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

   1 <%#
   2 LuCI - Lua Configuration Interface
   3 Copyright 2011 Jo-Philipp Wich <xm@subsignal.org>
   4
   5 Licensed under the Apache License, Version 2.0 (the "License");
   6 you may not use this file except in compliance with the License.
   7 You may obtain a copy of the License at
   8
   9         http://www.apache.org/licenses/LICENSE-2.0
  10
  11 $Id$
  12
  13 -%>
  14
  15 <%-
  16         local ntm = require "luci.model.network".init()
  17
  18         local dev
  19         local devices = { }
  20         for _, dev in luci.util.vspairs(luci.sys.net.devices()) do
  21                 if dev:match("^wlan%d") or dev:match("^ath%d") or dev:match("^wl%d") then
  22                         devices[#devices+1] = dev
  23                 end
  24         end
  25
  26         local curdev = luci.dispatcher.context.requestpath
  27               curdev = curdev[#curdev] ~= "wireless" and curdev[#curdev] or devices[1]
  28 -%>
  29
  30 <%+header%>
  31
  32 <script type="text/javascript" src="<%=resource%>/cbi.js"></script>
  33 <script type="text/javascript">//<![CDATA[
  34         var bwxhr = new XHR();
  35
  36         var G, G2;
  37         var TIME  = 0;
  38         var RATE  = 1;
  39         var RSSI  = 2;
  40         var NOISE = 3;
  41
  42         var width  = 760;
  43         var height = 300;
  44         var step   = 5;
  45
  46         var data_wanted = Math.floor(width / step);
  47         var data_fill   = 0;
  48         var data_stamp  = 0;
  49
  50         var data_rssi = [ ];
  51         var data_noise = [ ];
  52         var data_rate = [ ];
  53
  54         var line_rssi;
  55         var line_noise;
  56         var line_rate;
  57
  58         var label_25, label_25_2;
  59         var label_50, label_50_2;
  60         var label_75, label_75_2;
  61
  62         var label_rssi_cur;
  63         var label_rssi_avg;
  64         var label_rssi_peak;
  65
  66         var label_noise_cur;
  67         var label_noise_avg;
  68         var label_noise_peak;
  69
  70         var label_rate_cur;
  71         var label_rate_avg;
  72         var label_rate_peak;
  73
  74         var label_scale;
  75
  76
  77         function update_graph()
  78         {
  79                 bwxhr.get('<%=build_url("admin/status/wireless_status", curdev)%>', null,
  80                         function(x, data)
  81                         {
  82                                 var noise_floor = 255;
  83                                 var rate_floor = 60000;
  84
  85                                 for (var i = 0; i < data.length; i++) {
  86                                         noise_floor = Math.min(noise_floor, data[i][NOISE]);
  87                                         rate_floor = Math.min(rate_floor, data[i][RATE]);
  88                                 }
  89
  90                                 noise_floor -= 5;
  91
  92                                 var data_max   = 0;
  93                                 var data_scale = 0;
  94                                 var data_max_2   = 0;
  95                                 var data_scale_2 = 0;
  96
  97                                 var data_rssi_avg = 0;
  98                                 var data_noise_avg = 0;
  99                                 var data_rate_avg = 0;
 100
 101                                 var data_rssi_peak = 0;
 102                                 var data_noise_peak = 0;
 103                                 var data_rate_peak = 0;
 104
 105                                 for (var i = data_stamp ? 0 : 1; i < data.length; i++)
 106                                 {
 107                                         /* skip overlapping entries */
 108                                         if (data[i][TIME] <= data_stamp)
 109                                                 continue;
 110
 111                                         data_rssi.push(data[i][RSSI] - noise_floor);
 112                                         data_noise.push(data[i][NOISE] - noise_floor);
 113                                         data_rate.push(Math.floor(data[i][RATE] / 100));
 114                                 }
 115
 116                                 /* cut off outdated entries */
 117                                 data_rssi = data_rssi.slice(data_rssi.length - data_wanted, data_rssi.length);
 118                                 data_noise = data_noise.slice(data_noise.length - data_wanted, data_noise.length);
 119                                 data_rate = data_rate.slice(data_rate.length - data_wanted, data_rate.length);
 120
 121                                 /* find peak */
 122                                 for (var i = 0; i < data_rssi.length; i++)
 123                                 {
 124                                         data_max = Math.max(data_max, data_rssi[i]);
 125                                         data_max_2 = Math.max(data_max_2, data_rate[i]);
 126
 127                                         data_rssi_peak = Math.max(data_rssi_peak, data_rssi[i]);
