56 lines
1.3 KiB
Go
56 lines
1.3 KiB
Go
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// Copyright 2013 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build darwin dragonfly freebsd linux netbsd openbsd solaris
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package ipv6
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import "golang.org/x/net/internal/socket"
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func setControlMessage(c *socket.Conn, opt *rawOpt, cf ControlFlags, on bool) error {
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opt.Lock()
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defer opt.Unlock()
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if so, ok := sockOpts[ssoReceiveTrafficClass]; ok && cf&FlagTrafficClass != 0 {
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if err := so.SetInt(c, boolint(on)); err != nil {
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return err
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}
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if on {
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opt.set(FlagTrafficClass)
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} else {
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opt.clear(FlagTrafficClass)
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}
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}
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if so, ok := sockOpts[ssoReceiveHopLimit]; ok && cf&FlagHopLimit != 0 {
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if err := so.SetInt(c, boolint(on)); err != nil {
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return err
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}
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if on {
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opt.set(FlagHopLimit)
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} else {
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opt.clear(FlagHopLimit)
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}
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}
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if so, ok := sockOpts[ssoReceivePacketInfo]; ok && cf&flagPacketInfo != 0 {
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if err := so.SetInt(c, boolint(on)); err != nil {
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return err
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}
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if on {
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opt.set(cf & flagPacketInfo)
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} else {
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opt.clear(cf & flagPacketInfo)
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}
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}
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if so, ok := sockOpts[ssoReceivePathMTU]; ok && cf&FlagPathMTU != 0 {
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if err := so.SetInt(c, boolint(on)); err != nil {
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return err
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}
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if on {
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opt.set(FlagPathMTU)
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} else {
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opt.clear(FlagPathMTU)
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}
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}
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return nil
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}
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