+<%#
+LuCI - Lua Configuration Interface
+Copyright 2010 Jo-Philipp Wich <xm@subsignal.org>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+$Id$
+
+-%>
+
+<%-
+ local dev
+ local devices = { }
+ for _, dev in luci.util.kspairs(luci.sys.net.devices()) do
+ if dev ~= "lo" 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 = 'KByte';
+ var kby = (bytes / 1024);
+
+ if (kby >= 1024)
+ {
+ uby = 'MByte';
+ kby = kby / 1024;
+ }
+
+ var ubi = 'KBit';
+ var kbi = (bytes * 8 / 1024);
+
+ if (kbi >= 1024)
+ {
+ ubi = 'MBit';
+ kbi = kbi / 1024;
+ }
+
+ return String.format("%f %s/s%s(%f %s/s)",
+ kbi.toFixed(2), ubi,
+ br ? '<br />' : ' ',
+ kby.toFixed(2), uby
+ );
+ }
+
+ function update_graph()
+ {
+ bwxhr.get('<%=build_url("admin/status/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 */
+ 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+ /* cut off outdated entries */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);
+
+ /* reset timer */
+ window.setTimeout(update_graph, 1000);
+ }
+ )
+ }
+
+ /* wait for SVG */
+ window.setTimeout(
+ function() {
+ G = document.embeds["bwsvg"].getSVGDocument();
+
+ if (!G)
+ {
+ window.setTimeout(arguments.callee, 1000);
+ }
+ else
+ {
+ /* find sizes */
+ width = document.embeds["bwsvg"].offsetWidth - 2;
+ height = document.embeds["bwsvg"].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 = 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(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, 1);
+
+ /* render datasets, start update interval */
+ update_graph();
+ }
+ }, 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>
+
+
+<pre id="debug"></pre>
+
+
+<%+footer%>
projects / project / luci.git / commitdiff