 128                                         data_noise_peak = Math.max(data_noise_peak, data_noise[i]);
 129                                         data_rate_peak = Math.max(data_rate_peak, data_rate[i]);
 130
 131                                         if (i > 0)
 132                                         {
 133                                                 data_rssi_avg = (data_rssi_avg + data_rssi[i]) / 2;
 134                                                 data_noise_avg = (data_noise_avg + data_noise[i]) / 2;
 135                                                 data_rate_avg = (data_rate_avg + data_rate[i]) / 2;
 136                                         }
 137                                         else
 138                                         {
 139                                                 data_rssi_avg = data_rssi[i];
 140                                                 data_noise_avg = data_noise[i];
 141                                                 data_rate_avg = data_rate[i];
 142                                         }
 143                                 }
 144
 145                                 /* remember current timestamp, calculate horizontal scale */
 146                                 data_stamp = data[data.length-1][TIME];
 147                                 data_scale = (height / (data_max * 1.1)).toFixed(1);
 148                                 data_scale_2 = (height / (data_max_2 * 1.1)).toFixed(1);
 149
 150                                 /* plot data */
 151                                 var pt_rssi = '0,' + height;
 152                                 var pt_noise = '0,' + height;
 153                                 var pt_rate = '0,' + height;
 154
 155                                 var y_rssi = 0;
 156                                 var y_noise = 0;
 157                                 var y_rate = 0;
 158
 159                                 for (var i = 0; i < data_rssi.length; i++)
 160                                 {
 161                                         var x = i * step;
 162
 163                                         y_rssi = height - Math.floor(data_rssi[i] * data_scale);
 164                                         y_noise = height - Math.floor(data_noise[i] * data_scale);
 165                                         y_rate = height - Math.floor(data_rate[i] * data_scale_2);
 166
 167                                         y_rssi -= Math.floor(y_rssi % (1/data_scale));
 168                                         y_noise -= Math.floor(y_noise % (1/data_scale));
 169
 170                                         pt_rssi += ' ' + x + ',' + y_rssi;
 171                                         pt_noise += ' ' + x + ',' + y_noise;
 172                                         pt_rate += ' ' + x + ',' + y_rate;
 173                                 }
 174
 175                                 pt_rssi += ' ' + width + ',' + y_rssi + ' ' + width + ',' + height;
 176                                 pt_noise += ' ' + width + ',' + y_noise + ' ' + width + ',' + height;
 177                                 pt_rate += ' ' + width + ',' + y_rate + ' ' + width + ',' + height;
 178
 179                                 line_rssi.setAttribute('points', pt_rssi);
 180                                 line_noise.setAttribute('points', pt_noise);
 181                                 line_rate.setAttribute('points', pt_rate);
 182
 183                                 function wireless_label(dbm, noise)
 184                                 {
 185                                         if (noise)
 186                                                 return String.format("%d dBm (SNR %d dBm)", noise_floor + dbm - 255, dbm - noise);
 187                                         else
 188                                                 return String.format("%d dBm", noise_floor + dbm - 255);
 189                                 }
 190
 191                                 function rate_label(mbit)
 192                                 {
 193                                         return String.format("%d MBit/s", mbit);
 194                                 }
 195
 196                                 label_25.firstChild.data = wireless_label(1.1 * 0.25 * data_max);
 197                                 label_50.firstChild.data = wireless_label(1.1 * 0.50 * data_max);
 198                                 label_75.firstChild.data = wireless_label(1.1 * 0.75 * data_max);
 199
 200                                 label_25_2.firstChild.data = rate_label(1.1 * 0.25 * data_max_2);
 201                                 label_50_2.firstChild.data = rate_label(1.1 * 0.50 * data_max_2);
 202                                 label_75_2.firstChild.data = rate_label(1.1 * 0.75 * data_max_2);
 203
 204                                 label_rssi_cur.innerHTML = wireless_label(data_rssi[data_rssi.length-1], data_noise[data_noise.length-1]);
 205                                 label_noise_cur.innerHTML = wireless_label(data_noise[data_noise.length-1]);
