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[project/luci.git] / modules / luci-mod-status / htdocs / luci-static / resources / view / status / channel_analysis.js
1 'use strict';
2 'require view';
3 'require poll';
4 'require request';
5 'require network';
6 'require ui';
7 'require rpc';
8 'require tools.prng as random';
9
10 return view.extend({
11 callFrequencyList : rpc.declare({
12 object: 'iwinfo',
13 method: 'freqlist',
14 params: [ 'device' ],
15 expect: { results: [] }
16 }),
17
18 callInfo : rpc.declare({
19 object: 'iwinfo',
20 method: 'info',
21 params: [ 'device' ],
22 expect: { }
23 }),
24
25 render_signal_badge: function(signalPercent, signalValue) {
26 var icon, title, value;
27
28 if (signalPercent < 0)
29 icon = L.resource('icons/signal-none.png');
30 else if (signalPercent == 0)
31 icon = L.resource('icons/signal-0.png');
32 else if (signalPercent < 25)
33 icon = L.resource('icons/signal-0-25.png');
34 else if (signalPercent < 50)
35 icon = L.resource('icons/signal-25-50.png');
36 else if (signalPercent < 75)
37 icon = L.resource('icons/signal-50-75.png');
38 else
39 icon = L.resource('icons/signal-75-100.png');
40
41 value = '%d\xa0%s'.format(signalValue, _('dBm'));
42 title = '%s: %d %s'.format(_('Signal'), signalValue, _('dBm'));
43
44 return E('div', {
45 'class': 'ifacebadge',
46 'title': title,
47 'data-signal': signalValue
48 }, [
49 E('img', { 'src': icon }),
50 value
51 ]);
52 },
53
54 add_wifi_to_graph: function(chan_analysis, res, scanCache, channels, channel_width) {
55 var offset_tbl = chan_analysis.offset_tbl,
56 height = chan_analysis.graph.offsetHeight - 2,
57 step = chan_analysis.col_width,
58 height_diff = (height-(height-(res.signal*-4)));
59
60 if (scanCache[res.bssid].color == null)
61 scanCache[res.bssid].color = random.derive_color(res.bssid);
62
63 if (scanCache[res.bssid].graph == null)
64 scanCache[res.bssid].graph = [];
65
66 channels.forEach(function(channel) {
67 var chan_offset = offset_tbl[channel],
68 points = [
69 (chan_offset-(step*channel_width))+','+height,
70 (chan_offset-(step*(channel_width-1)))+','+height_diff,
71 (chan_offset+(step*(channel_width-1)))+','+height_diff,
72 (chan_offset+(step*(channel_width)))+','+height
73 ];
74
75 if (scanCache[res.bssid].graph[i] == null) {
76 var group = document.createElementNS('http://www.w3.org/2000/svg', 'g'),
77 line = document.createElementNS('http://www.w3.org/2000/svg', 'polyline'),
78 text = document.createElementNS('http://www.w3.org/2000/svg', 'text'),
79 color = scanCache[res.bssid].color;
80
81 line.setAttribute('style', 'fill:'+color+'4f'+';stroke:'+color+';stroke-width:0.5');
82 text.setAttribute('style', 'fill:'+color+';font-size:9pt; font-family:sans-serif; text-shadow:1px 1px 1px #000');
83 text.appendChild(document.createTextNode(res.ssid || res.bssid));
84
85 group.appendChild(line)
86 group.appendChild(text)
87
88 chan_analysis.graph.firstElementChild.appendChild(group);
89 scanCache[res.bssid].graph[i] = { group : group, line : line, text : text };
90 }
91
92 scanCache[res.bssid].graph[i].text.setAttribute('x', chan_offset-step);
93 scanCache[res.bssid].graph[i].text.setAttribute('y', height_diff - 2);
94 scanCache[res.bssid].graph[i].line.setAttribute('points', points);
95 scanCache[res.bssid].graph[i].group.style.zIndex = res.signal*-1;
96 scanCache[res.bssid].graph[i].group.style.opacity = res.stale ? '0.5' : null;
97 })
98 },
99
100 create_channel_graph: function(chan_analysis, freq_tbl, band) {
101 var columns = (band != 2) ? freq_tbl.length * 4 : freq_tbl.length + 3,
