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/*
** ZABBIX
** Copyright (C) 2000-2005 SIA Zabbix
**
** 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., 675 Mass Ave, Cambridge, MA 02139, USA.
**/
#include "common.h"
#include "sysinfo.h"
#include "md5.h"
/* Solaris. */
#ifndef HAVE_SYSINFO_FREESWAP
#ifdef HAVE_SYS_SWAP_SWAPTABLE
void get_swapinfo(double *total, double *fr)
{
register int cnt, i, page_size;
/* Support for >2Gb */
/* register int t, f;*/
double t, f;
struct swaptable *swt;
struct swapent *ste;
static char path[256];
/* get total number of swap entries */
cnt = swapctl(SC_GETNSWP, 0);
/* allocate enough space to hold count + n swapents */
swt = (struct swaptable *)malloc(sizeof(int) +
cnt * sizeof(struct swapent));
if (swt == NULL)
{
*total = 0;
*fr = 0;
return;
}
swt->swt_n = cnt;
/* fill in ste_path pointers: we don't care about the paths, so we
point them all to the same buffer */
ste = &(swt->swt_ent[0]);
i = cnt;
while (--i >= 0)
{
ste++->ste_path = path;
}
/* grab all swap info */
swapctl(SC_LIST, swt);
/* walk thru the structs and sum up the fields */
t = f = 0;
ste = &(swt->swt_ent[0]);
i = cnt;
while (--i >= 0)
{
/* dont count slots being deleted */
if (!(ste->ste_flags & ST_INDEL) &&
!(ste->ste_flags & ST_DOINGDEL))
{
t += ste->ste_pages;
f += ste->ste_free;
}
ste++;
}
page_size=getpagesize();
/* fill in the results */
*total = page_size*t;
*fr = page_size*f;
free(swt);
}
#endif
#endif
static int SYSTEM_SWAP_FREE(const char *cmd, const char *param, unsigned flags, AGENT_RESULT *result)
{
#ifdef HAVE_SYSINFO_FREESWAP
struct sysinfo info;
assert(result);
init_result(result);
if( 0 == sysinfo(&info))
{
#ifdef HAVE_SYSINFO_MEM_UNIT
SET_UI64_RESULT(result, (zbx_uint64_t)info.freeswap * (zbx_uint64_t)info.mem_unit);
#else
SET_UI64_RESULT(result, info.freeswap);
#endif
return SYSINFO_RET_OK;
}
else
{
return SYSINFO_RET_FAIL;
}
/* Solaris */
#else
#ifdef HAVE_SYS_SWAP_SWAPTABLE
double swaptotal,swapfree;
assert(result);
init_result(result);
get_swapinfo(&swaptotal,&swapfree);
SET_UI64_RESULT(result, swapfree);
return SYSINFO_RET_OK;
#else
assert(result);
init_result(result);
return SYSINFO_RET_FAIL;
#endif
#endif
}
static int SYSTEM_SWAP_TOTAL(const char *cmd, const char *param, unsigned flags, AGENT_RESULT *result)
{
#ifdef HAVE_SYSINFO_TOTALSWAP
struct sysinfo info;
assert(result);
init_result(result);
if( 0 == sysinfo(&info))
{
#ifdef HAVE_SYSINFO_MEM_UNIT
SET_UI64_RESULT(result, (zbx_uint64_t)info.totalswap * (zbx_uint64_t)info.mem_unit);
#else
SET_UI64_RESULT(result, info.totalswap);
#endif
return SYSINFO_RET_OK;
}
else
{
return SYSINFO_RET_FAIL;
}
/* Solaris */
#else
#ifdef HAVE_SYS_SWAP_SWAPTABLE
double swaptotal,swapfree;
assert(result);
init_result(result);
get_swapinfo(&swaptotal,&swapfree);
SET_UI64_RESULT(result, swaptotal);
return SYSINFO_RET_OK;
#else
assert(result);
init_result(result);
return SYSINFO_RET_FAIL;
#endif
#endif
}
static int SYSTEM_SWAP_PFREE(const char *cmd, const char *param, unsigned flags, AGENT_RESULT *result)
{
AGENT_RESULT result_tmp;
zbx_uint64_t tot_val = 0;
zbx_uint64_t free_val = 0;
assert(result);
init_result(result);
init_result(&result_tmp);
if(SYSTEM_SWAP_TOTAL(cmd, param, flags, &result_tmp) != SYSINFO_RET_OK ||
!(result_tmp.type & AR_UINT64))
