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
17 <script type=
"text/javascript" src=
"<%=resource%>/cbi.js"></script>
18 <script type=
"text/javascript">//<![CDATA[
19 var bwxhr = new XHR();
31 var data_wanted = Math.floor(width / step);
62 function update_graph()
64 bwxhr.get('<%=build_url(
"admin/status/load_status")%
>', null,
78 for (var i = data_stamp ?
0 :
1; i < data.length; i++)
80 /* skip overlapping entries */
81 if (data[i][TIME] <= data_stamp)
84 data_01.push(data[i][L01]);
85 data_05.push(data[i][L05]);
86 data_15.push(data[i][L15]);
89 /* cut off outdated entries */
90 data_01 = data_01.slice(data_01.length - data_wanted, data_01.length);
91 data_05 = data_05.slice(data_05.length - data_wanted, data_05.length);
92 data_15 = data_15.slice(data_15.length - data_wanted, data_15.length);
95 for (var i =
0; i < data_01.length; i++)
97 data_max = Math.max(data_max, data_01[i]);
98 data_max = Math.max(data_max, data_05[i]);
99 data_max = Math.max(data_max, data_15[i]);
101 data_01_peak = Math.max(data_01_peak, data_01[i]);
102 data_05_peak = Math.max(data_05_peak, data_05[i]);
103 data_15_peak = Math.max(data_15_peak, data_15[i]);
107 data_01_avg = (data_01_avg + data_01[i]) /
2;
108 data_05_avg = (data_05_avg + data_05[i]) /
2;
109 data_15_avg = (data_15_avg + data_15[i]) /
2;
113 data_01_avg = data_01[i];
114 data_05_avg = data_05[i];
115 data_15_avg = data_15[i];
119 /* remember current timestamp, calculate horizontal scale */
120 data_stamp = data[data.length-
1][TIME];
121 data_scale = height / (data_max *
1.1);
125 var pt_01 = '
0,' + height;
126 var pt_05 = '
0,' + height;
127 var pt_15 = '
0,' + height;
133 for (var i =
0; i < data_01.length; i++)
137 y_01 = height - Math.floor(data_01[i] * data_scale);
138 y_05 = height - Math.floor(data_05[i] * data_scale);
139 y_15 = height - Math.floor(data_15[i] * data_scale);
141 pt_01 += ' ' + x + ',' + y_01;
142 pt_05 += ' ' + x + ',' + y_05;
143 pt_15 += ' ' + x + ',' + y_15;
146 pt_01 += ' ' + width + ',' + y_01 + ' ' + width + ',' + height;
147 pt_05 += ' ' + width + ',' + y_05 + ' ' + width + ',' + height;
148 pt_15 += ' ' + width + ',' + y_15 + ' ' + width + ',' + height;
151 line_01.setAttribute('points', pt_01);
152 line_05.setAttribute('points', pt_05);
153 line_15.setAttribute('points', pt_15);
155 label_25.firstChild.data = (
1.1 *
0.25 * data_max /
100).toFixed(
2);
156 label_50.firstChild.data = (
1.1 *
0.50 * data_max /
100).toFixed(
2);
157 label_75.firstChild.data = (
1.1 *
0.75 * data_max /
100).toFixed(
2);
159 label_01_cur.innerHTML = (data_01[data_01.length-
1] /
100).toFixed(
2);
160 label_05_cur.innerHTML = (data_05[data_05.length-
1] /
100).toFixed(
2);
161 label_15_cur.innerHTML = (data_01[data_15.length-
1] /
100).toFixed(
2);
163 label_01_avg.innerHTML = (data_01_avg /
100).toFixed(
2);
164 label_05_avg.innerHTML = (data_05_avg /
100).toFixed(
2);
165 label_15_avg.innerHTML = (data_15_avg /
100).toFixed(
2);
167 label_01_peak.innerHTML = (data_01_peak /
100).toFixed(
2);
168 label_05_peak.innerHTML = (data_05_peak /
100).toFixed(
2);
169 label_15_peak.innerHTML = (data_15_peak /
100).toFixed(
2);
172 window.setTimeout(update_graph,
1000);
180 var svg = document.getElementById('bwsvg');
183 G = svg.getSVGDocument
184 ? svg.getSVGDocument() : svg.contentDocument;
187 G = document.embeds['bwsvg'].getSVGDocument();
192 window.setTimeout(arguments.callee,
1000);
197 width = svg.offsetWidth -
2;
198 height = svg.offsetHeight -
2;
