pfSense

#!/usr/local/bin/php

<?php

/* $Id$ */

/*

	status_queues.php

        Part of the pfSense project

	Copyright (C) 2004, 2005 Scott Ullrich

	Copyright (C) 2009 Ermal Luçi

        Copyright (C) 2013-2014 Electric Sheep Fencing, LP

	All rights reserved.

	Redistribution and use in source and binary forms, with or without

	modification, are permitted provided that the following conditions are met:

	1. Redistributions of source code must retain the above copyright notice,

	   this list of conditions and the following disclaimer.

	2. Redistributions in binary form must reproduce the above copyright

	   notice, this list of conditions and the following disclaimer in the

	   documentation and/or other materials provided with the distribution.

	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,

	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY

	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE

	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,

	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

	POSSIBILITY OF SUCH DAMAGE.

*/

/*	

	pfSense_BUILDER_BINARIES:	/sbin/pfctl

	pfSense_MODULE:	shaper

*/

##|+PRIV

##|*IDENT=page-status-trafficshaper-queues

##|*NAME=Status: Traffic shaper: Queues page

##|*DESCR=Allow access to the 'Status: Traffic shaper: Queues' page.

##|*MATCH=status_queues.php*

##|-PRIV

header("Last-Modified: " . gmdate( "D, j M Y H:i:s" ) . " GMT" );

header("Expires: " . gmdate( "D, j M Y H:i:s", time() ) . " GMT" );

header("Cache-Control: no-store, no-cache, must-revalidate" ); // HTTP/1.1

header("Cache-Control: post-check=0, pre-check=0", FALSE );

header("Pragma: no-cache"); // HTTP/1.0

require("guiconfig.inc");

class QueueStats {

	public $queuename;

	public $queuelength;	

	public $pps;

	public $bandwidth;

	public $borrows;

	public $suspends;

	public $drops;

}

if (!file_exists("{$g['varrun_path']}/qstats.pid") || !isvalidpid("{$g['varrun_path']}/qstats.pid")) {

	/* Start in the background so we don't hang up the GUI */	

	mwexec_bg("/usr/local/sbin/qstats -p {$g['varrun_path']}/qstats.pid");

	/* Give it a moment to start up */

	sleep(1);

}

$fd = @fsockopen("unix://{$g['varrun_path']}/qstats");

 if (!$fd) {

	$error = "Something wrong happened during comunication with stat gathering";

} else {

	$stats = "";

	while(!feof($fd))

		$stats .= fread($fd, 4096);

	fclose($fd);

	@file_put_contents("{$g['tmp_path']}/qstats", $stats);

	$altqstats = @parse_xml_config("{$g['tmp_path']}/qstats", array("altqstats"));

	if ($altqstats == -1)

		$error = "No queue statistics could be read.";

}

if ($_REQUEST['getactivity']) {	

	$statistics = array();

	$bigger_stat = 0;

	$stat_type = $_REQUEST['stats'];

	/* build the queue stats. */

	foreach($altqstats['queue'] as $q) {

		statsQueues($q);

	}

	/* calculate the bigger amount of packets or bandwidth being moved through all queues. */

	if ($stat_type == "0")

	{

		foreach($statistics as $q) {

			if ($bigger_stat < $q->pps)

				$bigger_stat = $q->pps;

		}

	}

	else

	{

		foreach($statistics as $q) {

			if ($bigger_stat < $q->bandwidth)

				$bigger_stat = $q->bandwidth;

		}

	}	

	$finscript = "";

	foreach($statistics as $q) {

		if ($stat_type == "0")

			$packet_s = round(150 * (1 - $q->pps / $bigger_stat), 0);

		else

			$packet_s = round(150 * (1 - $q->bandwidth / $bigger_stat), 0);

		if ($packet_s < 0) {$packet_s = 0;}

		$finscript .= "jQuery('#queue{$q->queuename}widthb').width('{$packet_s}');";

		$finscript .= "jQuery('#queue{$q->queuename}widtha').width('" . (150 - $packet_s) . "');";

		$finscript .= "jQuery('#queue{$q->queuename}pps').val('" . number_format($q->pps,1) . "');";

		$finscript .= "jQuery('#queue{$q->queuename}bps').val('" . format_bits($q->bandwidth) . "');";

		$finscript .= "jQuery('#queue{$q->queuename}borrows').val('{$q->borrows}');";

		$finscript .= "jQuery('#queue{$q->queuename}suspends').val('{$q->suspends}');";

		$finscript .= "jQuery('#queue{$q->queuename}drops').val('{$q->drops}');";

		$finscript .= "jQuery('#queue{$q->queuename}length').val('{$q->queuelength}');";

	}

	unset($statistics, $altqstats);

	header("Content-type: text/javascript");

	echo $finscript;

	exit;

