package protocol

// protocol
// 1byte: magic: 99
// 1byte: 1 request, 2 response, 3 event, 4 error
// 1byte: status: 20-OK, 30-CLIENT_TIMEOUT, 31-SERVER_TIMEOUT, 40-BAD_REQUEST, 41-BAD_RESPONSE, 44-SERVICE_NOT_FOUND, 50-CLIENT_ERROR, 51-SERVER_ERROR, 52-SERVICE_ERROR
// 4bit: svc,method url desc: 1 name, 2 number
// 4bit: serialize: 1proto, 2json
// 4byte: seqId
// string: service, method / 4byte svc, 4byte method/4byte notice
// proto bytes / json bytes

const (
	Magic int8 = 99

	TypeRequest  int8 = 1
	TypeResponse int8 = 2
	TypeNotice   int8 = 3
	TypeError    int8 = 4
)

type Header struct {
	Magic         int8
	Type          int8 // 1 request, 2 response, 3 event, 4 error
	Status        int8
	UrlType       int8
	SerializeType int8
	SeqId         int32
	SvcNo         int32
	MethodNo      int32
	Svc           string
	Method        string
}

type Payload struct {
	Header Header
	Body   []byte
}