1 // Copyright 2016 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
7 func (typ RIBType
) parseable() bool {
9 case sysNET_RT_STAT
, sysNET_RT_TRASH
:
16 // A RouteMetrics represents route metrics.
17 type RouteMetrics
struct {
18 PathMTU
int // path maximum transmission unit
21 // SysType implements the SysType method of Sys interface.
22 func (rmx
*RouteMetrics
) SysType() SysType
{ return SysMetrics
}
24 // Sys implements the Sys method of Message interface.
25 func (m
*RouteMessage
) Sys() []Sys
{
28 PathMTU
: int(nativeEndian
.Uint32(m
.raw
[m
.extOff
+4 : m
.extOff
+8])),
33 // A InterfaceMetrics represents interface metrics.
34 type InterfaceMetrics
struct {
35 Type
int // interface type
36 MTU
int // maximum transmission unit
39 // SysType implements the SysType method of Sys interface.
40 func (imx
*InterfaceMetrics
) SysType() SysType
{ return SysMetrics
}
42 // Sys implements the Sys method of Message interface.
43 func (m
*InterfaceMessage
) Sys() []Sys
{
46 Type
: int(m
.raw
[m
.extOff
]),
47 MTU
: int(nativeEndian
.Uint32(m
.raw
[m
.extOff
+8 : m
.extOff
+12])),
52 func probeRoutingStack() (int, map[int]*wireFormat
) {
53 rtm
:= &wireFormat
{extOff
: 36, bodyOff
: sizeofRtMsghdrDarwin15
}
54 rtm
.parse
= rtm
.parseRouteMessage
55 rtm2
:= &wireFormat
{extOff
: 36, bodyOff
: sizeofRtMsghdr2Darwin15
}
56 rtm2
.parse
= rtm2
.parseRouteMessage
57 ifm
:= &wireFormat
{extOff
: 16, bodyOff
: sizeofIfMsghdrDarwin15
}
58 ifm
.parse
= ifm
.parseInterfaceMessage
59 ifm2
:= &wireFormat
{extOff
: 32, bodyOff
: sizeofIfMsghdr2Darwin15
}
60 ifm2
.parse
= ifm2
.parseInterfaceMessage
61 ifam
:= &wireFormat
{extOff
: sizeofIfaMsghdrDarwin15
, bodyOff
: sizeofIfaMsghdrDarwin15
}
62 ifam
.parse
= ifam
.parseInterfaceAddrMessage
63 ifmam
:= &wireFormat
{extOff
: sizeofIfmaMsghdrDarwin15
, bodyOff
: sizeofIfmaMsghdrDarwin15
}
64 ifmam
.parse
= ifmam
.parseInterfaceMulticastAddrMessage
65 ifmam2
:= &wireFormat
{extOff
: sizeofIfmaMsghdr2Darwin15
, bodyOff
: sizeofIfmaMsghdr2Darwin15
}
66 ifmam2
.parse
= ifmam2
.parseInterfaceMulticastAddrMessage
67 // Darwin kernels require 32-bit aligned access to routing facilities.
68 return 4, map[int]*wireFormat
{
81 sysRTM_NEWMADDR
: ifmam
,
82 sysRTM_DELMADDR
: ifmam
,
84 sysRTM_NEWMADDR2
: ifmam2
,