Warning: chmod(): Operation not permitted in /var/www/hopeinstoughton_www/wp-content/plugins/simple-universal-google-analytics/main.php on line 8
[0] in function chmod in /var/www/hopeinstoughton_www/wp-content/plugins/simple-universal-google-analytics/main.php on line 8
[1] in function include_once in /var/www/hopeinstoughton_www/wp-settings.php on line 560
[2] in function require_once in /var/www/hopeinstoughton_www/wp-config.php on line 85
[3] in function require_once in /var/www/hopeinstoughton_www/wp-load.php on line 50
[4] in function require_once in /var/www/hopeinstoughton_www/wp-blog-header.php on line 13
[5] in function require in /var/www/hopeinstoughton_www/index.php on line 17

<?php
//  drip feed barcode data to calling xml application - AJAX?

	include './inc/include.php';
	//header('Content-type: text/plain');
	$remote = isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '' ;
	if (function_exists('posix_getpid')) {
		$processid = posix_getpid();
	} elseif (function_exists('win32_ps_stat_proc')) {
		$info = win32_ps_stat_proc();
		$processid = $info['pid'];
	} else {
		die('cannot retrieve process id');
	}
	$dremote = $DATABASE->formatString($remote);
	$sql = "select * from dt_process where ipaddress=$dremote and processid=$processid";
	$DATABASE->Open();
	$DATA = $DATABASE->Lookup($sql, 'dt_process');
	DatabaseError();
	if (!$DATA['__existing']) {
		$DATA['ipaddress'] = $remote;
		$DATA['processid'] = $processid;
		$DATA['message'] = '';
	}
	$DATA['creation'] = gmdate('Y-m-d H:i:s');
	$DATABASE->SaveRecord($DATA);
	DatabaseError();
	$DATABASE->Close();

	//ob_start();
	set_time_limit(10);
	
// wait for an event to occur,

	$linux = function_exists('pcntl_signal');
	if ($linux) {
		declare(ticks = 1);
		pcntl_signal(SIGUSR1, '__sig_handler');
	}
	$RUNNING = 1;
	$expire = time() + 10 * 60;	// expire in 3 hours
	do {
		if ($linux) {
			usleep(100000); // wait for .1 seconds
		} else {
			usleep(200000); // wait for .2 seconds
			if (file_exists("$BASE/lockfile.$processid.tmp")) {
				unlink("$BASE/lockfile.$processid.tmp");
				_DisplayMessage();
			}
		}
		if (time() > $expire) $RUNNING = 0;
	} while ($RUNNING);

	$DATABASE->Open();
	$DATABASE->Query("delete from dt_process where ipaddress=$dremote and processid=$processid", '', 0);
	$DATABASE->Close();
	//ob_end_flush();
	exit;
	
	function _DisplayMessage() {
		global $DATABASE, $remote, $processid, $RUNNING;
		$dremote = $DATABASE->formatString($remote);
		$sql = "select message from dt_process where ipaddress=$dremote and processid=$processid";
		$DATABASE->Open();
		$DATA = $DATABASE->Lookup($sql, 'dt_process');
		if ($DATA['__existing']) {
			echo "{$DATA['message']}\n";
			if ($DATA['message'] == 'QUIT') $RUNNING = 0;
			ob_flush();
			flush();
		}
		$DATABASE->Close();
	}
	
	function __sig_handler($signo) {
		if ($signo == SIGUSR1) _DisplayMessage();
	}
	
?>