diff options
Diffstat (limited to 'usr')
| -rwxr-xr-x | usr/local/www/graph.php | 541 |
1 files changed, 281 insertions, 260 deletions
diff --git a/usr/local/www/graph.php b/usr/local/www/graph.php index b24fe3f..8c8df79 100755 --- a/usr/local/www/graph.php +++ b/usr/local/www/graph.php @@ -1,23 +1,23 @@ #!/usr/local/bin/php -f <?php -/* $Id$ */ /* graph.php - Copyright (C) 2004 Scott Ullrich - originally part of m0n0wall (http://m0n0.ch/wall) - Copyright (C) 2004 T. Lechat <dev@lechat.org> and Manuel Kasper <mk@neon1.net>. + part of m0n0wall (http://m0n0.ch/wall) + + Copyright (C) 2004-2005 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 @@ -30,301 +30,322 @@ POSSIBILITY OF SUCH DAMAGE. */ -/* Headers are evil, must omit them */ -$omit_nocacheheaders = true; -require_once('guiconfig.inc'); - -// VERSION 1.0.4 +header("Content-type: image/svg+xml"); /********** HTTP GET Based Conf ***********/ -$ifnum=@$_GET["ifnum"]; //BSD / SNMP interface name / number -$ifname=@$_GET["ifname"]?$_GET["ifname"]:"Interface $ifnum"; //Interface name that will be showed on top right of graph +$ifnum=@$_GET["ifnum"]; // BSD / SNMP interface name / number +$ifname=@$_GET["ifname"]?$_GET["ifname"]:"Interface $ifnum"; //Interface name that will be showed on top right of graph /********* Other conf *******/ -$scale_type="up"; //Autoscale default setup : "up" = only increase scale; "follow" = increase and decrease scale according to current graphed datas -$nb_plot=120; //NB plot in graph +$scale_type="up"; //Autoscale default setup : "up" = only increase scale; "follow" = increase and decrease scale according to current graphed datas +$nb_plot=120; //NB plot in graph $time_interval=1; //Refresh time Interval -$first_stage_time_interval=2; //First stage time Intervall - -$urldata=@$_SERVER["SCRIPT_NAME"]; -$fetch_link = "ifstats.cgi?$ifnum"; - -//Style -$style['bg']="fill:white;stroke:none;stroke-width:0;opacity:1;"; -$style['axis']="fill:black;stroke:black;stroke-width:1;"; -$style['in']="fill:#CC0000; font-family:Tahoma, Verdana, Arial, Helvetica, sans-serif; font-size:7;"; -$style['out']="fill:#000000; font-family:Tahoma, Verdana, Arial, Helvetica, sans-serif; font-size:7;"; -$style['graph_in']="fill:none;stroke:#CC0000;stroke-width:1;opacity:0.8;"; -$style['graph_out']="fill:none;stroke:#000000;stroke-width:1;opacity:0.8;"; -$style['legend']="fill:black; font-family:Tahoma, Verdana, Arial, Helvetica, sans-serif; font-size:4;"; -$style['graphname']="fill:#CC0000; font-family:Tahoma, Verdana, Arial, Helvetica, sans-serif; font-size:8;"; -$style['grid_txt']="fill:gray; font-family:Tahoma, Verdana, Arial, Helvetica, sans-serif; font-size:6;"; -$style['grid']="stroke:gray;stroke-width:1;opacity:0.5;"; -$style['switch_unit']="fill:#CC0000; font-family:Tahoma, Verdana, Arial, Helvetica, sans-serif; font-size:4; text-decoration:underline;"; -$style['switch_scale']="fill:#CC0000; font-family:Tahoma, Verdana, Arial, Helvetica, sans-serif; font-size:4; text-decoration:underline;"; -$style['error']="fill:blue; font-family:Arial; font-size:4;"; -$style['collect_initial']="fill:gray; font-family:Tahoma, Verdana, Arial, Helvetica, sans-serif; font-size:4;"; +$fetch_link = "stats.cgi?