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dex/vendor/golang.org/x/net/ipv4/sockopt.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
// Sticky socket options
const (
ssoTOS = iota // header field for unicast packet
ssoTTL // header field for unicast packet
ssoMulticastTTL // header field for multicast packet
ssoMulticastInterface // outbound interface for multicast packet
ssoMulticastLoopback // loopback for multicast packet
ssoReceiveTTL // header field on received packet
ssoReceiveDst // header field on received packet
ssoReceiveInterface // inbound interface on received packet
ssoPacketInfo // incbound or outbound packet path
ssoHeaderPrepend // ipv4 header prepend
ssoStripHeader // strip ipv4 header
ssoICMPFilter // icmp filter
ssoJoinGroup // any-source multicast
ssoLeaveGroup // any-source multicast
ssoJoinSourceGroup // source-specific multicast
ssoLeaveSourceGroup // source-specific multicast
ssoBlockSourceGroup // any-source or source-specific multicast
ssoUnblockSourceGroup // any-source or source-specific multicast
ssoMax
)
// Sticky socket option value types
const (
ssoTypeByte = iota + 1
ssoTypeInt
ssoTypeInterface
ssoTypeICMPFilter
ssoTypeIPMreq
ssoTypeIPMreqn
ssoTypeGroupReq
ssoTypeGroupSourceReq
)
// A sockOpt represents a binding for sticky socket option.
type sockOpt struct {
name int // option name, must be equal or greater than 1
typ int // option value type, must be equal or greater than 1
}