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 Affero General Public License as published by the Free Software Foundation, version 3.

**

** 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 Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

package tcpudp

​

import (

    "bufio"

    "bytes"

    "errors"

    "fmt"

    "math"

    "net"

    "net/url"

    "strconv"

    "strings"

    "time"

​

    "github.com/go-ldap/ldap"

    "golang.zabbix.com/agent2/pkg/web"

    "golang.zabbix.com/sdk/log"

    "golang.zabbix.com/sdk/plugin"

)

​

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

)

​

// Plugin -

type Plugin struct {

    plugin.Base

}

​

var impl Plugin

​

func (p *Plugin) exportNetTcpListen(params []string) (result interface{}, err error) {

    if len(params) > 1 {

        return nil, errors.New(errorTooManyParams)

    }

    if len(params) == 0 || params[0] == "" {

        return nil, errors.New(errorInvalidFirstParam)