<%# Copyright 2010 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 ~= "lo" and not ntm:ignore_interface(dev) 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; var TIME = 0; var RXB = 1; var RXP = 2; var TXB = 3; var TXP = 4; 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_rx = [ ]; var data_tx = [ ]; var line_rx; var line_tx; var label_25; var label_50; var label_75; var label_rx_cur; var label_rx_avg; var label_rx_peak; var label_tx_cur; var label_tx_avg; var label_tx_peak; var label_scale; function bandwidth_label(bytes, br) { var uby = '<%:kB/s%>'; var kby = (bytes / 1024); if (kby >= 1024) { uby = '<%:MB/s%>'; kby = kby / 1024; } var ubi = '<%:kbit/s%>'; var kbi = (bytes * 8 / 1024); if (kbi >= 1024) { ubi = '<%:Mbit/s%>'; kbi = kbi / 1024; } return String.format("%f %s%s(%f %s)", kbi.toFixed(2), ubi, br ? '<br />' : ' ', kby.toFixed(2), uby ); } /* wait for SVG */ window.setTimeout( function() { var svg = document.getElementById('bwsvg'); try { G = svg.getSVGDocument ? svg.getSVGDocument() : svg.contentDocument; } catch(e) { G = document.embeds['bwsvg'].getSVGDocument(); } if (!G) { 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_rx[i] = 0; data_tx[i] = 0; } /* find svg elements */ line_rx = G.getElementById('rx'); line_tx = G.getElementById('tx'); label_25 = G.getElementById('label_25'); label_50 = G.getElementById('label_50'); label_75 = G.getElementById('label_75'); label_rx_cur = document.getElementById('rx_bw_cur'); label_rx_avg = document.getElementById('rx_bw_avg'); label_rx_peak = document.getElementById('rx_bw_peak'); label_tx_cur = document.getElementById('tx_bw_cur'); label_tx_avg = document.getElementById('tx_bw_avg'); label_tx_peak = document.getElementById('tx_bw_peak'); label_scale = document.getElementById('scale'); /* 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); } label_scale.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/bandwidth_status", curdev)%>', null, function(x, data) { var data_max = 0; var data_scale = 0; var data_rx_avg = 0; var data_tx_avg = 0; var data_rx_peak = 0; var data_tx_peak = 0; for (var i = data_stamp ? 0 : 1; i < data.length; i++) { /* skip overlapping entries */ if (data[i][TIME] <= data_stamp) continue; /* normalize difference against time interval */ if (i > 0) { var time_delta = data[i][TIME] - data[i-1][TIME]; if (time_delta) { data_rx.push((data[i][RXB] - data[i-1][RXB]) / time_delta); data_tx.push((data[i][TXB] - data[i-1][TXB]) / time_delta); } } } /* cut off outdated entries */ data_rx = data_rx.slice(data_rx.length - data_wanted, data_rx.length); data_tx = data_tx.slice(data_tx.length - data_wanted, data_tx.length); /* find peak */ for (var i = 0; i < data_rx.length; i++) { data_max = Math.max(data_max, data_rx[i]); data_max = Math.max(data_max, data_tx[i]); data_rx_peak = Math.max(data_rx_peak, data_rx[i]); data_tx_peak = Math.max(data_tx_peak, data_tx[i]); if (i > 0) { data_rx_avg = (data_rx_avg + data_rx[i]) / 2; data_tx_avg = (data_tx_avg + data_tx[i]) / 2; } else { data_rx_avg = data_rx[i]; data_tx_avg = data_tx[i]; } } /* remember current timestamp, calculate horizontal scale */ data_stamp = data[data.length-1][TIME]; data_scale = height / (data_max * 1.1); /* plot data */ var pt_rx = '0,' + height; var pt_tx = '0,' + height; var y_rx = 0; var y_tx = 0; for (var i = 0; i < data_rx.length; i++) { var x = i * step; y_rx = height - Math.floor(data_rx[i] * data_scale); y_tx = height - Math.floor(data_tx[i] * data_scale); pt_rx += ' ' + x + ',' + y_rx; pt_tx += ' ' + x + ',' + y_tx; } pt_rx += ' ' + width + ',' + y_rx + ' ' + width + ',' + height; pt_tx += ' ' + width + ',' + y_tx + ' ' + width + ',' + height; line_rx.setAttribute('points', pt_rx); line_tx.setAttribute('points', pt_tx); label_25.firstChild.data = bandwidth_label(1.1 * 0.25 * data_max); label_50.firstChild.data = bandwidth_label(1.1 * 0.50 * data_max); label_75.firstChild.data = bandwidth_label(1.1 * 0.75 * data_max); label_rx_cur.innerHTML = bandwidth_label(data_rx[data_rx.length-1], true); label_tx_cur.innerHTML = bandwidth_label(data_tx[data_tx.length-1], true); label_rx_avg.innerHTML = bandwidth_label(data_rx_avg, true); label_tx_avg.innerHTML = bandwidth_label(data_tx_avg, true); label_rx_peak.innerHTML = bandwidth_label(data_rx_peak, true); label_tx_peak.innerHTML = bandwidth_label(data_tx_peak, true); } ); } }, 1000 ); //]]></script> <h2 name="content"><%:Realtime Traffic%></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="bwsvg" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/bandwidth.svg" /> <div style="text-align:right"><small id="scale">-</small></div> <br /> <table style="width:100%; table-layout:fixed" cellspacing="5"> <tr> <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid blue"><%:Inbound:%></strong></td> <td id="rx_bw_cur">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td> <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td> <td id="rx_bw_avg">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td> <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td> <td id="rx_bw_peak">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td> </tr> <tr> <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid green"><%:Outbound:%></strong></td> <td id="tx_bw_cur">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td> <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td> <td id="tx_bw_avg">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td> <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td> <td id="tx_bw_peak">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td> </tr> </table> <%+footer%>