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]);
205 data_rx_avg += data_rx[i];
206 data_tx_avg += data_tx[i];
209 data_rx_avg = (data_rx_avg / Math.max(data_rx.length,
1));
210 data_tx_avg = (data_tx_avg / Math.max(data_tx.length,
1));
212 /* remember current timestamp, calculate horizontal scale */
213 data_stamp = data[data.length-
1][TIME];
214 data_scale = height / (data_max *
1.1);
218 var pt_rx = '
0,' + height;
219 var pt_tx = '
0,' + height;
224 for (var i =
0; i < data_rx.length; i++)
228 y_rx = height - Math.floor(data_rx[i] * data_scale);
229 y_tx = height - Math.floor(data_tx[i] * data_scale);
231 pt_rx += ' ' + x + ',' + y_rx;
232 pt_tx += ' ' + x + ',' + y_tx;
235 pt_rx += ' ' + width + ',' + y_rx + ' ' + width + ',' + height;
236 pt_tx += ' ' + width + ',' + y_tx + ' ' + width + ',' + height;
239 line_rx.setAttribute('points', pt_rx);
240 line_tx.setAttribute('points', pt_tx);
242 label_25.firstChild.data = bandwidth_label(
1.1 *
0.25 * data_max);
243 label_50.firstChild.data = bandwidth_label(
1.1 *
0.50 * data_max);
244 label_75.firstChild.data = bandwidth_label(
1.1 *
0.75 * data_max);
246 label_rx_cur.innerHTML = bandwidth_label(data_rx[data_rx.length-
1], true);
247 label_tx_cur.innerHTML = bandwidth_label(data_tx[data_tx.length-
1], true);
249 label_rx_avg.innerHTML = bandwidth_label(data_rx_avg, true);
250 label_tx_avg.innerHTML = bandwidth_label(data_tx_avg, true);
252 label_rx_peak.innerHTML = bandwidth_label(data_rx_peak, true);
253 label_tx_peak.innerHTML = bandwidth_label(data_tx_peak, true);
263 <h2 name=
"content"><%:Realtime Traffic%
></h2>
265 <ul class=
"cbi-tabmenu">
266 <% for _, dev in ipairs(devices) do %
>
267 <li class=
"cbi-tab<%= dev == curdev and "" or "-disabled
" %>"><a href=
"?dev=<%=pcdata(dev)%>"><%=pcdata(dev)%
></a></li>
271 <embed id=
"bwsvg" style=
"width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src=
"<%=resource%>/bandwidth.svg" />
272 <div style=
"text-align:right"><small id=
"scale">-
</small></div>
275 <div class=
"table" style=
"width:100%; table-layout:fixed" cellspacing=
"5">
277 <div class=
"td" style=
"text-align:right; vertical-align:top"><strong style=
"border-bottom:2px solid blue"><%:Inbound:%
></strong></div>
278 <div class=
"td" id=
"rx_bw_cur">0 <%:kbit/s%
><br />(
0 <%:kB/s%
>)
</div>
280 <div class=
"td" style=
"text-align:right; vertical-align:top"><strong><%:Average:%
></strong></div>
281 <div class=
"td" id=
"rx_bw_avg">0 <%:kbit/s%
><br />(
0 <%:kB/s%
>)
</div>
283 <div class=
"td" style=
"text-align:right; vertical-align:top"><strong><%:Peak:%
></strong></div>
284 <div class=
"td" id=
"rx_bw_peak">0 <%:kbit/s%
><br />(
0 <%:kB/s%
>)
</div>
287 <div class=
"td" style=
"text-align:right; vertical-align:top"><strong style=
"border-bottom:2px solid green"><%:Outbound:%
></strong></div>
288 <div class=
"td" id=
"tx_bw_cur">0 <%:kbit/s%
><br />(
0 <%:kB/s%
>)
</div>
290 <div class=
"td" style=
"text-align:right; vertical-align:top"><strong><%:Average:%
></strong></div>
291 <div class=
"td" id=
"tx_bw_avg">0 <%:kbit/s%
><br />(
0 <%:kB/s%
>)
</div>
293 <div class=
"td" style=
"text-align:right; vertical-align:top"><strong><%:Peak:%
></strong></div>
294 <div class=
"td" id=
"tx_bw_peak">0 <%:kbit/s%
><br />(
0 <%:kB/s%
>)
</div>