102 chan_graph = chan_analysis.graph,
103 G = chan_graph.firstElementChild,
104 step = (chan_graph.offsetWidth - 2) / columns,
105 curr_offset = step;
106
107 function createGraphHLine(graph, pos, width, dash) {
108 var elem = document.createElementNS('http://www.w3.org/2000/svg', 'line');
109 elem.setAttribute('x1', pos);
110 elem.setAttribute('y1', 0);
111 elem.setAttribute('x2', pos);
112 elem.setAttribute('y2', '100%');
113 elem.setAttribute('style', 'stroke:black;stroke-width:'+width+';stroke-dasharray:'+dash);
114 graph.appendChild(elem);
115 }
116
117 function createGraphText(graph, pos, text) {
118 var elem = document.createElementNS('http://www.w3.org/2000/svg', 'text');
119 elem.setAttribute('y', 15);
120 elem.setAttribute('style', 'fill:#eee; font-size:9pt; font-family:sans-serif; text-shadow:1px 1px 1px #000');
121 elem.setAttribute('x', pos + 5);
122 elem.appendChild(document.createTextNode(text));
123 graph.appendChild(elem);
124 }
125
126 chan_analysis.col_width = step;
127
128 createGraphHLine(G,curr_offset, 0.1, 1);
129 for (var i=0; i< freq_tbl.length;i++) {
130 var channel = freq_tbl[i]
131 chan_analysis.offset_tbl[channel] = curr_offset+step;
132
133 if (band != 2) {
134 createGraphHLine(G,curr_offset+step, 0.1, 3);
135 if (channel < 100)
136 createGraphText(G,curr_offset-(step/2), channel);
137 else
138 createGraphText(G,curr_offset-step, channel);
139 } else {
140 createGraphHLine(G,curr_offset+step, 0.1, 0);
141 createGraphText(G,curr_offset+step, channel);
142 }
143 curr_offset += step;
144
145 if ((band != 2) && freq_tbl[i+1]) {
146 var next_channel = freq_tbl[i+1];
147 /* Check if we are transitioning to another 5Ghz band range */
148 if ((next_channel - channel) == 4) {
149 for (var j=1; j < 4; j++) {
150 chan_analysis.offset_tbl[channel+j] = curr_offset+step;
151 if (j == 2)
152 createGraphHLine(G,curr_offset+step, 0.1, 0);
153 else
154 createGraphHLine(G,curr_offset+step, 0.1, 1);
155 curr_offset += step;
156 }
157 } else {
158 chan_analysis.offset_tbl[channel+1] = curr_offset+step;
159 createGraphHLine(G,curr_offset+step, 0.1, 1);
160 curr_offset += step;
161
162 chan_analysis.offset_tbl[next_channel-2] = curr_offset+step;
163 createGraphHLine(G,curr_offset+step, 0.5, 0);
164 curr_offset += step;
165
166 chan_analysis.offset_tbl[next_channel-1] = curr_offset+step;
167 createGraphHLine(G,curr_offset+step, 0.1, 1);
168 curr_offset += step;
169 }
170 }
171 }
172 createGraphHLine(G,curr_offset+step, 0.1, 1);
173
174 chan_analysis.tab.addEventListener('cbi-tab-active', L.bind(function(ev) {
175 this.active_tab = ev.detail.tab;
176 if (!this.radios[this.active_tab].loadedOnce)
177 poll.start();
178 }, this));
179 },
180
181 handleScanRefresh: function() {
182 if (!this.active_tab)
183 return;
184
185 var radio = this.radios[this.active_tab];
186
187 return Promise.all([
188 radio.dev.getScanList(),
189 this.callInfo(radio.dev.getName())
190 ]).then(L.bind(function(data) {
191 var results = data[0],
192 local_wifi = data[1],
193 table = radio.table,
194 chan_analysis = radio.graph,
195 scanCache = radio.scanCache,
196 band = radio.band;
197
198 var rows = [];
199
200 for (var i = 0; i < results.length; i++) {
201 if (scanCache[results[i].bssid] == null)
202 scanCache[results[i].bssid] = {};
203
204 scanCache[results[i].bssid].data = results[i];
205 scanCache[results[i].bssid].data.stale = false;
206 }
207
208 if (band + 'g' == radio.dev.get('band')) {
209 if (scanCache[local_wifi.bssid] == null)
210 scanCache[local_wifi.bssid] = {};
