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#!/usr/local/bin/php
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<?php
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/*
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firewall_shaper_queues.php
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Copyright (C) 2004, 2005 Scott Ullrich
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All rights reserved.
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Originally part of m0n0wall (http://m0n0.ch/wall)
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Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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require("guiconfig.inc");
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if($_GET['reset'] <> "") {
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mwexec("killall -9 pfctl php");
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exit;
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}
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if (!is_array($config['shaper']['queue'])) {
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$config['shaper']['queue'] = array();
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}
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$a_queues = &$config['shaper']['queue'];
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$iflist = array("lan" => "LAN", "wan" => "WAN");
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for ($i = 1; isset($config['interfaces']['opt' . $i]); $i++) {
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$iflist['opt' . $i] = $config['interfaces']['opt' . $i]['descr'];
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}
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if ($_POST['apply'] || $_POST['submit']) {
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$config['shaper']['enable'] = true;
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write_config();
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$retval = 0;
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$savemsg = get_std_save_message($retval);
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/* Setup pf rules since the user may have changed the optimization value */
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//config_lock();
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$retval = filter_configure();
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//config_unlock();
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if(stristr($retval, "error") <> true)
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$savemsg = get_std_save_message($retval);
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else
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$savemsg = $retval;
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if(file_exists($d_shaperconfdirty_path))
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unlink($d_shaperconfdirty_path);
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}
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if ($_GET['act'] == "del") {
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if ($a_queues[$_GET['id']]) {
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/* check that no rule references this queue */
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if (is_array($config['shaper']['rule'])) {
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foreach ($config['shaper']['rule'] as $rule) {
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if (isset($rule['targetqueue']) && ($rule['targetqueue'] == $_GET['id'])) {
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$input_errors[] = "This queue cannot be deleted because it is still referenced by a rule.";
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break;
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}
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}
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}
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if (!$input_errors) {
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unset($a_queues[$_GET['id']]);
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/* renumber all rules */
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if (is_array($config['shaper']['rule'])) {
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for ($i = 0; isset($config['shaper']['rule'][$i]); $i++) {
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$currule = &$config['shaper']['rule'][$i];
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if (isset($currule['targetqueue']) && ($currule['targetqueue'] > $_GET['id']))
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$currule['targetqueue']--;
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}
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}
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write_config();
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touch($d_shaperconfdirty_path);
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header("Location: firewall_shaper_queues.php");
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exit;
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}
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}
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}
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?>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<title><?=gentitle("Firewall: Traffic shaper: Queues");?></title>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<link href="gui.css" rel="stylesheet" type="text/css">
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</head>
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<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
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<?php include("fbegin.inc"); ?>
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<p class="pgtitle">Firewall: Traffic shaper: Queues</p>
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<form action="firewall_shaper_queues.php" method="post">
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<?php if ($input_errors) print_input_errors($input_errors); ?>
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<?php if ($savemsg) print_info_box($savemsg); ?>
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<?php if (file_exists($d_shaperconfdirty_path)): ?><p>
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<?php print_info_box_np("The traffic shaper configuration has been changed.<br>You must apply the changes in order for them to take effect.");?><br>
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<input name="apply" type="submit" class="formbtn" id="apply" value="Apply changes"></p>
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<?php endif; ?>
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<table width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr><td>
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<ul id="tabnav">
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<li class="tabinact"><a href="firewall_shaper.php">Rules</a></li>
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<li class="tabact">Queues</a></li>
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<li class="tabinact"><a href="firewall_shaper_magic.php">Magic shaper wizard</a></li>
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</ul>
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</td></tr>
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<tr>
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<td class="tabcont">
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<table width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr>
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<td width="5%" class="listhdrr">No.</td>
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<td width="5%" class="listhdrr">Flags</td>
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<td width="5%" class="listhdrr">Priority</td>
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<td width="5%" class="listhdr">Default</td>
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<td width="70%" class="listhdr">Name</td>
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<td width="10%" class="list"></td>
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</tr>
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<?php $i = 0; foreach ($a_queues as $queue): ?>
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<tr valign="top">
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<td class="listlr">
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<?=($i+1);?>
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</td>
