) _ -> ku == u)
|
