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Current File : /var/www/html/clients/amz.e-nk.ru/bitrix/modules/main/classes/mysql/agent.php

<?
/*
##############################################
# Bitrix Site Manager                        #
# Copyright (c) 2002-2007 Bitrix             #
# http://www.bitrixsoft.com                  #
# mailto:admin@bitrixsoft.com                #
##############################################
*/
require($_SERVER["DOCUMENT_ROOT"].BX_ROOT."/modules/main/classes/general/agent.php");

class CAgent extends CAllAgent
{
	function CheckAgents()
	{
		global $DB, $DOCUMENT_ROOT;

		$uniq = COption::GetOptionString("main", "server_uniq_id", "");
		if(strlen($uniq)<=0)
		{
			$uniq = md5(uniqid(rand(), true));
			COption::SetOptionString("main", "server_uniq_id", $uniq);
		}

		$agents_use_crontab	= COption::GetOptionString("main", "agents_use_crontab", "N");
		$str_crontab = "";
		if($agents_use_crontab=="Y" || (defined("BX_CRONTAB_SUPPORT") && BX_CRONTAB_SUPPORT===true))
		{
			if(defined("BX_CRONTAB") && BX_CRONTAB===true)
				$str_crontab = " AND IS_PERIOD='N' ";
			else
				$str_crontab = " AND IS_PERIOD='Y' ";
		}

		if(CACHED_b_agent!==false)
		{
			if(file_exists($_SERVER["DOCUMENT_ROOT"].BX_PERSONAL_ROOT."/managed_cache/".$DB->type."/b_agent"))
			{
				include($_SERVER["DOCUMENT_ROOT"].BX_PERSONAL_ROOT."/managed_cache/".$DB->type."/b_agent");
				if(time()<$saved_time)
					return "";
			}
		}

		$strSql = "SELECT 'x' FROM b_agent ".
			"WHERE ACTIVE='Y' AND NEXT_EXEC<=now() ".
			"	AND (DATE_CHECK IS NULL OR DATE_CHECK<=now()) ".
			$str_crontab.
			"LIMIT 1";

		$db_result_agents = $DB->Query($strSql);
		if($db_result_agents->Fetch())
		{
			$db_lock = $DB->Query("SELECT GET_LOCK('".$uniq."_agent', 0) as L");
			$ar_lock = $db_lock->Fetch();
			if($ar_lock["L"]=="0")
				return "";
		}
		else
		{
			if(CACHED_b_agent!==false)
			{
				$fp = @fopen($_SERVER["DOCUMENT_ROOT"].BX_PERSONAL_ROOT."/managed_cache/".$DB->type."/b_agent", "w");
				if($fp)
				{
					$rs = $DB->Query("SELECT UNIX_TIMESTAMP(MIN(NEXT_EXEC))-UNIX_TIMESTAMP(NOW()) DATE_DIFF FROM b_agent WHERE ACTIVE='Y'");
					$ar = $rs->Fetch();
					if(!$ar || $ar["DATE_DIFF"]<0)
						$date_diff = 0;
					elseif($ar["DATE_DIFF"]>CACHED_b_agent)
						$date_diff = CACHED_b_agent;
					else
						$date_diff = $ar["DATE_DIFF"];
					fputs($fp, "<?php \$saved_time=".intval(time()+$date_diff).";?>");
					fclose($fp);
				}
			}
			return "";
		}

		//$DB->LockTables("b_agent WRITE");
		$strSql=
			"SELECT ID, NAME, AGENT_INTERVAL, IS_PERIOD, MODULE_ID ".
			"FROM b_agent ".
			"WHERE ACTIVE='Y' ".
			"	AND NEXT_EXEC<=now() ".
			"	AND (DATE_CHECK IS NULL OR DATE_CHECK<=now()) ".
			$str_crontab.
			" ORDER BY SORT desc";

		$db_result_agents = $DB->Query($strSql);
		$i = 0;
		while($db_result_agents_array = $db_result_agents->Fetch())
 		{
			if($i==0)
			{
				@set_time_limit(0);
				ignore_user_abort(true);
				$i=1;
			}
			$agents_array[] = $db_result_agents_array;
			$strSql="UPDATE b_agent SET DATE_CHECK=DATE_ADD(IF(DATE_CHECK IS NULL, now(), DATE_CHECK), INTERVAL 600 SECOND) WHERE ID=".$db_result_agents_array["ID"];
			$DB->Query($strSql);
		}
		//$DB->UnLockTables();
		$DB->Query("SELECT RELEASE_LOCK('".$uniq."_agent')");

		for($i=0; $i<count($agents_array); $i++)
		{
			$arAgent = $agents_array[$i];

			@set_time_limit(0);

			if(strlen($arAgent["MODULE_ID"])>0 && $arAgent["MODULE_ID"]!="main")
			{
				if(!CModule::IncludeModule($arAgent["MODULE_ID"]))
					continue;
			}

			//ýòè ïåðåìåííûå ìîãóò èçìåíèòüñÿ â âûçûâàåìîé ôóíêöèè
			$pPERIOD = $arAgent["AGENT_INTERVAL"];

			global $USER;
			unset($USER);
			$eval_result="";
			eval("\$eval_result=".$arAgent["NAME"]);
			unset($USER);

			if(strlen($eval_result)<=0)
			{
				$strSql="DELETE FROM b_agent WHERE ID=".$arAgent["ID"];
			}
			else
			{
				if($arAgent["IS_PERIOD"]=="Y")
					$strSql="UPDATE b_agent SET NAME='".$DB->ForSQL($eval_result, 2000)."', LAST_EXEC=now(), NEXT_EXEC=DATE_ADD(NEXT_EXEC, INTERVAL ".$pPERIOD." SECOND), DATE_CHECK=NULL WHERE ID=".$arAgent["ID"];
				else
					$strSql="UPDATE b_agent SET NAME='".$DB->ForSQL($eval_result, 2000)."', LAST_EXEC=now(), NEXT_EXEC=DATE_ADD(now(), INTERVAL ".$pPERIOD." SECOND), DATE_CHECK=NULL WHERE ID=".$arAgent["ID"];
			}
			$DB->Query($strSql);
		}
	}
}
?>