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-<?php
-/*
- graph.php
- part of m0n0wall (http://m0n0.ch/wall)
-
- Copyright (C) 2013-2015 Electric Sheep Fencing, LP
- Copyright (C) 2004-2006 T. Lechat <dev@lechat.org>, Manuel Kasper <mk@neon1.net>
- and Jonathan Watt <jwatt@jwatt.org>.
- 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_MODULE: graph
-*/
-
-##|+PRIV
-##|*IDENT=page-diagnostics-interfacetraffic
-##|*NAME=Diagnostics: Interface Traffic page
-##|*DESCR=Allow access to the 'Diagnostics: Interface Traffic' page.
-##|*MATCH=graph.php*
-##|-PRIV
-
-require("globals.inc");
-require("guiconfig.inc");
-
-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-cache, no-store, must-revalidate"); // HTTP/1.1
-header("Pragma: no-cache"); // HTTP/1.0
-header("Content-type: image/svg+xml");
-
-/********** HTTP GET Based Conf ***********/
-$ifnum = @$_GET["ifnum"]; // BSD / SNMP interface name / number
-$ifnum = get_real_interface($ifnum);
-$ifname = @$_GET["ifname"]?$_GET["ifname"]:"Interface $ifnum"; //Interface name that will be showed on top right of graph
-
-/********* Other conf *******/
-if (isset($config["widgets"]["trafficgraphs"]["scale_type"])) {
- $scale_type = $config["widgets"]["trafficgraphs"]["scale_type"];
-} else {
- $scale_type = "up";
-}
-
-$nb_plot=120; //NB plot in graph
-if ($_GET["timeint"]) {
- $time_interval = $_GET["timeint"]; //Refresh time Interval
-} else {
- $time_interval = 3;
-}
-
-if ($_GET["initdelay"]) {
- $init_delay = $_GET["initdelay"]; //Initial Delay
-} else {
- $init_delay = 3;
-}
-
-//SVG attributes
-$attribs['axis']='fill="black" stroke="black"';
-$attribs['in']='fill="#FF0000" font-family="Tahoma, Verdana, Arial, Helvetica, sans-serif" font-size="7"';
-$attribs['out']='fill="#000000" font-family="Tahoma, Verdana, Arial, Helvetica, sans-serif" font-size="7"';
-$attribs['graph_in']='fill="none" stroke="#FF0000" stroke-opacity="0.8"';
-$attribs['graph_out']='fill="none" stroke="#000000" stroke-opacity="0.8"';
-$attribs['legend']='fill="black" font-family="Tahoma, Verdana, Arial, Helvetica, sans-serif" font-size="4"';
-$attribs['graphname']='fill="#FF0000" font-family="Tahoma, Verdana, Arial, Helvetica, sans-serif" font-size="8"';
-$attribs['grid_txt']='fill="gray" font-family="Tahoma, Verdana, Arial, Helvetica, sans-serif" font-size="6"';
-$attribs['grid']='stroke="gray" stroke-opacity="0.5"';
-$attribs['switch_unit']='fill="#FF0000" font-family="Tahoma, Verdana, Arial, Helvetica, sans-serif" font-size="4" text-decoration="underline"';
-$attribs['switch_scale']='fill="#FF0000" font-family="Tahoma, Verdana, Arial, Helvetica, sans-serif" font-size="4" text-decoration="underline"';
-$attribs['error']='fill="blue" font-family="Arial" font-size="4"';
-$attribs['collect_initial']='fill="gray" font-family="Tahoma, Verdana, Arial, Helvetica, sans-serif" font-size="4"';
-
-//Error text if we cannot fetch data : depends on which method is used
-$error_text = "Cannot get data about interface " . htmlspecialchars($ifnum);
-
-$height=100; //SVG internal height : do not modify
-$width=200; //SVG internal width : do not modify
-
-$fetch_link = "ifstats.php?if=" . htmlspecialchars($ifnum);
-
-/* check for custom theme colors */
