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.dispatcher.context.requestpath
18 curdev = curdev[#curdev] ~= "bandwidth" and curdev[#curdev] or devices[1]
23 <script type="text/javascript" src="<%=resource%>/cbi.js"></script>
24 <script type="text/javascript">//<![CDATA[
25 var bwxhr = new XHR();
38 var data_wanted = Math.floor(width / step);
63 function bandwidth_label(bytes, br)
65 var uby = '<%:kB/s%>';
66 var kby = (bytes / 1024);
74 var ubi = '<%:kbit/s%>';
75 var kbi = (bytes * 8 / 1024);
83 return String.format("%f %s%s(%f %s)",
93 var svg = document.getElementById('bwsvg');
96 G = svg.getSVGDocument
97 ? svg.getSVGDocument() : svg.contentDocument;
100 G = document.embeds['bwsvg'].getSVGDocument();
105 window.setTimeout(arguments.callee, 1000);
110 width = svg.offsetWidth - 2;
111 height = svg.offsetHeight - 2;
112 data_wanted = Math.ceil(width / step);
114 /* prefill datasets */
115 for (var i = 0; i < data_wanted; i++)
121 /* find svg elements */
122 line_rx = G.getElementById('rx');
123 line_tx = G.getElementById('tx');
125 label_25 = G.getElementById('label_25');
126 label_50 = G.getElementById('label_50');
127 label_75 = G.getElementById('label_75');
129 label_rx_cur = document.getElementById('rx_bw_cur');
130 label_rx_avg = document.getElementById('rx_bw_avg');
131 label_rx_peak = document.getElementById('rx_bw_peak');
133 label_tx_cur = document.getElementById('tx_bw_cur');
134 label_tx_avg = document.getElementById('tx_bw_avg');
135 label_tx_peak = document.getElementById('tx_bw_peak');
137 label_scale = document.getElementById('scale');
140 /* plot horizontal time interval lines */
141 for (var i = width % (step * 60); i < width; i += step * 60)
143 var line = G.createElementNS('http://www.w3.org/2000/svg', 'line');
144 line.setAttribute('x1', i);
145 line.setAttribute('y1', 0);
146 line.setAttribute('x2', i);
147 line.setAttribute('y2', '100%');
148 line.setAttribute('style', 'stroke:black;stroke-width:0.1');
150 var text = G.createElementNS('http://www.w3.org/2000/svg', 'text');
151 text.setAttribute('x', i + 5);
152 text.setAttribute('y', 15);
153 text.setAttribute('style', 'fill:#999999; font-size:9pt');
154 text.appendChild(G.createTextNode(Math.round((width - i) / step / 60) + 'm'));
156 label_25.parentNode.appendChild(line);
157 label_25.parentNode.appendChild(text);
160 label_scale.innerHTML = String.format('<%:(%d minute window, %d second interval)%>', data_wanted / 60, 3);
162 /* render datasets, start update interval */
163 XHR.poll(3, '<%=build_url("admin/status/realtime/bandwidth_status", curdev)%>', null,
172 var data_rx_peak = 0;
173 var data_tx_peak = 0;
175 for (var i = data_stamp ? 0 : 1; i < data.length; i++)
177 /* skip overlapping entries */
178 if (data[i][TIME] <= data_stamp)
181 /* normalize difference against time interval */
184 var time_delta = data[i][TIME] - data[i-1][TIME];
187 data_rx.push((data[i][RXB] - data[i-1][RXB]) / time_delta);
188 data_tx.push((data[i][TXB] - data[i-1][TXB]) / time_delta);
193 /* cut off outdated entries */
194 data_rx = data_rx.slice(data_rx.length - data_wanted, data_rx.length);
195 data_tx = data_tx.slice(data_tx.length - data_wanted, data_tx.length);
198 for (var i = 0; i < data_rx.length; i++)
200 data_max = Math.max(data_max, data_rx[i]);
201 data_max = Math.max(data_max, data_tx[i]);
203 data_rx_peak = Math.max(data_rx_peak, data_rx[i]);
204 data_tx_peak = Math.max(data_tx_peak, data_tx[i]);
208 data_rx_avg = (data_rx_avg + data_rx[i]) / 2;
209 data_tx_avg = (data_tx_avg + data_tx[i]) / 2;
213 data_rx_avg = data_rx[i];
214 data_tx_avg = data_tx[i];
218 /* remember current timestamp, calculate horizontal scale */
219 data_stamp = data[data.length-1][TIME];
220 data_scale = height / (data_max * 1.1);
224 var pt_rx = '0,' + height;
225 var pt_tx = '0,' + height;
230 for (var i = 0; i < data_rx.length; i++)
234 y_rx = height - Math.floor(data_rx[i] * data_scale);
235 y_tx = height - Math.floor(data_tx[i] * data_scale);
237 pt_rx += ' ' + x + ',' + y_rx;
238 pt_tx += ' ' + x + ',' + y_tx;
241 pt_rx += ' ' + width + ',' + y_rx + ' ' + width + ',' + height;
242 pt_tx += ' ' + width + ',' + y_tx + ' ' + width + ',' + height;
245 line_rx.setAttribute('points', pt_rx);
246 line_tx.setAttribute('points', pt_tx);
248 label_25.firstChild.data = bandwidth_label(1.1 * 0.25 * data_max);
249 label_50.firstChild.data = bandwidth_label(1.1 * 0.50 * data_max);
250 label_75.firstChild.data = bandwidth_label(1.1 * 0.75 * data_max);
252 label_rx_cur.innerHTML = bandwidth_label(data_rx[data_rx.length-1], true);
253 label_tx_cur.innerHTML = bandwidth_label(data_tx[data_tx.length-1], true);
255 label_rx_avg.innerHTML = bandwidth_label(data_rx_avg, true);
256 label_tx_avg.innerHTML = bandwidth_label(data_tx_avg, true);
258 label_rx_peak.innerHTML = bandwidth_label(data_rx_peak, true);
259 label_tx_peak.innerHTML = bandwidth_label(data_tx_peak, true);
267 <h2 name="content"><%:Realtime Traffic%></h2>
269 <ul class="cbi-tabmenu">
270 <% for _, dev in ipairs(devices) do %>
271 <li class="cbi-tab<%= dev == curdev and "" or "-disabled" %>"><a href="<%=pcdata(dev)%>"><%=pcdata(dev)%></a></li>
275 <embed id="bwsvg" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/bandwidth.svg" />
276 <div style="text-align:right"><small id="scale">-</small></div>
279 <table style="width:100%; table-layout:fixed" cellspacing="5">
281 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid blue"><%:Inbound:%></strong></td>
282 <td id="rx_bw_cur">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td>
284 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
285 <td id="rx_bw_avg">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td>
287 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
288 <td id="rx_bw_peak">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td>
291 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid green"><%:Outbound:%></strong></td>
292 <td id="tx_bw_cur">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td>
294 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
295 <td id="tx_bw_avg">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td>
297 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
298 <td id="tx_bw_peak">0 <%:kbit/s%><br />(0 <%:kB/s%>)</td>