mirror of
https://github.com/rclone/rclone.git
synced 2024-12-12 18:21:57 +01:00
6427029c4e
* Update all dependencies * Remove all `[[constraint]]` from Gopkg.toml * Add in the minimum number of `[[override]]` to build * Remove go get of github.com/inconshreveable/mousetrap as it is vendored * Update docs with new policy on constraints
42 lines
1.1 KiB
Go
42 lines
1.1 KiB
Go
// Copyright 2014 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 DstUnreach represents an ICMP destination unreachable message
|
|
// body.
|
|
type DstUnreach struct {
|
|
Data []byte // data, known as original datagram field
|
|
Extensions []Extension // extensions
|
|
}
|
|
|
|
// Len implements the Len method of MessageBody interface.
|
|
func (p *DstUnreach) Len(proto int) int {
|
|
if p == nil {
|
|
return 0
|
|
}
|
|
l, _ := multipartMessageBodyDataLen(proto, true, p.Data, p.Extensions)
|
|
return 4 + l
|
|
}
|
|
|
|
// Marshal implements the Marshal method of MessageBody interface.
|
|
func (p *DstUnreach) Marshal(proto int) ([]byte, error) {
|
|
return marshalMultipartMessageBody(proto, true, p.Data, p.Extensions)
|
|
}
|
|
|
|
// parseDstUnreach parses b as an ICMP destination unreachable message
|
|
// body.
|
|
func parseDstUnreach(proto int, typ Type, b []byte) (MessageBody, error) {
|
|
if len(b) < 4 {
|
|
return nil, errMessageTooShort
|
|
}
|
|
p := &DstUnreach{}
|
|
var err error
|
|
p.Data, p.Extensions, err = parseMultipartMessageBody(proto, typ, b)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return p, nil
|
|
}
|