File: /var/www/ilya/data/www/irkboard.ru/admin/sources/classes/class_taskmanager.php
<?php
/**
* Invision Power Services
* IP.Board v3.0.1
* Task Manager Library
*
* @author $Author: matt $
* @copyright (c) 2001 - 2009 Invision Power Services, Inc.
* @license http://www.invisionpower.com/community/board/license.html
* @package Invision Power Board
* @link http://www.invisionpower.com
* @version $Rev: 4727 $
*
*/
if ( ! defined( 'IN_IPB' ) )
{
print "<h1>Incorrect access</h1>You cannot access this file directly.";
exit();
}
class class_taskmanager
{
/**
* Type of task
*
* @access protected
* @var string
*/
public $type = 'internal';
/**
* Current timestamp
*
* @access protected
* @var integer
*/
protected $time_now = 0;
/**
* Date pieces
*
* @access protected
* @var array
*/
public $date_now = array();
/**
* Cron key
*
* @access protected
* @var string
*/
protected $cron_key = "";
/**
* Constructer
*
* @access public
* @param object ipsRegistry $registry
* @return void
*/
public function __construct( ipsRegistry $registry )
{
/* Setup Classes */
$this->registry = $registry;
$this->lang = $this->registry->getClass('class_localization');
$this->DB = $this->registry->DB();
$this->cache = $this->registry->cache();
$this->caches =& $this->registry->cache()->fetchCaches();
/* Setup Timestamps */
$this->time_now = time();
$this->date_now['minute'] = intval( gmdate( 'i', $this->time_now ) );
$this->date_now['hour'] = intval( gmdate( 'H', $this->time_now ) );
$this->date_now['wday'] = intval( gmdate( 'w', $this->time_now ) );
$this->date_now['mday'] = intval( gmdate( 'd', $this->time_now ) );
$this->date_now['month'] = intval( gmdate( 'm', $this->time_now ) );
$this->date_now['year'] = intval( gmdate( 'Y', $this->time_now ) );
/* Attempt to reset timeout */
if ( @function_exists("set_time_limit") == 1 and SAFE_MODE_ON == 0 )
{
@set_time_limit(0);
}
}
/**
* Run a task
*
* @access public
* @return void
*/
public function runTask()
{
if ( ( ipsRegistry::$request['ck'] ) AND ipsRegistry::$request['ck'] )
{
$this->type = 'cron';
$this->cron_key = substr( trim(stripslashes(IPSText::alphanumericalClean(ipsRegistry::$request['ck']))), 0, 32 );
}
if ( $this->type == 'internal' )
{
//-----------------------------------------
// Loaded by our image...
// ... get next job
//-----------------------------------------
$this_task = $this->DB->buildAndFetch( array( 'select' => '*',
'from' => 'task_manager',
'where' => 'task_enabled = 1 AND task_next_run <= '.$this->time_now,
'order' => 'task_next_run ASC',
'limit' => array(0,1)
) );
}
else
{
//-----------------------------------------
// Cron.. load from cron key
//-----------------------------------------
$this_task = $this->DB->buildAndFetch( array( 'select' => '*',
'from' => 'task_manager',
'where' => "task_cronkey='".$this->cron_key."'",
) );
}
if ( $this_task['task_id'] )
{
//-----------------------------------------
// Locked?
//-----------------------------------------
if ( $this_task['task_locked'] > 0 )
{
# Yes - now, how long has it been locked for?
# If longer than 30 mins, unlock as something
# has gone wrong.
if ( $this_task['task_locked'] < time() - 1800 )
{
$newdate = $this->generateNextRun($this_task);
$this->DB->update( 'task_manager', array( 'task_next_run' => $newdate, 'task_locked' => 0 ), "task_id=".$this_task['task_id'] );
$this->saveNextRunStamp();
}
# Cancel and return
return;
}
//-----------------------------------------
// Got it, now update row, lock and run..
