sys_windows.go (1607B)
1 // Copyright 2014 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 ipv4 6 7 import ( 8 "golang.org/x/net/internal/iana" 9 "golang.org/x/net/internal/socket" 10 11 "golang.org/x/sys/windows" 12 ) 13 14 const ( 15 sizeofIPMreq = 0x8 16 sizeofIPMreqSource = 0xc 17 ) 18 19 type ipMreq struct { 20 Multiaddr [4]byte 21 Interface [4]byte 22 } 23 24 type ipMreqSource struct { 25 Multiaddr [4]byte 26 Sourceaddr [4]byte 27 Interface [4]byte 28 } 29 30 // See http://msdn.microsoft.com/en-us/library/windows/desktop/ms738586(v=vs.85).aspx 31 var ( 32 ctlOpts = [ctlMax]ctlOpt{} 33 34 sockOpts = map[int]*sockOpt{ 35 ssoTOS: {Option: socket.Option{Level: iana.ProtocolIP, Name: windows.IP_TOS, Len: 4}}, 36 ssoTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: windows.IP_TTL, Len: 4}}, 37 ssoMulticastTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: windows.IP_MULTICAST_TTL, Len: 4}}, 38 ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: windows.IP_MULTICAST_IF, Len: 4}}, 39 ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIP, Name: windows.IP_MULTICAST_LOOP, Len: 4}}, 40 ssoHeaderPrepend: {Option: socket.Option{Level: iana.ProtocolIP, Name: windows.IP_HDRINCL, Len: 4}}, 41 ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: windows.IP_ADD_MEMBERSHIP, Len: sizeofIPMreq}, typ: ssoTypeIPMreq}, 42 ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: windows.IP_DROP_MEMBERSHIP, Len: sizeofIPMreq}, typ: ssoTypeIPMreq}, 43 } 44 )