2 Copyright 2010 Jo-Philipp Wich <jow@openwrt.org>
3 Licensed to the public under the Apache License 2.0.
7 local ntm = require "luci.model.network".init()
11 for _, dev in luci.util.vspairs(luci.sys.net.devices()) do
12 if dev ~= "lo" and not ntm:ignore_interface(dev) then
13 devices[#devices+1] = dev
17 local curdev = luci.http.formvalue("dev") or devices[1]
22 <script type="text/javascript" src="<%=resource%>/cbi.js"></script>
23 <script type="text/javascript">//<![CDATA[
24 var bwxhr = new XHR();
37 var data_wanted = Math.floor(width / step);
62 function bandwidth_label(bytes, br)
64 var uby = '<%:kB/s%>';
65 var kby = (bytes / 1024);
73 var ubi = '<%:kbit/s%>';
74 var kbi = (bytes * 8 / 1024);
82 return String.format("%f %s%s(%f %s)",
92 var svg = document.getElementById('bwsvg');
95 G = svg.getSVGDocument
96 ? svg.getSVGDocument() : svg.contentDocument;
99 G = document.embeds['bwsvg'].getSVGDocument();
104 window.setTimeout(arguments.callee, 1000);
109 width = svg.offsetWidth - 2;
110 height = svg.offsetHeight - 2;
111 data_wanted = Math.ceil(width / step);
113 /* prefill datasets */
114 for (var i = 0; i < data_wanted; i++)
120 /* find svg elements */
121 line_rx = G.getElementById('rx');
122 line_tx = G.getElementById('tx');
124 label_25 = G.getElementById('label_25');
125 label_50 = G.getElementById('label_50');
126 label_75 = G.getElementById('label_75');
128 label_rx_cur = document.getElementById('rx_bw_cur');
129 label_rx_avg = document.getElementById('rx_bw_avg');
130 label_rx_peak = document.getElementById('rx_bw_peak');
132 label_tx_cur = document.getElementById('tx_bw_cur');
133 label_tx_avg = document.getElementById('tx_bw_avg');
134 label_tx_peak = document.getElementById('tx_bw_peak');
136 label_scale = document.getElementById('scale');
139 /* plot horizontal time interval lines */
140 for (var i = width % (step * 60); i < width; i += step * 60)
142 var line = G.createElementNS('http://www.w3.org/2000/svg', 'line');
143 line.setAttribute('x1', i);
144 line.setAttribute('y1', 0);
145 line.setAttribute('x2', i);
146 line.setAttribute('y2', '100%');
147 line.setAttribute('style', 'stroke:black;stroke-width:0.1');
149 var text = G.createElementNS('http://www.w3.org/2000/svg', 'text');
150 text.setAttribute('x', i + 5);
151 text.setAttribute('y', 15);
152 text.setAttribute('style', 'fill:#999999; font-size:9pt');
153 text.appendChild(G.createTextNode(Math.round((width - i) / step / 60) + 'm'));
155 label_25.parentNode.appendChild(line);
156 label_25.parentNode.appendChild(text);
159 label_scale.innerHTML = String.format('<%:(%d minute window, %d second interval)%>', data_wanted / 60, 3);
161 /* render datasets, start update interval */
162 XHR.poll(3, '<%=build_url("admin/status/realtime/bandwidth_status", curdev)%>', null,
171 var data_rx_peak = 0;
172 var data_tx_peak = 0;
174 for (var i = data_stamp ? 0 : 1; i < data.length; i++)
176 /* skip overlapping entries */
177 if (data[i][TIME] <= data_stamp)
180 /* normalize difference against time interval */
183 var time_delta = data[i][TIME] - data[i-1][TIME];
186 data_rx.push((data[i][RXB] - data[i-1][RXB]) / time_delta);
187 data_tx.push((data[i][TXB] - data[i-1][TXB]) / time_delta);
192 /* cut off outdated entries */
193 data_rx = data_rx.slice(data_rx.length - data_wanted, data_rx.length);
194 data_tx = data_tx.slice(data_tx.length - data_wanted, data_tx.length);
197 for (var i = 0; i < data_rx.length; i++)
199 data_max = Math.max(data_max, data_rx[i]);
200 data_max = Math.max(data_max, data_tx[i]);
202 data_rx_peak = Math.max(data_rx_peak, data_rx[i]);
203 data_tx_peak = Math.max(data_tx_peak, data_tx[i]);
207 data_rx_avg = (data_rx_avg + data_rx[i]) / 2;
208 data_tx_avg = (data_tx_avg + data_tx[i]) / 2;
212 data_rx_avg = data_rx[i];
213 data_tx_avg = data_tx[i];
217 /* remember current timestamp, calculate horizontal scale */
218 data_stamp = data[data.length-1][TIME];
219 data_scale = height / (data_max * 1.1);
223 var pt_rx = '0,' + height;
224 var pt_tx = '0,' + height;
229 for (var i = 0; i < data_rx.length; i++)
233 y_rx = height - Math.floor(data_rx[i] * data_scale);
234 y_tx = height - Math.floor(data_tx[i] * data_scale);
236 pt_rx += ' ' + x + ',' + y_rx;
237 pt_tx += ' ' + x + ',' + y_tx;
240 pt_rx += ' ' + width + ',' + y_rx + ' ' + width + ',' + height;
241 pt_tx += ' ' + width + ',' + y_tx + ' ' + width + ',' + height;
244 line_rx.setAttribute('points', pt_rx);
245 line_tx.setAttribute('points', pt_tx);
247 label_25.firstChild.data = bandwidth_label(1.1 * 0.25 * data_max);
248 label_50.firstChild.data = bandwidth_label(1.1 * 0.50 * data_max);
249 label_75.firstChild.data = bandwidth_label(1.1 * 0.75 * data_max);
251 label_rx_cur.innerHTML = bandwidth_label(data_rx[data_rx.length-1], true);
252 label_tx_cur.innerHTML = bandwidth_label(data_tx[data_tx.length-1], true);
254 label_rx_avg.innerHTML = bandwidth_label(data_rx_avg, true);
255 label_tx_avg.innerHTML = bandwidth_label(data_tx_avg, true);
257 label_rx_peak.innerHTML = bandwidth_label(data_rx_peak, true);
258 label_tx_peak.innerHTML = bandwidth_label(data_tx_peak, true);
266 <h2 name="content"><%:Realtime Traffic%></h2>
268 <ul class="cbi-tabmenu">
269 <% for _, dev in ipairs(devices) do %>
270 <li class="cbi-tab<%= dev == curdev and "" or "-disabled" %>"><a href="?dev=<%=pcdata(dev)%>"><%=pcdata(dev)%></a></li>
274 <embed id="bwsvg" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/bandwidth.svg" />
275 <div style="text-align:right"><small id="scale">-</small></div>
278 <table style="width:100%; table-layout:fixed" cellspacing="5">
280 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid blue"><%:Inbound:%></strong></td>
281 <td id="rx_bw_cur">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td>
283 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
284 <td id="rx_bw_avg">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td>
286 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
287 <td id="rx_bw_peak">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td>
290 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid green"><%:Outbound:%></strong></td>
291 <td id="tx_bw_cur">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td>
293 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
294 <td id="tx_bw_avg">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td>
296 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
297 <td id="tx_bw_peak">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td>