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55 lines
1.3 KiB
55 lines
1.3 KiB
// 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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