github.com/hxx258456/ccgo@v0.0.5-0.20230213014102-48b35f46f66f/net/ipv6/sys_windows.go (about) 1 // Copyright 2013 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 ipv6 6 7 import ( 8 "net" 9 "syscall" 10 11 "github.com/hxx258456/ccgo/net/internal/iana" 12 "github.com/hxx258456/ccgo/net/internal/socket" 13 14 "golang.org/x/sys/windows" 15 ) 16 17 const ( 18 sizeofSockaddrInet6 = 0x1c 19 20 sizeofIPv6Mreq = 0x14 21 sizeofIPv6Mtuinfo = 0x20 22 sizeofICMPv6Filter = 0 23 ) 24 25 type sockaddrInet6 struct { 26 Family uint16 27 Port uint16 28 Flowinfo uint32 29 Addr [16]byte /* in6_addr */ 30 Scope_id uint32 31 } 32 33 type ipv6Mreq struct { 34 Multiaddr [16]byte /* in6_addr */ 35 Interface uint32 36 } 37 38 type ipv6Mtuinfo struct { 39 Addr sockaddrInet6 40 Mtu uint32 41 } 42 43 type icmpv6Filter struct { 44 // TODO(mikio): implement this 45 } 46 47 var ( 48 ctlOpts = [ctlMax]ctlOpt{} 49 50 sockOpts = map[int]*sockOpt{ 51 ssoHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: windows.IPV6_UNICAST_HOPS, Len: 4}}, 52 ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: windows.IPV6_MULTICAST_IF, Len: 4}}, 53 ssoMulticastHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: windows.IPV6_MULTICAST_HOPS, Len: 4}}, 54 ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: windows.IPV6_MULTICAST_LOOP, Len: 4}}, 55 ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: windows.IPV6_JOIN_GROUP, Len: sizeofIPv6Mreq}, typ: ssoTypeIPMreq}, 56 ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: windows.IPV6_LEAVE_GROUP, Len: sizeofIPv6Mreq}, typ: ssoTypeIPMreq}, 57 } 58 ) 59 60 func (sa *sockaddrInet6) setSockaddr(ip net.IP, i int) { 61 sa.Family = syscall.AF_INET6 62 copy(sa.Addr[:], ip) 63 sa.Scope_id = uint32(i) 64 } 65 66 func (mreq *ipv6Mreq) setIfindex(i int) { 67 mreq.Interface = uint32(i) 68 }