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"

​

#include "zbxregexp.h"

#include "zbxstr.h"

​

static int  check_procstate(struct procentry64 *procentry, int zbx_proc_stat)

{

    if (ZBX_PROC_STAT_ALL == zbx_proc_stat)

        return SUCCEED;

​

    switch (zbx_proc_stat)

    {

        case ZBX_PROC_STAT_RUN:

            return SACTIVE == procentry->pi_state && 0 != procentry->pi_cpu ? SUCCEED : FAIL;

        case ZBX_PROC_STAT_SLEEP:

            return SACTIVE == procentry->pi_state && 0 == procentry->pi_cpu ? SUCCEED : FAIL;

        case ZBX_PROC_STAT_ZOMB:

            return SZOMB == procentry->pi_state ? SUCCEED : FAIL;

    }

​

    return FAIL;

}

​

static int  match_procargs(struct procentry64 *procentry, const zbx_regexp_t *proccomm_rxp)

{

    unsigned int    i;

    char        procargs[MAX_BUFFER_LEN];

​

    if (0 != getargs(procentry, (int)sizeof(*procentry), procargs, (int)sizeof(procargs)))

        return FAIL;

​

    for (i = 0; i < sizeof(procargs) - 1; i++)

    {

        if ('\0' == procargs[i])

        {

            if ('\0' == procargs[i + 1])

                break;

​

            procargs[i] = ' ';

        }

    }

​

    if (i == sizeof(procargs) - 1)

        procargs[i] = '\0';

​

    return 0 == zbx_regexp_match_precompiled(procargs, proccomm_rxp) ? SUCCEED : FAIL;

}

​

int proc_mem(AGENT_REQUEST *request, AGENT_RESULT *result)

{

#define ZBX_VSIZE   0

#define ZBX_RSS     1

#define ZBX_PMEM    2

#define ZBX_SIZE    3

#define ZBX_DSIZE   4

#define ZBX_TSIZE   5

#define ZBX_SDSIZE  6

#define ZBX_DRSS    7

#define ZBX_TRSS    8

​

/* The pi_???_l2psize fields are described as: log2 of a proc's ??? pg sz */

/* Basically it's bits per page, so define 12 bits (4kb) for earlier AIX  */

/* versions that do not support those fields.                             */

#ifdef _AIX61

#   define ZBX_L2PSIZE(field)   field

#else

#   define ZBX_L2PSIZE(field)   12

#endif

​

    char            *param, *procname, *proccomm, *mem_type = NULL, *rxp_error = NULL;

    struct passwd       *usrinfo;

    struct procentry64  procentry;

    pid_t           pid = 0;

    int         do_task, mem_type_code, proccount = 0, invalid_user = 0;

    zbx_uint64_t        mem_size = 0, byte_value = 0;

    double          pct_size = 0.0, pct_value = 0.0;