github.com/hbdrawn/golang@v0.0.0-20141214014649-6b835209aba2/src/syscall/route_netbsd.go (about)

     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 NetBSD
     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 }