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source.go
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source.go
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// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you under
// the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
package model
import (
"net/netip"
)
// Source holds information about the source of a network exchange.
type Source struct {
// Domain holds the client's domain (FQDN).
Domain string
// IP holds the client's IP address.
IP netip.Addr
// Port holds the client's IP port.
Port int
// NAT holds the translated source based NAT sessions.
NAT *NAT
}
func (s *Source) fields() map[string]any {
var fields mapStr
fields.maybeSetString("domain", s.Domain)
if s.IP.IsValid() {
fields.set("ip", s.IP.String())
}
if s.Port > 0 {
fields.set("port", s.Port)
}
if s.NAT != nil {
if nat := s.NAT.fields(); len(nat) > 0 {
fields.set("nat", nat)
}
}
return map[string]any(fields)
}
// NAT holds information about the translated source of a network exchange.
type NAT struct {
// IP holds the translated IP address.
IP netip.Addr
}
func (n *NAT) fields() map[string]any {
var fields mapStr
if n.IP.IsValid() {
fields.set("ip", n.IP.String())
}
return map[string]any(fields)
}