 206
 207                                 label_rssi_avg.innerHTML = wireless_label(data_rssi_avg, data_noise_avg);
 208                                 label_noise_avg.innerHTML = wireless_label(data_noise_avg);
 209
 210                                 label_rssi_peak.innerHTML = wireless_label(data_rssi_peak, data_noise_peak);
 211                                 label_noise_peak.innerHTML = wireless_label(data_noise_peak);
 212
 213                                 label_rate_cur.innerHTML = rate_label(data_rate[data_rate.length-1]);
 214                                 label_rate_avg.innerHTML = rate_label(data_rate_avg);
 215                                 label_rate_peak.innerHTML = rate_label(data_rate_peak);
 216
 217                                 /* reset timer */
 218                                 window.setTimeout(update_graph, 1000);
 219                         }
 220                 )
 221         }
 222
 223         /* wait for SVG */
 224         window.setTimeout(
 225                 function() {
 226                         var svg = document.getElementById('iwsvg');
 227                         var svg2 = document.getElementById('iwsvg2');
 228
 229                         try {
 230                                 G = svg.getSVGDocument
 231                                         ? svg.getSVGDocument() : svg.contentDocument;
 232                                 G2 = svg2.getSVGDocument
 233                                         ? svg2.getSVGDocument() : svg2.contentDocument;
 234                         }
 235                         catch(e) {
 236                                 G = document.embeds['iwsvg'].getSVGDocument();
 237                                 G2 = document.embeds['iwsvg2'].getSVGDocument();
 238                         }
 239
 240                         if (!G || !G2)
 241                         {
 242                                 window.setTimeout(arguments.callee, 1000);
 243                         }
 244                         else
 245                         {
 246                                 /* find sizes */
 247                                 width       = svg.offsetWidth  - 2;
 248                                 height      = svg.offsetHeight - 2;
 249                                 data_wanted = Math.ceil(width / step);
 250
 251                                 /* prefill datasets */
 252                                 for (var i = 0; i < data_wanted; i++)
 253                                 {
 254                                         data_rssi[i] = 0;
 255                                         data_noise[i] = 0;
 256                                         data_rate[i] = 0;
 257                                 }
 258
 259                                 /* find svg elements */
 260                                 line_rssi = G.getElementById('rssi');
 261                                 line_noise = G.getElementById('noise');
 262                                 line_rate = G2.getElementById('rate');
 263
 264                                 label_25 = G.getElementById('label_25');
 265                                 label_50 = G.getElementById('label_50');
 266                                 label_75 = G.getElementById('label_75');
 267                                 label_25_2 = G2.getElementById('label_25');
 268                                 label_50_2 = G2.getElementById('label_50');
 269                                 label_75_2 = G2.getElementById('label_75');
 270
 271                                 label_rssi_cur  = document.getElementById('rssi_bw_cur');
 272                                 label_rssi_avg  = document.getElementById('rssi_bw_avg');
 273                                 label_rssi_peak = document.getElementById('rssi_bw_peak');
 274
 275                                 label_noise_cur  = document.getElementById('noise_bw_cur');
 276                                 label_noise_avg  = document.getElementById('noise_bw_avg');
 277                                 label_noise_peak = document.getElementById('noise_bw_peak');
 278
 279                                 label_rate_cur  = document.getElementById('rate_bw_cur');
 280                                 label_rate_avg  = document.getElementById('rate_bw_avg');
 281                                 label_rate_peak = document.getElementById('rate_bw_peak');
 282
 283                                 label_scale   = document.getElementById('scale');
 284                                 label_scale_2 = document.getElementById('scale2');
 285
 286
 287                                 /* plot horizontal time interval lines */
 288                                 for (var i = step * 60; i < width; i += step * 60)
 289                                 {
 290                                         var line = G.createElementNS('http://www.w3.org/2000/svg', 'line');
 291                                                 line.setAttribute('x1', i);
 292                                                 line.setAttribute('y1', 0);
