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sip.go
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sip.go
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/*
* 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 (
"strconv"
"strings"
"github.com/prometheus/client_golang/prometheus"
)
var fieldsSIP = []string{
"Timestamp",
"Version",
"Method",
"Headers",
"IsResponse",
"ResponseCode",
"ResponseStatus",
"SrcIP",
"DstIP",
"SrcPort",
"DstPort",
}
func (s SIP) CSVHeader() []string {
return filter(fieldsSIP)
}
func (s SIP) CSVRecord() []string {
// prevent accessing nil pointer
if s.Context == nil {
s.Context = &PacketContext{}
}
return filter([]string{
formatTimestamp(s.Timestamp),
formatInt32(s.Version), // int32 `protobuf:"varint,2,opt,name=Version,proto3" json:"Version,omitempty"`
formatInt32(s.Method), // int32 `protobuf:"varint,3,opt,name=Method,proto3" json:"Method,omitempty"`
join(s.Headers...), // []string `protobuf:"bytes,4,rep,name=Headers,proto3" json:"Headers,omitempty"`
strconv.FormatBool(s.IsResponse), // bool `protobuf:"varint,5,opt,name=IsResponse,proto3" json:"IsResponse,omitempty"`
formatInt32(s.ResponseCode), // int32 `protobuf:"varint,6,opt,name=ResponseCode,proto3" json:"ResponseCode,omitempty"`
s.ResponseStatus, // string `protobuf
s.Context.SrcIP,
s.Context.DstIP,
s.Context.SrcPort,
s.Context.DstPort,
})
}
func (s SIP) Time() string {
return s.Timestamp
}
func (u SIP) JSON() (string, error) {
return jsonMarshaler.MarshalToString(&u)
}
var sipMetric = prometheus.NewCounterVec(
prometheus.CounterOpts{
Name: strings.ToLower(Type_NC_SIP.String()),
Help: Type_NC_SIP.String() + " audit records",
},
fieldsSIP[1:],
)
func init() {
prometheus.MustRegister(sipMetric)
}
func (a SIP) Inc() {
sipMetric.WithLabelValues(a.CSVRecord()[1:]...).Inc()
}
func (a *SIP) SetPacketContext(ctx *PacketContext) {
a.Context = ctx
}
func (a SIP) Src() string {
if a.Context != nil {
return a.Context.SrcIP
}
return ""
}
func (a SIP) Dst() string {
if a.Context != nil {
return a.Context.DstIP
}
return ""
}