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);
65 var svg = document.getElementById('bwsvg');
68 G = svg.getSVGDocument
69 ? svg.getSVGDocument() : svg.contentDocument;
72 G = document.embeds['bwsvg'].getSVGDocument();
77 window.setTimeout(arguments.callee, 1000);
82 width = svg.offsetWidth - 2;
83 height = svg.offsetHeight - 2;
84 data_wanted = Math.ceil(width / step);
86 /* prefill datasets */
87 for (var i = 0; i < data_wanted; i++)
94 /* find svg elements */
95 line_01 = G.getElementById('load01');
96 line_05 = G.getElementById('load05');
97 line_15 = G.getElementById('load15');
99 label_25 = G.getElementById('label_25');
100 label_50 = G.getElementById('label_50');
101 label_75 = G.getElementById('label_75');
103 label_01_cur = document.getElementById('lb_load01_cur');
104 label_01_avg = document.getElementById('lb_load01_avg');
105 label_01_peak = document.getElementById('lb_load01_peak');
107 label_05_cur = document.getElementById('lb_load05_cur');
108 label_05_avg = document.getElementById('lb_load05_avg');
109 label_05_peak = document.getElementById('lb_load05_peak');
111 label_15_cur = document.getElementById('lb_load15_cur');
112 label_15_avg = document.getElementById('lb_load15_avg');
113 label_15_peak = document.getElementById('lb_load15_peak');
115 label_scale = document.getElementById('scale');
118 /* plot horizontal time interval lines */
119 for (var i = width % (step * 60); i < width; i += step * 60)
121 var line = G.createElementNS('http://www.w3.org/2000/svg', 'line');
122 line.setAttribute('x1', i);
123 line.setAttribute('y1', 0);
124 line.setAttribute('x2', i);
125 line.setAttribute('y2', '100%');
126 line.setAttribute('style', 'stroke:black;stroke-width:0.1');
128 var text = G.createElementNS('http://www.w3.org/2000/svg', 'text');
129 text.setAttribute('x', i + 5);
130 text.setAttribute('y', 15);
131 text.setAttribute('style', 'fill:#999999; font-size:9pt');
132 text.appendChild(G.createTextNode(Math.round((width - i) / step / 60) + 'm'));
134 label_25.parentNode.appendChild(line);
135 label_25.parentNode.appendChild(text);
138 label_scale.innerHTML = String.format('<%:(%d minute window, %d second interval)%>', data_wanted / 60, 3);
140 /* render datasets, start update interval */
141 XHR.poll(3, '<%=build_url("admin/status/realtime/load_status")%>', null,
151 var data_01_peak = 0;
152 var data_05_peak = 0;
153 var data_15_peak = 0;
155 for (var i = data_stamp ? 0 : 1; i < data.length; i++)
157 /* skip overlapping entries */
158 if (data[i][TIME] <= data_stamp)
161 data_01.push(data[i][L01]);
162 data_05.push(data[i][L05]);
163 data_15.push(data[i][L15]);
166 /* cut off outdated entries */
167 data_01 = data_01.slice(data_01.length - data_wanted, data_01.length);
168 data_05 = data_05.slice(data_05.length - data_wanted, data_05.length);
169 data_15 = data_15.slice(data_15.length - data_wanted, data_15.length);
172 for (var i = 0; i < data_01.length; i++)
174 data_max = Math.max(data_max, data_01[i]);
175 data_max = Math.max(data_max, data_05[i]);
176 data_max = Math.max(data_max, data_15[i]);
178 data_01_peak = Math.max(data_01_peak, data_01[i]);
179 data_05_peak = Math.max(data_05_peak, data_05[i]);
180 data_15_peak = Math.max(data_15_peak, data_15[i]);
184 data_01_avg = (data_01_avg + data_01[i]) / 2;
185 data_05_avg = (data_05_avg + data_05[i]) / 2;
186 data_15_avg = (data_15_avg + data_15[i]) / 2;
190 data_01_avg = data_01[i];
191 data_05_avg = data_05[i];
192 data_15_avg = data_15[i];
196 /* remember current timestamp, calculate horizontal scale */
197 data_stamp = data[data.length-1][TIME];
198 data_scale = height / (data_max * 1.1);
202 var pt_01 = '0,' + height;
203 var pt_05 = '0,' + height;
204 var pt_15 = '0,' + height;
210 for (var i = 0; i < data_01.length; i++)
214 y_01 = height - Math.floor(data_01[i] * data_scale);
215 y_05 = height - Math.floor(data_05[i] * data_scale);
216 y_15 = height - Math.floor(data_15[i] * data_scale);
218 pt_01 += ' ' + x + ',' + y_01;
219 pt_05 += ' ' + x + ',' + y_05;
220 pt_15 += ' ' + x + ',' + y_15;
223 pt_01 += ' ' + width + ',' + y_01 + ' ' + width + ',' + height;
224 pt_05 += ' ' + width + ',' + y_05 + ' ' + width + ',' + height;
225 pt_15 += ' ' + width + ',' + y_15 + ' ' + width + ',' + height;
228 line_01.setAttribute('points', pt_01);
229 line_05.setAttribute('points', pt_05);
230 line_15.setAttribute('points', pt_15);
232 label_25.firstChild.data = (1.1 * 0.25 * data_max / 100).toFixed(2);
233 label_50.firstChild.data = (1.1 * 0.50 * data_max / 100).toFixed(2);
234 label_75.firstChild.data = (1.1 * 0.75 * data_max / 100).toFixed(2);
236 label_01_cur.innerHTML = (data_01[data_01.length-1] / 100).toFixed(2);
237 label_05_cur.innerHTML = (data_05[data_05.length-1] / 100).toFixed(2);
238 label_15_cur.innerHTML = (data_01[data_15.length-1] / 100).toFixed(2);
240 label_01_avg.innerHTML = (data_01_avg / 100).toFixed(2);
241 label_05_avg.innerHTML = (data_05_avg / 100).toFixed(2);
242 label_15_avg.innerHTML = (data_15_avg / 100).toFixed(2);
244 label_01_peak.innerHTML = (data_01_peak / 100).toFixed(2);
245 label_05_peak.innerHTML = (data_05_peak / 100).toFixed(2);
246 label_15_peak.innerHTML = (data_15_peak / 100).toFixed(2);
249 window.setTimeout(update_graph, 1000);
257 <h2><a id="content" name="content"><%:Realtime Load%></a></h2>
259 <embed id="bwsvg" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/load.svg" />
260 <div style="text-align:right"><small id="scale">-</small></div>
263 <table style="width:100%; table-layout:fixed" cellspacing="5">
265 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid #ff0000"><%:1 Minute Load:%></strong></td>
266 <td id="lb_load01_cur">0</td>
268 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
269 <td id="lb_load01_avg">0</td>
271 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
272 <td id="lb_load01_peak">0</td>
275 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid #ff6600"><%:5 Minute Load:%></strong></td>
276 <td id="lb_load05_cur">0</td>
278 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
279 <td id="lb_load05_avg">0</td>
281 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
282 <td id="lb_load05_peak">0</td>
285 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid #ffaa00"><%:15 Minute Load:%></strong></td>
286 <td id="lb_load15_cur">0</td>
288 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
289 <td id="lb_load15_avg">0</td>
291 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
292 <td id="lb_load15_peak">0</td>