/**
* Get single instance of XHProf
* @return XHProf
*/
public static function getInstance()
{
if (self::$instance === null) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Stop the profiler
*
* @return mixed Void or modified response if replaceRunId is defined
*/
public function afterDispatch($event)
{
$runId = XHProf::finish();
$replaceRunId = Configure::read('XHProf.replaceRunId');
if (!empty($replaceRunId)) {
$body = $event->data['response']->body();
$body = str_replace($replaceRunId, $runId, $event->data['response']);
$event->data['response']->body($body);
return $event->data['response'];
}
}
public function getSummary()
{
if (Yii::app()->getComponent('xhprof', false) === null) {
return null;
}
XHProf::getInstance()->setHtmlUrlPath(Yii::app()->xhprof->getReportBaseUrl());
$urls = array();
$data = $this->getData();
if ($data['enabled']) {
$urls['report'] = XHProf::getInstance()->getReportUrl($data['runId'], $data['ns']);
$urls['callgraph'] = XHProf::getInstance()->getCallgraphUrl($data['runId'], $data['ns']);
}
return $this->render(__DIR__ . '/views/panel.php', array('enabled' => $data['enabled'], 'urls' => $urls));
}
function stop()
{
if (self::$run) {
$data = xhprof_disable();
$incl = defined('XHPROF_PATH') ? XHPROF_PATH : self::XHPROF_PATH;
include_once $incl . '/utils/xhprof_lib.php';
include_once $incl . '/utils/xhprof_runs.php';
$runs = new XHProfRuns_Default();
$id = $runs->save_run($data, 'glpi');
$url = defined('XHPROF_URL') ? XHPROF_URL : self::XHPROF_URL;
$host = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : 'localhost';
$link = "http://" . $host . "{$url}/index.php?run={$id}&source=glpi";
Toolbox::logDebug("Stop profiling with XHProf, result URL", $link);
self::$run = false;
}
}
/**
* Initialize default options and include necessary files
*
* @return void
*/
protected static function _initialize()
{
// Can't profile without xhprof
if (!extension_loaded('xhprof')) {
throw new RuntimeException('XHProf extension is not loaded.');
}
// Merge base configuration
$options = (array) Configure::read('XHProf') + self::$_baseConfig;
Configure::write('XHProf', $options);
// Include libraries
if (!class_exists('XHProfRuns_Default')) {
$path = $options['library'] . DS . 'utils' . DS;
$files = array($path . 'xhprof_lib.php', $path . 'xhprof_runs.php');
foreach ($files as $file) {
if (!(include $file)) {
throw new RuntimeException(sprintf('Couldn\'t include library file: %s.', $file));
}
}
}
// All good to go
self::$_initiated = true;
}
/**
* Get report details for current profiling process. Info consists of:
* - unique run identifier (runId)
* - namespace for run (ns, current application ID by default)
* - requested URL (url)
* - time of request (time)
* @return array key-valued list
*/
public function getReportInfo()
{
if (!$this->isActive()) {
return array('enabled' => false, 'runId' => null, 'ns' => null, 'url' => null, 'time' => null);
}
if ($this->reportInfo === null) {
$request = Yii::app()->getRequest();
$this->reportInfo = array('enabled' => true, 'runId' => XHProf::getInstance()->getRunId(), 'ns' => XHProf::getInstance()->getRunNamespace(), 'url' => $request->getHostInfo() . $request->getUrl(), 'time' => microtime(true));
}
return $this->reportInfo;
}