open-vault/vendor/github.com/jackc/pgx/pgproto3/backend_key_data.go

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2018-10-03 16:55:26 +00:00
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,
})
}