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<%#
Copyright 2010 Jo-Philipp Wich <jow@openwrt.org>
Licensed to the public under the Apache License 2.0.
-%>
<%-
local ntm = require "luci.model.network".init()
local dev
local devices = { }
for _, dev in luci.util.vspairs(luci.sys.net.devices()) do
if dev ~= "lo" and not ntm:ignore_interface(dev) then
devices[#devices+1] = dev
end
end
local curdev = luci.dispatcher.context.requestpath
curdev = curdev[#curdev] ~= "bandwidth" and curdev[#curdev] or devices[1]
-%>
<%+header%>
<script type="text/javascript" src="<%=resource%>/cbi.js"></script>
<script type="text/javascript">//<![CDATA[
var bwxhr = new XHR();
var G;
var TIME = 0;
var RXB = 1;
var RXP = 2;
var TXB = 3;
var TXP = 4;
var width = 760;
var height = 300;
var step = 5;
var data_wanted = Math.floor(width / step);
var data_fill = 0;
var data_stamp = 0;
var data_rx = [ ];
var data_tx = [ ];
var line_rx;
var line_tx;
var label_25;
var label_50;
var label_75;
var label_rx_cur;
var label_rx_avg;
var label_rx_peak;
var label_tx_cur;
var label_tx_avg;
var label_tx_peak;
var label_scale;
function bandwidth_label(bytes, br)
{
var uby = '<%:kB/s%>';
var kby = (bytes / 1024);
if (kby >= 1024)
{
uby = '<%:MB/s%>';
kby = kby / 1024;
}
var ubi = '<%:kbit/s%>';
var kbi = (bytes * 8 / 1024);
if (kbi >= 1024)
{
ubi = '<%:Mbit/s%>';
kbi = kbi / 1024;
}
return String.format("%f %s%s(%f %s)",
kbi.toFixed(2), ubi,
br ? '<br />' : ' ',
kby.toFixed(2), uby
);
}
/* wait for SVG */
window.setTimeout(
function() {
var svg = document.getElementById('bwsvg');
try {
G = svg.getSVGDocument
? svg.getSVGDocument() : svg.contentDocument;
}
catch(e) {
G = document.embeds['bwsvg'].getSVGDocument();
}
if (!G)
{
window.setTimeout(arguments.callee, 1000);
}
else
{
/* find sizes */
width = svg.offsetWidth - 2;
height = svg.offsetHeight - 2;
data_wanted = Math.ceil(width / step);
/* prefill datasets */
for (var i = 0; i < data_wanted; i++)
{
data_rx[i] = 0;
data_tx[i] = 0;
}
/* find svg elements */
line_rx = G.getElementById('rx');
line_tx = G.getElementById('tx');
label_25 = G.getElementById('label_25');
label_50 = G.getElementById('label_50');
label_75 = G.getElementById('label_75');
label_rx_cur = document.getElementById('rx_bw_cur');
label_rx_avg = document.getElementById('rx_bw_avg');
label_rx_peak = document.getElementById('rx_bw_peak');
label_tx_cur = document.getElementById('tx_bw_cur');
label_tx_avg = document.getElementById('tx_bw_avg');
label_tx_peak = document.getElementById('tx_bw_peak');
label_scale = document.getElementById('scale');
/* plot horizontal time interval lines */
for (var i = width % (step * 60); i < width; i += step * 60)
{
var line = G.createElementNS('http://www.w3.org/2000/svg', 'line');
line.setAttribute('x1', i);
line.setAttribute('y1', 0);
line.setAttribute('x2', i);
line.setAttribute('y2', '100%');
line.setAttribute('style', 'stroke:black;stroke-width:0.1');
var text = G.createElementNS('http://www.w3.org/2000/svg', 'text');
text.setAttribute('x', i + 5);
text.setAttribute('y', 15);
text.setAttribute('style', 'fill:#999999; font-size:9pt');
text.appendChild(G.createTextNode(Math.round((width - i) / step / 60) + 'm'));
label_25.parentNode.appendChild(line);
label_25.parentNode.appendChild(text);
}
label_scale.innerHTML = String.format('<%:(%d minute window, %d second interval)%>', data_wanted / 60, 3);
/* render datasets, start update interval */
XHR.poll(3, '<%=build_url("admin/status/realtime/bandwidth_status", curdev)%>', null,
function(x, data)
{
var data_max = 0;
var data_scale = 0;
var data_rx_avg = 0;
var data_tx_avg = 0;
var data_rx_peak = 0;
var data_tx_peak = 0;
