modules/luci-mod-admin-full/luasrc/view/admin_status/wireless.htm

   1 <%#
   2  Copyright 2011 Jo-Philipp Wich <xm@subsignal.org>
   3  Licensed to the public under the Apache License 2.0.
   4 -%>
   5
   6 <%-
   7         local ntm = require "luci.model.network".init()
   8
   9         local dev
  10         local devices = { }
  11         for _, dev in luci.util.vspairs(luci.sys.net.devices()) do
  12                 if dev:match("^wlan%d") or dev:match("^ath%d") or dev:match("^wl%d") then
  13                         devices[#devices+1] = dev
  14                 end
  15         end
  16
  17         local curdev = luci.dispatcher.context.requestpath
  18               curdev = curdev[#curdev] ~= "wireless" and curdev[#curdev] or devices[1]
  19 -%>
  20
  21 <%+header%>
  22
  23 <script type="text/javascript" src="<%=resource%>/cbi.js"></script>
  24 <script type="text/javascript">//<![CDATA[
  25         var bwxhr = new XHR();
  26
  27         var G, G2;
  28         var TIME  = 0;
  29         var RATE  = 1;
  30         var RSSI  = 2;
  31         var NOISE = 3;
  32
  33         var width  = 760;
  34         var height = 300;
  35         var step   = 5;
  36
  37         var data_wanted = Math.floor(width / step);
  38         var data_fill   = 0;
  39         var data_stamp  = 0;
  40
  41         var data_rssi = [ ];
  42         var data_noise = [ ];
  43         var data_rate = [ ];
  44
  45         var line_rssi;
  46         var line_noise;
  47         var line_rate;
  48
  49         var label_25, label_25_2;
  50         var label_50, label_50_2;
  51         var label_75, label_75_2;
  52
  53         var label_rssi_cur;
  54         var label_rssi_avg;
  55         var label_rssi_peak;
  56
  57         var label_noise_cur;
  58         var label_noise_avg;
  59         var label_noise_peak;
  60
  61         var label_rate_cur;
  62         var label_rate_avg;
  63         var label_rate_peak;
  64
  65         var label_scale;
  66
  67
  68         /* wait for SVG */
  69         window.setTimeout(
  70                 function() {
  71                         var svg = document.getElementById('iwsvg');
  72                         var svg2 = document.getElementById('iwsvg2');
  73
  74                         try {
  75                                 G = svg.getSVGDocument
  76                                         ? svg.getSVGDocument() : svg.contentDocument;
  77                                 G2 = svg2.getSVGDocument
  78                                         ? svg2.getSVGDocument() : svg2.contentDocument;
  79                         }
  80                         catch(e) {
  81                                 G = document.embeds['iwsvg'].getSVGDocument();
  82                                 G2 = document.embeds['iwsvg2'].getSVGDocument();
  83                         }
  84
  85                         if (!G || !G2)
  86                         {
  87                                 window.setTimeout(arguments.callee, 1000);
  88                         }
  89                         else
  90                         {
  91                                 /* find sizes */
  92                                 width       = svg.offsetWidth  - 2;
  93                                 height      = svg.offsetHeight - 2;
  94                                 data_wanted = Math.ceil(width / step);
  95
  96                                 /* prefill datasets */
  97                                 for (var i = 0; i < data_wanted; i++)
  98                                 {
  99                                         data_rssi[i] = 0;
 100                                         data_noise[i] = 0;
 101                                         data_rate[i] = 0;
 102                                 }
 103
 104                                 /* find svg elements */
 105                                 line_rssi = G.getElementById('rssi');
 106                                 line_noise = G.getElementById('noise');
 107                                 line_rate = G2.getElementById('rate');
 108
 109                                 label_25 = G.getElementById('label_25');
 110                                 label_50 = G.getElementById('label_50');
 111                                 label_75 = G.getElementById('label_75');
 112                                 label_25_2 = G2.getElementById('label_25');
 113                                 label_50_2 = G2.getElementById('label_50');
 114                                 label_75_2 = G2.getElementById('label_75');
 115
 116                                 label_rssi_cur  = document.getElementById('rssi_bw_cur');
 117                                 label_rssi_avg  = document.getElementById('rssi_bw_avg');
 118                                 label_rssi_peak = document.getElementById('rssi_bw_peak');
 119
 120                                 label_noise_cur  = document.getElementById('noise_bw_cur');
 121                                 label_noise_avg  = document.getElementById('noise_bw_avg');
 122                                 label_noise_peak = document.getElementById('noise_bw_peak');
 123
 124                                 label_rate_cur  = document.getElementById('rate_bw_cur');
 125                                 label_rate_avg  = document.getElementById('rate_bw_avg');
 126                                 label_rate_peak = document.getElementById('rate_bw_peak');
