-
Notifications
You must be signed in to change notification settings - Fork 158
/
lld.go
90 lines (74 loc) · 2.26 KB
/
lld.go
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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
/*
* NETCAP - Traffic Analysis Framework
* Copyright (c) 2017 Philipp Mieden <dreadl0ck [at] protonmail [dot] ch>
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package types
import (
"encoding/hex"
"strings"
"github.com/prometheus/client_golang/prometheus"
)
var fieldsLLD = []string{
"Timestamp",
"ChassisID", // *LLDPChassisID
"PortID", // *LLDPPortID
"TTL", // int32
"Values", // []*LinkLayerDiscoveryValue
}
func (l LinkLayerDiscovery) CSVHeader() []string {
return filter(fieldsLLD)
}
func (l LinkLayerDiscovery) CSVRecord() []string {
values := make([]string, len(l.Values))
for i, v := range l.Values {
values[i] = v.ToString()
}
return filter([]string{
formatTimestamp(l.Timestamp),
l.ChassisID.ToString(), // *LLDPChassisID
l.PortID.ToString(), // *LLDPPortID
formatInt32(l.TTL), // int32
join(values...), // []*LinkLayerDiscoveryValue
})
}
func (l LinkLayerDiscovery) Time() string {
return l.Timestamp
}
func (l LLDPChassisID) ToString() string {
return join(formatInt32(l.Subtype), hex.EncodeToString(l.ID))
}
func (l LLDPPortID) ToString() string {
return join(formatInt32(l.Subtype), hex.EncodeToString(l.ID))
}
func (a LinkLayerDiscovery) JSON() (string, error) {
return jsonMarshaler.MarshalToString(&a)
}
var lldMetric = prometheus.NewCounterVec(
prometheus.CounterOpts{
Name: strings.ToLower(Type_NC_LinkLayerDiscovery.String()),
Help: Type_NC_LinkLayerDiscovery.String() + " audit records",
},
fieldsLLD[1:],
)
func init() {
prometheus.MustRegister(lldMetric)
}
func (a LinkLayerDiscovery) Inc() {
lldMetric.WithLabelValues(a.CSVRecord()[1:]...).Inc()
}
func (a *LinkLayerDiscovery) SetPacketContext(ctx *PacketContext) {}
// TODO
func (a LinkLayerDiscovery) Src() string {
return ""
}
func (a LinkLayerDiscovery) Dst() string {
return ""
}