modules/luci-mod-status/htdocs/luci-static/resources/view/status/wireless.js

   1 'use strict';
   2 'require ui';
   3 'require rpc';
   4 'require network';
   5
   6 var callLuciRealtimeStats = rpc.declare({
   7         object: 'luci',
   8         method: 'getRealtimeStats',
   9         params: [ 'mode', 'device' ],
  10         expect: { result: [] }
  11 });
  12
  13 var graphPolls = [],
  14     pollInterval = 3;
  15
  16 Math.log2 = Math.log2 || function(x) { return Math.log(x) * Math.LOG2E; };
  17
  18 return L.view.extend({
  19         load: function() {
  20                 return Promise.all([
  21                         this.loadSVG(L.resource('wireless.svg')),
  22                         this.loadSVG(L.resource('wifirate.svg')),
  23                         network.getWifiDevices().then(function(radios) {
  24                                 var tasks = [], all_networks = [];
  25
  26                                 for (var i = 0; i < radios.length; i++)
  27                                         tasks.push(radios[i].getWifiNetworks().then(function(networks) {
  28                                                 all_networks.push.apply(all_networks, networks);
  29                                         }));
  30
  31                                 return Promise.all(tasks).then(function() {
  32                                         return all_networks;
  33                                 });
  34                         })
  35                 ]);
  36         },
  37
  38         updateGraph: function(ifname, svg, lines, cb) {
  39                 var G = svg.firstElementChild;
  40
  41                 var view = document.querySelector('#view');
  42
  43                 var width  = view.offsetWidth - 2;
  44                 var height = 300 - 2;
  45                 var step   = 5;
  46
  47                 var data_wanted = Math.floor(width / step);
  48
  49                 var data_values = [],
  50                     line_elements = [];
  51
  52                 for (var i = 0; i < lines.length; i++)
  53                         if (lines[i] != null)
  54                                 data_values.push([]);
  55
  56                 var info = {
  57                         line_current: [],
  58                         line_average: [],
  59                         line_peak:    []
  60                 };
  61
  62                 /* prefill datasets */
  63                 for (var i = 0; i < data_values.length; i++)
  64                         for (var j = 0; j < data_wanted; j++)
  65                                         data_values[i][j] = 0;
  66
  67                 /* plot horizontal time interval lines */
  68                 for (var i = width % (step * 60); i < width; i += step * 60) {
  69                         var line = document.createElementNS('http://www.w3.org/2000/svg', 'line');
  70                                 line.setAttribute('x1', i);
  71                                 line.setAttribute('y1', 0);
  72                                 line.setAttribute('x2', i);
  73                                 line.setAttribute('y2', '100%');
  74                                 line.setAttribute('style', 'stroke:black;stroke-width:0.1');
  75
  76                         var text = document.createElementNS('http://www.w3.org/2000/svg', 'text');
  77                                 text.setAttribute('x', i + 5);
  78                                 text.setAttribute('y', 15);
  79                                 text.setAttribute('style', 'fill:#eee; font-size:9pt; font-family:sans-serif; text-shadow:1px 1px 1px #000');
  80                                 text.appendChild(document.createTextNode(Math.round((width - i) / step / 60) + 'm'));
  81
  82                         G.appendChild(line);
  83                         G.appendChild(text);
  84                 }
  85
  86                 info.interval = pollInterval;
  87                 info.timeframe = data_wanted / 60;
  88
  89                 graphPolls.push({
  90                         ifname: ifname,
  91                         svg:    svg,
  92                         lines:  lines,
  93                         cb:     cb,
  94                         info:   info,
  95                         width:  width,
  96                         height: height,
  97                         step:   step,
  98                         values: data_values,
  99                         timestamp: 0,
 100                         fill: 1
 101                 });
 102         },
 103
 104         pollData: function() {
 105                 L.Poll.add(L.bind(function() {
 106                         var tasks = [];
 107
 108                         for (var i = 0; i < graphPolls.length; i++) {
 109                                 var ctx = graphPolls[i];
 110                                 tasks.push(L.resolveDefault(callLuciRealtimeStats('wireless', ctx.ifname), []));