 127
 128                                 label_scale   = document.getElementById('scale');
 129                                 label_scale_2 = document.getElementById('scale2');
 130
 131
 132                                 /* plot horizontal time interval lines */
 133                                 for (var i = width % (step * 60); i < width; i += step * 60)
 134                                 {
 135                                         var line = G.createElementNS('http://www.w3.org/2000/svg', 'line');
 136                                                 line.setAttribute('x1', i);
 137                                                 line.setAttribute('y1', 0);
 138                                                 line.setAttribute('x2', i);
 139                                                 line.setAttribute('y2', '100%');
 140                                                 line.setAttribute('style', 'stroke:black;stroke-width:0.1');
 141
 142                                         var text = G.createElementNS('http://www.w3.org/2000/svg', 'text');
 143                                                 text.setAttribute('x', i + 5);
 144                                                 text.setAttribute('y', 15);
 145                                                 text.setAttribute('style', 'fill:#999999; font-size:9pt');
 146                                                 text.appendChild(G.createTextNode(Math.round((width - i) / step / 60) + 'm'));
 147
 148                                         label_25.parentNode.appendChild(line);
 149                                         label_25.parentNode.appendChild(text);
 150
 151
 152                                         var line2 = G2.createElementNS('http://www.w3.org/2000/svg', 'line');
 153                                                 line2.setAttribute('x1', i);
 154                                                 line2.setAttribute('y1', 0);
 155                                                 line2.setAttribute('x2', i);
 156                                                 line2.setAttribute('y2', '100%');
 157                                                 line2.setAttribute('style', 'stroke:black;stroke-width:0.1');
 158
 159                                         var text2 = G2.createElementNS('http://www.w3.org/2000/svg', 'text');
 160                                                 text2.setAttribute('x', i + 5);
 161                                                 text2.setAttribute('y', 15);
 162                                                 text2.setAttribute('style', 'fill:#999999; font-size:9pt');
 163                                                 text2.appendChild(G.createTextNode(Math.round((width - i) / step / 60) + 'm'));
 164
 165                                         label_25_2.parentNode.appendChild(line2);
 166                                         label_25_2.parentNode.appendChild(text2);
 167                                 }
 168
 169                                 label_scale.innerHTML = String.format('<%:(%d minute window, %d second interval)%>', data_wanted / 60, 3);
 170                                 label_scale_2.innerHTML = String.format('<%:(%d minute window, %d second interval)%>', data_wanted / 60, 3);
 171
 172                                 /* render datasets, start update interval */
 173                                 XHR.poll(3, '<%=build_url("admin/status/realtime/wireless_status", curdev)%>', null,
 174                                         function(x, data)
 175                                         {
 176                                                 var noise_floor = 255;
 177                                                 var rate_floor = 60000;
 178
 179                                                 for (var i = 0; i < data.length; i++) {
 180                                                         noise_floor = Math.min(noise_floor, data[i][NOISE]);
 181                                                         rate_floor = Math.min(rate_floor, data[i][RATE]);
 182                                                 }
 183
 184                                                 noise_floor -= 5;
 185
 186                                                 var data_max   = 0;
 187                                                 var data_scale = 0;
 188                                                 var data_max_2   = 0;
 189                                                 var data_scale_2 = 0;
 190
 191                                                 var data_rssi_avg = 0;
 192                                                 var data_noise_avg = 0;
 193                                                 var data_rate_avg = 0;
 194
 195                                                 var data_rssi_peak = 0;
 196                                                 var data_noise_peak = 0;
 197                                                 var data_rate_peak = 0;
 198
 199                                                 for (var i = data_stamp ? 0 : 1; i < data.length; i++)
 200                                                 {
 201                                                         /* skip overlapping entries */
 202                                                         if (data[i][TIME] <= data_stamp)
 203                                                                 continue;
 204
