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.

**/

​

#include "common.h"

#include "sysinfo.h"

#include "zbxjson.h"

#include "../common/common.h"

#include "log.h"

​

static int  get_kstat_named_field(const char *name, const char *field, zbx_uint64_t *field_value, char **error)

{

    int     ret = FAIL, min_instance = -1;

    kstat_ctl_t *kc;

    kstat_t     *kp, *min_kp;

    kstat_named_t   *kn;

​

    if (NULL == (kc = kstat_open()))

    {

        *error = zbx_dsprintf(NULL, "Cannot open kernel statistics facility: %s", zbx_strerror(errno));

        return FAIL;

    }

​

    for (kp = kc->kc_chain; NULL != kp; kp = kp->ks_next)   /* traverse all kstat chain */

    {

        if (0 != strcmp(name, kp->ks_name))     /* network interface name */

            continue;

​

        if (0 != strcmp("net", kp->ks_class))

            continue;

​

        /* find instance with the smallest number */

​

        if (-1 == min_instance || kp->ks_instance < min_instance)

        {

            min_instance = kp->ks_instance;

            min_kp = kp;

        }

​

        if (0 == min_instance)

            break;

    }

​

    if (-1 != min_instance)

        kp = min_kp;

​

    if (NULL == kp)

    {