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
5package syscall
6
7import "unsafe"
8
9func (any *anyMessage) toRoutingMessage(b []byte) RoutingMessage {
10	switch any.Type {
11	case RTM_ADD, RTM_DELETE, RTM_CHANGE, RTM_GET, RTM_LOSING, RTM_REDIRECT, RTM_MISS, RTM_LOCK, RTM_RESOLVE:
12		p := (*RouteMessage)(unsafe.Pointer(any))
13		// We don't support sockaddr_mpls for now.
14		p.Header.Addrs &= RTA_DST | RTA_GATEWAY | RTA_NETMASK | RTA_GENMASK | RTA_IFA | RTA_IFP | RTA_BRD | RTA_AUTHOR
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//
32// Deprecated: Use golang.org/x/net/route instead.
33type InterfaceAnnounceMessage struct {
34	Header IfAnnounceMsghdr
35}
36
37func (m *InterfaceAnnounceMessage) sockaddr() ([]Sockaddr, error) { return nil, nil }
38