package pgproto3 import ( "encoding/binary" "encoding/json" "github.com/jackc/pgx/pgio" ) type BackendKeyData struct { ProcessID uint32 SecretKey uint32 } func (*BackendKeyData) Backend() {} func (dst *BackendKeyData) Decode(src []byte) error { if len(src) != 8 { return &invalidMessageLenErr{messageType: "BackendKeyData", expectedLen: 8, actualLen: len(src)} } dst.ProcessID = binary.BigEndian.Uint32(src[:4]) dst.SecretKey = binary.BigEndian.Uint32(src[4:]) return nil } func (src *BackendKeyData) Encode(dst []byte) []byte { dst = append(dst, 'K') dst = pgio.AppendUint32(dst, 12) dst = pgio.AppendUint32(dst, src.ProcessID) dst = pgio.AppendUint32(dst, src.SecretKey) return dst } func (src *BackendKeyData) MarshalJSON() ([]byte, error) { return json.Marshal(struct { Type string ProcessID uint32 SecretKey uint32 }{ Type: "BackendKeyData", ProcessID: src.ProcessID, SecretKey: src.SecretKey, }) }