$ifnum"; + +//SVG attributes +$attribs['axis']='fill="black" stroke="black"'; +$attribs['in']='fill="#435370" font-family="Tahoma, Verdana, Arial, Helvetica, sans-serif" font-size="7"'; +$attribs['out']='fill="#8092B3" font-family="Tahoma, Verdana, Arial, Helvetica, sans-serif" font-size="7"'; +$attribs['graph_in']='fill="none" stroke="#435370" stroke-opacity="0.8"'; +$attribs['graph_out']='fill="none" stroke="#8092B3" stroke-opacity="0.8"'; +$attribs['legend']='fill="black" font-family="Tahoma, Verdana, Arial, Helvetica, sans-serif" font-size="4"'; +$attribs['graphname']='fill="#435370" font-family="Tahoma, Verdana, Arial, Helvetica, sans-serif" font-size="8"'; +$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="#435370" font-family="Tahoma, Verdana, Arial, Helvetica, sans-serif" font-size="4" text-decoration="underline"'; +$attribs['switch_scale']='fill="#435370" font-family="Tahoma, Verdana, Arial, Helvetica, sans-serif" font-size="4" text-decoration="underline"'; +$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 $ifnum"; -$height=100; //SVG internal height : do not modify -$width=200; //SVG internal width : do not modify +$height=100; //SVG internal height : do not modify +$width=200; //SVG internal width : do not modify /********* Graph DATA **************/ -header("Content-type: image/svg+xml"); -print('<?xml version="1.0" encoding="iso-8859-1"?>' . "\n");?><svg width="100%" height="100%" viewBox="0 0 <?=$width?> <?=$height?>" preserveAspectRatio="none" xml:space="preserve" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" onload="init(evt)"> -<g id="graph" style="visibility:visible"> - <rect id="bg" x1="0" y1="0" x2="<?=$width?>" y2="<?=$height?>" style="<?=$style['bg']?>"/> - <line id="axis_x" x1="0" y1="0" x2="0" y2="<?=$height?>" style="<?=$style['axis']?>"/> - <line id="axis_y" x1="0" y1="<?=$height?>" x2="<?=$width?>" y2="<?=$height?>" style="<?=$style['axis']?>"/> - <path id="graph_out" d="M0 <?=$height?> L 0 <?=$height?>" style="<?=$style['graph_out']?>"/> - <path id="graph_in" d="M0 <?=$height?> L 0 <?=$height?>" style="<?=$style['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?> <?=$height/4*3?>" style="<?=$style[grid]?>"/> - <text id="grid_txt1" x="<?=$width?>" y="<?=$height/4*1?>" style="<?=$style['grid_txt']?> text-anchor:end"> </text> - <text id="grid_txt2" x="<?=$width?>" y="<?=$height/4*2?>" style="<?=$style['grid_txt']?> text-anchor:end"> </text> - <text id="grid_txt3" x="<?=$width?>" y="<?=$height/4*3?>" style="<?=$style['grid_txt']?> text-anchor:end"> </text> - <text id="graph_in_lbl" x="5" y="8" style="<?=$style['in']?>">In</text> - <text id="graph_out_lbl" x="5" y="16" style="<?=$style['out']?> ">Out</text> - <text id="graph_in_txt" x="20" y="8" style="<?=$style['in']?>"> </text> - <text id="graph_out_txt" x="20" y="16" style="<?=$style['out']?> "> </text> - <text id="ifname" x="<?=$width?>" y="8" style="<?=$style['graphname']?> text-anchor:end"><?=$ifname?></text> - <text id="switch_unit" x="<?=$width*0.55?>" y="5" style="<?=$style['switch_unit']?>">Switch to bytes/s</text> - <text id="switch_scale" x="<?=$width*0.55?>" y="11" style="<?=$style['switch_scale']?>">AutoScale (<?=$scale_type?>)</text> - <text id="datetime" x="<?=$width*0.33?>" y="5" style="<?=$style['legend']?>"> </text> - <text id="graphlast" x="<?=$width*0.55?>" y="17" style="<?=$style['legend']?>">Graph shows last <?=$time_interval*$nb_plot?> seconds</text> - <polygon id="axis_arrow_x" style="<?=$style['axis']?>" points="<?=($width) . "," . ($height)?> <?=($width-2) . "," . ($height-2)?> <?=($width-2) . "," . $height?>"/> - <text id="error" x="<?=$width*0.5?>" y="<?=$height*0.5?>" style="visibility:hidden;<?=$style['error']?> text-anchor:middle"><?=$error_text?></text> - <text id="collect_initial" x="<?=$width*0.5?>" y="<?=$height*0.5?>" style="visibility:hidden;<?=$style['collect_initial']?> text-anchor:middle">Collecting initial data, please wait...</text> -</g> - -<script type="text/ecmascript"><![CDATA[ -var SVGDoc; -var last_ifin=0; -var last_ifout=0; -var last_ugmt=0; -var diff_ugmt=0; -var diff_ifin=0; -var diff_ifout=0; +print('<?xml version="1.0" encoding="iso-8859-1"?