diff options
Diffstat (limited to 'vendor/golang.org/x/net/icmp/dstunreach.go')
-rw-r--r-- | vendor/golang.org/x/net/icmp/dstunreach.go | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/icmp/dstunreach.go b/vendor/golang.org/x/net/icmp/dstunreach.go new file mode 100644 index 0000000..75db991 --- /dev/null +++ b/vendor/golang.org/x/net/icmp/dstunreach.go @@ -0,0 +1,41 @@ +// 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, 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, p.Data, p.Extensions) +} + +// parseDstUnreach parses b as an ICMP destination unreachable message +// body. +func parseDstUnreach(proto int, b []byte) (MessageBody, error) { + if len(b) < 4 { + return nil, errMessageTooShort + } + p := &DstUnreach{} + var err error + p.Data, p.Extensions, err = parseMultipartMessageBody(proto, b) + if err != nil { + return nil, err + } + return p, nil +} |