2 LuCI - Lua Configuration Interface
3 Copyright
2010 Jo-Philipp Wich
<xm@subsignal.org
>
5 Licensed under the Apache License, Version
2.0 (the
"License");
6 you may not use this file except in compliance with the License.
7 You may obtain a copy of the License at
9 http://www.apache.org/licenses/LICENSE-
2.0
16 local ntm = require
"luci.model.network".init()
20 for _, dev in luci.util.vspairs(luci.sys.net.devices()) do
21 if dev ~=
"lo" and not ntm:ignore_interface(dev) then
22 devices[#devices+
1] = dev
26 local curdev = luci.dispatcher.context.requestpath
27 curdev = curdev[#curdev] ~=
"bandwidth" and curdev[#curdev] or devices[
1]
32 <script type=
"text/javascript" src=
"<%=resource%>/cbi.js"></script>
33 <script type=
"text/javascript">//<![CDATA[
34 var bwxhr = new XHR();
47 var data_wanted = Math.floor(width / step);
72 function bandwidth_label(bytes, br)
75 var kby = (bytes /
1024);
84 var kbi = (bytes *
8 /
1024);
92 return String.format(
"%f %s/s%s(%f %s/s)",
102 var svg = document.getElementById('bwsvg');
105 G = svg.getSVGDocument
106 ? svg.getSVGDocument() : svg.contentDocument;
109 G = document.embeds['bwsvg'].getSVGDocument();
114 window.setTimeout(arguments.callee,
1000);
119 width = svg.offsetWidth -
2;
120 height = svg.offsetHeight -
2;
121 data_wanted = Math.ceil(width / step);
123 /* prefill datasets */
124 for (var i =
0; i < data_wanted; i++)
130 /* find svg elements */
131 line_rx = G.getElementById('rx');
132 line_tx = G.getElementById('tx');
134 label_25 = G.getElementById('label_25');
135 label_50 = G.getElementById('label_50');
136 label_75 = G.getElementById('label_75');
138 label_rx_cur = document.getElementById('rx_bw_cur');
139 label_rx_avg = document.getElementById('rx_bw_avg');
140 label_rx_peak = document.getElementById('rx_bw_peak');
142 label_tx_cur = document.getElementById('tx_bw_cur');
143 label_tx_avg = document.getElementById('tx_bw_avg');
144 label_tx_peak = document.getElementById('tx_bw_peak');
146 label_scale = document.getElementById('scale');
149 /* plot horizontal time interval lines */
150 for (var i = width % (step *
60); i < width; i += step *
60)
152 var line = G.createElementNS('http://www.w3.org/
2000/svg', 'line');
153 line.setAttribute('x1', i);
154 line.setAttribute('y1',
0);
155 line.setAttribute('x2', i);
156 line.setAttribute('y2', '
100%');
157 line.setAttribute('style', 'stroke:black;stroke-width:
0.1');
159 var text = G.createElementNS('http://www.w3.org/
2000/svg', 'text');
160 text.setAttribute('x', i +
5);
161 text.setAttribute('y',
15);
162 text.setAttribute('style', 'fill:#
999999; font-size:
9pt');
163 text.appendChild(G.createTextNode(Math.round((width - i) / step /
60) + 'm'));
165 label_25.parentNode.appendChild(line);
166 label_25.parentNode.appendChild(text);
169 label_scale.innerHTML = String.format('<%:(%d minute window, %d second interval)%
>', data_wanted /
60,
3);
171 /* render datasets, start update interval */
172 XHR.poll(
3, '<%=build_url(
"admin/status/realtime/bandwidth_status", curdev)%
>', null,
181 var data_rx_peak =
0;
182 var data_tx_peak =
0;
184 for (var i = data_stamp ?