>' . "\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']?>>In</text> + <text id="graph_out_lbl" x="5" y="16" <?=$attribs['out']?>>Out</text> + <text id="graph_in_txt" x="20" y="8" <?=$attribs['in']?>> </text> + <text id="graph_out_txt" x="20" y="16" <?=$attribs['out']?>> </text> + <text id="ifname" x="<?=$width?>" y="8" <?=$attribs['graphname']?> text-anchor="end"><?=$ifname?></text> + <text id="switch_unit" x="<?=$width*0.55?>" y="5" <?=$attribs['switch_unit']?>>Switch to bytes/s</text> + <text id="switch_scale" x="<?=$width*0.55?>" y="11" <?=$attribs['switch_scale']?>>AutoScale (<?=$scale_type?>)</text> + <text id="datetime" x="<?=$width*0.33?>" y="5" <?=$attribs['legend']?>> </text> + <text id="graphlast" x="<?=$width*0.55?>" y="17" <?=$attribs['legend']?>>Graph shows last <?=$time_interval*$nb_plot?> seconds</text> + <polygon id="axis_arrow_x" <?=$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">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 'No URL for getURL'; + + try { + if (typeof callback.operationComplete == 'function') + callback = callback.operationComplete; + } catch (e) {} + if (typeof callback != 'function') + throw '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 '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; -plot_in=new Array(); -plot_out=new Array(); +var plot_in = new Array(); +var plot_out = new Array(); -var isfirst=1; -var index_plot=0; -var step = <?=$width?> / <?=$nb_plot?> ; +var max_num_points = <?=$nb_plot?>; // maximum number of plot data points +var step = <?=$width?> / max_num_points ; var unit = 'bits'; var scale_type = '<?=$scale_type?>'; function init(evt) { - SVGDoc = evt.getTarget().getOwnerDocument(); - SVGDoc.getElementById("switch_unit").addEventListener("mousedown", switch_unit, false); - SVGDoc.getElementById("switch_scale").addEventListener("mousedown", switch_scale, false); + SVGDoc = evt.target.ownerDocument; + SVGDoc.getElementById("switch_unit").addEventListener("mousedown", switch_unit, false); + SVGDoc.getElementById("switch_scale").addEventListener("mousedown", switch_scale, false); - go(); + fetch_data(); } function switch_unit(event) { - SVGDoc.getElementById('switch_unit').getFirstChild().setData('Switch to ' + unit + '/s'); - if(unit=='bits') unit='bytes';else unit='bits'; + SVGDoc.getElementById('switch_unit').firstChild.data = 'Switch to ' + unit + '/s'; + unit = (unit == 'bits') ? 'bytes' : 'bits'; } function switch_scale(event) { - if(scale_type=='up') scale_type='follow';else scale_type='up'; - SVGDoc.getElementById('switch_scale').getFirstChild().setData('AutoScale (' + scale_type + ')'); + scale_type = (scale_type == 'up') ? 'follow' : 'up'; + SVGDoc.getElementById('switch_scale').firstChild.data = 'AutoScale (' + scale_type + ')'; } -function go() { - getURL('<?=$fetch_link?>',urlcallback); +function fetch_data() { + getURL('<?=$fetch_link?>', plot_data); } -function urlcallback(obj) { - var error = 0; - now = new Date(); - - //Show datetimelegend - var datetime = (now.getMonth()+1) + "/" + now.getDate() + "/" + now.getFullYear() + ' ' + - LZ(now.getHours()) + ":" + LZ(now.getMinutes()) + ":" + LZ(now.getSeconds()); - SVGDoc.getElementById('datetime').getFirstChild().setData(datetime); - - //shift plot to left if nb_plot is already completed - var i=0; - if(index_plot > <?=$nb_plot?>) - { - while (i <= <?=$nb_plot?