--- /dev/null
+<%#
+LuCI - Lua Configuration Interface
+Copyright 2011 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 ntm = require "luci.model.network".init()
+
+ local dev
+ local devices = { }
+ for _, dev in luci.util.vspairs(luci.sys.net.devices()) do
+ if dev:match("^wlan%d") or dev:match("^ath%d") or dev:match("^wl%d") then
+ devices[#devices+1] = dev
+ end
+ end
+
+ local curdev = luci.dispatcher.context.requestpath
+ curdev = curdev[#curdev] ~= "wireless" 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, G2;
+ var TIME = 0;
+ var RATE = 1;
+ var RSSI = 2;
+ var NOISE = 3;
+
+ 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_rssi = [ ];
+ var data_noise = [ ];
+ var data_rate = [ ];
+
+ var line_rssi;
+ var line_noise;
+ var line_rate;
+
+ var label_25, label_25_2;
+ var label_50, label_50_2;
+ var label_75, label_75_2;
+
+ var label_rssi_cur;
+ var label_rssi_avg;
+ var label_rssi_peak;
+
+ var label_noise_cur;
+ var label_noise_avg;
+ var label_noise_peak;
+
+ var label_rate_cur;
+ var label_rate_avg;
+ var label_rate_peak;
+
+ var label_scale;
+
+
+ function update_graph()
+ {
+ bwxhr.get('<%=build_url("admin/status/wireless_status", curdev)%>', null,
+ function(x, data)
+ {
+ var noise_floor = 255;
+ var rate_floor = 60000;
+
+ for (var i = 0; i < data.length; i++) {
+ noise_floor = Math.min(noise_floor, data[i][NOISE]);
+ rate_floor = Math.min(rate_floor, data[i][RATE]);
+ }
+
+ noise_floor -= 5;
+
+ var data_max = 0;
+ var data_scale = 0;
+ var data_max_2 = 0;
+ var data_scale_2 = 0;
+
+ var data_rssi_avg = 0;
+ var data_noise_avg = 0;
+ var data_rate_avg = 0;
+
+ var data_rssi_peak = 0;
+ var data_noise_peak = 0;
+ var data_rate_peak = 0;
+
+ for (var i = data_stamp ? 0 : 1; i < data.length; i++)
+ {
+ /* skip overlapping entries */
+ if (data[i][TIME] <= data_stamp)
+ continue;
+
+ data_rssi.push(data[i][RSSI] - noise_floor);
+ data_noise.push(data[i][NOISE] - noise_floor);
+ data_rate.push(Math.floor(data[i][RATE] / 100));
+ }
+
+ /* cut off outdated entries */
+ data_rssi = data_rssi.slice(data_rssi.length - data_wanted, data_rssi.length);
+ data_noise = data_noise.slice(data_noise.length - data_wanted, data_noise.length);
+ data_rate = data_rate.slice(data_rate.length - data_wanted, data_rate.length);
+
+ /* find peak */
+ for (var i = 0; i < data_rssi.length; i++)
+ {
+ data_max = Math.max(data_max, data_rssi[i]);
+ data_max_2 = Math.max(data_max_2, data_rate[i]);
+
+ data_rssi_peak = Math.max(data_rssi_peak, data_rssi[i]);
+ data_noise_peak = Math.max(data_noise_peak, data_noise[i]);
+ data_rate_peak = Math.max(data_rate_peak, data_rate[i]);
+
+ if (i > 0)
+ {
+ data_rssi_avg = (data_rssi_avg + data_rssi[i]) / 2;
+ data_noise_avg = (data_noise_avg + data_noise[i]) / 2;
+ data_rate_avg = (data_rate_avg + data_rate[i]) / 2;
+ }
+ else
+ {
+ data_rssi_avg = data_rssi[i];
+ data_noise_avg = data_noise[i];
+ data_rate_avg = data_rate[i];
+ }
+ }
+
+ /* remember current timestamp, calculate horizontal scale */
+ data_stamp = data[data.length-1][TIME];
+ data_scale = (height / (data_max * 1.1)).toFixed(1);
+ data_scale_2 = (height / (data_max_2 * 1.1)).toFixed(1);
