<%# Copyright 2011 Jo-Philipp Wich <jow@openwrt.org> Licensed to the public under the Apache License 2.0. -%> <%- 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.http.formvalue("dev") 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; /* 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 = width % (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((width - 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((width - 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, 3); label_scale_2.innerHTML = String.format('<%:(%d minute window, %d second interval)%>', data_wanted / 60, 3); /* render datasets, start update interval */ XHR.poll(3, '<%=build_url("admin/status/realtime/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] / 1000)); } /* 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]).nobr(); label_noise_cur.innerHTML = wireless_label(data_noise[data_noise.length-1]).nobr(); label_rssi_avg.innerHTML = wireless_label(data_rssi_avg, data_noise_avg).nobr(); label_noise_avg.innerHTML = wireless_label(data_noise_avg).nobr(); label_rssi_peak.innerHTML = wireless_label(data_rssi_peak, data_noise_peak).nobr(); label_noise_peak.innerHTML = wireless_label(data_noise_peak).nobr(); 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); } ); } }, 1000 ); //]]></script> <h2 name="content"><%:Realtime Wireless%></h2> <ul class="cbi-tabmenu"> <% for _, dev in ipairs(devices) do %> <li class="cbi-tab<%= dev == curdev and "" or "-disabled" %>"><a href="?dev=<%=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 /> <div class="table" style="width:100%; table-layout:fixed" cellspacing="5"> <div class="tr"> <div class="td" style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid blue"><%:Signal:%></strong></div> <div class="td" id="rssi_bw_cur">0 <%:dBm%></div> <div class="td" style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></div> <div class="td" id="rssi_bw_avg">0 <%:dBm%></div> <div class="td" style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></div> <div class="td" id="rssi_bw_peak">0 <%:dBm%></div> </div> <div class="tr"> <div class="td" style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid red"><%:Noise:%></strong></div> <div class="td" id="noise_bw_cur">0 <%:dBm%></div> <div class="td" style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></div> <div class="td" id="noise_bw_avg">0 <%:dBm%></div> <div class="td" style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></div> <div class="td" id="noise_bw_peak">0 <%:dBm%></div> </div> </div> <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 /> <div class="table" style="width:100%; table-layout:fixed" cellspacing="5"> <div class="tr"> <div class="td" style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid green"><%:Phy Rate:%></strong></div> <div class="td" id="rate_bw_cur">0 MBit/s</div> <div class="td" style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></div> <div class="td" id="rate_bw_avg">0 MBit/s</div> <div class="td" style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></div> <div class="td" id="rate_bw_peak">0 MBit/s</div> </div> </div> <%+footer%>