protocol

type Codec interface {
	// Marshal returns the wire format of v.
	Marshal(v *Message) ([]byte, error)
	// Unmarshal parses the wire format into v.
	Unmarshal(data []byte, v *Message) error
	// Name returns the name of the Codec implementation. The returned string
	// will be used as part of content type in transmission.  The result must be
	// static; the result cannot change between calls.
	Name() string
}

type CodecJson struct{}

type CodecSimple struct{}

type Message struct {
	Meta struct {
		Version int    `json:"version"`
		UUID    string `json:"uuid"`
		// Nanosecond
		Timestamp int64 `json:"timestamp"`
	}
	Data struct {
		Headers map[string]string `json:"headers"`
		Method  string            `json:"method"`
		Request string            `json:"request"`
	}
}

type Protocol interface {
	Encode(msg *Message) (bt []byte, err error)
	Decode(bt []byte) (msg *Message, err error)
}