-if (file_exists("/usr/local/www/themes/{$g['theme']}/graph.php")) {
- $themetxt = file_get_contents("/usr/local/www/themes/{$g['theme']}/graph.php");
- eval($themetxt);
-}
-
-/********* Graph DATA **************/
-print('<?xml version="1.0" encoding="UTF-8"?>' . "\n");?>
-<svg width="100%" height="100%" viewBox="0 0 <?=$width?> <?=$height?>" preserveAspectRatio="none" xml:space="preserve" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" onload="init(evt)">
- <g id="graph">
- <rect id="bg" x1="0" y1="0" width="100%" height="100%" fill="white"/>
- <line id="axis_x" x1="0" y1="0" x2="0" y2="100%" <?=$attribs['axis']?>/>
- <line id="axis_y" x1="0" y1="100%" x2="100%" y2="100%" <?=$attribs['axis']?>/>
- <path id="graph_out" d="M0 <?=$height?> L 0 <?=$height?>" <?=$attribs['graph_out']?>/>
- <path id="graph_in" d="M0 <?=$height?> L 0 <?=$height?>" <?=$attribs['graph_in']?>/>
- <path id="grid" d="M0 <?=$height/4*1?> L <?=$width?> <?=$height/4*1?> M0 <?=$height/4*2?> L <?=$width?> <?=$height/4*2?> M0 <?=$height/4*3?> L <?=$width?> <?=$height/4*3?>" <?=$attribs['grid']?>/>
- <text id="grid_txt1" x="<?=$width?>" y="<?=$height/4*1?>" <?=$attribs['grid_txt']?> text-anchor="end"> </text>
- <text id="grid_txt2" x="<?=$width?>" y="<?=$height/4*2?>" <?=$attribs['grid_txt']?> text-anchor="end"> </text>
- <text id="grid_txt3" x="<?=$width?>" y="<?=$height/4*3?>" <?=$attribs['grid_txt']?> text-anchor="end"> </text>
- <text id="graph_in_lbl" x="5" y="8" <?=$attribs['in']?>><?=gettext("In"); ?></text>
- <text id="graph_out_lbl" x="5" y="16" <?=$attribs['out']?>><?=gettext("Out"); ?></text>
- <text id="graph_in_txt" x="20" y="8" <?=$attribs['in']?>> </text>
- <text id="graph_out_txt" x="20" y="16" <?=$attribs['out']?>> </text>
- <text id="ifname" x="<?=$width?>" y="8" <?=$attribs['graphname']?> text-anchor="end"><?=htmlspecialchars($ifname)?></text>
- <text id="switch_unit" x="<?=$width*0.55?>" y="5" <?=$attribs['switch_unit']?>><?=gettext("Switch to bytes/s"); ?></text>
- <text id="switch_scale" x="<?=$width*0.55?>" y="11" <?=$attribs['switch_scale']?>><?=gettext("AutoScale"); ?> (<?=$scale_type?>)</text>
- <text id="date" x="<?=$width*0.33?>" y="5" <?=$attribs['legend']?>> </text>
- <text id="time" x="<?=$width*0.33?>" y="11" <?=$attribs['legend']?>> </text>
- <text id="graphlast" x="<?=$width*0.55?>" y="17" <?=$attribs['legend']?>><?=gettext("Graph shows last"); ?> <?=$time_interval*$nb_plot?> <?=gettext("seconds"); ?></text>
- <polygon id="axis_arrow_x" <?=$attribs['axis']?> points="<?=($width) . "," . ($height)?> <?=($width-2) . "," . ($height-2)?> <?=($width-2) . "," . $height?>"/>
- <text id="error" x="<?=$width*0.5?>" y="<?=$height*0.5?>" visibility="hidden" <?=$attribs['error']?> text-anchor="middle"><?=$error_text?></text>
- <text id="collect_initial" x="<?=$width*0.5?>" y="<?=$height*0.5?>" visibility="hidden" <?=$attribs['collect_initial']?> text-anchor="middle"><?=gettext("Collecting initial data, please wait"); ?>...</text>
- </g>
- <script type="text/ecmascript">
- <![CDATA[
-
-/**
- * getURL is a proprietary Adobe function, but it's simplicity has made it very
- * popular. If getURL is undefined we spin our own by wrapping XMLHttpRequest.