 205                                                         data_rssi.push(data[i][RSSI] - noise_floor);
 206                                                         data_noise.push(data[i][NOISE] - noise_floor);
 207                                                         data_rate.push(Math.floor(data[i][RATE] / 1000));
 208                                                 }
 209
 210                                                 /* cut off outdated entries */
 211                                                 data_rssi = data_rssi.slice(data_rssi.length - data_wanted, data_rssi.length);
 212                                                 data_noise = data_noise.slice(data_noise.length - data_wanted, data_noise.length);
 213                                                 data_rate = data_rate.slice(data_rate.length - data_wanted, data_rate.length);
 214
 215                                                 /* find peak */
 216                                                 for (var i = 0; i < data_rssi.length; i++)
 217                                                 {
 218                                                         data_max = Math.max(data_max, data_rssi[i]);
 219                                                         data_max_2 = Math.max(data_max_2, data_rate[i]);
 220
 221                                                         data_rssi_peak = Math.max(data_rssi_peak, data_rssi[i]);
 222                                                         data_noise_peak = Math.max(data_noise_peak, data_noise[i]);
 223                                                         data_rate_peak = Math.max(data_rate_peak, data_rate[i]);
 224
 225                                                         if (i > 0)
 226                                                         {
 227                                                                 data_rssi_avg = (data_rssi_avg + data_rssi[i]) / 2;
 228                                                                 data_noise_avg = (data_noise_avg + data_noise[i]) / 2;
 229                                                                 data_rate_avg = (data_rate_avg + data_rate[i]) / 2;
 230                                                         }
 231                                                         else
 232                                                         {
 233                                                                 data_rssi_avg = data_rssi[i];
 234                                                                 data_noise_avg = data_noise[i];
 235                                                                 data_rate_avg = data_rate[i];
 236                                                         }
 237                                                 }
 238
 239                                                 /* remember current timestamp, calculate horizontal scale */
 240                                                 data_stamp = data[data.length-1][TIME];
 241                                                 data_scale = (height / (data_max * 1.1)).toFixed(1);
 242                                                 data_scale_2 = (height / (data_max_2 * 1.1)).toFixed(1);
 243
 244                                                 /* plot data */
 245                                                 var pt_rssi = '0,' + height;
 246                                                 var pt_noise = '0,' + height;
 247                                                 var pt_rate = '0,' + height;
 248
 249                                                 var y_rssi = 0;
 250                                                 var y_noise = 0;
 251                                                 var y_rate = 0;
 252
 253                                                 for (var i = 0; i < data_rssi.length; i++)
 254                                                 {
 255                                                         var x = i * step;
 256
 257                                                         y_rssi = height - Math.floor(data_rssi[i] * data_scale);
 258                                                         y_noise = height - Math.floor(data_noise[i] * data_scale);
 259                                                         y_rate = height - Math.floor(data_rate[i] * data_scale_2);
 260
 261                                                         y_rssi -= Math.floor(y_rssi % (1/data_scale));
 262                                                         y_noise -= Math.floor(y_noise % (1/data_scale));
 263
 264                                                         pt_rssi += ' ' + x + ',' + y_rssi;
 265                                                         pt_noise += ' ' + x + ',' + y_noise;
 266                                                         pt_rate += ' ' + x + ',' + y_rate;
 267                                                 }
 268
 269                                                 pt_rssi += ' ' + width + ',' + y_rssi + ' ' + width + ',' + height;
 270                                                 pt_noise += ' ' + width + ',' + y_noise + ' ' + width + ',' + height;
 271                                                 pt_rate += ' ' + width + ',' + y_rate + ' ' + width + ',' + height;
 272
 273                                                 line_rssi.setAttribute('points', pt_rssi);
 274                                                 line_noise.setAttribute('points', pt_noise);
