vendor/golang.org/x/net/route/interface_announce.go

   1 // Copyright 2016 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 // +build dragonfly freebsd netbsd
   6
   7 package route
   8
   9 func (w *wireFormat) parseInterfaceAnnounceMessage(_ RIBType, b []byte) (Message, error) {
  10         if len(b) < w.bodyOff {
  11                 return nil, errMessageTooShort
  12         }
  13         l := int(nativeEndian.Uint16(b[:2]))
  14         if len(b) < l {
  15                 return nil, errInvalidMessage
  16         }
  17         m := &InterfaceAnnounceMessage{
  18                 Version: int(b[2]),
  19                 Type:    int(b[3]),
  20                 Index:   int(nativeEndian.Uint16(b[4:6])),
  21                 What:    int(nativeEndian.Uint16(b[22:24])),
  22                 raw:     b[:l],
  23         }
  24         for i := 0; i < 16; i++ {
  25                 if b[6+i] != 0 {
  26                         continue
  27                 }
  28                 m.Name = string(b[6 : 6+i])
  29                 break
  30         }
  31         return m, nil
  32 }