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/*
** Zabbix
** Copyright (C) 2001-2022 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 "zbxsysinfo.h"
#include "../sysinfo.h"
#include "log.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)++;
}
if (NULL == mode || '\0' == *mode || 0 == strcmp(mode, "free"))
{
SET_UI64_RESULT(result, (total - used) * getpagesize());
}
else if (0 == strcmp(mode, "total"))
{
SET_UI64_RESULT(result, total * getpagesize());
}
else if (0 == strcmp(mode, "used"))
{
SET_UI64_RESULT(result, used * getpagesize());
}
else if (0 == strcmp(mode, "pfree"))
{
SET_DBL_RESULT(result, 0 != total ? ((double)(total - used) * 100.0 / (double)total) : 100.0);
}
else if (0 == strcmp(mode, "pused"))
{
SET_DBL_RESULT(result, 0 != total ? ((double)used * 100.0 / (double)total) : 0.0);
}
else
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid second parameter."));
return SYSINFO_RET_FAIL;
}
return SYSINFO_RET_OK;
#else
SET_MSG_RESULT(result, zbx_strdup(NULL, "Agent was compiled without support for \"xswdev\" structure."));
return SYSINFO_RET_FAIL;
#endif
}
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