>) - { - var a=i+1; - plot_in[i]=plot_in[a]; - plot_out[i]=plot_out[a]; - i=i+1; +function plot_data(obj) { + // Show datetimelegend + var now = new Date(); + var datetime = (now.getMonth()+1) + "/" + now.getDate() + "/" + now.getFullYear() + ' ' + + LZ(now.getHours()) + ":" + LZ(now.getMinutes()) + ":" + LZ(now.getSeconds()); + SVGDoc.getElementById('datetime').firstChild.data = datetime; + + if (!obj.success) + return handle_error(); // getURL failed to get data + + var t = obj.content.split("|"); + var ugmt = parseFloat(t[0]); // ugmt is an unixtimestamp style + var ifin = parseInt(t[1]); // number of bytes received by the interface + var ifout = parseInt(t[2]); // number of bytes sent by the interface + var scale; + + if (!isNumber(ifin) || !isNumber(ifout)) + return handle_error(); + + var diff_ugmt = ugmt - last_ugmt; + var diff_ifin = ifin - last_ifin; + var diff_ifout = ifout - last_ifout; + + if (diff_ugmt == 0) + diff_ugmt = 1; /* avoid division by zero */ + + last_ugmt = ugmt; + last_ifin = ifin; + last_ifout = ifout; + + switch (plot_in.length) { + case 0: + SVGDoc.getElementById("collect_initial").setAttributeNS(null, 'visibility', 'visible'); + plot_in[0] = diff_ifin / diff_ugmt; + plot_out[0] = diff_ifout / diff_ugmt; + setTimeout('fetch_data()',<?=1000*$time_interval?>); + 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]; } - index_plot = <?=$nb_plot?>; - plot_in[index_plot]=0; - plot_out[index_plot]=0; - } - - //if Geturl returns something - if (obj.success){ - var t=obj.content.split("|"); - var ugmt = parseFloat(t[0]);//ugmt is an unixtimestamp style - var ifin = parseInt(t[1]);//ifin must be in bytes - var ifout = parseInt(t[2]);//ifout must be in bytes - var scale; - - if(!isNumber(ifin) || !isNumber(ifout)) { - goerror(); - return; - } else { - SVGDoc.getElementById("error").getStyle().setProperty ('visibility', 'hidden'); - } - - diff_ugmt = ugmt - last_ugmt; - diff_ifin = ifin - last_ifin; - diff_ifout = ifout - last_ifout; - - if (diff_ugmt == 0) - diff_ugmt = 1; /* avoid division by zero */ - - last_ugmt = ugmt; - last_ifin = ifin; - last_ifout = ifout; - - if(isfirst) { - SVGDoc.getElementById("collect_initial").getStyle().setProperty ('visibility', 'visible'); - setTimeout('go()',<?=1000*$first_stage_time_interval?>); - isfirst=0; - return; - } else SVGDoc.getElementById("collect_initial").getStyle().setProperty ('visibility', 'hidden'); - - plot_in[index_plot] = diff_ifin / diff_ugmt; - plot_out[index_plot]= diff_ifout / diff_ugmt; - - SVGDoc.getElementById('graph_in_txt').getFirstChild().setData(formatSpeed(plot_in[index_plot],unit)); - SVGDoc.getElementById('graph_out_txt').getFirstChild().setData(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 <= <?=$nb_plot?>) { - if (plot_in[i] > max) - max = plot_in[i]; - if (plot_out[i] > max) - max = plot_out[i]; - i++; - } - } - - var rmax; - - if (unit == 'bits') { - /* round up max, such that - 100 kbps -> 200 kbps -> 400 kbps -> 800 kbps -> 1 Mbps -> 2 Mbps -> ... */ - rmax = 12500; - i = 0; - while (max > rmax) { - i++; - if (i && (i % 4 == 0)) - rmax *= 1.25; - else - rmax *= 2; - } - } else { - /* round up max, such that - 10 KB/s -> 20 KB/s -> 40 KB/s -> 80 KB/s -> 100 KB/s -> 200 KB/s -> 400 KB/s -> 800 KB/s -> 1 MB/s ... */ - rmax = 10240; - i = 0; - while (max > rmax) { - i++; - if (i && (i % 4 == 0)) - rmax *= 1.25; - else - rmax *= 2; - - if (i == 8) - rmax *= 1.024; - } - } - - scale = <?=$height?> / rmax; - - /* change labels accordingly */ - SVGDoc.getElementById('grid_txt1').getFirstChild().setData(formatSpeed(3*rmax/4,unit)); - SVGDoc.getElementById('grid_txt2').getFirstChild().setData(formatSpeed(2*rmax/4,unit)); - SVGDoc.getElementById('grid_txt3').getFirstChild().setData(formatSpeed(rmax/4,unit)); - - i = 0; - - while (i <= index_plot) - { - var x = step * i; - var y_in= <?=$height?> - (plot_in[i] * scale); - var y_out= <?