}

$pgtitle = array(gettext("Status"),gettext("Traffic shaper"),gettext("Queues"));

$shortcut_section = "trafficshaper";

include("head.inc");

?>

<body link="#0000CC" vlink="#0000CC" alink="#0000CC">

<?php include("fbegin.inc"); ?>

<?php

if(!is_array($config['shaper']['queue']) || count($config['shaper']['queue']) < 1) {

	echo gettext("Traffic shaping is not configured.");

	include("fend.inc");

	echo "</body></html>";

	exit;}

?>

<?php if (!$error): ?>

<form action="status_queues.php" method="post">

<script type="text/javascript">

//<![CDATA[

	function getqueueactivity() {

		var url = "/status_queues.php";

		var pars = "getactivity=yes&stats=" + jQuery("#selStatistic").val();

		jQuery.ajax(

			url,

			{

				type: 'post',

				data: pars,

				complete: activitycallback

			});

	}

	function activitycallback(transport) {

		setTimeout('getqueueactivity()', 5100);

	}

	jQuery(document).ready(function(){

		setTimeout('getqueueactivity()', 150);

	});

//]]>

</script>

<?php endif; ?>

<table width="100%" border="1" cellpadding="0" cellspacing="0" summary="status queues">

<?php if ($error): ?>

	<tr><td><?php echo $error; ?></td></tr>

<?php else: ?>

	<tr>

		<td class="listhdr"><?=gettext("Queue"); ?></td>

		<td class="listhdr">

			<?=gettext("Statistics"); ?>

			<select id="selStatistic">

				<option value="0">PPS</option>

				<option value="1">Bandwidth</option>

			</select>

		</td>

		<td class="listhdr" width="1%"><?=gettext("PPS"); ?></td>

		<td class="listhdr" width="1%"><?=gettext("Bandwidth"); ?></td>

		<td class="listhdr" width="1%"><?=gettext("Borrows"); ?></td>

		<td class="listhdr" width="1%"><?=gettext("Suspends"); ?></td>

		<td class="listhdr" width="1%"><?=gettext("Drops"); ?></td>

		<td class="listhdr" width="1%"><?=gettext("Length"); ?></td>		

	</tr>

	<?php 

	$if_queue_list = get_configured_interface_list_by_realif(false, true);

	processQueues($altqstats, 0, "")?>

<?php endif; ?>

</table>

<p>

	<strong><span class="red"><?=gettext("Note"); ?>:</span></strong><br />

	<?=gettext("Queue graphs take 5 seconds to sample data"); ?>.<br />

	<?=gettext("You can configure the Traffic Shaper"); ?> <a href="/firewall_shaper_wizards.php"><?=gettext("here"); ?></a>.

</p>

<script type="text/javascript">

//<![CDATA[

	function StatsShowHide(classname) {

    var firstrow = jQuery("." + classname).first();

    if (firstrow.is(':visible')) {

        jQuery("." + classname).hide();}

    else {

        jQuery("." + classname).show();}

	}

//]]>

</script>

</form>

<?php include("fend.inc"); ?>

</body>

</html>

<?php 

function processQueues($altqstats, $level, $parent_name){

	global $g;

	global $if_queue_list;

	$gray_value = 190 + $level * 10;

	if ($gray_value > 250) $gray_value = 255;

	$row_background = str_repeat(dechex($gray_value), 3);

	$parent_name = $parent_name . " queuerow" . $altqstats['name'] . $altqstats['interface'];

	$prev_if = $altqstats['interface'];

	foreach ($altqstats['queue'] as $q) {

		$if_name = "";

		foreach ($if_queue_list as $oif => $real_name) {

			if ($oif == $q['interface']) {

				$if_name = $real_name;

				break;

			}

		}

		if ($prev_if != $q['interface']) {

			echo "<tr><td colspan=\"8\" style=\"padding: 2px;\"><b>Interface ". htmlspecialchars(convert_real_interface_to_friendly_descr($q['interface'])) . "</b></td></tr>";

			$prev_if = $q['interface'];

		}

		?>

		<tr class="<?php echo $parent_name?>">

			<td bgcolor="#<?php echo $row_background?>" style="padding-left: <?php echo $level * 20?>px;">

				<font color="#000000">

					<?

					if (strstr($q['name'], "root_"))

						echo "<a href=\"firewall_shaper.php?interface={$if_name}&amp;queue={$if_name}&amp;action=show\">Root queue</a>";

					else

						echo "<a href=\"firewall_shaper.php?interface={$if_name}&amp;queue={$q['name']}&amp;action=show\">" . htmlspecialchars($q['name']) . "</a>";

