Zabbix

/*

** Zabbix

** Copyright (C) 2001-2023 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 "snmptrapper.h"

#include "zbxserver.h"

#include "zbxdbwrap.h"

​

#include "zbxself.h"

#include "zbxnix.h"

#include "log.h"

#include "zbxregexp.h"

#include "zbxnum.h"

#include "zbxtime.h"

#include "zbxsysinfo.h"

#include "zbx_item_constants.h"

#include "zbxpreproc.h"

​

static int  trap_fd = -1;

static off_t    trap_lastsize;

static ino_t    trap_ino = 0;

static char *buffer = NULL;

static int  offset = 0;

static int  force = 0;

​

static void DBget_lastsize(void)

{

    zbx_db_result_t result;

    zbx_db_row_t    row;

​

    zbx_db_begin();

​

    result = zbx_db_select("select snmp_lastsize from globalvars");

​

    if (NULL == (row = zbx_db_fetch(result)))

    {

        zbx_db_execute("insert into globalvars (globalvarid,snmp_lastsize) values (1,0)");

        trap_lastsize = 0;

    }

    else

        ZBX_STR2UINT64(trap_lastsize, row[0]);

​

    zbx_db_free_result(result);

​

    zbx_db_commit();

}

​

static void DBupdate_lastsize(void)

{

    zbx_db_begin();

    zbx_db_execute("update globalvars set snmp_lastsize=%lld", (long long int)trap_lastsize);

    zbx_db_commit();

}

​

/******************************************************************************

 *                                                                            *

 * Purpose: add trap to all matching items for the specified interface        *

 *                                                                            *

 * Return value: SUCCEED - a matching item was found                          *

 *               FAIL - no matching item was found (including fallback items) *

 *                                                                            *

 ******************************************************************************/

static int  process_trap_for_interface(zbx_uint64_t interfaceid, char *trap, zbx_timespec_t *ts)

{

    zbx_dc_item_t       *items = NULL;

    const char      *regex;

    char            error[ZBX_ITEM_ERROR_LEN_MAX];

    size_t          num, i;

    int         ret = FAIL, fb = -1, *lastclocks = NULL, *errcodes = NULL, value_type, regexp_ret;

    zbx_uint64_t        *itemids = NULL;

    AGENT_RESULT        *results = NULL;

    AGENT_REQUEST       request;

    zbx_vector_expression_t regexps;

    zbx_dc_um_handle_t  *um_handle;

​

    zbx_vector_expression_create(&regexps);