Zabbix

<?php

/*

** 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/>.

**/

​

​

class CMacrosResolverGeneral {

​

    /**

     * Interface priorities.

     *

     * @var array

     */

    protected const interfacePriorities = [

        INTERFACE_TYPE_AGENT => 4,

        INTERFACE_TYPE_SNMP => 3,

        INTERFACE_TYPE_JMX => 2,

        INTERFACE_TYPE_IPMI => 1

    ];

​

    protected const aggr_triggers_macros = ['{TRIGGER.EVENTS.ACK}', '{TRIGGER.EVENTS.PROBLEM.ACK}',

        '{TRIGGER.EVENTS.PROBLEM.UNACK}', '{TRIGGER.EVENTS.UNACK}', '{TRIGGER.PROBLEM.EVENTS.PROBLEM.ACK}',

        '{TRIGGER.PROBLEM.EVENTS.PROBLEM.UNACK}', '{TRIGGERS.UNACK}', '{TRIGGERS.PROBLEM.UNACK}', '{TRIGGERS.ACK}',

        '{TRIGGERS.PROBLEM.ACK}'];

​

    /**

     * Get reference macros for trigger.

     * If macro reference non existing value it expands to empty string.

     *

     * @param string $expression

     * @param array  $references

     *

     * @return array

     */

    protected static function resolveTriggerReferences($expression, $references) {

        $values = [];

        $expression_parser = new CExpressionParser([

            'usermacros' => true,

            'lldmacros' => true,

            'collapsed_expression' => true

        ]);

​

        if ($expression_parser->parse($expression) == CParser::PARSE_SUCCESS) {

            foreach ($expression_parser->getResult()->getTokens() as $token) {

                switch ($token['type']) {

                    case CExpressionParserResult::TOKEN_TYPE_NUMBER:

                    case CExpressionParserResult::TOKEN_TYPE_USER_MACRO:

                        $values[] = $token['match'];

                        break;

​

                    case CExpressionParserResult::TOKEN_TYPE_STRING:

                        $values[] = CExpressionParser::unquoteString($token['match']);

                        break;