//-----------------------------------------
$newdate = $this->generateNextRun($this_task);
$this->DB->update( 'task_manager', array( 'task_next_run' => $newdate, 'task_locked' => time() ), "task_id=".$this_task['task_id'] );
$this->saveNextRunStamp();
if ( file_exists( IPSLib::getAppDir( $this_task['task_application'] ) . '/tasks/' . $this_task['task_file'] ) )
{
require_once( IPSLib::getAppDir( $this_task['task_application'] ) . '/tasks/' . $this_task['task_file'] );
$myobj = new task_item( $this->registry, $this, $this_task );
$myobj->runTask();
//-----------------------------------------
// Any shutdown queries
//-----------------------------------------
$this->DB->return_die = 0;
if ( count( $this->DB->obj['shutdown_queries'] ) )
{
foreach( $this->DB->obj['shutdown_queries'] as $q )
{
$this->DB->query( $q );
}
}
$this->DB->return_die = 1;
$this->DB->obj['shutdown_queries'] = array();
}
}
}
/**
* Unlock a task
*
* @access public
* @param mixed Task array|Task id
* @return boolean
*/
public function unlockTask( $task )
{
if( is_array($task) AND count($task) )
{
if ( !isset($task['task_id']) OR !$task['task_id'] )
{
return false;
}
$task_id = $task['task_id'];
}
else if( intval($task) > 0 )
{
$task_id = intval($task);
}
else
{
return false;
}
$this->DB->update( 'task_manager', array( 'task_locked' => 0 ), 'task_id=' . $task_id );
return true;
}
/**
* Update the task's next run timestamp
*
* @access public
* @return void
*/
public function saveNextRunStamp()
{
/* Query the task rund ate */
$this_task = $this->DB->buildAndFetch( array( 'select' => 'task_next_run', 'from' => 'task_manager', 'where' => 'task_enabled = 1', 'order' => 'task_next_run ASC', 'limit' => array(0,1) ) );
/* Get the cache */
$task_cache = $this->caches['systemvars'];
/* Fail safe */
if ( ! $this_task['task_next_run'] )
{
$this_task['task_next_run'] = $this->time_now + 3600;
}
/* Set new date */
$task_cache['task_next_run'] = $this_task['task_next_run'];
/* Save Cache */
ipsRegistry::cache()->setCache( 'systemvars', $task_cache, array( 'array' => 1, 'donow' => 1, 'deletefirst' => 0 ) );
}
/**
* Generate the next run timestamp
*
* @access public
* @param array Task data
* @return int Next run timestamp
*/
public function generateNextRun($task=array())
{
//-----------------------------------------
// Did we set a day?
//-----------------------------------------
$day_set = 1;
$min_set = 1;
$day_increment = 0;
$this->run_day = $this->date_now['wday'];
$this->run_minute = $this->date_now['minute'];
$this->run_hour = $this->date_now['hour'];
$this->run_month = $this->date_now['month'];
$this->run_year = $this->date_now['year'];
if ( $task['task_week_day'] == -1 and $task['task_month_day'] == -1 )
{
$day_set = 0;
}
if ( $task['task_minute'] == -1 )
{
$min_set = 0;
}
if ( $task['task_week_day'] == -1 )
{
if ( $task['task_month_day'] != -1 )
{
$this->run_day = $task['task_month_day'];
$day_increment = 'month';
}
else
{
$this->run_day = $this->date_now['mday'];
$day_increment = 'anyday';
}
}
else
{
//-----------------------------------------
// Calc. next week day from today
//-----------------------------------------
$this->run_day = $this->date_now['mday'] + ( $task['task_week_day'] - $this->date_now['wday'] );
$day_increment = 'week';
}
//-----------------------------------------
// If the date to run next is less
// than today, best fetch the next
// time...
//-----------------------------------------
if ( $this->run_day < $this->date_now['mday'] )
{
switch ( $day_increment )
{
case 'month':
$this->_addMonth();
break;
case 'week':
$this->_addDay(7);
break;
default:
$this->_addDay();
break;
}
}
//-----------------------------------------
// Sort out the hour...