 111                         }
 112
 113                         return Promise.all(tasks).then(L.bind(function(datasets) {
 114                                 for (var gi = 0; gi < graphPolls.length; gi++) {
 115                                         var ctx = graphPolls[gi],
 116                                             data = datasets[gi],
 117                                             values = ctx.values,
 118                                             lines = ctx.lines,
 119                                             info = ctx.info;
 120
 121                                         var data_scale = 0;
 122                                         var data_wanted = Math.floor(ctx.width / ctx.step);
 123                                         var last_timestamp = NaN;
 124
 125                                         for (var i = 0, di = 0; di < lines.length; di++) {
 126                                                 if (lines[di] == null)
 127                                                         continue;
 128
 129                                                 var multiply = (lines[di].multiply != null) ? lines[di].multiply : 1,
 130                                                     offset = (lines[di].offset != null) ? lines[di].offset : 0;
 131
 132                                                 for (var j = ctx.timestamp ? 0 : 1; j < data.length; j++) {
 133                                                         /* skip overlapping entries */
 134                                                         if (data[j][0] <= ctx.timestamp)
 135                                                                 continue;
 136
 137                                                         if (i == 0) {
 138                                                                 ctx.fill++;
 139                                                                 last_timestamp = data[j][0];
 140                                                         }
 141
 142                                                         info.line_current[i] = data[j][di + 1] * multiply;
 143                                                         info.line_current[i] -= Math.min(info.line_current[i], offset);
 144                                                         values[i].push(info.line_current[i]);
 145                                                 }
 146
 147                                                 i++;
 148                                         }
 149
 150                                         /* cut off outdated entries */
 151                                         ctx.fill = Math.min(ctx.fill, data_wanted);
 152
 153                                         for (var i = 0; i < values.length; i++) {
 154                                                 var len = values[i].length;
 155                                                 values[i] = values[i].slice(len - data_wanted, len);
 156
 157                                                 /* find peaks, averages */
 158                                                 info.line_peak[i] = NaN;
 159                                                 info.line_average[i] = 0;
 160
 161                                                 for (var j = 0; j < values[i].length; j++) {
 162                                                         info.line_peak[i] = isNaN(info.line_peak[i]) ? values[i][j] : Math.max(info.line_peak[i], values[i][j]);
 163                                                         info.line_average[i] += values[i][j];
 164                                                 }
 165
 166                                                 info.line_average[i] = info.line_average[i] / ctx.fill;
 167                                         }
 168
 169                                         info.peak = Math.max.apply(Math, info.line_peak);
 170
 171                                         /* remember current timestamp, calculate horizontal scale */
 172                                         if (!isNaN(last_timestamp))
 173                                                 ctx.timestamp = last_timestamp;
 174
 175                                         var size = Math.floor(Math.log2(info.peak)),
 176                                             div = Math.pow(2, size - (size % 10)),
 177                                             mult = info.peak / div,
 178                                             mult = (mult < 5) ? 2 : ((mult < 50) ? 10 : ((mult < 500) ? 100 : 1000));
 179
 180                                         info.peak = info.peak + (mult * div) - (info.peak % (mult * div));
 181
 182                                         data_scale = ctx.height / info.peak;
 183
 184                                         /* plot data */
 185                                         for (var i = 0, di = 0; di < lines.length; di++) {
 186                                                 if (lines[di] == null)