for (var i = data_stamp ? 0 : 1; i < data.length; i++)
{
/* skip overlapping entries */
if (data[i][TIME] <= data_stamp)
continue;
/* normalize difference against time interval */
if (i > 0)
{
var time_delta = data[i][TIME] - data[i-1][TIME];
if (time_delta)
{
data_rx.push((data[i][RXB] - data[i-1][RXB]) / time_delta);
data_tx.push((data[i][TXB] - data[i-1][TXB]) / time_delta);
}
}
}
/* cut off outdated entries */
data_rx = data_rx.slice(data_rx.length - data_wanted, data_rx.length);
data_tx = data_tx.slice(data_tx.length - data_wanted, data_tx.length);
/* find peak */
for (var i = 0; i < data_rx.length; i++)
{
data_max = Math.max(data_max, data_rx[i]);
data_max = Math.max(data_max, data_tx[i]);
data_rx_peak = Math.max(data_rx_peak, data_rx[i]);
data_tx_peak = Math.max(data_tx_peak, data_tx[i]);
if (i > 0)
{
data_rx_avg = (data_rx_avg + data_rx[i]) / 2;
data_tx_avg = (data_tx_avg + data_tx[i]) / 2;
}
else
{
data_rx_avg = data_rx[i];
data_tx_avg = data_tx[i];
}
}
/* remember current timestamp, calculate horizontal scale */
data_stamp = data[data.length-1][TIME];
data_scale = height / (data_max * 1.1);
/* plot data */
var pt_rx = '0,' + height;
var pt_tx = '0,' + height;
var y_rx = 0;
var y_tx = 0;
for (var i = 0; i < data_rx.length; i++)
{
var x = i * step;
y_rx = height - Math.floor(data_rx[i] * data_scale);
y_tx = height - Math.floor(data_tx[i] * data_scale);
pt_rx += ' ' + x + ',' + y_rx;
pt_tx += ' ' + x + ',' + y_tx;
}
pt_rx += ' ' + width + ',' + y_rx + ' ' + width + ',' + height;
pt_tx += ' ' + width + ',' + y_tx + ' ' + width + ',' + height;
line_rx.setAttribute('points', pt_rx);
line_tx.setAttribute('points', pt_tx);
label_25.firstChild.data = bandwidth_label(1.1 * 0.25 * data_max);
label_50.firstChild.data = bandwidth_label(1.1 * 0.50 * data_max);
label_75.firstChild.data = bandwidth_label(1.1 * 0.75 * data_max);
label_rx_cur.innerHTML = bandwidth_label(data_rx[data_rx.length-1], true);
label_tx_cur.innerHTML = bandwidth_label(data_tx[data_tx.length-1], true);
label_rx_avg.innerHTML = bandwidth_label(data_rx_avg, true);
label_tx_avg.innerHTML = bandwidth_label(data_tx_avg, true);
label_rx_peak.innerHTML = bandwidth_label(data_rx_peak, true);
label_tx_peak.innerHTML = bandwidth_label(data_tx_peak, true);
}
);
}
}, 1000
);
//]]></script>
<h2><a id="content" name="content"><%:Realtime Traffic%></a></h2>
<ul class="cbi-tabmenu">
<% for _, dev in ipairs(devices) do %>
<li class="cbi-tab<%= dev == curdev and "" or "-disabled" %>"><a href="<%=pcdata(dev)%>"><%=pcdata(dev)%></a></li>
<% end %>
</ul>
<embed id="bwsvg" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/bandwidth.svg" />
<div style="text-align:right"><small id="scale">-</small></div>
<br />
<table style="width:100%; table-layout:fixed" cellspacing="5">
<tr>
<td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid blue"><%:Inbound:%></strong></td>
<td id="rx_bw_cur">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td>
<td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
<td id="rx_bw_avg">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td>
<td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
<td id="rx_bw_peak">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td>
</tr>
<tr>
<td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid green"><%:Outbound:%></strong></td>
<td id="tx_bw_cur">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td>
<td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
<td id="tx_bw_avg">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td>
<td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
<td id="tx_bw_peak">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td>
</tr>
</table>
<%+footer%>
|