Subversion Repositories openrisc

// Copyright 2011 The Go Authors.  All rights reserved.

// Use of this source code is governed by a BSD-style

// license that can be found in the LICENSE file.

// Routing sockets and messages for OpenBSD

package syscall

import (

        "unsafe"

)

func (any *anyMessage) toRoutingMessage(buf []byte) RoutingMessage {

        switch any.Type {

        case RTM_ADD, RTM_DELETE, RTM_CHANGE, RTM_GET, RTM_LOSING, RTM_REDIRECT, RTM_MISS, RTM_LOCK, RTM_RESOLVE:

                p := (*RouteMessage)(unsafe.Pointer(any))

                rtm := &RouteMessage{}

                rtm.Header = p.Header

                rtm.Data = buf[SizeofRtMsghdr:any.Msglen]

                return rtm

        case RTM_IFINFO:

                p := (*InterfaceMessage)(unsafe.Pointer(any))

                ifm := &InterfaceMessage{}

                ifm.Header = p.Header

                ifm.Data = buf[SizeofIfMsghdr:any.Msglen]

                return ifm

        case RTM_NEWADDR, RTM_DELADDR:

                p := (*InterfaceAddrMessage)(unsafe.Pointer(any))

                ifam := &InterfaceAddrMessage{}

                ifam.Header = p.Header

                ifam.Data = buf[SizeofIfaMsghdr:any.Msglen]

                return ifam

        }

        return nil

}