=$height?> - (plot_out[i] * scale); - if(i==0) { - var path_in = "M" + x + " " + y_in; - var path_out = "M" + x + " " + y_out; - } - else - { - var path_in = path_in + " L" + x + " " + y_in; - var path_out = path_out + " L" + x + " " + y_out; - } - i = i + 1; - } - - index_plot = index_plot+1; - SVGDoc.getElementById('graph_in').setAttribute("d", path_in); - SVGDoc.getElementById('graph_out').setAttribute("d", path_out); - - setTimeout('go()',<?=1000*$time_interval?>); - } - else - { //In case of Geturl fails - goerror(); - } + plot_in.length--; + plot_out.length--; + } + + plot_in[plot_in.length] = diff_ifin / diff_ugmt; + plot_out[plot_out.length]= diff_ifout / diff_ugmt; + var index_plot = plot_in.length - 1; + + SVGDoc.getElementById('graph_in_txt').firstChild.data = formatSpeed(plot_in[index_plot], unit); + SVGDoc.getElementById('graph_out_txt').firstChild.data = formatSpeed(plot_out[index_plot], unit); + + /* determine peak for sensible scaling */ + if (scale_type == 'up') { + if (plot_in[index_plot] > max) + max = plot_in[index_plot]; + if (plot_out[index_plot] > max) + max = plot_out[index_plot]; + } + else if (scale_type == 'follow') { + i = 0; + max = 0; + while (i < plot_in.length) { + if (plot_in[i] > max) + max = plot_in[i]; + if (plot_out[i] > max) + max = plot_out[i]; + i++; + } + } + + var rmax; // max, rounded up + + if (unit == 'bits') { + /* round up max, such that + 100 kbps -> 200 kbps -> 400 kbps -> 800 kbps -> 1 Mbps -> 2 Mbps -> ... */ + rmax = 12500; + i = 0; + while (max > rmax) { + i++; + if (i && (i % 4 == 0)) + rmax *= 1.25; + else + rmax *= 2; + } + } else { + /* round up max, such that + 10 KB/s -> 20 KB/s -> 40 KB/s -> 80 KB/s -> 100 KB/s -> 200 KB/s -> 400 KB/s -> 800 KB/s -> 1 MB/s ... */ + rmax = 10240; + i = 0; + while (max > rmax) { + i++; + if (i && (i % 4 == 0)) + rmax *= 1.25; + else + rmax *= 2; + + if (i == 8) + rmax *= 1.024; + } + } + + scale = <?=$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*$time_interval?>); } -function goerror() { - SVGDoc.getElementById("error").getStyle().setProperty ('visibility', 'visible'); - setTimeout('go()',<?=1000*$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); + return typeof a == 'number' && isFinite(a); } -function formatSpeed(speed,unit){ - if(unit=='bits') return formatSpeedBits(speed); - else if(unit=='bytes') return formatSpeedBytes(speed); +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) + " Kbps"; - else if (speed < 125000000) - return Math.round(speed / 1250)/100 + " Mbps"; - else - return Math.round(speed / 1250000)/100 + " Gbps"; /* wow! */ + // format speed in bits/sec, input: bytes/sec + if (speed < 125000) + return Math.round(speed / 125) + " Kbps"; + if (speed < 125000000) + return Math.round(speed / 1250)/100 + " Mbps"; + // else + return Math.round(speed / 1250000)/100 + " Gbps"; /* wow! */ } + function formatSpeedBytes(speed) { - // format speed in bytes/sec, input: bytes/sec - if (speed < 1048576) - return Math.round(speed / 10.24)/100 + " KB/s"; - else if (speed < 1073741824) - return Math.round(speed / 10485.76)/100 + " MB/s"; - else - return Math.round(speed / 10737418.24)/100 + " GB/s"; /* wow! */ + // format speed in bytes/sec, input: bytes/sec + if (speed < 1048576) + return Math.round(speed / 10.24)/100 + " KB/s"; + if (speed < 1073741824) + return Math.round(speed / 10485.76)/100 + " MB/s"; + // else + return Math.round(speed / 10737418.24)/100 + " GB/s"; /* wow! */ } + function LZ(x) { - return (x < 0 || x > 9 ? "" : "0") + x + return (x < 0 || x > 9 ? "" : "0") + x; } -]]></script> -</svg> + + ]]> + </script> +</svg>
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