/usr/share/gocode/src/code.google.com/p/go.net/ipv6/genericopt_posix.go is in golang-go.net-dev 0.0~hg20131201-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | // 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 freebsd linux netbsd openbsd windows
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
}
fd, err := c.sysfd()
if err != nil {
return 0, err
}
return ipv6TrafficClass(fd)
}
// SetTrafficClass sets the traffic class field value for future
// outgoing packets.
func (c *genericOpt) SetTrafficClass(tclass int) error {
if !c.ok() {
return syscall.EINVAL
}
fd, err := c.sysfd()
if err != nil {
return err
}
return setIPv6TrafficClass(fd, tclass)
}
// HopLimit returns the hop limit field value for outgoing packets.
func (c *genericOpt) HopLimit() (int, error) {
if !c.ok() {
return 0, syscall.EINVAL
}
fd, err := c.sysfd()
if err != nil {
return 0, err
}
return ipv6HopLimit(fd)
}
// SetHopLimit sets the hop limit field value for future outgoing
// packets.
func (c *genericOpt) SetHopLimit(hoplim int) error {
if !c.ok() {
return syscall.EINVAL
}
fd, err := c.sysfd()
if err != nil {
return err
}
return setIPv6HopLimit(fd, hoplim)
}
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