gtsocial-umbx

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ssl_request.go (1012B)

      1 package pgproto3
      2 
      3 import (
      4 	"encoding/binary"
      5 	"encoding/json"
      6 	"errors"
      7 
      8 	"github.com/jackc/pgio"
      9 )
     10 
     11 const sslRequestNumber = 80877103
     12 
     13 type SSLRequest struct {
     14 }
     15 
     16 // Frontend identifies this message as sendable by a PostgreSQL frontend.
     17 func (*SSLRequest) Frontend() {}
     18 
     19 func (dst *SSLRequest) Decode(src []byte) error {
     20 	if len(src) < 4 {
     21 		return errors.New("ssl request too short")
     22 	}
     23 
     24 	requestCode := binary.BigEndian.Uint32(src)
     25 
     26 	if requestCode != sslRequestNumber {
     27 		return errors.New("bad ssl 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 *SSLRequest) Encode(dst []byte) []byte {
     35 	dst = pgio.AppendInt32(dst, 8)
     36 	dst = pgio.AppendInt32(dst, sslRequestNumber)
     37 	return dst
     38 }
     39 
     40 // MarshalJSON implements encoding/json.Marshaler.
     41 func (src SSLRequest) MarshalJSON() ([]byte, error) {
     42 	return json.Marshal(struct {
     43 		Type            string
     44 		ProtocolVersion uint32
     45 		Parameters      map[string]string
     46 	}{
     47 		Type: "SSLRequest",
     48 	})
     49 }