26d0083faf
commit a1a37d335a8e89ac89d85c00c8585d3fc02e064a
Author: Josh Baker <joshbaker77@gmail.com>
Date: Thu Oct 5 07:36:54 2017 -0700
use symlink instead of copy
commit 96399c2c92620f633611c778e5473200bfd48d41
Author: Josh Baker <joshbaker77@gmail.com>
Date: Thu Oct 5 07:19:26 2017 -0700
use dep for vendoring
59 lines
1.3 KiB
Go
59 lines
1.3 KiB
Go
// 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.
|
|
|
|
package ipv6
|
|
|
|
import "syscall"
|
|
|
|
// TrafficClass returns the traffic class field value for outgoing
|
|
// packets.
|
|
func (c *genericOpt) TrafficClass() (int, error) {
|
|
if !c.ok() {
|
|
return 0, syscall.EINVAL
|
|
}
|
|
so, ok := sockOpts[ssoTrafficClass]
|
|
if !ok {
|
|
return 0, errOpNoSupport
|
|
}
|
|
return so.GetInt(c.Conn)
|
|
}
|
|
|
|
// SetTrafficClass sets the traffic class field value for future
|
|
// outgoing packets.
|
|
func (c *genericOpt) SetTrafficClass(tclass int) error {
|
|
if !c.ok() {
|
|
return syscall.EINVAL
|
|
}
|
|
so, ok := sockOpts[ssoTrafficClass]
|
|
if !ok {
|
|
return errOpNoSupport
|
|
}
|
|
return so.SetInt(c.Conn, tclass)
|
|
}
|
|
|
|
// HopLimit returns the hop limit field value for outgoing packets.
|
|
func (c *genericOpt) HopLimit() (int, error) {
|
|
if !c.ok() {
|
|
return 0, syscall.EINVAL
|
|
}
|
|
so, ok := sockOpts[ssoHopLimit]
|
|
if !ok {
|
|
return 0, errOpNoSupport
|
|
}
|
|
return so.GetInt(c.Conn)
|
|
}
|
|
|
|
// SetHopLimit sets the hop limit field value for future outgoing
|
|
// packets.
|
|
func (c *genericOpt) SetHopLimit(hoplim int) error {
|
|
if !c.ok() {
|
|
return syscall.EINVAL
|
|
}
|
|
so, ok := sockOpts[ssoHopLimit]
|
|
if !ok {
|
|
return errOpNoSupport
|
|
}
|
|
return so.SetInt(c.Conn, hoplim)
|
|
}
|