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
|
// Copyright 2012 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 ipv4
// TOS returns the type-of-service field value for outgoing packets.
func (c *genericOpt) TOS() (int, error) {
if !c.ok() {
return 0, errInvalidConn
}
so, ok := sockOpts[ssoTOS]
if !ok {
return 0, errNotImplemented
}
return so.GetInt(c.Conn)
}
// SetTOS sets the type-of-service field value for future outgoing
// packets.
func (c *genericOpt) SetTOS(tos int) error {
if !c.ok() {
return errInvalidConn
}
so, ok := sockOpts[ssoTOS]
if !ok {
return errNotImplemented
}
return so.SetInt(c.Conn, tos)
}
// TTL returns the time-to-live field value for outgoing packets.
func (c *genericOpt) TTL() (int, error) {
if !c.ok() {
return 0, errInvalidConn
}
so, ok := sockOpts[ssoTTL]
if !ok {
return 0, errNotImplemented
}
return so.GetInt(c.Conn)
}
// SetTTL sets the time-to-live field value for future outgoing
// packets.
func (c *genericOpt) SetTTL(ttl int) error {
if !c.ok() {
return errInvalidConn
}
so, ok := sockOpts[ssoTTL]
if !ok {
return errNotImplemented
}
return so.SetInt(c.Conn, ttl)
}
|
