package pgproto3 import ( "encoding/binary" "encoding/json" "errors" "github.com/jackc/pgx/v5/internal/pgio" ) // AuthenticationOk is a message sent from the backend indicating that authentication was successful. type AuthenticationOk struct { } // Backend identifies this message as sendable by the PostgreSQL backend. func (*AuthenticationOk) Backend() {} // Backend identifies this message as an authentication response. func (*AuthenticationOk) AuthenticationResponse() {} // Decode decodes src into dst. src must contain the complete message with the exception of the initial 1 byte message // type identifier and 4 byte message length. func (dst *AuthenticationOk) Decode(src []byte) error { if len(src) != 4 { return errors.New("bad authentication message size") } authType := binary.BigEndian.Uint32(src) if authType != AuthTypeOk { return errors.New("bad auth type") } return nil } // Encode encodes src into dst. dst will include the 1 byte message type identifier and the 4 byte message length. func (src *AuthenticationOk) Encode(dst []byte) []byte { dst = append(dst, 'R') dst = pgio.AppendInt32(dst, 8) dst = pgio.AppendUint32(dst, AuthTypeOk) return dst } // MarshalJSON implements encoding/json.Marshaler. func (src AuthenticationOk) MarshalJSON() ([]byte, error) { return json.Marshal(struct { Type string }{ Type: "AuthenticationOK", }) }