 187                                                         continue;
 188
 189                                                 var el = ctx.svg.firstElementChild.getElementById(lines[di].line),
 190                                                     pt = '0,' + ctx.height,
 191                                                     y = 0;
 192
 193                                                 if (!el)
 194                                                         continue;
 195
 196                                                 for (var j = 0; j < values[i].length; j++) {
 197                                                         var x = j * ctx.step;
 198
 199                                                         y = ctx.height - Math.floor(values[i][j] * data_scale);
 200                                                         //y -= Math.floor(y % (1 / data_scale));
 201
 202                                                         pt += ' ' + x + ',' + y;
 203                                                 }
 204
 205                                                 pt += ' ' + ctx.width + ',' + y + ' ' + ctx.width + ',' + ctx.height;
 206
 207                                                 el.setAttribute('points', pt);
 208
 209                                                 i++;
 210                                         }
 211
 212                                         info.label_25 = 0.25 * info.peak;
 213                                         info.label_50 = 0.50 * info.peak;
 214                                         info.label_75 = 0.75 * info.peak;
 215
 216                                         if (typeof(ctx.cb) == 'function')
 217                                                 ctx.cb(ctx.svg, info);
 218                                 }
 219                         }, this));
 220                 }, this), pollInterval);
 221         },
 222
 223         loadSVG: function(src) {
 224                 return L.Request.get(src).then(function(response) {
 225                         if (!response.ok)
 226                                 throw new Error(response.statusText);
 227
 228                         return E('div', {
 229                                 'style': 'width:100%;height:300px;border:1px solid #000;background:#fff'
 230                         }, E(response.text()));
 231                 });
 232         },
 233
 234         render: function(data) {
 235                 var svg1 = data[0],
 236                     svg2 = data[1],
 237                     wifidevs = data[2];
 238
 239                 var v = E('div', {}, E('div'));
 240
 241                 for (var i = 0; i < wifidevs.length; i++) {
 242                         var ifname = wifidevs[i].getIfname();
 243
 244                         if (!ifname)
 245                                 continue;
 246
 247                         var csvg1 = svg1.cloneNode(true),
 248                             csvg2 = svg2.cloneNode(true);
 249
 250                         v.firstElementChild.appendChild(E('div', { 'data-tab': ifname, 'data-tab-title': ifname }, [
 251                                 csvg1,
 252                                 E('div', { 'class': 'right' }, E('small', { 'id': 'scale' }, '-')),
 253                                 E('br'),
 254
 255                                 E('div', { 'class': 'table', 'style': 'width:100%;table-layout:fixed' }, [
 256                                         E('div', { 'class': 'tr' }, [
 257                                                 E('div', { 'class': 'td right top' }, E('strong', { 'style': 'border-bottom:2px solid blue' }, [ _('Signal:') ])),
 258                                                 E('div', { 'class': 'td', 'id': 'rssi_bw_cur' }, [ '0 ' + _('dBm') ]),
 259
 260                                                 E('div', { 'class': 'td right top' }, E('strong', {}, [ _('Average:') ])),
 261                                                 E('div', { 'class': 'td', 'id': 'rssi_bw_avg' }, [ '0 ' + _('dBm') ]),
 262
 263                                                 E('div', { 'class': 'td right top' }, E('strong', {}, [ _('Peak:') ])),
 264                                                 E('div', { 'class': 'td', 'id': 'rssi_bw_peak' }, [ '0 ' + _('dBm') ])
 265                                         ]),
 266                                         E('div', { 'class': 'tr' }, [
 267                                                 E('div', { 'class': 'td right top' }, E('strong', { 'style': 'border-bottom:2px solid red' }, [ _('Noise:') ])),
 268                                                 E('div', { 'class': 'td', 'id': 'noise_bw_cur' }, [ '0 ' + _('dBm') ]),
 269
 270                                                 E('div', { 'class': 'td right top' }, E('strong', {}, [ _('Average:') ])),
 271                                                 E('div', { 'class': 'td', 'id': 'noise_bw_avg' }, [ '0 ' + _('dBm') ]),