- */
-if (typeof getURL == 'undefined') {
- getURL = function(url, callback) {
- if (!url) {
- throw '<?=gettext("No URL for getURL"); ?>';
- }
-
- try {
- if (typeof callback.operationComplete == 'function') {
- callback = callback.operationComplete;
- }
- } catch (e) {}
- if (typeof callback != 'function') {
- throw '<?=gettext("No callback function for getURL"); ?>';
- }
-
- var http_request = null;
- if (typeof XMLHttpRequest != 'undefined') {
- http_request = new XMLHttpRequest();
- } else if (typeof ActiveXObject != 'undefined') {
- try {
- http_request = new ActiveXObject('Msxml2.XMLHTTP');
- } catch (e) {
- try {
- http_request = new ActiveXObject('Microsoft.XMLHTTP');
- } catch (e) {}
- }
- }
- if (!http_request) {
- throw '<?=gettext("Both getURL and XMLHttpRequest are undefined"); ?>';
- }
-
- http_request.onreadystatechange = function() {
- if (http_request.readyState == 4) {
- callback( { success : true,
- content : http_request.responseText,
- contentType : http_request.getResponseHeader("Content-Type") } );
- }
- }
- http_request.open('GET', url, true);
- http_request.send(null);
- }
-}
-
-var SVGDoc = null;
-var last_ifin = 0;
-var last_ifout = 0;
-var last_ugmt = 0;
-var max = 0;
-var plot_in = new Array();
-var plot_out = new Array();
-
-var max_num_points = <?=$nb_plot?>; // maximum number of plot data points
-var step = <?=$width?> / max_num_points ;
-var unit = 'bits';
-var scale_type = '<?=$scale_type?>';
-
-function init(evt) {
- SVGDoc = evt.target.ownerDocument;
- SVGDoc.getElementById("switch_unit").addEventListener("mousedown", switch_unit, false);
- SVGDoc.getElementById("switch_scale").addEventListener("mousedown", switch_scale, false);
-
- fetch_data();
-}
-
-function switch_unit(event) {
- SVGDoc.getElementById('switch_unit').firstChild.data = '<?=gettext("Switch to"); ?> ' + unit + '/s';
- unit = (unit == 'bits') ? 'bytes' : 'bits';
-}
-
-function switch_scale(event) {
- scale_type = (scale_type == 'up') ? '<?=gettext("follow"); ?>' : '<?=gettext("up"); ?>';
- SVGDoc.getElementById('switch_scale').firstChild.data = 'AutoScale (' + scale_type + ')';
-}
-
-function fetch_data() {
- getURL('<?=$fetch_link?>', plot_data);
-}
-
-function plot_data(obj) {
- // Show datetimelegend
- var now = new Date();
- var time = LZ(now.getHours()) + ":" + LZ(now.getMinutes()) + ":" + LZ(now.getSeconds());
- SVGDoc.getElementById('time').firstChild.data = time;
- var date = (now.getMonth()+1) + "/" + now.getDate() + "/" + now.getFullYear();
- SVGDoc.getElementById('date').firstChild.data = date;
-
- if (!obj.success) {
- return handle_error(); // getURL failed to get data
- }
-
- var t = obj.content.split("|");
- var ugmt = parseFloat(t[0]); // ugmt is an unixtimestamp style
- var ifin = parseInt(t[1], 10); // number of bytes received by the interface
- var ifout = parseInt(t[2], 10); // number of bytes sent by the interface
- var scale;
-
- if (!isNumber(ifin) || !isNumber(ifout)) {
- return handle_error();
- }
-
- var diff_ugmt = ugmt - last_ugmt;
- var diff_ifin = ifin - last_ifin;
- var diff_ifout = ifout - last_ifout;
-
- if (diff_ugmt == 0) {
- diff_ugmt = 1; /* avoid division by zero */
- }
-
- last_ugmt = ugmt;
- last_ifin = ifin;
- last_ifout = ifout;
- var graphTimerId = 0;
- switch (plot_in.length) {
- case 0:
- SVGDoc.getElementById("collect_initial").setAttributeNS(null, 'visibility', 'visible');
- plot_in[0] = diff_ifin / diff_ugmt;
- plot_out[0] = diff_ifout / diff_ugmt;
- setTimeout('fetch_data()', <?=1000*($time_interval + $init_delay)?>);
- return;
- case 1:
- SVGDoc.getElementById("collect_initial").setAttributeNS(null, 'visibility', 'hidden');
- break;
- case max_num_points:
- // shift plot to left if the maximum number of plot points has been reached
- var i = 0;
- while (i < max_num_points) {
