Database.Memcache.Socket

Handles a single Memcached connection, sending and receiving requests.

Types

data Socket :: *

Represents a socket. The fields are, respectively:

• File descriptor
• Socket family
• Socket type
• Protocol number
• Status flag

If you are calling the MkSocket constructor directly you should ensure you have called withSocketsDo.

Instances

Eq Socket

Show Socket

data Request

Constructors

Req

Fields

reqOp :: OpRequest

reqOpaque :: Word32

reqCas :: Version

Instances

Eq Request

Show Request

data Response

Memcached response packet.

Constructors

Res

Fields

resOp :: OpResponse

resStatus :: Status

resOpaque :: Word32

resCas :: Version

Instances

Eq Response

Show Response

Operations

send :: Socket -> Request -> IO ()

Send a request to the Memcached server.

recv :: Socket -> IO Response

Retrieve a single response from the Memcached server. FIXME: read into buffer to minimize read syscalls

Serialization / Deserialization

szRequest :: Request -> Builder

Serialize a request to a ByteString Builder.

szResponse :: Response -> Builder

Serialize a response to a ByteString Builder.

dzHeader :: PktType -> Get Header

Deserialize a Header from a ByteString.

dzResponse :: Header -> ByteString -> Response

Deserialize a Response body.