forked from mirrors/gotosocial
53 lines
1.2 KiB
Go
53 lines
1.2 KiB
Go
package pgproto3
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
|
|
"github.com/jackc/pgx/v5/internal/pgio"
|
|
)
|
|
|
|
type CopyFail struct {
|
|
Message string
|
|
}
|
|
|
|
// Frontend identifies this message as sendable by a PostgreSQL frontend.
|
|
func (*CopyFail) Frontend() {}
|
|
|
|
// 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 *CopyFail) Decode(src []byte) error {
|
|
idx := bytes.IndexByte(src, 0)
|
|
if idx != len(src)-1 {
|
|
return &invalidMessageFormatErr{messageType: "CopyFail"}
|
|
}
|
|
|
|
dst.Message = string(src[:idx])
|
|
|
|
return nil
|
|
}
|
|
|
|
// Encode encodes src into dst. dst will include the 1 byte message type identifier and the 4 byte message length.
|
|
func (src *CopyFail) Encode(dst []byte) []byte {
|
|
dst = append(dst, 'f')
|
|
sp := len(dst)
|
|
dst = pgio.AppendInt32(dst, -1)
|
|
|
|
dst = append(dst, src.Message...)
|
|
dst = append(dst, 0)
|
|
|
|
pgio.SetInt32(dst[sp:], int32(len(dst[sp:])))
|
|
|
|
return dst
|
|
}
|
|
|
|
// MarshalJSON implements encoding/json.Marshaler.
|
|
func (src CopyFail) MarshalJSON() ([]byte, error) {
|
|
return json.Marshal(struct {
|
|
Type string
|
|
Message string
|
|
}{
|
|
Type: "CopyFail",
|
|
Message: src.Message,
|
|
})
|
|
}
|