211
212 scanCache[local_wifi.bssid].data = local_wifi;
213
214 if (chan_analysis.offset_tbl[local_wifi.channel] != null && local_wifi.center_chan1) {
215 var center_channels = [local_wifi.center_chan1],
216 chan_width_text = local_wifi.htmode.replace(/(V)*H[TE]/,''), /* Handle HT VHT HE */
217 chan_width = parseInt(chan_width_text)/10;
218
219 if (local_wifi.center_chan2) {
220 center_channels.push(local_wifi.center_chan2);
221 chan_width = 8;
222 }
223
224 local_wifi.signal = -10;
225 local_wifi.ssid = 'Local Interface';
226
227 this.add_wifi_to_graph(chan_analysis, local_wifi, scanCache, center_channels, chan_width);
228 rows.push([
229 this.render_signal_badge(q, local_wifi.signal),
230 [
231 E('span', { 'style': 'color:'+scanCache[local_wifi.bssid].color }, '⬤ '),
232 local_wifi.ssid
233 ],
234 '%d'.format(local_wifi.channel),
235 '%h MHz'.format(chan_width_text),
236 '%h'.format(local_wifi.mode),
237 '%h'.format(local_wifi.bssid)
238 ]);
239 }
240 }
241
242 for (var k in scanCache)
243 if (scanCache[k].data.stale)
244 results.push(scanCache[k].data);
245
246 results.sort(function(a, b) {
247 if (a.channel - b.channel)
248 return 1;
249
250 if (a.ssid < b.ssid)
251 return -1;
252 else if (a.ssid > b.ssid)
253 return 1;
254
255 if (a.bssid < b.bssid)
256 return -1;
257 else if (a.bssid > b.bssid)
258 return 1;
259 });
260
261 for (var i = 0; i < results.length; i++) {
262 var res = results[i],
263 qv = res.quality || 0,
264 qm = res.quality_max || 0,
265 q = (qv > 0 && qm > 0) ? Math.floor((100 / qm) * qv) : 0,
266 s = res.stale ? 'opacity:0.5' : '',
267 center_channels = [res.channel],
268 chan_width = 2;
269
270 /* Skip WiFi not supported by the current band */
271 if (band != res.band)
272 continue;
273 if (chan_analysis.offset_tbl[res.channel] == null)
274 continue;
275
276 res.channel_width = "20 MHz";
277 if (res.ht_operation != null)
278 if (res.ht_operation.channel_width == 2040) { /* 40 MHz Channel Enabled */
279 if (res.ht_operation.secondary_channel_offset == "below") {
280 res.channel_width = "40 MHz";
281 chan_width = 4; /* 40 MHz Channel Used */
282 center_channels[0] -= 2;
283 } else if (res.ht_operation.secondary_channel_offset == "above") {
284 res.channel_width = "40 MHz";
285 chan_width = 4; /* 40 MHz Channel Used */
286 center_channels[0] += 2;
287 } else {
288 res.channel_width = "20 MHz (40 MHz Intolerant)";
289 }
290 }
291
292 if (res.vht_operation != null) {
293 center_channels[0] = res.vht_operation.center_freq_1;
294 if (res.vht_operation.channel_width == 80) {
295 chan_width = 8;
296 res.channel_width = "80 MHz";
297 } else if (res.vht_operation.channel_width == 8080) {
298 res.channel_width = "80+80 MHz";
299 chan_width = 8;
300 center_channels.push(res.vht_operation.center_freq_2);
301 } else if (res.vht_operation.channel_width == 160) {
302 res.channel_width = "160 MHz";
303 chan_width = 16;
304 }
305 }
306
307 this.add_wifi_to_graph(chan_analysis, res, scanCache, center_channels, chan_width);
308
309 rows.push([
310 E('span', { 'style': s }, this.render_signal_badge(q, res.signal)),
311 E('span', { 'style': s }, [
312 E('span', { 'style': 'color:'+scanCache[results[i].bssid].color }, '⬤ '),
313 (res.ssid != null) ? '%h'.format(res.ssid) : E('em', _('hidden'))
314 ]),
315 E('span', { 'style': s }, '%d'.format(res.channel)),
316 E('span', { 'style': s }, '%h'.format(res.channel_width)),
317 E('span', { 'style': s }, '%h'.format(res.mode)),
318 E('span', { 'style': s }, '%h'.format(res.bssid))
319 ]);
320
