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137 lines
3.6 KiB
137 lines
3.6 KiB
<?php declare(strict_types = 0);
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/*
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** Zabbix
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** Copyright (C) 2001-2023 Zabbix SIA
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**/
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/**
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* Convert aggregate item key to calculated item function.
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*/
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class C52AggregateItemKeyConverter extends CConverter {
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/**
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* Item key parser instance.
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*
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* @var CItemKey
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*/
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protected $item_key_parser;
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/**
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* An options array.
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*
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* Supported options:
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* 'lldmacros' => false Enable low-level discovery macros usage in time periods.
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*
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* @var array
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*/
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private $options = [
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'lldmacros' => false
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];
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/**
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* @param array $options
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*/
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public function __construct(array $options = []) {
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$this->options = $options + $this->options;
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$this->item_key_parser = new CItemKey();
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}
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/**
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* Convert aggregate item key to calculated item syntax.
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*
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* @param string $value Item key.
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*
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* @return string Converted item key.
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*/
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public function convert($value) {
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if ($this->item_key_parser->parse($value) != CParser::PARSE_SUCCESS) {
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return $value;
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}
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$params = $this->item_key_parser->getParamsRaw();
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$params = reset($params);
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if (!$params || count($params['parameters']) < 2) {
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return $value;
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}
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$params = $params['parameters'];
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$host_groups = ($params[0]['type'] == CItemKey::PARAM_ARRAY) ? $params[0]['parameters'] : [$params[0]];
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foreach ($host_groups as &$host_group) {
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$host_group = ($host_group['type'] == CItemKey::PARAM_QUOTED)
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? CItemKey::unquoteParam($host_group['raw'])
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: $host_group['raw'];
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$host_group = CFilterParser::quoteString($host_group);
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}
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unset($host_group);
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$item_key = '/*/'.trim($this->item_key_parser->getParam(1)).'?[group='.implode(' or group=', $host_groups).']';
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$func_foreach = $this->item_key_parser->getParam(2).'_foreach';
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$timeperiod = $this->item_key_parser->getParam(3);
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$new_value = substr($this->item_key_parser->getKey(), 3).'('.$func_foreach.'('.$item_key;
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if ($timeperiod !== null) {
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$timeperiod = trim($timeperiod);
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if ($this->isQuotableTimeperiod($timeperiod)) {
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$timeperiod = CHistFunctionParser::quoteParam($timeperiod);
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}
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$new_value .= ','.$timeperiod;
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}
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return $new_value.'))';
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}
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private function isQuotableTimeperiod(string $timeperiod): bool {
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$number_parser = new CNumberParser([
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'with_minus' => false,
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'with_size_suffix' => true,
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'with_time_suffix' => true
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]);
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if ($number_parser->parse($timeperiod) == CParser::PARSE_SUCCESS) {
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return false;
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}
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$user_macro_parser = new CUserMacroParser();
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if ($user_macro_parser->parse($timeperiod) == CParser::PARSE_SUCCESS) {
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return false;
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}
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if ($this->options['lldmacros']) {
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$lld_macro_parser = new CLLDMacroParser();
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if ($lld_macro_parser->parse($timeperiod) == CParser::PARSE_SUCCESS) {
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return false;
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}
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$lld_macro_function_parser = new CLLDMacroFunctionParser();
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if ($lld_macro_function_parser->parse($timeperiod) == CParser::PARSE_SUCCESS) {
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return false;
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}
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}
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return true;
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}
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}
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