libgo/go/syscall/route_openbsd.go

   1 // Copyright 2011 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 // Routing sockets and messages for OpenBSD
   6
   7 package syscall
   8
   9 import "unsafe"
  10
  11 func (any *anyMessage) toRoutingMessage(b []byte) RoutingMessage {
  12         switch any.Type {
  13         case RTM_ADD, RTM_DELETE, RTM_CHANGE, RTM_GET, RTM_LOSING, RTM_REDIRECT, RTM_MISS, RTM_LOCK, RTM_RESOLVE:
  14                 p := (*RouteMessage)(unsafe.Pointer(any))
  15                 return &RouteMessage{Header: p.Header, Data: b[SizeofRtMsghdr:any.Msglen]}
  16         case RTM_IFINFO:
  17                 p := (*InterfaceMessage)(unsafe.Pointer(any))
  18                 return &InterfaceMessage{Header: p.Header, Data: b[SizeofIfMsghdr:any.Msglen]}
  19         case RTM_IFANNOUNCE:
  20                 p := (*InterfaceAnnounceMessage)(unsafe.Pointer(any))
  21                 return &InterfaceAnnounceMessage{Header: p.Header}
  22         case RTM_NEWADDR, RTM_DELADDR:
  23                 p := (*InterfaceAddrMessage)(unsafe.Pointer(any))
  24                 return &InterfaceAddrMessage{Header: p.Header, Data: b[SizeofIfaMsghdr:any.Msglen]}
  25         }
  26         return nil
  27 }
  28
  29 // InterfaceAnnounceMessage represents a routing message containing
  30 // network interface arrival and departure information.
  31 type InterfaceAnnounceMessage struct {
  32         Header IfAnnounceMsghdr
  33 }
  34
  35 func (m *InterfaceAnnounceMessage) sockaddr() (sas []Sockaddr) { return nil }