Files
simplexmq/src/Simplex/Messaging/Server/MsgStore.hs
T
Evgeny Poberezkin 9c1b43791c SMP v3: encrypt message timestamp and flags together with the body between server and recipient (#457)
* SMP v3: encrypt message timestamp and flags together with the body between server and recipient

* v3 tests

* update protocol doc

* add test for max size message

* delay in notifications test

* simplify v3

* encrypt server message to the recipient when sent

* refactor

* exit on error restoring the messages

* refactor, increase test timeout

* style

* add prints to the test

* remove error from unsafeMaxLenBS

* update protocol

* lint, improve test, change func param
2022-07-05 21:08:05 +01:00

34 lines
1.2 KiB
Haskell

{-# LANGUAGE FunctionalDependencies #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE OverloadedStrings #-}
module Simplex.Messaging.Server.MsgStore where
import Control.Applicative ((<|>))
import Data.Int (Int64)
import Numeric.Natural
import Simplex.Messaging.Encoding.String
import Simplex.Messaging.Protocol (Message (..), MsgId, RcvMessage (..), RecipientId)
data MsgLogRecord = MLRv3 RecipientId Message | MLRv1 RecipientId RcvMessage
instance StrEncoding MsgLogRecord where
strEncode = \case
MLRv3 rId msg -> strEncode (Str "v3", rId, msg)
MLRv1 rId msg -> strEncode (rId, msg)
strP = "v3 " *> (MLRv3 <$> strP_ <*> strP) <|> MLRv1 <$> strP_ <*> strP
class MonadMsgStore s q m | s -> q where
getMsgQueue :: s -> RecipientId -> Natural -> m q
delMsgQueue :: s -> RecipientId -> m ()
flushMsgQueue :: s -> RecipientId -> m [Message]
class MonadMsgQueue q m where
isFull :: q -> m Bool
writeMsg :: q -> Message -> m () -- non blocking
tryPeekMsg :: q -> m (Maybe Message) -- non blocking
peekMsg :: q -> m Message -- blocking
tryDelMsg :: q -> MsgId -> m Bool -- non blocking
tryDelPeekMsg :: q -> MsgId -> m (Bool, Maybe Message) -- atomic delete (== read) last and peek next message, if available
deleteExpiredMsgs :: q -> Int64 -> m ()