return SYSINFO_RET_FAIL;
tot_val = result_tmp.ui64;
/* Check fot division by zero */
if(tot_val == 0)
{
free_result(&result_tmp);
return SYSINFO_RET_FAIL;
}
if(SYSTEM_SWAP_FREE(cmd, param, flags, &result_tmp) != SYSINFO_RET_OK ||
!(result_tmp.type & AR_UINT64))
return SYSINFO_RET_FAIL;
free_val = result_tmp.ui64;
free_result(&result_tmp);
SET_DBL_RESULT(result, (100.0 * (double)free_val) / (double)tot_val);
return SYSINFO_RET_OK;
}
static int SYSTEM_SWAP_PUSED(const char *cmd, const char *param, unsigned flags, AGENT_RESULT *result)
{
AGENT_RESULT result_tmp;
zbx_uint64_t tot_val = 0;
zbx_uint64_t free_val = 0;
assert(result);
init_result(result);
init_result(&result_tmp);
if(SYSTEM_SWAP_TOTAL(cmd, param, flags, &result_tmp) != SYSINFO_RET_OK ||
!(result_tmp.type & AR_UINT64))
return SYSINFO_RET_FAIL;
tot_val = result_tmp.ui64;
/* Check fot division by zero */
if(tot_val == 0)
{
free_result(&result_tmp);
return SYSINFO_RET_FAIL;
}
if(SYSTEM_SWAP_FREE(cmd, param, flags, &result_tmp) != SYSINFO_RET_OK ||
!(result_tmp.type & AR_UINT64))
return SYSINFO_RET_FAIL;
free_val = result_tmp.ui64;
free_result(&result_tmp);
SET_DBL_RESULT(result, 100.0-(100.0 * (double)free_val) / (double)tot_val);
return SYSINFO_RET_OK;
}
int SYSTEM_SWAP_SIZE(const char *cmd, const char *param, unsigned flags, AGENT_RESULT *result)
{
#define SWP_FNCLIST struct swp_fnclist_s
SWP_FNCLIST
{
char *mode;
int (*function)();
};
SWP_FNCLIST fl[] =
{
{"total", SYSTEM_SWAP_TOTAL},
{"free", SYSTEM_SWAP_FREE},
{"pfree", SYSTEM_SWAP_PFREE},
{"pused", SYSTEM_SWAP_PUSED},
{0, 0}
};
char swapdev[MAX_STRING_LEN];
char mode[MAX_STRING_LEN];
int i;
assert(result);
init_result(result);
if(num_param(param) > 2)
{
return SYSINFO_RET_FAIL;
}
if(get_param(param, 1, swapdev, sizeof(swapdev)) != 0)
{
return SYSINFO_RET_FAIL;
}
if(swapdev[0] == '\0')
{
/* default parameter */
zbx_snprintf(swapdev, sizeof(swapdev), "all");
}
if(strncmp(swapdev, "all", sizeof(swapdev)) != 0)
{
return SYSINFO_RET_FAIL;
}
if(get_param(param, 2, mode, sizeof(mode)) != 0)
{
mode[0] = '\0';
}
if(mode[0] == '\0')
{
/* default parameter */
zbx_snprintf(mode, sizeof(mode), "free");
}
for(i=0; fl[i].mode!=0; i++)
{
if(strncmp(mode, fl[i].mode, MAX_STRING_LEN)==0)
{
return (fl[i].function)(cmd, param, flags, result);
}
}
return SYSINFO_RET_FAIL;
}
int OLD_SWAP(const char *cmd, const char *param, unsigned flags, AGENT_RESULT *result)
{
char key[MAX_STRING_LEN];
int ret;
assert(result);
init_result(result);
if(num_param(param) > 1)
{
return SYSINFO_RET_FAIL;
}
if(get_param(param, 1, key, MAX_STRING_LEN) != 0)
{
return SYSINFO_RET_FAIL;
}
if(strcmp(key,"free") == 0)
{
ret = SYSTEM_SWAP_FREE(cmd, param, flags, result);
}
else if(strcmp(key,"total") == 0)
{
ret = SYSTEM_SWAP_TOTAL(cmd, param, flags, result);
}
else
{
ret = SYSINFO_RET_FAIL;
}
return ret;
}
int SYSTEM_SWAP_IN(const char *cmd, const char *param, unsigned flags, AGENT_RESULT *result)
{
/* in this moment this function for this platform unsupported */
return SYSINFO_RET_FAIL;
}
int SYSTEM_SWAP_OUT(const char *cmd, const char *param, unsigned flags, AGENT_RESULT *result)
{
/* in this moment this function for this platform unsupported */
return SYSINFO_RET_FAIL;
}
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