gotosocial/vendor/github.com/jackc/pgproto3/v2/backend_key_data.go
tobi 2dc9fc1626
Pg to bun (#148)
* start moving to bun

* changing more stuff

* more

* and yet more

* tests passing

* seems stable now

* more big changes

* small fix

* little fixes
2021-08-25 15:34:33 +02:00

51 lines
1.3 KiB
Go

package pgproto3
import (
"encoding/binary"
"encoding/json"
"github.com/jackc/pgio"
)
type BackendKeyData struct {
ProcessID uint32
SecretKey uint32
}
// Backend identifies this message as sendable by the PostgreSQL backend.
func (*BackendKeyData) Backend() {}
// 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 *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
}
// Encode encodes src into dst. dst will include the 1 byte message type identifier and the 4 byte message length.
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
}
// MarshalJSON implements encoding/json.Marshaler.
func (src BackendKeyData) MarshalJSON() ([]byte, error) {
return json.Marshal(struct {
Type string
ProcessID uint32
SecretKey uint32
}{
Type: "BackendKeyData",
ProcessID: src.ProcessID,
SecretKey: src.SecretKey,
})
}