					?>

				</font>

			</td>

			<?php

			$cpuUsage = 0;

			echo "<td class=\"nowrap\" width=\"1%\" bgcolor=\"#{$row_background}\">";

			echo "<img src='./themes/".$g['theme']."/images/misc/bar_left.gif' height='10' width='4' border='0' align='middle' alt='' />";

			echo "<img src='./themes/".$g['theme']."/images/misc/bar_blue.gif' height='10' name='queue{$q['name']}{$q['interface']}widtha' id='queue{$q['name']}{$q['interface']}widtha' width='" . $cpuUsage . "' border='0' align='middle' alt='" . htmlspecialchars($q['name']) . "' />";

			echo "<img src='./themes/".$g['theme']."/images/misc/bar_gray.gif' height='10' name='queue{$q['name']}{$q['interface']}widthb' id='queue{$q['name']}{$q['interface']}widthb' width='" . (150 - $cpuUsage) . "' border='0' align='middle' alt='" . htmlspecialchars($q['name']) . "' />";

			echo "<img src='./themes/".$g['theme']."/images/misc/bar_right.gif' height='10' width='5' border='0' align='middle' alt='' /> ";

			if (is_array($q['queue'])) {

				echo "<a href=\"#\" onclick=\"StatsShowHide('queuerow{$q['name']}{$q['interface']}');return false\">+/-</a> ";

			}

			echo " </td>";

			echo "<td width=\"1%\" bgcolor=\"#{$row_background}\"><input style='border: 0px solid white; background-color:#{$row_background}; color:#000000;width:70px;text-align:right;' size='10' name='queue{$q['name']}{$q['interface']}pps' id='queue{$q['name']}{$q['interface']}pps' value='(" . gettext("Loading") . ")' align='left' /></td>";

			echo "<td width=\"1%\" bgcolor=\"#{$row_background}\"><input style='border: 0px solid white; background-color:#{$row_background}; color:#000000;width:80px;text-align:right;' size='10' name='queue{$q['name']}{$q['interface']}bps' id='queue{$q['name']}{$q['interface']}bps' value='' align='right' /></td>";

			echo "<td width=\"1%\" bgcolor=\"#{$row_background}\"><input style='border: 0px solid white; background-color:#{$row_background}; color:#000000;width:70px;text-align:right;' size='10' name='queue{$q['name']}{$q['interface']}borrows' id='queue{$q['name']}{$q['interface']}borrows' value='' align='right' /></td>";

			echo "<td width=\"1%\" bgcolor=\"#{$row_background}\"><input style='border: 0px solid white; background-color:#{$row_background}; color:#000000;width:70px;text-align:right;' size='10' name='queue{$q['name']}{$q['interface']}suspends' id='queue{$q['name']}{$q['interface']}suspends' value='' align='right' /></td>";

			echo "<td width=\"1%\" bgcolor=\"#{$row_background}\"><input style='border: 0px solid white; background-color:#{$row_background}; color:#000000;width:70px;text-align:right;' size='10' name='queue{$q['name']}{$q['interface']}drops' id='queue{$q['name']}{$q['interface']}drops' value='' align='right' /></td>";

			echo "<td width=\"1%\" bgcolor=\"#{$row_background}\"><input style='border: 0px solid white; background-color:#{$row_background}; color:#000000;width:70px;text-align:right;' size='10' name='queue{$q['name']}{$q['interface']}length' id='queue{$q['name']}{$q['interface']}length' value='' align='right' /></td>";			

			?>

		</tr>

		<?php

		if (is_array($q['queue']))

			processQueues($q, $level + 1, $parent_name);

	};

}

function statsQueues($xml){

	global $statistics;

	$current = new QueueStats();

	$child = new QueueStats();

	$current->queuename = $xml['name'] . $xml['interface'];

	$current->queuelength = $xml['qlength'];		

	$current->pps = $xml['measured'];

	$current->bandwidth = $xml['measuredspeedint'];

	$current->borrows = intval($xml['borrows']);

	$current->suspends = intval($xml['suspends']);

	$current->drops = intval($xml['droppedpkts']);

	if (is_array($xml['queue'])) {

		foreach($xml['queue'] as $q) {

			$child = statsQueues($q);

			$current->pps += $child->pps;

			$current->bandwidth += $child->bandwidth;

			$current->borrows += $child->borrows;

			$current->suspends += $child->suspends;

			$current->drops += $child->drops;

		}

	}

	unset($child);

	$statistics[] = $current;

	return $current;

}

function format_bits($bits) {

	if ($bits >= 1000000000) {

		return sprintf("%.2f Gbps", $bits/1000000000);

	} else if ($bits >= 1000000) {

		return sprintf("%.2f Mbps", $bits/1000000);

	} else if ($bits >= 1000) {

		return sprintf("%.2f Kbps", $bits/1000);

	} else {

		return sprintf("%d bps", $bits);

	}

}

?>