mirror of
https://github.com/octoleo/restic.git
synced 2024-11-17 02:25:12 +00:00
42 lines
1.2 KiB
Go
42 lines
1.2 KiB
Go
// Copyright 2012 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package icmp
|
|
|
|
// A MessageBody represents an ICMP message body.
|
|
type MessageBody interface {
|
|
// Len returns the length of ICMP message body.
|
|
// Proto must be either the ICMPv4 or ICMPv6 protocol number.
|
|
Len(proto int) int
|
|
|
|
// Marshal returns the binary encoding of ICMP message body.
|
|
// Proto must be either the ICMPv4 or ICMPv6 protocol number.
|
|
Marshal(proto int) ([]byte, error)
|
|
}
|
|
|
|
// A DefaultMessageBody represents the default message body.
|
|
type DefaultMessageBody struct {
|
|
Data []byte // data
|
|
}
|
|
|
|
// Len implements the Len method of MessageBody interface.
|
|
func (p *DefaultMessageBody) Len(proto int) int {
|
|
if p == nil {
|
|
return 0
|
|
}
|
|
return len(p.Data)
|
|
}
|
|
|
|
// Marshal implements the Marshal method of MessageBody interface.
|
|
func (p *DefaultMessageBody) Marshal(proto int) ([]byte, error) {
|
|
return p.Data, nil
|
|
}
|
|
|
|
// parseDefaultMessageBody parses b as an ICMP message body.
|
|
func parseDefaultMessageBody(proto int, b []byte) (MessageBody, error) {
|
|
p := &DefaultMessageBody{Data: make([]byte, len(b))}
|
|
copy(p.Data, b)
|
|
return p, nil
|
|
}
|