Zabbix

/*

** Zabbix

** Copyright (C) 2001-2023 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 tcpudp

​

import (

    "bufio"

    "bytes"

    "errors"

    "fmt"

    "math"

    "net"

    "net/url"

    "strconv"

    "strings"

    "time"

​

    "git.zabbix.com/ap/plugin-support/conf"

    "git.zabbix.com/ap/plugin-support/log"

    "git.zabbix.com/ap/plugin-support/plugin"

    "github.com/go-ldap/ldap"

    "zabbix.com/pkg/web"

)

​

const (

    errorInvalidFirstParam  = "Invalid first parameter."

    errorInvalidSecondParam = "Invalid second parameter."

    errorInvalidThirdParam  = "Invalid third parameter."

    errorInvalidFourthParam = "Invalid fourth parameter."

    errorInvalidFifthParam  = "Invalid fifth parameter."

    errorTooManyParams      = "Too many parameters."

    errorUnsupportedMetric  = "Unsupported metric."

)

​

const (

    tcpExpectFail   = -1

    tcpExpectOk     = 0

    tcpExpectIgnore = 1

)

​

type Options struct {

    plugin.SystemOptions `conf:"optional"`

    Timeout              int `conf:"optional,range=1:30"`

}

​

// Plugin -

type Plugin struct {