 275                                                 line_rate.setAttribute('points', pt_rate);
 276
 277                                                 function wireless_label(dbm, noise)
 278                                                 {
 279                                                         if (noise)
 280                                                                 return String.format("%d <%:dBm%> (SNR %d <%:dBm%>)", noise_floor + dbm - 255, dbm - noise);
 281                                                         else
 282                                                                 return String.format("%d <%:dBm%>", noise_floor + dbm - 255);
 283                                                 }
 284
 285                                                 function rate_label(mbit)
 286                                                 {
 287                                                         return String.format("%d <%:Mbit/s%>", mbit);
 288                                                 }
 289
 290                                                 label_25.firstChild.data = wireless_label(1.1 * 0.25 * data_max);
 291                                                 label_50.firstChild.data = wireless_label(1.1 * 0.50 * data_max);
 292                                                 label_75.firstChild.data = wireless_label(1.1 * 0.75 * data_max);
 293
 294                                                 label_25_2.firstChild.data = rate_label(1.1 * 0.25 * data_max_2);
 295                                                 label_50_2.firstChild.data = rate_label(1.1 * 0.50 * data_max_2);
 296                                                 label_75_2.firstChild.data = rate_label(1.1 * 0.75 * data_max_2);
 297
 298                                                 label_rssi_cur.innerHTML = wireless_label(data_rssi[data_rssi.length-1], data_noise[data_noise.length-1]).nobr();
 299                                                 label_noise_cur.innerHTML = wireless_label(data_noise[data_noise.length-1]).nobr();
 300
 301                                                 label_rssi_avg.innerHTML = wireless_label(data_rssi_avg, data_noise_avg).nobr();
 302                                                 label_noise_avg.innerHTML = wireless_label(data_noise_avg).nobr();
 303
 304                                                 label_rssi_peak.innerHTML = wireless_label(data_rssi_peak, data_noise_peak).nobr();
 305                                                 label_noise_peak.innerHTML = wireless_label(data_noise_peak).nobr();
 306
 307                                                 label_rate_cur.innerHTML = rate_label(data_rate[data_rate.length-1]);
 308                                                 label_rate_avg.innerHTML = rate_label(data_rate_avg);
 309                                                 label_rate_peak.innerHTML = rate_label(data_rate_peak);
 310                                         }
 311                                 );
 312                         }
 313                 }, 1000
 314         );
 315 //]]></script>
 316
 317 <h2><a id="content" name="content"><%:Realtime Wireless%></a></h2>
 318
 319 <ul class="cbi-tabmenu">
 320         <% for _, dev in ipairs(devices) do %>
 321                 <li class="cbi-tab<%= dev == curdev and "" or "-disabled" %>"><a href="<%=pcdata(dev)%>"><%=pcdata(dev)%></a></li>
 322         <% end %>
 323 </ul>
 324
 325 <embed id="iwsvg" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/wireless.svg" />
 326 <div style="text-align:right"><small id="scale">-</small></div>
 327 <br />
 328
 329 <table style="width:100%; table-layout:fixed" cellspacing="5">
 330         <tr>
 331                 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid blue"><%:Signal:%></strong></td>
 332                 <td id="rssi_bw_cur">0 <%:dBm%></td>
 333
 334                 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
 335                 <td id="rssi_bw_avg">0 <%:dBm%></td>
 336
 337                 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
 338                 <td id="rssi_bw_peak">0 <%:dBm%></td>
 339         </tr>
 340         <tr>
 341                 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid red"><%:Noise:%></strong></td>
 342                 <td id="noise_bw_cur">0 <%:dBm%></td>
 343
 344                 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
 345                 <td id="noise_bw_avg">0 <%:dBm%></td>
 346
 347                 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
 348                 <td id="noise_bw_peak">0 <%:dBm%></td>
 349         </tr>
 350 </table>
 351
 352 <br />
 353
 354 <embed id="iwsvg2" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/wifirate.svg" />
 355 <div style="text-align:right"><small id="scale2">-</small></div>
 356 <br />
 357
 358 <table style="width:100%; table-layout:fixed" cellspacing="5">
 359         <tr>
 360                 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid green"><%:Phy Rate:%></strong></td>
 361                 <td id="rate_bw_cur">0 MBit/s</td>
 362
 363                 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
 364                 <td id="rate_bw_avg">0 MBit/s</td>
 365
 366                 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
 367                 <td id="rate_bw_peak">0 MBit/s</td>
 368         </tr>
 369 </table>
 370
 371 <%+footer%>