<?php
require(dirname(__FILE__)."/config.php");
require_once(WWW_DIR."/lib/groups.php");
require_once(WWW_DIR."/lib/binaries.php");
require_once(WWW_DIR."/lib/powerprocess.php");
$time = TIME();

$groups = new Groups;
$groupList = $groups->getActive();
unset($groups);

$ps = new PowerProcess(5,0,false);
$ps->RegisterCallback('psUpdateComplete');
$ps->maxThreads = 5;
$ps->tickCount = 500000;	// value in usecs. change this to 1000000 (one second) to reduce cpu use
$ps->threadTimeLimit = 0;	// Disable child timeout

echo "Starting kevin123's threaded backfill process\n\n";

while ($ps->RunControlCode()) 
{
	// Start the parent loop
	if (count($groupList)) 
	{
		// We still have groups to process
		if ($ps->SpawnReady()) 
		{
			// Spawn another thread
			$ps->threadData = array_pop($groupList);
			echo "\n[Thread-MASTER] Spawning new thread.  Still have " . count($groupList) ." group(s) to update after this\n";
			$ps->spawnThread();
		} 
		else 
		{
			// There are no more slots available to run
			//$ps->tick();
			//echo "No threads avaialble.\n";
		}
	} 
	else 
	{
		// No more groups to process
		echo "\nNo more groups to process - Initiating shutdown\n";
		$ps->Shutdown();
		echo "\nShutdown complete\n";
		echo "\n\033[1;33m[Thread-MASTER] Kevin123's threaded backfill parts process completed in: " .relativeTime($time). "\n";
	}
}

unset($groupList);

if ($ps->RunThreadCode()) 
{
	$group = $ps->threadData;

	$thread = sprintf("%05d",$ps->GetPID());

	echo "\n[Thread-{$thread}] Begining backfill processing for group {$group['name']}\n";

	$param = $group['name'];

	$dir = dirname(__FILE__);
	$file = 'backfill_parts.php';

	$output = passthru("php {$dir}/{$file} {$param}");
	//$output = shell_exec("/usr/bin/php -c /etc/php5/cli/php.ini {$dir}/{$file} {$param}");

	echo "\n[Thread-{$thread}] Completed update for group {$group['name']}\n";
}

function relativeTime($_time) {
    $d[0] = array(1,"sec");
    $d[1] = array(60,"min");
    $d[2] = array(3600,"hr");
    $d[3] = array(86400,"day");
    $d[4] = array(31104000,"yr");

    $w = array();

    $return = "";
    $now = TIME();
    $diff = ($now-$_time);
    $secondsLeft = $diff;

    for($i=4;$i>-1;$i--)
    {
        $w[$i] = intval($secondsLeft/$d[$i][0]);
        $secondsLeft -= ($w[$i]*$d[$i][0]);
        if($w[$i]!=0)
        {
            //$return.= abs($w[$i]). " " . $d[$i][1] . (($w[$i]>1)?'s':'') ." ";
            $return.= $w[$i]. " " . $d[$i][1] . (($w[$i]>1)?'s':'') ." ";
        }
    }

    //$return .= ($diff>0)?"ago":"left";
    return $return;
}

// Exit to call back to parent - Let know that child has completed
exit(0);

// Create callback function
function psUpdateComplete()
{
        echo "\n\033[1;33mKevin123's threaded backfill parts process completed in: " .relativeTime($time). "\n";
}


?>