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 vfsfs

​

import (

    "syscall"

​

    "golang.org/x/sys/windows"

    "golang.zabbix.com/sdk/errs"

    "golang.zabbix.com/sdk/plugin"

)

​

func init() {

    err := plugin.RegisterMetrics(

        &impl, "VfsFs",

        "vfs.fs.discovery", "List of mounted filesystems. Used for low-level discovery.",

        "vfs.fs.get", "List of mounted filesystems with statistics.",

        "vfs.fs.size", "Disk space in bytes or in percentage from total.",

    )

    if err != nil {

        panic(errs.Wrap(err, "failed to register metrics"))

    }

}

​

func getMountPaths() (paths []string, err error) {

    buffer := make([]uint16, windows.MAX_PATH+1)

    volume := make([]uint16, windows.MAX_PATH+1)

    var h windows.Handle

    if h, err = windows.FindFirstVolume(&volume[0], uint32(len(volume))); err != nil {

        return

    }

    defer windows.FindVolumeClose(h)

​

    var result []string

    var size uint32

    for {

        for {

            if err = windows.GetVolumePathNamesForVolumeName(&volume[0], &buffer[0], uint32(len(buffer)), &size); err != nil {

                if err.(syscall.Errno) != syscall.ERROR_MORE_DATA {

                    err = errs.Wrapf(err, "Cannot obtain a list of filesystems. Volume: %s Error", windows.UTF16ToString(volume))

                    return

                }

                buffer = make([]uint16, size)

            } else {

                break

            }