 293                                                 line.setAttribute('x2', i);
 294                                                 line.setAttribute('y2', '100%');
 295                                                 line.setAttribute('style', 'stroke:black;stroke-width:0.1');
 296
 297                                         var text = G.createElementNS('http://www.w3.org/2000/svg', 'text');
 298                                                 text.setAttribute('x', i + 5);
 299                                                 text.setAttribute('y', 15);
 300                                                 text.setAttribute('style', 'fill:#999999; font-size:9pt');
 301                                                 text.appendChild(G.createTextNode(Math.round(i / step / 60) + 'm'));
 302
 303                                         label_25.parentNode.appendChild(line);
 304                                         label_25.parentNode.appendChild(text);
 305
 306
 307                                         var line2 = G2.createElementNS('http://www.w3.org/2000/svg', 'line');
 308                                                 line2.setAttribute('x1', i);
 309                                                 line2.setAttribute('y1', 0);
 310                                                 line2.setAttribute('x2', i);
 311                                                 line2.setAttribute('y2', '100%');
 312                                                 line2.setAttribute('style', 'stroke:black;stroke-width:0.1');
 313
 314                                         var text2 = G2.createElementNS('http://www.w3.org/2000/svg', 'text');
 315                                                 text2.setAttribute('x', i + 5);
 316                                                 text2.setAttribute('y', 15);
 317                                                 text2.setAttribute('style', 'fill:#999999; font-size:9pt');
 318                                                 text2.appendChild(G.createTextNode(Math.round(i / step / 60) + 'm'));
 319
 320                                         label_25_2.parentNode.appendChild(line2);
 321                                         label_25_2.parentNode.appendChild(text2);
 322                                 }
 323
 324                                 label_scale.innerHTML = String.format('<%:(%d minute window, %d second interval)%>', data_wanted / 60, 1);
 325                                 label_scale_2.innerHTML = String.format('<%:(%d minute window, %d second interval)%>', data_wanted / 60, 1);
 326
 327                                 /* render datasets, start update interval */
 328                                 update_graph();
 329                         }
 330                 }, 1000
 331         );
 332 //]]></script>
 333
 334 <h2><a id="content" name="content"><%:Realtime Wireless%></a></h2>
 335
 336 <ul class="cbi-tabmenu">
 337         <% for _, dev in ipairs(devices) do %>
 338                 <li class="cbi-tab<%= dev == curdev and "" or "-disabled" %>"><a href="<%=pcdata(dev)%>"><%=pcdata(dev)%></a></li>
 339         <% end %>
 340 </ul>
 341
 342 <embed id="iwsvg" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/wireless.svg" />
 343 <div style="text-align:right"><small id="scale">-</small></div>
 344 <br />
 345
 346 <table style="width:100%; table-layout:fixed" cellspacing="5">
 347         <tr>
 348                 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid blue"><%:Signal:%></strong></td>
 349                 <td id="rssi_bw_cur">0 dBm</td>
 350
 351                 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
 352                 <td id="rssi_bw_avg">0 dBm</td>
 353
 354                 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
 355                 <td id="rssi_bw_peak">0 dBm</td>
 356         </tr>
 357         <tr>
 358                 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid red"><%:Noise:%></strong></td>
 359                 <td id="noise_bw_cur">0 dBm</td>
 360
 361                 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
 362                 <td id="noise_bw_avg">0 dBm</td>
 363
 364                 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
 365                 <td id="noise_bw_peak">0 dBm</td>
 366         </tr>
 367 </table>
 368
 369 <br />
 370
 371 <embed id="iwsvg2" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/wifirate.svg" />
 372 <div style="text-align:right"><small id="scale2">-</small></div>
 373 <br />
 374
 375 <table style="width:100%; table-layout:fixed" cellspacing="5">
 376         <tr>
 377                 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid green"><%:Phy Rate:%></strong></td>
 378                 <td id="rate_bw_cur">0 MBit/s</td>
 379
 380                 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
 381                 <td id="rate_bw_avg">0 MBit/s</td>
 382
 383                 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
 384                 <td id="rate_bw_peak">0 MBit/s</td>
 385         </tr>
 386 </table>
 387
 388 <%+footer%>