// 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. package syscall import "unsafe" func init() { conf, _ := Sysctl("kern.conftxt") for i, j := 0, 0; j < len(conf); j++ { if conf[j] != '\n' { continue } s := conf[i:j] i = j + 1 if len(s) > len("machine") && s[:len("machine")] == "machine" { s = s[len("machine"):] for k := 0; k < len(s); k++ { if s[k] == ' ' || s[k] == '\t' { s = s[1:] } break } freebsdConfArch = s break } } } func (any *anyMessage) toRoutingMessage(b []byte) RoutingMessage { switch any.Type { case RTM_ADD, RTM_DELETE, RTM_CHANGE, RTM_GET, RTM_LOSING, RTM_REDIRECT, RTM_MISS, RTM_LOCK, RTM_RESOLVE: return any.parseRouteMessage(b) case RTM_IFINFO: return any.parseInterfaceMessage(b) case RTM_IFANNOUNCE: p := (*InterfaceAnnounceMessage)(unsafe.Pointer(any)) return &InterfaceAnnounceMessage{Header: p.Header} case RTM_NEWADDR, RTM_DELADDR: p := (*InterfaceAddrMessage)(unsafe.Pointer(any)) return &InterfaceAddrMessage{Header: p.Header, Data: b[SizeofIfaMsghdr:any.Msglen]} case RTM_NEWMADDR, RTM_DELMADDR: p := (*InterfaceMulticastAddrMessage)(unsafe.Pointer(any)) return &InterfaceMulticastAddrMessage{Header: p.Header, Data: b[SizeofIfmaMsghdr:any.Msglen]} } return nil } // InterfaceAnnounceMessage represents a routing message containing // network interface arrival and departure information. // // Deprecated: Use golang.org/x/net/route instead. type InterfaceAnnounceMessage struct { Header IfAnnounceMsghdr } func (m *InterfaceAnnounceMessage) sockaddr() ([]Sockaddr, error) { return nil, nil } // InterfaceMulticastAddrMessage represents a routing message // containing network interface address entries. // // Deprecated: Use golang.org/x/net/route instead. type InterfaceMulticastAddrMessage struct { Header IfmaMsghdr Data []byte } func (m *InterfaceMulticastAddrMessage) sockaddr() ([]Sockaddr, error) { var sas [RTAX_MAX]Sockaddr b := m.Data[:] for i := uint(0); i < RTAX_MAX && len(b) >= minRoutingSockaddrLen; i++ { if m.Header.Addrs&(1<