gtsocial-umbx

Unnamed repository; edit this file 'description' to name the repository.
Log | Files | Refs | README | LICENSE

gss_enc_request.go (1045B)

      1 package pgproto3
      2 
      3 import (
      4 	"encoding/binary"
      5 	"encoding/json"
      6 	"errors"
      7 
      8 	"github.com/jackc/pgio"
      9 )
     10 
     11 const gssEncReqNumber = 80877104
     12 
     13 type GSSEncRequest struct {
     14 }
     15 
     16 // Frontend identifies this message as sendable by a PostgreSQL frontend.
     17 func (*GSSEncRequest) Frontend() {}
     18 
     19 func (dst *GSSEncRequest) Decode(src []byte) error {
     20 	if len(src) < 4 {
     21 		return errors.New("gss encoding request too short")
     22 	}
     23 
     24 	requestCode := binary.BigEndian.Uint32(src)
     25 
     26 	if requestCode != gssEncReqNumber {
     27 		return errors.New("bad gss encoding request code")
     28 	}
     29 
     30 	return nil
     31 }
     32 
     33 // Encode encodes src into dst. dst will include the 4 byte message length.
     34 func (src *GSSEncRequest) Encode(dst []byte) []byte {
     35 	dst = pgio.AppendInt32(dst, 8)
     36 	dst = pgio.AppendInt32(dst, gssEncReqNumber)
     37 	return dst
     38 }
     39 
     40 // MarshalJSON implements encoding/json.Marshaler.
     41 func (src GSSEncRequest) MarshalJSON() ([]byte, error) {
     42 	return json.Marshal(struct {
     43 		Type            string
     44 		ProtocolVersion uint32
     45 		Parameters      map[string]string
     46 	}{
     47 		Type: "GSSEncRequest",
     48 	})
     49 }