vendor.golang.org.x.net.ipv6.genericopt.go Maven / Gradle / Ivy
// 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
// TrafficClass returns the traffic class field value for outgoing
// packets.
func (c *genericOpt) TrafficClass() (int, error) {
if !c.ok() {
return 0, errInvalidConn
}
so, ok := sockOpts[ssoTrafficClass]
if !ok {
return 0, errNotImplemented
}
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 errInvalidConn
}
so, ok := sockOpts[ssoTrafficClass]
if !ok {
return errNotImplemented
}
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, errInvalidConn
}
so, ok := sockOpts[ssoHopLimit]
if !ok {
return 0, errNotImplemented
}
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 errInvalidConn
}
so, ok := sockOpts[ssoHopLimit]
if !ok {
return errNotImplemented
}
return so.SetInt(c.Conn, hoplim)
}