Safe Haskell	None
Language	Haskell2010

Ouroboros.Network.Protocol.Handshake.Codec

Contents

Version data codec

Synopsis

codecHandshake :: forall vNumber (m :: Type -> Type) failure. (MonadST m, Ord vNumber, Show failure) => CodecCBORTerm (failure, Maybe Int) vNumber -> Codec (Handshake vNumber Term) DeserialiseFailure m ByteString
byteLimitsHandshake :: forall {k} (vNumber :: k). ProtocolSizeLimits (Handshake vNumber Term) ByteString
timeLimitsHandshake :: forall {k} (vNumber :: k). ProtocolTimeLimits (Handshake vNumber Term)
noTimeLimitsHandshake :: forall {k} (vNumber :: k). ProtocolTimeLimits (Handshake vNumber Term)
encodeRefuseReason :: CodecCBORTerm fail vNumber -> RefuseReason vNumber -> Encoding
decodeRefuseReason :: Show failure => CodecCBORTerm (failure, Maybe Int) vNumber -> Decoder s (RefuseReason vNumber)
data VersionDataCodec bytes vNumber vData = VersionDataCodec {
- encodeData :: vNumber -> vData -> bytes
- decodeData :: vNumber -> bytes -> Either Text vData
}
cborTermVersionDataCodec :: (vNumber -> CodecCBORTerm Text vData) -> VersionDataCodec Term vNumber vData

Documentation

codecHandshake Source #

Arguments

:: forall vNumber (m :: Type -> Type) failure. (MonadST m, Ord vNumber, Show failure)
=> CodecCBORTerm (failure, Maybe Int) vNumber	`Term` codec for `vNumber`
-> Codec (Handshake vNumber Term) DeserialiseFailure m ByteString

Handshake codec. The MsgProposeVersions encodes proposed map in ascending order and it expects to receive them in this order. The whole MsgProposeVersions message must fit into a single TCP segment which limits number of versions that can be proposed.

byteLimitsHandshake :: forall {k} (vNumber :: k). ProtocolSizeLimits (Handshake vNumber Term) ByteString Source #

Byte limits

timeLimitsHandshake :: forall {k} (vNumber :: k). ProtocolTimeLimits (Handshake vNumber Term) Source #

Time limits.

`Handshake` state	timeout (s)
`StPropose`	`shortWait`
`StConfirm`	`shortWait`

noTimeLimitsHandshake :: forall {k} (vNumber :: k). ProtocolTimeLimits (Handshake vNumber Term) Source #

encodeRefuseReason :: CodecCBORTerm fail vNumber -> RefuseReason vNumber -> Encoding Source #

decodeRefuseReason :: Show failure => CodecCBORTerm (failure, Maybe Int) vNumber -> Decoder s (RefuseReason vNumber) Source #

Version data codec

data VersionDataCodec bytes vNumber vData Source #

Codec for version data (vData in code) exchanged by the handshake protocol.

Note: extra type param is instantiated to DictVersion; agreedOptions is instantiated to NodeToNodeVersionData in Ouroboros.Network.NodeToNode or to () in Ouroboros.Network.NodeToClient.

Constructors

VersionDataCodec
Fields encodeData :: vNumber -> vData -> bytes encoder of `vData` which has access to 'extra vData' which can bring extra instances into the scope (by means of pattern matching on a GADT). decodeData :: vNumber -> bytes -> Either Text vData decoder of `vData`.

cborTermVersionDataCodec :: (vNumber -> CodecCBORTerm Text vData) -> VersionDataCodec Term vNumber vData Source #