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 package syscall 6 7 import "unsafe" 8 9 func (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. 33 type InterfaceAnnounceMessage struct { 34 Header IfAnnounceMsghdr 35 } 36 37 func (m *InterfaceAnnounceMessage) sockaddr() ([]Sockaddr, error) { return nil, nil } 38
