tile38/vendor/golang.org/x/net/icmp/messagebody.go
Josh Baker 26d0083faf Update vendoring to use golang/dep
commit a1a37d335a8e89ac89d85c00c8585d3fc02e064a
Author: Josh Baker <joshbaker77@gmail.com>
Date:   Thu Oct 5 07:36:54 2017 -0700

    use symlink instead of copy

commit 96399c2c92620f633611c778e5473200bfd48d41
Author: Josh Baker <joshbaker77@gmail.com>
Date:   Thu Oct 5 07:19:26 2017 -0700

    use dep for vendoring
2017-10-05 07:40:19 -07:00

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
}