0 :
1; i < data.length; i++)
186 /* skip overlapping entries */
187 if (data[i][TIME] <= data_stamp)
190 /* normalize difference against time interval */
193 var time_delta = data[i][TIME] - data[i-
1][TIME];
196 data_rx.push((data[i][RXB] - data[i-
1][RXB]) / time_delta);
197 data_tx.push((data[i][TXB] - data[i-
1][TXB]) / time_delta);
202 /* cut off outdated entries */
203 data_rx = data_rx.slice(data_rx.length - data_wanted, data_rx.length);
204 data_tx = data_tx.slice(data_tx.length - data_wanted, data_tx.length);
207 for (var i =
0; i < data_rx.length; i++)
209 data_max = Math.max(data_max, data_rx[i]);
210 data_max = Math.max(data_max, data_tx[i]);
212 data_rx_peak = Math.max(data_rx_peak, data_rx[i]);
213 data_tx_peak = Math.max(data_tx_peak, data_tx[i]);
217 data_rx_avg = (data_rx_avg + data_rx[i]) /
2;
218 data_tx_avg = (data_tx_avg + data_tx[i]) /
2;
222 data_rx_avg = data_rx[i];
223 data_tx_avg = data_tx[i];
227 /* remember current timestamp, calculate horizontal scale */
228 data_stamp = data[data.length-
1][TIME];
229 data_scale = height / (data_max *
1.1);
233 var pt_rx = '
0,' + height;
234 var pt_tx = '
0,' + height;
239 for (var i =
0; i < data_rx.length; i++)
243 y_rx = height - Math.floor(data_rx[i] * data_scale);
244 y_tx = height - Math.floor(data_tx[i] * data_scale);
246 pt_rx += ' ' + x + ',' + y_rx;
247 pt_tx += ' ' + x + ',' + y_tx;
250 pt_rx += ' ' + width + ',' + y_rx + ' ' + width + ',' + height;
251 pt_tx += ' ' + width + ',' + y_tx + ' ' + width + ',' + height;
254 line_rx.setAttribute('points', pt_rx);
255 line_tx.setAttribute('points', pt_tx);
257 label_25.firstChild.data = bandwidth_label(
1.1 *
0.25 * data_max);
258 label_50.firstChild.data = bandwidth_label(
1.1 *
0.50 * data_max);
259 label_75.firstChild.data = bandwidth_label(
1.1 *
0.75 * data_max);
261 label_rx_cur.innerHTML = bandwidth_label(data_rx[data_rx.length-
1], true);
262 label_tx_cur.innerHTML = bandwidth_label(data_tx[data_tx.length-
1], true);
264 label_rx_avg.innerHTML = bandwidth_label(data_rx_avg, true);
265 label_tx_avg.innerHTML = bandwidth_label(data_tx_avg, true);
267 label_rx_peak.innerHTML = bandwidth_label(data_rx_peak, true);
268 label_tx_peak.innerHTML = bandwidth_label(data_tx_peak, true);
276 <h2><a id=
"content" name=
"content"><%:Realtime Traffic%
></a></h2>
278 <ul class=
"cbi-tabmenu">
279 <% for _, dev in ipairs(devices) do %
>
280 <li class=
"cbi-tab<%= dev == curdev and "" or "-disabled
" %>"><a href=
"<%=pcdata(dev)%>"><%=pcdata(dev)%
></a></li>
284 <embed id=
"bwsvg" style=
"width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src=
"<%=resource%>/bandwidth.svg" />
285 <div style=
"text-align:right"><small id=
"scale">-
</small></div>
288 <table style=
"width:100%; table-layout:fixed" cellspacing=
"5">
290 <td style=
"text-align:right; vertical-align:top"><strong style=
"border-bottom:2px solid blue"><%:Inbound:%
></strong></td>
291 <td id=
"rx_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=
"rx_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=
"rx_bw_peak">0 kbit/s
<br />(
0 KB/s)
</td>
300 <td style=
"text-align:right; vertical-align:top"><strong style=
"border-bottom:2px solid green"><%:Outbound:%
></strong></td>
301 <td id=
"tx_bw_cur">0 kbit/s
<br />(
0 KB/s)
</td>
303 <td style=
"text-align:right; vertical-align:top"><strong><%:Average:%
></strong></td>
304 <td id=
"tx_bw_avg">0 kbit/s
<br />(
0 KB/s)
</td>
306 <td style=
"text-align:right; vertical-align:top"><strong><%:Peak:%
></strong></td>
307 <td id=
"tx_bw_peak">0 kbit/s
<br />(
0 KB/s)
</td>