321 scanCache[results[i].bssid].data.stale = true;
322 }
323
324 cbi_update_table(table, rows);
325
326 if (!radio.loadedOnce) {
327 radio.loadedOnce = true;
328 poll.stop();
329 }
330 }, this))
331 },
332
333 radios : {},
334
335 loadSVG : function(src) {
336 return request.get(src).then(function(response) {
337 if (!response.ok)
338 throw new Error(response.statusText);
339
340 return E('div', {
341 'id': 'channel_graph',
342 'style': 'width:100%;height:400px;border:1px solid #000;background:#fff'
343 }, E(response.text()));
344 });
345 },
346
347 load: function() {
348 return Promise.all([
349 this.loadSVG(L.resource('svg/channel_analysis.svg')),
350 network.getWifiDevices().then(L.bind(function(data) {
351 var tasks = [], ret = [];
352
353 for (var i = 0; i < data.length; i++) {
354 ret[data[i].getName()] = { dev : data[i] };
355
356 tasks.push(this.callFrequencyList(data[i].getName())
357 .then(L.bind(function(radio, data) {
358 ret[radio.getName()].freq = data;
359 }, this, data[i])));
360 }
361
362 return Promise.all(tasks).then(function() { return ret; })
363 }, this))
364 ]);
365 },
366
367 render: function(data) {
368 var svg = data[0],
369 wifiDevs = data[1];
370
371 var h2 = E('div', {'class' : 'cbi-title-section'}, [
372 E('h2', {'class': 'cbi-title-field'}, [ _('Channel Analysis') ]),
373 E('div', {'class': 'cbi-title-buttons' }, [
374 E('button', {
375 'class': 'cbi-button cbi-button-edit',
376 'click': ui.createHandlerFn(this, 'handleScanRefresh')
377 }, [ _('Refresh Channels') ])])
378 ]);
379
380 var tabs = E('div', {}, E('div'));
381
382 for (var ifname in wifiDevs) {
383 var bands = {
384 [2] : { title: '2.4GHz', channels: [] },
385 [5] : { title: '5GHz', channels: [] },
386 };
387
388 /* Split FrequencyList in Bands */
389 wifiDevs[ifname].freq.forEach(function(freq) {
390 if (bands[freq.band])
391 bands[freq.band].channels.push(freq.channel);
392 });
393
394 for (var band in bands) {
395 if (bands[band].channels.length == 0)
396 continue;
397
398 var csvg = svg.cloneNode(true),
399 table = E('table', { 'class': 'table' }, [
400 E('tr', { 'class': 'tr table-titles' }, [
401 E('th', { 'class': 'th col-2 middle center' }, _('Signal')),
402 E('th', { 'class': 'th col-4 middle left' }, _('SSID')),
403 E('th', { 'class': 'th col-2 middle center hide-xs' }, _('Channel')),
404 E('th', { 'class': 'th col-3 middle left' }, _('Channel Width')),
405 E('th', { 'class': 'th col-2 middle left hide-xs' }, _('Mode')),
406 E('th', { 'class': 'th col-3 middle left hide-xs' }, _('BSSID'))
407 ])
408 ]),
409 tab = E('div', { 'data-tab': ifname+band, 'data-tab-title': ifname+' ('+bands[band].title+')' },
410 [E('br'),csvg,E('br'),table,E('br')]),
411 graph_data = {
412 graph: csvg,
413 offset_tbl: {},
414 col_width: 0,
415 tab: tab,
416 };
417
418 this.radios[ifname+band] = {
419 dev: wifiDevs[ifname].dev,
420 band: band,
421 graph: graph_data,
422 table: table,
423 scanCache: {},
424 loadedOnce: false,
425 };
426
427 cbi_update_table(table, [], E('em', { class: 'spinning' }, _('Starting wireless scan...')));
428
429 tabs.firstElementChild.appendChild(tab)
430
431 requestAnimationFrame(L.bind(this.create_channel_graph, this, graph_data, bands[band].channels, band));
432 }
433 }
434
435 ui.tabs.initTabGroup(tabs.firstElementChild.childNodes);
436
437 this.pollFn = L.bind(this.handleScanRefresh, this);
438 poll.add(this.pollFn);
439
440 return E('div', {}, [h2, tabs]);
441 },
442
443 handleSaveApply: null,
444 handleSave: null,
445 handleReset: null
446 });
Lua Configuration Interface (mirror)