+
+ /* plot data */
+ var pt_rssi = '0,' + height;
+ var pt_noise = '0,' + height;
+ var pt_rate = '0,' + height;
+
+ var y_rssi = 0;
+ var y_noise = 0;
+ var y_rate = 0;
+
+ for (var i = 0; i < data_rssi.length; i++)
+ {
+ var x = i * step;
+
+ y_rssi = height - Math.floor(data_rssi[i] * data_scale);
+ y_noise = height - Math.floor(data_noise[i] * data_scale);
+ y_rate = height - Math.floor(data_rate[i] * data_scale_2);
+
+ y_rssi -= Math.floor(y_rssi % (1/data_scale));
+ y_noise -= Math.floor(y_noise % (1/data_scale));
+
+ pt_rssi += ' ' + x + ',' + y_rssi;
+ pt_noise += ' ' + x + ',' + y_noise;
+ pt_rate += ' ' + x + ',' + y_rate;
+ }
+
+ pt_rssi += ' ' + width + ',' + y_rssi + ' ' + width + ',' + height;
+ pt_noise += ' ' + width + ',' + y_noise + ' ' + width + ',' + height;
+ pt_rate += ' ' + width + ',' + y_rate + ' ' + width + ',' + height;
+
+ line_rssi.setAttribute('points', pt_rssi);
+ line_noise.setAttribute('points', pt_noise);
+ line_rate.setAttribute('points', pt_rate);
+
+ function wireless_label(dbm, noise)
+ {
+ if (noise)
+ return String.format("%d dBm (SNR %d dBm)", noise_floor + dbm - 255, dbm - noise);
+ else
+ return String.format("%d dBm", noise_floor + dbm - 255);
+ }
+
+ function rate_label(mbit)
+ {
+ return String.format("%d MBit/s", mbit);
+ }
+
+ label_25.firstChild.data = wireless_label(1.1 * 0.25 * data_max);
+ label_50.firstChild.data = wireless_label(1.1 * 0.50 * data_max);
+ label_75.firstChild.data = wireless_label(1.1 * 0.75 * data_max);
+
+ label_25_2.firstChild.data = rate_label(1.1 * 0.25 * data_max_2);
+ label_50_2.firstChild.data = rate_label(1.1 * 0.50 * data_max_2);
+ label_75_2.firstChild.data = rate_label(1.1 * 0.75 * data_max_2);
+
+ label_rssi_cur.innerHTML = wireless_label(data_rssi[data_rssi.length-1], data_noise[data_noise.length-1]);
+ label_noise_cur.innerHTML = wireless_label(data_noise[data_noise.length-1]);
+
+ label_rssi_avg.innerHTML = wireless_label(data_rssi_avg, data_noise_avg);
+ label_noise_avg.innerHTML = wireless_label(data_noise_avg);
+
+ label_rssi_peak.innerHTML = wireless_label(data_rssi_peak, data_noise_peak);
+ label_noise_peak.innerHTML = wireless_label(data_noise_peak);
+
+ label_rate_cur.innerHTML = rate_label(data_rate[data_rate.length-1]);
+ label_rate_avg.innerHTML = rate_label(data_rate_avg);
+ label_rate_peak.innerHTML = rate_label(data_rate_peak);
+
+ /* reset timer */
+ window.setTimeout(update_graph, 1000);
+ }
+ )
+ }
+
+ /* wait for SVG */
+ window.setTimeout(
+ function() {
+ var svg = document.getElementById('iwsvg');
+ var svg2 = document.getElementById('iwsvg2');
+
+ try {
+ G = svg.getSVGDocument
+ ? svg.getSVGDocument() : svg.contentDocument;
+ G2 = svg2.getSVGDocument
+ ? svg2.getSVGDocument() : svg2.contentDocument;
+ }
+ catch(e) {
+ G = document.embeds['iwsvg'].getSVGDocument();
+ G2 = document.embeds['iwsvg2'].getSVGDocument();
+ }
+
+ if (!G || !G2)
+ {
+ 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_rssi[i] = 0;
+ data_noise[i] = 0;
+ data_rate[i] = 0;
+ }
+
+ /* find svg elements */
+ line_rssi = G.getElementById('rssi');
+ line_noise = G.getElementById('noise');
