function get_queued_tasks()
{
$qTask = mysql_query("SELECT id\n FROM control_task_queue\n WHERE control_unit_id = {$this->unit_id} AND\n start = 0\n ORDER BY id LIMIT 1") or die(mysql_error());
$tasks = array();
while ($task = mysql_fetch_object($qTask)) {
$tasks[] = QueuedTask::FromId($task->id);
}
return $tasks;
}
}
$etime = $reference - $ptime;
if ($etime < 1) {
return '0 seconds';
}
$interval = array(12 * 30 * 24 * 60 * 60 => 'year', 30 * 24 * 60 * 60 => 'month', 24 * 60 * 60 => 'day', 60 * 60 => 'hour', 60 => 'minute', 1 => 'second');
foreach ($interval as $secs => $str) {
$d = $etime / $secs;
if ($d >= 1) {
$r = round($d);
return $r . ' ' . $str . ($r > 1 ? 's' : '');
}
}
}
if ($task_id = GET_int("start")) {
$task = QueuedTask::FromId($task_id);
if ($task && $task->finish_time() == 0) {
$task->set_available_time(0);
}
}
echo "<table width='100%'>";
echo "<thead>";
echo "<th>Control unit id</th>";
echo "<th>Machine and mode";
echo "<th>Status";
echo "<th>Queue";
echo "<th>Last finished task";
echo "</thead>";
$qUnits = mysql_query("SELECT * FROM control_unit");
while ($unit = mysql_fetch_object($qUnits)) {
echo "<tr><td>" . $unit->id;
