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 "discovery_server.h"

​

#include "zbxtime.h"

#include "zbxnum.h"

#include "zbxdb.h"

#include "zbxstr.h"

#include "zbxalgo.h"

​

static zbx_db_result_t  discovery_get_dhost_by_value(zbx_uint64_t dcheckid, const char *value)

{

    zbx_db_result_t result;

    char        *value_esc;

​

    value_esc = zbx_db_dyn_escape_field("dservices", "value", value);

​

    result = zbx_db_select(

            "select dh.dhostid,dh.status,dh.lastup,dh.lastdown"

            " from dhosts dh,dservices ds"

            " where ds.dhostid=dh.dhostid"

                " and ds.dcheckid=" ZBX_FS_UI64

                " and ds.value" ZBX_SQL_STRCMP

            " order by dh.dhostid",

            dcheckid, ZBX_SQL_STRVAL_EQ(value_esc));

​

    zbx_free(value_esc);

​

    return result;

}

​

static zbx_db_result_t  discovery_get_dhost_by_ip_port(zbx_uint64_t druleid, const char *ip, int port)

{

    zbx_db_result_t result;

    char        *ip_esc;

​

    ip_esc = zbx_db_dyn_escape_field("dservices", "ip", ip);

​

    result = zbx_db_select(

            "select dh.dhostid,dh.status,dh.lastup,dh.lastdown"

            " from dhosts dh,dservices ds"

            " where ds.dhostid=dh.dhostid"

                " and dh.druleid=" ZBX_FS_UI64

                " and ds.ip" ZBX_SQL_STRCMP

                " and ds.port=%d"

            " order by dh.dhostid",

            druleid, ZBX_SQL_STRVAL_EQ(ip_esc), port);

​

    zbx_free(ip_esc);

​

    return result;

}

​

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

 *                                                                            *

 * Purpose: separates multiple-IP hosts                                       *

 *                                                                            *

 * Parameters:                                                                *

 *    druleid - [IN] host ip address                                          *

 *    dhost   - [OUT]                                                         *

 *    ip      - [IN]                                                          *

 *                                                                            *

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

static void discovery_separate_host(zbx_uint64_t druleid, zbx_db_dhost *dhost, const char *ip)

{

    zbx_db_result_t result;

    char        *ip_esc, *sql = NULL;

    zbx_uint64_t    dhostid;

​

    zabbix_log(LOG_LEVEL_DEBUG, "In %s() ip:'%s'", __func__, ip);

​

    ip_esc = zbx_db_dyn_escape_field("dservices", "ip", ip);

​

    sql = zbx_dsprintf(sql,

            "select dserviceid"

            " from dservices"

            " where dhostid=" ZBX_FS_UI64

                " and ip" ZBX_SQL_STRCMP,

            dhost->dhostid, ZBX_SQL_STRVAL_NE(ip_esc));