+ line_rate = G2.getElementById('rate');
+
+ label_25 = G.getElementById('label_25');
+ label_50 = G.getElementById('label_50');
+ label_75 = G.getElementById('label_75');
+ label_25_2 = G2.getElementById('label_25');
+ label_50_2 = G2.getElementById('label_50');
+ label_75_2 = G2.getElementById('label_75');
+
+ label_rssi_cur = document.getElementById('rssi_bw_cur');
+ label_rssi_avg = document.getElementById('rssi_bw_avg');
+ label_rssi_peak = document.getElementById('rssi_bw_peak');
+
+ label_noise_cur = document.getElementById('noise_bw_cur');
+ label_noise_avg = document.getElementById('noise_bw_avg');
+ label_noise_peak = document.getElementById('noise_bw_peak');
+
+ label_rate_cur = document.getElementById('rate_bw_cur');
+ label_rate_avg = document.getElementById('rate_bw_avg');
+ label_rate_peak = document.getElementById('rate_bw_peak');
+
+ label_scale = document.getElementById('scale');
+ label_scale_2 = document.getElementById('scale2');
+
+
+ /* 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);
+
+
+ var line2 = G2.createElementNS('http://www.w3.org/2000/svg', 'line');
+ line2.setAttribute('x1', i);
+ line2.setAttribute('y1', 0);
+ line2.setAttribute('x2', i);
+ line2.setAttribute('y2', '100%');
+ line2.setAttribute('style', 'stroke:black;stroke-width:0.1');
+
+ var text2 = G2.createElementNS('http://www.w3.org/2000/svg', 'text');
+ text2.setAttribute('x', i + 5);
+ text2.setAttribute('y', 15);
+ text2.setAttribute('style', 'fill:#999999; font-size:9pt');
+ text2.appendChild(G.createTextNode(Math.round(i / step / 60) + 'm'));
+
+ label_25_2.parentNode.appendChild(line2);
+ label_25_2.parentNode.appendChild(text2);
+ }
+
+ label_scale.innerHTML = String.format('<%:(%d minute window, %d second interval)%>', data_wanted / 60, 1);
+ label_scale_2.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 Wireless%></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="iwsvg" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/wireless.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"><%:Signal:%></strong></td>
+ <td id="rssi_bw_cur">0 dBm</td>
+
+ <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
+ <td id="rssi_bw_avg">0 dBm</td>
+
+ <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
+ <td id="rssi_bw_peak">0 dBm</td>
+ </tr>
+ <tr>
+ <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid red"><%:Noise:%></strong></td>
+ <td id="noise_bw_cur">0 dBm</td>
+
+ <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
+ <td id="noise_bw_avg">0 dBm</td>
+
+ <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
+ <td id="noise_bw_peak">0 dBm</td>
+ </tr>
+</table>
+
+<br />
+
+<embed id="iwsvg2" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/wifirate.svg" />
+<div style="text-align:right"><small id="scale2">-</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 green"><%:Phy Rate:%></strong></td>
+ <td id="rate_bw_cur">0 MBit/s</td>
+
+ <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
+ <td id="rate_bw_avg">0 MBit/s</td>
+
+ <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
+ <td id="rate_bw_peak">0 MBit/s</td>
+ </tr>
+</table>
+
+<%+footer%>