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/*
** Zabbix
** Copyright (C) 2001-2014 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"
static int read_uint64_from_procfs(const char *path, zbx_uint64_t *value)
{
int ret = SYSINFO_RET_FAIL;
char line[MAX_STRING_LEN];
FILE *f;
if (NULL != (f = fopen(path, "r")))
{
if (NULL != fgets(line, sizeof(line), f))
{
if (1 == sscanf(line, ZBX_FS_UI64 "\n", value))
ret = SYSINFO_RET_OK;
}
zbx_fclose(f);
}
return ret;
}
int KERNEL_MAXFILES(AGENT_REQUEST *request, AGENT_RESULT *result)
{
zbx_uint64_t value;
if (SYSINFO_RET_FAIL == read_uint64_from_procfs("/proc/sys/fs/file-max", &value))
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot obtain data from /proc/sys/fs/file-max."));
return SYSINFO_RET_FAIL;
}
SET_UI64_RESULT(result, value);
return SYSINFO_RET_OK;
}
int KERNEL_MAXPROC(AGENT_REQUEST *request, AGENT_RESULT *result)
{
zbx_uint64_t value;
if (SYSINFO_RET_FAIL == read_uint64_from_procfs("/proc/sys/kernel/pid_max", &value))
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot obtain data from /proc/sys/kernel/pid_max."));
return SYSINFO_RET_FAIL;
}
SET_UI64_RESULT(result, value);
return SYSINFO_RET_OK;
}
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