1 // Copyright 2015 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 // +build netbsd openbsd 6 7 package syscall_test 8 9 import ( 10 "fmt" 11 "syscall" 12 ) 13 14 func parseRoutingMessageHeader(m syscall.RoutingMessage) (addrFlags, error) { 15 switch m := m.(type) { 16 case *syscall.RouteMessage: 17 errno := syscall.Errno(uintptr(m.Header.Errno)) 18 if errno != 0 { 19 return 0, fmt.Errorf("%T: %v, %#v", m, errno, m.Header) 20 } 21 return addrFlags(m.Header.Addrs), nil 22 case *syscall.InterfaceMessage: 23 return addrFlags(m.Header.Addrs), nil 24 case *syscall.InterfaceAddrMessage: 25 return addrFlags(m.Header.Addrs), nil 26 default: 27 panic(fmt.Sprintf("unknown routing message type: %T", m)) 28 } 29 } 30 31 func parseRoutingSockaddrs(m syscall.RoutingMessage) ([]syscall.Sockaddr, error) { 32 switch m := m.(type) { 33 case *syscall.RouteMessage: 34 sas, err := syscall.ParseRoutingSockaddr(m) 35 if err != nil { 36 return nil, fmt.Errorf("%T: %v, %#v", m, err, m.Data) 37 } 38 if err = sockaddrs(sas).match(addrFlags(m.Header.Addrs)); err != nil { 39 return nil, err 40 } 41 return sas, nil 42 case *syscall.InterfaceMessage: 43 sas, err := syscall.ParseRoutingSockaddr(m) 44 if err != nil { 45 return nil, fmt.Errorf("%T: %v, %#v", m, err, m.Data) 46 } 47 if err = sockaddrs(sas).match(addrFlags(m.Header.Addrs)); err != nil { 48 return nil, err 49 } 50 return sas, nil 51 case *syscall.InterfaceAddrMessage: 52 sas, err := syscall.ParseRoutingSockaddr(m) 53 if err != nil { 54 return nil, fmt.Errorf("%T: %v, %#v", m, err, m.Data) 55 } 56 if err = sockaddrs(sas).match(addrFlags(m.Header.Addrs)); err != nil { 57 return nil, err 58 } 59 return sas, nil 60 default: 61 panic(fmt.Sprintf("unknown routing message type: %T", m)) 62 } 63 } 64
