Database.Memcache.Types

Stores the various types needed by memcache. Mostly concerned with the representation of the protocol.

Documentation

data Q

Constructors

Loud

Quiet

Instances

Eq Q

Show Q

Typeable Q

data K

Constructors

NoKey

IncludeKey

Instances

Eq K

Show K

Typeable K

type Key = ByteString

type Value = ByteString

type Extras = ByteString

type Initial = Word64

type Delta = Word64

type Expiration = Word32

type Flags = Word32

type Version = Word64

mEMCACHE_HEADER_SIZE :: Int

data Header

Constructors

Header

Fields

op :: Word8

keyLen :: Word16

extraLen :: Word8

status :: Status

bodyLen :: Word32

opaque :: Word32

cas :: Version

Instances

Eq Header

Show Header

Typeable Header

data Request

Constructors

Req

Fields

reqOp :: OpRequest

reqOpaque :: Word32

reqCas :: Version

Instances

Eq Request

Show Request

Typeable Request

data OpRequest

Constructors

ReqGet Q K Key

ReqSet Q Key Value SESet

ReqAdd Q Key Value SESet

ReqReplace Q Key Value SESet

ReqDelete Q Key

ReqIncrement Q Key SEIncr

ReqDecrement Q Key SEIncr

ReqAppend Q Key Value

ReqPrepend Q Key Value

ReqTouch Key SETouch

ReqGAT Q K Key SETouch

ReqFlush Q (Maybe SETouch)

ReqNoop

ReqVersion

ReqStat (Maybe Key)

ReqQuit Q

ReqSASLList

ReqSASLStart Key Value

ReqSASLStep Key Value

Instances

Eq OpRequest

Show OpRequest

Typeable OpRequest

data SESet

Constructors

SESet Flags Expiration

Instances

Eq SESet

Show SESet

Typeable SESet

data SEIncr

Constructors

SEIncr Initial Delta Expiration

Instances

Eq SEIncr

Show SEIncr

Typeable SEIncr

data SETouch

Constructors

SETouch Expiration

Instances

Eq SETouch

Show SETouch

Typeable SETouch

emptyReq :: Request

data Response

Constructors

Res

Fields

resOp :: OpResponse

resStatus :: Status

resOpaque :: Word32

resCas :: Version

Instances

Eq Response

Show Response

Typeable Response

data OpResponse

Constructors

ResGet Q Value Flags

ResGetK Q Key Value Flags

ResSet Q

ResAdd Q

ResReplace Q

ResDelete Q

ResIncrement Q Word64

ResDecrement Q Word64

ResAppend Q

ResPrepend Q

ResTouch

ResGAT Q Value Flags

ResGATK Q Key Value Flags

ResFlush Q

ResNoop

ResVersion Value

ResStat Key Value

ResQuit Q

ResSASLList Value

ResSASLStart

ResSASLStep

Instances

Eq OpResponse

Show OpResponse

Typeable OpResponse

data Status

Constructors

NoError

ErrKeyNotFound

ErrKeyExists

ErrValueTooLarge

ErrInvalidArgs

ErrItemNotStored

ErrValueNonNumeric

ErrUnknownCommand

ErrOutOfMemory

SaslAuthFail

SaslAuthContinue

Instances

Eq Status

Show Status

Typeable Status

data ProtocolError

Constructors

ProtocolError

Fields

protocolMessage :: String

protocolHeader :: Maybe Header

protocolParams :: [String]

Instances

Eq ProtocolError

Show ProtocolError

Typeable ProtocolError

Exception ProtocolError

data IncorrectResponse

Constructors

IncorrectResponse

Fields

increspMessage :: String

increspActual :: Response

Instances

Eq IncorrectResponse

Show IncorrectResponse

Typeable IncorrectResponse

Exception IncorrectResponse