- plot_in[i] = plot_in[i+1];
- plot_out[i] = plot_out[++i];
- }
- plot_in.length--;
- plot_out.length--;
- }
-
- plot_in[plot_in.length] = diff_ifin / diff_ugmt;
- plot_out[plot_out.length]= diff_ifout / diff_ugmt;
- var index_plot = plot_in.length - 1;
-
- SVGDoc.getElementById('graph_in_txt').firstChild.data = formatSpeed(plot_in[index_plot], unit);
- SVGDoc.getElementById('graph_out_txt').firstChild.data = formatSpeed(plot_out[index_plot], unit);
-
- /* determine peak for sensible scaling */
- if (scale_type == 'up') {
- if (plot_in[index_plot] > max) {
- max = plot_in[index_plot];
- }
- if (plot_out[index_plot] > max) {
- max = plot_out[index_plot];
- }
- } else if (scale_type == 'follow') {
- i = 0;
- max = 0;
- while (i < plot_in.length) {
- if (plot_in[i] > max) {
- max = plot_in[i];
- }
- if (plot_out[i] > max) {
- max = plot_out[i];
- }
- i++;
- }
- }
-
- var rmax; // max, rounded up
-
- if (unit == 'bits') {
- /* round up max, such that
- 100 kbps -> 200 kbps -> 400 kbps -> 800 kbps -> 1 Mbps -> 2 Mbps -> ... */
- rmax = 12500;
- i = 0;
- while (max > rmax) {
- i++;
- if (i && (i % 4 == 0)) {
- rmax *= 1.25;
- } else {
- rmax *= 2;
- }
- }
- } else {
- /* round up max, such that
- 10 KB/s -> 20 KB/s -> 40 KB/s -> 80 KB/s -> 100 KB/s -> 200 KB/s -> 400 KB/s -> 800 KB/s -> 1 MB/s ... */
- rmax = 10240;
- i = 0;
- while (max > rmax) {
- i++;
- if (i && (i % 4 == 0)) {
- rmax *= 1.25;
- } else {
- rmax *= 2;
- }
-
- if (i == 8) {
- rmax *= 1.024;
- }
- }
- }
-
- scale = <?=$height?> / rmax;
-
- /* change labels accordingly */
- SVGDoc.getElementById('grid_txt1').firstChild.data = formatSpeed(3*rmax/4, unit);
- SVGDoc.getElementById('grid_txt2').firstChild.data = formatSpeed(2*rmax/4, unit);
- SVGDoc.getElementById('grid_txt3').firstChild.data = formatSpeed(rmax/4, unit);
-
- var path_in = "M 0 " + (<?=$height?> - (plot_in[0] * scale));
- var path_out = "M 0 " + (<?=$height?> - (plot_out[0] * scale));
- for (i = 1; i < plot_in.length; i++) {
- var x = step * i;
- var y_in = <?=$height?> - (plot_in[i] * scale);
- var y_out = <?=$height?> - (plot_out[i] * scale);
- path_in += " L" + x + " " + y_in;
- path_out += " L" + x + " " + y_out;
- }
-
- SVGDoc.getElementById('error').setAttributeNS(null, 'visibility', 'hidden');
- SVGDoc.getElementById('graph_in').setAttributeNS(null, 'd', path_in);
- SVGDoc.getElementById('graph_out').setAttributeNS(null, 'd', path_out);
-
- setTimeout('fetch_data()', <?=1000*$time_interval?>);
-}
-
-function handle_error() {
- SVGDoc.getElementById("error").setAttributeNS(null, 'visibility', 'visible');
- setTimeout('fetch_data()', <?=1000*$time_interval?>);
-}
-
-function isNumber(a) {
- return typeof a == 'number' && isFinite(a);
-}
-
-function formatSpeed(speed, unit) {
- if (unit == 'bits') {
- return formatSpeedBits(speed);
- }
- if (unit == 'bytes') {
- return formatSpeedBytes(speed);
- }
-}
-
-function formatSpeedBits(speed) {
- // format speed in bits/sec, input: bytes/sec
- if (speed < 125000) {
- return Math.round(speed / 125) + " <?=gettext("Kbps"); ?>";
- }
- if (speed < 125000000) {
- return Math.round(speed / 1250)/100 + " <?=gettext("Mbps"); ?>";
- }
- // else
- return Math.round(speed / 1250000)/100 + " <?=gettext("Gbps"); ?>"; /* wow! */
-}
-
-function formatSpeedBytes(speed) {
- // format speed in bytes/sec, input: bytes/sec
- if (speed < 1048576) {
- return Math.round(speed / 10.24)/100 + " <?=gettext("KB/s"); ?>";
- }
- if (speed < 1073741824) {
- return Math.round(speed / 10485.76)/100 + " <?=gettext("MB/s"); ?>";
- }
- // else
- return Math.round(speed / 10737418.24)/100 + " <?=gettext("GB/s"); ?>"; /* wow! */
-}
-
-function LZ(x) {
- return (x < 0 || x > 9 ? "" : "0") + x;
-}
-
- ]]>
- </script>
-</svg>
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