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<td class="listlr">
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<?php
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if($queue['red'] <> "") echo " RED";
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if($queue['ecn'] <> "") echo " ECN";
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if($queue['borrow'] <> "") echo " Borrow";
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?>
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</td>
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<td class="listr">
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<?=$queue['priority'];?>
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</td>
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<td class="listr">
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<?php
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if($queue['defaultqueue'] <> "") {
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echo "Yes";
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} else {
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echo "No";
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}
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?>
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</td>
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<td class="listbg">
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<font color="#FFFFFF"><?=htmlspecialchars($queue['name']);?>
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<br>
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<?php
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$cpuUsage = 0;
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echo "<img src='bar_left.gif' height='15' width='4' border='0' align='absmiddle'>";
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echo "<img src='bar_blue.gif' height='15' name='queue{$i}widtha' id='queue{$i}widtha' width='" . $cpuUsage . "' border='0' align='absmiddle'>";
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echo "<img src='bar_gray.gif' height='15' name='queue{$i}widthb' id='queue{$i}widthb' width='" . (100 - $cpuUsage) . "' border='0' align='absmiddle'>";
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echo "<nobr><img src='bar_right.gif' height='15' width='5' border='0' align='absmiddle'> ";
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echo "<input style='border: 0px solid white; background-color:#990000; color:#FFFFFF;' size='25' name='queue{$i}meter' id='queue{$i}meter' value='( Loading )'></nobr>";
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?>
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</td>
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<td valign="middle" nowrap class="list"> <a href="firewall_shaper_queues_edit.php?id=<?=$i;?>"><img src="e.gif" width="17" height="17" border="0"></a>
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<a href="firewall_shaper_queues.php?act=del&id=<?=$i;?>" onclick="return confirm('Do you really want to delete this queue?')"><img src="x.gif" width="17" height="17" border="0"></a></td>
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</tr>
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<?php $i++; endforeach; $total_queues = $i; ?>
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<tr>
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<td class="list" colspan="5"></td>
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<td class="list"> <a href="firewall_shaper_queues_edit.php"><img src="plus.gif" width="17" height="17" border="0"></a></td>
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</tr>
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</table>
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<p>
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<strong><span class="red">Note:</span></strong><strong><br></strong>
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1) A queue can only be deleted if it is not referenced by any rules.<br>
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2) Queue graphs take 5 seconds to sample data.
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</td>
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</p>
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</tr>
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</table>
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</form>
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<br><a href="firewall_shaper_queues.php?reset=true">Reset</a> queues if they do not load.
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<?php include("fend.inc"); ?>
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</body>
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</html>
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<?php
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sleep(3);
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$counter = 0;
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While(!Connection_Aborted()) {
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$stats_array = gather_altq_queue_stats(true);
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/* calculate total packets being moved through all queues. */
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$total_packets_s = 0;
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foreach($stats_array as $stats_line) {
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$stat_line_split = split("\|", $stats_line);
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$total_packets_s = $total_packets_s + intval($stat_line_split[2]);
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}
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$i = 0;
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foreach($stats_array as $stats_line) {
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if($stat_line_split[2] == "" and $counter > 1) {
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mwexec("/usr/bin/killall -9 pfctl php");
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exit;
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}
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$stat_line_split = split("\|", $stats_line);
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$packet_sampled = intval($stat_line_split[2]);
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$speed = $stat_line_split[1];
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$borrows = intval($stat_line_split[3]);
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echo "<script language='javascript'>\n";
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$packet_s = round(100 * (1 - $packet_sampled / $total_packets_s), 0);
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echo "document.queue{$i}widthb.style.width='{$packet_s}';\n";
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echo "document.queue{$i}widtha.style.width='" . (100 - $packet_s) . "';\n";
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$borrows_txt = "";
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if(intval($borrows > 0))
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$borrows_txt = " - {$borrows} borrows";
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echo "document.forms[0].queue{$i}meter.value = '" . $packet_sampled . "/pps - " . $speed . "{$borrows_txt}';\n";
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echo "</script>\n";
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$i++;
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}
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/*
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* prevent user from running out of ram.
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* firefox and ie can be a bear on ram usage!
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*/
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$counter++;
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if($counter > 40) {
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echo "Redirecting to <a href=\"firewall_shaper_queues.php\">Firewall Shaper Queues</a>.<p>";
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echo "<meta http-equiv=\"refresh\" content=\"1;url=firewall_shaper_queues.php\">";
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mwexec("/usr/bin/killall -9 pfctl");
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exit;
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}
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}
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mwexec("/usr/bin/killall -9 pfctl php");
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?>
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