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56 lines
1.3 KiB
56 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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package ipv6
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// TrafficClass returns the traffic class field value for outgoing
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// packets.
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func (c *genericOpt) TrafficClass() (int, error) {
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if !c.ok() {
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return 0, errInvalidConn
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}
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so, ok := sockOpts[ssoTrafficClass]
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if !ok {
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return 0, errNotImplemented
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}
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return so.GetInt(c.Conn)
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}
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// SetTrafficClass sets the traffic class field value for future
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// outgoing packets.
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func (c *genericOpt) SetTrafficClass(tclass int) error {
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if !c.ok() {
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return errInvalidConn
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}
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so, ok := sockOpts[ssoTrafficClass]
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if !ok {
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return errNotImplemented
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}
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return so.SetInt(c.Conn, tclass)
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}
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// HopLimit returns the hop limit field value for outgoing packets.
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func (c *genericOpt) HopLimit() (int, error) {
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if !c.ok() {
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return 0, errInvalidConn
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}
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so, ok := sockOpts[ssoHopLimit]
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if !ok {
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return 0, errNotImplemented
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}
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return so.GetInt(c.Conn)
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}
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// SetHopLimit sets the hop limit field value for future outgoing
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// packets.
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func (c *genericOpt) SetHopLimit(hoplim int) error {
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if !c.ok() {
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return errInvalidConn
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}
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so, ok := sockOpts[ssoHopLimit]
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if !ok {
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return errNotImplemented
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}
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return so.SetInt(c.Conn, hoplim)
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}
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