Zabbix

//go:build windows

// +build windows

​

/*

** 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 perfmon

​

import (

    "errors"

    "strconv"

    "sync"

    "time"

​

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

    "zabbix.com/pkg/pdh"

    "zabbix.com/pkg/win32"

)

​

const (

    maxInactivityPeriod = time.Hour * 25

    maxInterval         = 60 * 15

​

    langDefault = 0

    langEnglish = 1

)

​

type perfCounterIndex struct {

    path string

    lang int

}

​

type perfCounter struct {

    lastAccess time.Time

    interval   int

    handle     win32.PDH_HCOUNTER

    history    []*float64

    head, tail historyIndex

    err        error

}

​

// Plugin -

type Plugin struct {

    plugin.Base

    mutex        sync.Mutex

    counters     map[perfCounterIndex]*perfCounter

    query        win32.PDH_HQUERY