199 data_wanted = Math.ceil(width / step);
201 /* prefill datasets */
202 for (var i =
0; i < data_wanted; i++)
209 /* find svg elements */
210 line_01 = G.getElementById('load01');
211 line_05 = G.getElementById('load05');
212 line_15 = G.getElementById('load15');
214 label_25 = G.getElementById('label_25');
215 label_50 = G.getElementById('label_50');
216 label_75 = G.getElementById('label_75');
218 label_01_cur = document.getElementById('lb_load01_cur');
219 label_01_avg = document.getElementById('lb_load01_avg');
220 label_01_peak = document.getElementById('lb_load01_peak');
222 label_05_cur = document.getElementById('lb_load05_cur');
223 label_05_avg = document.getElementById('lb_load05_avg');
224 label_05_peak = document.getElementById('lb_load05_peak');
226 label_15_cur = document.getElementById('lb_load15_cur');
227 label_15_avg = document.getElementById('lb_load15_avg');
228 label_15_peak = document.getElementById('lb_load15_peak');
230 label_scale = document.getElementById('scale');
233 /* plot horizontal time interval lines */
234 for (var i = step *
60; i < width; i += step *
60)
236 var line = G.createElementNS('http://www.w3.org/
2000/svg', 'line');
237 line.setAttribute('x1', i);
238 line.setAttribute('y1',
0);
239 line.setAttribute('x2', i);
240 line.setAttribute('y2', '
100%');
241 line.setAttribute('style', 'stroke:black;stroke-width:
0.1');
243 var text = G.createElementNS('http://www.w3.org/
2000/svg', 'text');
244 text.setAttribute('x', i +
5);
245 text.setAttribute('y',
15);
246 text.setAttribute('style', 'fill:#
999999; font-size:
9pt');
247 text.appendChild(G.createTextNode(Math.round(i / step /
60) + 'm'));
249 label_25.parentNode.appendChild(line);
250 label_25.parentNode.appendChild(text);
253 label_scale.innerHTML = String.format('<%:(%d minute window, %d second interval)%
>', data_wanted /
60,
1);
255 /* render datasets, start update interval */
262 <h2><a id=
"content" name=
"content"><%:Realtime Load%
></a></h2>
264 <embed id=
"bwsvg" style=
"width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src=
"<%=resource%>/load.svg" />
265 <div style=
"text-align:right"><small id=
"scale">-
</small></div>
268 <table style=
"width:100%; table-layout:fixed" cellspacing=
"5">
270 <td style=
"text-align:right; vertical-align:top"><strong style=
"border-bottom:2px solid #ff0000"><%:
1 Minute Load:%
></strong></td>
271 <td id=
"lb_load01_cur">0</td>
273 <td style=
"text-align:right; vertical-align:top"><strong><%:Average:%
></strong></td>
274 <td id=
"lb_load01_avg">0</td>
276 <td style=
"text-align:right; vertical-align:top"><strong><%:Peak:%
></strong></td>
277 <td id=
"lb_load01_peak">0</td>
280 <td style=
"text-align:right; vertical-align:top"><strong style=
"border-bottom:2px solid #ff6600"><%:
5 Minute Load:%
></strong></td>
281 <td id=
"lb_load05_cur">0</td>
283 <td style=
"text-align:right; vertical-align:top"><strong><%:Average:%
></strong></td>
284 <td id=
"lb_load05_avg">0</td>
286 <td style=
"text-align:right; vertical-align:top"><strong><%:Peak:%
></strong></td>
287 <td id=
"lb_load05_peak">0</td>
290 <td style=
"text-align:right; vertical-align:top"><strong style=
"border-bottom:2px solid #ffaa00"><%:
15 Minute Load:%
></strong></td>
291 <td id=
"lb_load15_cur">0</td>
293 <td style=
"text-align:right; vertical-align:top"><strong><%:Average:%
></strong></td>
294 <td id=
"lb_load15_avg">0</td>
296 <td style=
"text-align:right; vertical-align:top"><strong><%:Peak:%
></strong></td>
297 <td id=
"lb_load15_peak">0</td>