Zabbix

/*

** Zabbix

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** This program is distributed in the hope that it will be useful,

** but WITHOUT ANY WARRANTY; without even the implied warranty of

** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

** GNU General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

package dns

​

import (

    "errors"

    "fmt"

    "net"

    "strconv"

    "strings"

    "time"

​

    "github.com/miekg/dns"

    "golang.zabbix.com/sdk/errs"

    "golang.zabbix.com/sdk/plugin"

    "golang.zabbix.com/sdk/zbxerr"

)

​

const (

    base10 = 10

​

    tcpProtocol = "tcp"

    udpProtocol = "udp"

)

​

const (

    noneParam = iota

    firstParam

    secondParam

    thirdParam

    fourthParam

    fifthParam

    sixthParam

)

​

type options struct {

    ip       string

    name     string

    protocol string

    dnsType  uint16

    count    int

    timeout  time.Duration

}

​

// Plugin -

type Plugin struct {