types

type Codec interface {
	// Type is the codec kind
	Type() arhatgopb.CodecType

	// NewEncoder creates a new Encoder which will encode messages to the Writer
	NewEncoder(w io.Writer) Encoder

	// NewEncoder creates a new Decoder which will decode messages from the Reader
	NewDecoder(r io.Reader) Decoder

	// Unmarshal non stream data
	Unmarshal(data []byte, out interface{}) error

	// Marshal v as non stream data
	Marshal(v interface{}) ([]byte, error)
}

type Decoder interface {
	// Decode one message from stream
	Decode(out interface{}) error
}

type Encoder interface {
	// Encode one message to stream
	Encode(any interface{}) error
}

type Handler interface {
	// HandleCmd process one command per function call, payload is non stream data
	HandleCmd(id uint64, kind arhatgopb.CmdType, payload []byte) (interface{}, error)
}

type MarshalFunc func(v interface{}) ([]byte, error)

type UnmarshalFunc func(data []byte, out interface{}) error