-
Notifications
You must be signed in to change notification settings - Fork 160
/
modbustcp.go
69 lines (58 loc) · 1.85 KB
/
modbustcp.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
/*
* 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 fieldsModbusTCP = []string{
"Timestamp",
"TransactionIdentifier", // int32
"ProtocolIdentifier", // int32
"Length", // int32
"UnitIdentifier", // int32
"Payload", // []byte
}
func (a ModbusTCP) CSVHeader() []string {
return filter(fieldsModbusTCP)
}
func (a ModbusTCP) CSVRecord() []string {
return filter([]string{
formatTimestamp(a.Timestamp),
formatInt32(a.TransactionIdentifier), // int32
formatInt32(a.ProtocolIdentifier), // int32
formatInt32(a.Length), // int32
formatInt32(a.UnitIdentifier), // int32
hex.EncodeToString(a.Payload),
})
}
func (a ModbusTCP) NetcapTimestamp() string {
return a.Timestamp
}
func (a ModbusTCP) JSON() (string, error) {
return jsonMarshaler.MarshalToString(&a)
}
var modbusTcpMetric = prometheus.NewCounterVec(
prometheus.CounterOpts{
Name: strings.ToLower(Type_NC_ModbusTCP.String()),
Help: Type_NC_ModbusTCP.String() + " audit records",
},
fieldsModbusTCP[1:],
)
func init() {
prometheus.MustRegister(modbusTcpMetric)
}
func (a ModbusTCP) Inc() {
modbusTcpMetric.WithLabelValues(a.CSVRecord()[1:]...).Inc()
}