gss_enc_request.go

package pgproto3

import (
	"encoding/binary"
	"errors"

	"github.com/jackc/pgio"
)

const gssEncReqNumber = 80877104

type GSSEncRequest struct {
}

// Frontend identifies this message as sendable by a PostgreSQL frontend.
func (*GSSEncRequest) Frontend() {}

func (dst *GSSEncRequest) Decode(src []byte) error {
	//println("GSSEncRequest.Decode")
	if len(src) < 4 {
		return errors.New("gss encoding request too short")
	}

	requestCode := binary.BigEndian.Uint32(src)

	if requestCode != gssEncReqNumber {
		return errors.New("bad gss encoding request code")
	}

	return nil
}

// Encode encodes src into dst. dst will include the 4 byte message length.
func (src *GSSEncRequest) Encode(dst []byte) []byte {
	//println("GSSEncRequest.Encode")
	dst = pgio.AppendInt32(dst, 8)
	dst = pgio.AppendInt32(dst, gssEncReqNumber)
	return dst
}

// // MarshalJSON implements encoding/json.Marshaler.
// func (src GSSEncRequest) MarshalJSON() ([]byte, error) {
// 	return json.Marshal(struct {
// 		Type            string
// 		ProtocolVersion uint32
// 		Parameters      map[string]string
// 	}{
// 		Type: "GSSEncRequest",
// 	})
// }