 272
 273                                                 E('div', { 'class': 'td right top' }, E('strong', {}, [ _('Peak:') ])),
 274                                                 E('div', { 'class': 'td', 'id': 'noise_bw_peak' }, [ '0 ' + _('dBm') ])
 275                                         ])
 276                                 ]),
 277                                 E('br'),
 278
 279                                 csvg2,
 280                                 E('div', { 'class': 'right' }, E('small', { 'id': 'scale2' }, '-')),
 281                                 E('br'),
 282
 283                                 E('div', { 'class': 'table', 'style': 'width:100%;table-layout:fixed' }, [
 284                                         E('div', { 'class': 'tr' }, [
 285                                                 E('div', { 'class': 'td right top' }, E('strong', { 'style': 'border-bottom:2px solid green' }, [ _('Phy Rate:') ])),
 286                                                 E('div', { 'class': 'td', 'id': 'rate_bw_cur' }, [ '0 MBit/s' ]),
 287
 288                                                 E('div', { 'class': 'td right top' }, E('strong', {}, [ _('Average:') ])),
 289                                                 E('div', { 'class': 'td', 'id': 'rate_bw_avg' }, [ '0 MBit/s' ]),
 290
 291                                                 E('div', { 'class': 'td right top' }, E('strong', {}, [ _('Peak:') ])),
 292                                                 E('div', { 'class': 'td', 'id': 'rate_bw_peak' }, [ '0 MBit/s' ])
 293                                         ])
 294                                 ])
 295                         ]));
 296
 297                         this.updateGraph(ifname, csvg1, [ null, { line: 'rssi', offset: 155 }, { line: 'noise', offset: 155 } ], function(svg, info) {
 298                                 var G = svg.firstElementChild, tab = svg.parentNode;
 299
 300                                 G.getElementById('label_25').firstChild.data = '%d %s'.format(info.label_25 - 100, _('dBm'));
 301                                 G.getElementById('label_50').firstChild.data = '%d %s'.format(info.label_50 - 100, _('dBm'));
 302                                 G.getElementById('label_75').firstChild.data = '%d %s'.format(info.label_75 - 100, _('dBm'));
 303
 304                                 tab.querySelector('#scale').firstChild.data = _('(%d minute window, %d second interval)').format(info.timeframe, info.interval);
 305
 306                                 tab.querySelector('#rssi_bw_cur').firstChild.data = '%d %s'.format(info.line_current[0] - 100, _('dBm'));
 307                                 tab.querySelector('#rssi_bw_avg').firstChild.data = '%d %s'.format(info.line_average[0] - 100, _('dBm'));
 308                                 tab.querySelector('#rssi_bw_peak').firstChild.data = '%d %s'.format(info.line_peak[0] - 100, _('dBm'));
 309
 310                                 tab.querySelector('#noise_bw_cur').firstChild.data = '%d %s'.format(info.line_current[1] - 100, _('dBm'));
 311                                 tab.querySelector('#noise_bw_avg').firstChild.data = '%d %s'.format(info.line_average[1] - 100, _('dBm'));
 312                                 tab.querySelector('#noise_bw_peak').firstChild.data = '%d %s'.format(info.line_peak[1] - 100, _('dBm'));
 313                         });
 314
 315                         this.updateGraph(ifname, csvg2, [ { line: 'rate', multiply: 0.001 } ], function(svg, info) {
 316                                 var G = svg.firstElementChild, tab = svg.parentNode;
 317
 318                                 G.getElementById('label_25').firstChild.data = '%.2f %s'.format(info.label_25, _('MBit/s'));
 319                                 G.getElementById('label_50').firstChild.data = '%.2f %s'.format(info.label_50, _('MBit/s'));
 320                                 G.getElementById('label_75').firstChild.data = '%.2f %s'.format(info.label_75, _('MBit/s'));
 321
 322                                 tab.querySelector('#scale2').firstChild.data = _('(%d minute window, %d second interval)').format(info.timeframe, info.interval);
 323
 324                                 tab.querySelector('#rate_bw_cur').firstChild.data = '%d %s'.format(info.line_current[0], _('Mbit/s'));
 325                                 tab.querySelector('#rate_bw_avg').firstChild.data = '%d %s'.format(info.line_average[0], _('Mbit/s'));
 326                                 tab.querySelector('#rate_bw_peak').firstChild.data = '%d %s'.format(info.line_peak[0], _('Mbit/s'));
 327                         });
 328                 }
 329
 330                 ui.tabs.initTabGroup(v.firstElementChild.childNodes);
 331
 332                 this.pollData();
 333
 334                 return v;
 335         },
 336
 337         handleSaveApply: null,
 338         handleSave: null,
 339         handleReset: null
 340 });