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/>.

**/

​

#include "zbxsysinfo.h"

#include "../sysinfo.h"

​

int system_swap_size(AGENT_REQUEST *request, AGENT_RESULT *result)

{

/*

 *  FreeBSD 7.0 i386

 */

#ifdef XSWDEV_VERSION   /* defined in <vm/vm_param.h> */

    char        *swapdev, *mode;

    int     mib[16], *mib_dev;

    size_t      sz, mib_sz;

    struct xswdev   xsw;

    zbx_uint64_t    total = 0, used = 0;

​

    if (2 < request->nparam)

    {

        SET_MSG_RESULT(result, zbx_strdup(NULL, "Too many parameters."));

        return SYSINFO_RET_FAIL;

    }

​

    swapdev = get_rparam(request, 0);

    mode = get_rparam(request, 1);

​

    sz = ARRSIZE(mib);

​

    if (-1 == sysctlnametomib("vm.swap_info", mib, &sz))

    {

        SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot obtain \"vm.swap_info\" system parameter: %s",

                zbx_strerror(errno)));

        return SYSINFO_RET_FAIL;

    }

​

    mib_sz = sz + 1;

    mib_dev = &(mib[sz]);

​

    *mib_dev = 0;

    sz = sizeof(xsw);

​

    while (-1 != sysctl(mib, mib_sz, &xsw, &sz, NULL, 0))

    {

        if (NULL == swapdev || '\0' == *swapdev || 0 == strcmp(swapdev, "all")  /* default parameter */

                || 0 == strcmp(swapdev, devname(xsw.xsw_dev, S_IFCHR)))

        {

            total += (zbx_uint64_t)xsw.xsw_nblks;

            used += (zbx_uint64_t)xsw.xsw_used;

        }

        (*mib_dev)++;

    }