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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"
int get_diskstat(const char *devname, zbx_uint64_t *dstat)
{
return FAIL;
}
static int get_disk_stats(const char *devname, zbx_uint64_t *rbytes, zbx_uint64_t *wbytes, zbx_uint64_t *roper, zbx_uint64_t *woper)
{
int ret = SYSINFO_RET_FAIL, mib[2], drive_count;
size_t len;
struct diskstats *stats;
int i;
mib[0] = CTL_HW;
mib[1] = HW_DISKCOUNT;
len = sizeof(drive_count);
if (0 != sysctl(mib, 2, &drive_count, &len, NULL, 0))
return SYSINFO_RET_FAIL;
len = (drive_count * sizeof(struct diskstats));
if (NULL == (stats = zbx_calloc(NULL, drive_count, len)))
return SYSINFO_RET_FAIL;
mib[0] = CTL_HW;
mib[1] = HW_DISKSTATS;
if (rbytes)
*rbytes = 0;
if (wbytes)
*wbytes = 0;
if (roper)
*roper = 0;
if (woper)
*woper = 0;
if (0 == sysctl(mib, 2, stats, &len, NULL, 0))
{
for (i = 0; i < drive_count; i++)
{
if (NULL == devname || '\0' == *devname || 0 == strcmp(devname, "all") ||
0 == strcmp(devname, stats[i].ds_name))
{
if (rbytes)
*rbytes += stats[i].ds_rbytes;
if (wbytes)
*wbytes += stats[i].ds_wbytes;
if (roper)
*roper += stats[i].ds_rxfer;
if (woper)
*woper += stats[i].ds_wxfer;
ret = SYSINFO_RET_OK;
}
}
}
free(stats);
return ret;
}
static int VFS_DEV_READ_BYTES(const char *devname, AGENT_RESULT *result)
{
zbx_uint64_t value;
if (SYSINFO_RET_OK != get_disk_stats(devname, &value, NULL, NULL, NULL))
return SYSINFO_RET_FAIL;
SET_UI64_RESULT(result, value);
return SYSINFO_RET_OK;
}
static int VFS_DEV_READ_OPERATIONS(const char *devname, AGENT_RESULT *result)
{
zbx_uint64_t value;
if (SYSINFO_RET_OK != get_disk_stats(devname, NULL, NULL, &value, NULL))
return SYSINFO_RET_FAIL;
SET_UI64_RESULT(result, value);
return SYSINFO_RET_OK;
}
static int VFS_DEV_WRITE_BYTES(const char *devname, AGENT_RESULT *result)
{
zbx_uint64_t value;
if (SYSINFO_RET_OK != get_disk_stats(devname, NULL, &value, NULL, NULL))
return SYSINFO_RET_FAIL;
SET_UI64_RESULT(result, value);
return SYSINFO_RET_OK;
}
static int VFS_DEV_WRITE_OPERATIONS(const char *devname, AGENT_RESULT *result)
{
zbx_uint64_t value;
if (SYSINFO_RET_OK != get_disk_stats(devname, NULL, NULL, NULL, &value))
return SYSINFO_RET_FAIL;
SET_UI64_RESULT(result, value);
return SYSINFO_RET_OK;
}
int VFS_DEV_WRITE(AGENT_REQUEST *request, AGENT_RESULT *result)
{
char *devname, *mode;
int ret = SYSINFO_RET_FAIL;
if (2 < request->nparam)
return SYSINFO_RET_FAIL;
devname = get_rparam(request, 0);
mode = get_rparam(request, 1);
if (NULL == mode || '\0' == *mode || 0 == strcmp(mode, "operations"))
ret = VFS_DEV_WRITE_OPERATIONS(devname, result);
else if (0 == strcmp(mode, "bytes"))
ret = VFS_DEV_WRITE_BYTES(devname, result);
else
ret = SYSINFO_RET_FAIL;
return ret;
}
int VFS_DEV_READ(AGENT_REQUEST *request, AGENT_RESULT *result)
{
char *devname, *mode;
int ret = SYSINFO_RET_FAIL;
if (2 < request->nparam)
return SYSINFO_RET_FAIL;
devname = get_rparam(request, 0);
mode = get_rparam(request, 1);
if (NULL == mode || '\0' == *mode || 0 == strcmp(mode, "operations"))
ret = VFS_DEV_READ_OPERATIONS(devname, result);
else if (0 == strcmp(mode, "bytes"))
ret = VFS_DEV_READ_BYTES(devname, result);
else
ret = SYSINFO_RET_FAIL;
return ret;
}
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