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<?php
/*-------------------------------------------------------
*
* LiveStreet Engine Social Networking
* Copyright © 2008 Mzhelskiy Maxim
*
*--------------------------------------------------------
*
* Official site: www.livestreet.ru
* Contact e-mail: rus.engine@gmail.com
*
* GNU General Public License, version 2:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
---------------------------------------------------------
*/
/**
* Ведение профайлинга
*
*/
class ProfilerSimple {
static protected $oInstance=null;
protected $aTimes;
protected $sRequestId;
protected $iTimeId;
protected $iTimePidCurrent=null;
protected $bEnable;
protected $sFileName=null;
protected function __construct($sFileName,$bEnable) {
$this->bEnable=$bEnable;
$this->sFileName=$sFileName;
$this->sRequestId=func_generator(32);
$this->iTimeId=0;
}
/**
* Ограничиваем объект только одним экземпляром
*
* @return ProfilerSimple
*/
static public function getInstance($sFileName=null,$bEnable=true) {
if (isset(self::$oInstance)) {
return self::$oInstance;
} else {
self::$oInstance= new self($sFileName,$bEnable);
return self::$oInstance;
}
}
public function Start($sName,$sComment='') {
if (!$this->bEnable) {
return false;
}
$this->iTimeId++;
$this->aTimes[$this->sRequestId.$this->iTimeId]=array(
'request_id' => $this->sRequestId,
'time_id' => $this->iTimeId,
'time_pid' => $this->iTimePidCurrent,
'time_name' => $sName,
'time_comment' => $sComment,
'time_start' => microtime(),
);
$this->iTimePidCurrent=$this->iTimeId;
return $this->iTimeId;
}
public function Stop($iTimeId) {
if (!$this->bEnable or !$iTimeId or !isset($this->aTimes[$this->sRequestId.$iTimeId])) {
return false;
}
$this->aTimes[$this->sRequestId.$iTimeId]['time_stop']=microtime();
$this->aTimes[$this->sRequestId.$iTimeId]['time_full']=$this->GetTimeFull($iTimeId);
$this->iTimePidCurrent=$this->aTimes[$this->sRequestId.$iTimeId]['time_pid'];
}
public function Save() {
if (!$this->bEnable or !$this->sFileName) {
return false;
}
if ($fp=fopen($this->sFileName,"a")) {
foreach ($this->aTimes as $aTime) {
/**
* Проверяем есть ли "открытые" счетчики
*/
if (!isset($aTime['time_full'])) {
$this->Stop($aTime['time_id']);
$aTime=$this->aTimes[$aTime['request_id'].$aTime['time_id']];
}
if(!isset($aTime['time_pid'])) $aTime['time_pid']=0;
if(isset($aTime['time_comment']) and $aTime['time_comment']!='') {
$aTime['time_comment'] = preg_replace('/\s{1,}/',' ',$aTime['time_comment']);
}
$s=date('Y-m-d H:i:s')."\t{$aTime['request_id']}\t{$aTime['time_full']}\t{$aTime['time_start']}\t{$aTime['time_stop']}\t{$aTime['time_id']}\t{$aTime['time_pid']}\t{$aTime['time_name']}\t{$aTime['time_comment']}\r\n";
fwrite($fp,$s);
}
fclose($fp);
}
}
public function __destruct() {
$this->Save();
}
/**
* Вычисляет полное время замера
*
* @param int $iTimeId
* @return float
*/
protected function GetTimeFull($iTimeId) {
list($iStartSeconds,$iStartGeneral)=explode(' ',$this->aTimes[$this->sRequestId.$iTimeId]['time_start'],2);
list($iStopSeconds,$iStopGeneral)=explode(' ',$this->aTimes[$this->sRequestId.$iTimeId]['time_stop'],2);
return ($iStopSeconds-$iStartSeconds)+($iStopGeneral-$iStartGeneral);
}
}
?>