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-rw-r--r--vendor/golang.org/x/net/ipv4/sockopt.go44
1 files changed, 44 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/ipv4/sockopt.go b/vendor/golang.org/x/net/ipv4/sockopt.go
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+++ b/vendor/golang.org/x/net/ipv4/sockopt.go
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+// 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
+
+import "golang.org/x/net/internal/socket"
+
+// 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
+ ssoAttachFilter // attach BPF for filtering inbound traffic
+)
+
+// Sticky socket option value types
+const (
+ ssoTypeIPMreq = iota + 1
+ ssoTypeIPMreqn
+ ssoTypeGroupReq
+ ssoTypeGroupSourceReq
+)
+
+// A sockOpt represents a binding for sticky socket option.
+type sockOpt struct {
+ socket.Option
+ typ int // hint for option value type; optional
+}