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  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_rtlabel for now.
    14  		p.Header.Addrs &= RTA_DST | RTA_GATEWAY | RTA_NETMASK | RTA_GENMASK | RTA_IFA | RTA_IFP | RTA_BRD | RTA_AUTHOR | RTA_SRC | RTA_SRCMASK
    15  		return &RouteMessage{Header: p.Header, Data: b[p.Header.Hdrlen:any.Msglen]}
    16  	case RTM_IFINFO:
    17  		p := (*InterfaceMessage)(unsafe.Pointer(any))
    18  		return &InterfaceMessage{Header: p.Header, Data: b[p.Header.Hdrlen: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[p.Header.Hdrlen: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
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