154 lines
4.2 KiB
PHP
154 lines
4.2 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* The trace class file of ZenTaoPMS.
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*
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* @copyright Copyright 2009-2023 禅道软件（青岛）有限公司(ZenTao Software (Qingdao) Co., Ltd. www.zentao.net)
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* @license ZPL(https://zpl.pub/page/zplv12.html) or AGPL(https://www.gnu.org/licenses/agpl-3.0.en.html)
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* @author Lu Fei <lufei@easycorp.ltd>
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* @package trace
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* @link https://www.zentao.net
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*/
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class trace
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{
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/**
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* @var array
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*/
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public $trace = array();
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protected $app;
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protected $dao;
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public function __construct()
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{
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global $app, $dao;
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$this->app = $app;
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$this->dao = $dao;
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}
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/**
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* 获取请求信息。
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* Get request info.
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*
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* @return void
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*/
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public function getRequestInfo()
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{
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$this->trace['request'] = array(
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'start' => date('Y-m-d H:i:s', (int)$this->app->startTime),
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'url' => $this->app->getURI(true),
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'protocol' => $this->app->server->server_protocol,
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'method' => $this->app->server->request_method,
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'timeUsed' => round(getTime() - $this->app->startTime, 4) * 1000,
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'memory' => round(memory_get_peak_usage() / 1024, 1),
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'querys' => count(dao::$querys),
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'caches' => 0,
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'files' => count(get_included_files()),
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'session' => session_id(),
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'php' => phpversion()
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);
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}
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/**
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* 获取请求加载的文件。
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* Get request files.
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*
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* @return void
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*/
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public function getRequestFiles()
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{
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$this->trace['files'] = get_included_files();
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}
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/**
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* 获取请求的 SQL 语句。
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* Get request SQLs.
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*
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* @return void
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*/
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public function getRequestSqls()
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{
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$this->trace['sqlQuery'] = dao::$querys;
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}
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/**
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* 获取请求的 SQL profiles。
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* Get request SQL profiles.
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*
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* @return array
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*/
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public function getSQLProfiles()
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{
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global $config;
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/* 达梦数据库不支持下面的语法，直接跳过。The */
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if($config->db->driver === 'dm') return;
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$profiling = $this->dao->dbh->query('SHOW PROFILES')->fetchAll(PDO::FETCH_ASSOC);
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foreach($profiling as $key => $profile)
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{
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$profiling[$key]['Duration'] = round($profile['Duration'], 4);
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$sql = trim($profile['Query']);
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if(stripos($sql, 'select') !== 0
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&& strpos($sql, 'insert') !== 0
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&& strpos($sql, 'update') !== 0
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&& strpos($sql, 'delete') !== 0
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&& strpos($sql, 'replace') !== 0
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)
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{
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continue;
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}
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try
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{
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$slow = false;
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$rows = $this->dao->dbh->query("EXPLAIN $sql")->fetchAll();
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foreach($rows as $row)
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{
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if($row->type === 'ALL'
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|| stripos($row->Extra, 'temporary') !== false
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|| stripos($row->Extra, 'filesort') !== false
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|| stripos($row->Extra, 'join buffer') !== false
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|| stripos($row->Extra, 'checked for each record') !== false
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|| stripos($row->Extra, 'full scan on null key') !== false
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)
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{
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$slow = true;
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break;
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}
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}
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if($slow) $profiling[$key]['Explain'] = $rows;
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}
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catch(PDOException $e)
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{
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$profiling[$key]['Error'] = 'The sql statement was too long and was truncated and cannot be explained.';
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}
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}
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$this->trace['profiles'] = $profiling;
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}
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/**
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* 生成请求 Trace。
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* Generate request trace.
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*
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* @return array
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*/
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public function getTrace()
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{
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$this->getRequestInfo();
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$this->getRequestFiles();
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$this->getRequestSqls();
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$this->getSQLProfiles();
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return $this->trace;
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}
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public function __toString(): string
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{
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return json_encode($this->getTrace());
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}
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}
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