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dex/vendor/golang.org/x/net/ipv4/sys_windows.go

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2016-07-25 20:00:28 +00:00
// Copyright 2014 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 ipv4
const (
// See ws2tcpip.h.
sysIP_OPTIONS = 0x1
sysIP_HDRINCL = 0x2
sysIP_TOS = 0x3
sysIP_TTL = 0x4
sysIP_MULTICAST_IF = 0x9
sysIP_MULTICAST_TTL = 0xa
sysIP_MULTICAST_LOOP = 0xb
sysIP_ADD_MEMBERSHIP = 0xc
sysIP_DROP_MEMBERSHIP = 0xd
sysIP_DONTFRAGMENT = 0xe
sysIP_ADD_SOURCE_MEMBERSHIP = 0xf
sysIP_DROP_SOURCE_MEMBERSHIP = 0x10
sysIP_PKTINFO = 0x13
sysSizeofInetPktinfo = 0x8
sysSizeofIPMreq = 0x8
sysSizeofIPMreqSource = 0xc
)
type sysInetPktinfo struct {
Addr [4]byte
Ifindex int32
}
type sysIPMreq struct {
Multiaddr [4]byte
Interface [4]byte
}
type sysIPMreqSource struct {
Multiaddr [4]byte
Sourceaddr [4]byte
Interface [4]byte
}
// See http://msdn.microsoft.com/en-us/library/windows/desktop/ms738586(v=vs.85).aspx
var (
ctlOpts = [ctlMax]ctlOpt{}
sockOpts = [ssoMax]sockOpt{
ssoTOS: {sysIP_TOS, ssoTypeInt},
ssoTTL: {sysIP_TTL, ssoTypeInt},
ssoMulticastTTL: {sysIP_MULTICAST_TTL, ssoTypeInt},
ssoMulticastInterface: {sysIP_MULTICAST_IF, ssoTypeInterface},
ssoMulticastLoopback: {sysIP_MULTICAST_LOOP, ssoTypeInt},
ssoJoinGroup: {sysIP_ADD_MEMBERSHIP, ssoTypeIPMreq},
ssoLeaveGroup: {sysIP_DROP_MEMBERSHIP, ssoTypeIPMreq},
}
)
func (pi *sysInetPktinfo) setIfindex(i int) {
pi.Ifindex = int32(i)
}