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// Copyright 2013 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.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
package ipv6
import "golang.org/x/net/internal/socket"
func setControlMessage(c *socket.Conn, opt *rawOpt, cf ControlFlags, on bool) error {
opt.Lock()
defer opt.Unlock()
if so, ok := sockOpts[ssoReceiveTrafficClass]; ok && cf&FlagTrafficClass != 0 {
if err := so.SetInt(c, boolint(on)); err != nil {
return err
}
if on {
opt.set(FlagTrafficClass)
} else {
opt.clear(FlagTrafficClass)
}
}
if so, ok := sockOpts[ssoReceiveHopLimit]; ok && cf&FlagHopLimit != 0 {
if err := so.SetInt(c, boolint(on)); err != nil {
return err
}
if on {
opt.set(FlagHopLimit)
} else {
opt.clear(FlagHopLimit)
}
}
if so, ok := sockOpts[ssoReceivePacketInfo]; ok && cf&flagPacketInfo != 0 {
if err := so.SetInt(c, boolint(on)); err != nil {
return err
}
if on {
opt.set(cf & flagPacketInfo)
} else {
opt.clear(cf & flagPacketInfo)
}
}
if so, ok := sockOpts[ssoReceivePathMTU]; ok && cf&FlagPathMTU != 0 {
if err := so.SetInt(c, boolint(on)); err != nil {
return err
}
if on {
opt.set(FlagPathMTU)
} else {
opt.clear(FlagPathMTU)
}
}
return nil
}
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