//-----------------------------------------
if ( $task['task_hour'] == -1)
{
$this->run_hour = $this->date_now['hour'];
}
else
{
//-----------------------------------------
// If ! min and ! day then it's
// every X hour
//-----------------------------------------
if ( ! $day_set and ! $min_set )
{
$this->_addHour( $task['task_hour'] );
}
else
{
$this->run_hour = $task['task_hour'];
}
}
//-----------------------------------------
// Can we run the minute...
//-----------------------------------------
if ( $task['task_minute'] == -1 )
{
$this->_addMinute();
}
else
{
if ( $task['task_hour'] == -1 and ! $day_set )
{
//-----------------------------------------
// Runs every X minute..
//-----------------------------------------
$this->_addMinute($task['task_minute']);
}
else
{
//-----------------------------------------
// runs at hh:mm
//-----------------------------------------
$this->run_minute = $task['task_minute'];
}
}
if ( $this->run_hour <= $this->date_now['hour'] and $this->run_day == $this->date_now['mday'] )
{
if ( $task['task_hour'] == -1 )
{
//-----------------------------------------
// Every hour...
//-----------------------------------------
if ( $this->run_hour == $this->date_now['hour'] and $this->run_minute <= $this->date_now['min'] )
{
$this->_addHour();
}
}
else
{
//-----------------------------------------
// Every X hour, try again in x hours
//-----------------------------------------
if ( ! $day_set and ! $min_set )
{
$this->_addHour($task['task_hour'] );
}
//-----------------------------------------
// Specific hour, try tomorrow
//-----------------------------------------
else if ( ! $day_set )
{
$this->_addDay();
}
else
{
//-----------------------------------------
// Oops, specific day...
//-----------------------------------------
switch ( $day_increment )
{
case 'month':
$this->_addMonth();
break;
case 'week':
$this->_addDay(7);
break;
default:
$this->_addDay();
break;
}
}
}
}
//-----------------------------------------
// Return stamp...
//-----------------------------------------
$next_run = gmmktime( $this->run_hour, $this->run_minute, 0, $this->run_month, $this->run_day, $this->run_year );
return $next_run;
}
/**
* Add to the log file
*
* @access public
* @param array Task data
* @param string Description to add to the log file
* @return void
*/
public function appendTaskLog( $task, $desc )
{
if ( ! $task['task_log'] )
{
return;
}
$save = array( 'log_title' => $task['task_title'],
'log_date' => time(),
'log_ip' => my_getenv('REMOTE_ADDR'),
'log_desc' => $desc
);
$this->DB->insert( 'task_logs', $save );
}
/**
* Add a month to the next run timestamp
*
* @access protected
* @return void
*/
protected function _addMonth()
{
if ($this->date_now['month'] == 12)
{
$this->run_month = 1;
$this->run_year++;
}
else
{
$this->run_month++;
}
}
/**
* Add a day to the next run timestamp
*
* @access protected
* @param integer Number of days to add
* @return void
*/
protected function _addDay($days=1)
{
if ( $this->date_now['mday'] >= ( gmdate( 't', $this->time_now ) - $days ) )
{
$this->run_day = ($this->date_now['mday'] + $days) - date( 't', $this->time_now );
$this->_addMonth();
}
else
{
$this->run_day += $days;
}
}
/**
* Add an hour to the next run timestamp
*
* @access protected
* @param integer Number of hours to add
* @return void
*/
protected function _addHour($hour=1)
{
if ($this->date_now['hour'] >= (24 - $hour ) )
{
$this->run_hour = ($this->date_now['hour'] + $hour) - 24;
$this->_addDay();
}
else
{
$this->run_hour += $hour;
}
}
/**
* Add a minute to the next run timestamp
*
* @access protected
* @param integer Number of minutes to add
* @return void
*/
protected function _addMinute($mins=1)
{
if ( $this->date_now['minute'] >= (60 - $mins) )
{
$this->run_minute = ( $this->date_now['minute'] + $mins ) - 60;
$this->_addHour();
}
else
{
$this->run_minute += $mins;
}
}
}