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
15 <script type="text/javascript" src="<%=resource%>/cbi.js"></script>
16 <script type="text/javascript">//<![CDATA[
17 var bwxhr = new XHR();
29 var data_wanted = Math.floor(width / step);
63 var svg = document.getElementById('bwsvg');
66 G = svg.getSVGDocument
67 ? svg.getSVGDocument() : svg.contentDocument;
70 G = document.embeds['bwsvg'].getSVGDocument();
75 window.setTimeout(arguments.callee, 1000);
80 width = svg.offsetWidth - 2;
81 height = svg.offsetHeight - 2;
82 data_wanted = Math.ceil(width / step);
84 /* prefill datasets */
85 for (var i = 0; i < data_wanted; i++)
92 /* find svg elements */
93 line_01 = G.getElementById('load01');
94 line_05 = G.getElementById('load05');
95 line_15 = G.getElementById('load15');
97 label_25 = G.getElementById('label_25');
98 label_50 = G.getElementById('label_50');
99 label_75 = G.getElementById('label_75');
101 label_01_cur = document.getElementById('lb_load01_cur');
102 label_01_avg = document.getElementById('lb_load01_avg');
103 label_01_peak = document.getElementById('lb_load01_peak');
105 label_05_cur = document.getElementById('lb_load05_cur');
106 label_05_avg = document.getElementById('lb_load05_avg');
107 label_05_peak = document.getElementById('lb_load05_peak');
109 label_15_cur = document.getElementById('lb_load15_cur');
110 label_15_avg = document.getElementById('lb_load15_avg');
111 label_15_peak = document.getElementById('lb_load15_peak');
113 label_scale = document.getElementById('scale');
116 /* plot horizontal time interval lines */
117 for (var i = width % (step * 60); i < width; i += step * 60)
119 var line = G.createElementNS('http://www.w3.org/2000/svg', 'line');
120 line.setAttribute('x1', i);
121 line.setAttribute('y1', 0);
122 line.setAttribute('x2', i);
123 line.setAttribute('y2', '100%');
124 line.setAttribute('style', 'stroke:black;stroke-width:0.1');
126 var text = G.createElementNS('http://www.w3.org/2000/svg', 'text');
127 text.setAttribute('x', i + 5);
128 text.setAttribute('y', 15);
129 text.setAttribute('style', 'fill:#999999; font-size:9pt');
130 text.appendChild(G.createTextNode(Math.round((width - i) / step / 60) + 'm'));
132 label_25.parentNode.appendChild(line);
133 label_25.parentNode.appendChild(text);
136 label_scale.innerHTML = String.format('<%:(%d minute window, %d second interval)%>', data_wanted / 60, 3);
138 /* render datasets, start update interval */
139 XHR.poll(3, '<%=build_url("admin/status/realtime/load_status")%>', null,
149 var data_01_peak = 0;
150 var data_05_peak = 0;
151 var data_15_peak = 0;
153 for (var i = data_stamp ? 0 : 1; i < data.length; i++)
155 /* skip overlapping entries */
156 if (data[i][TIME] <= data_stamp)
159 data_01.push(data[i][L01]);
160 data_05.push(data[i][L05]);
161 data_15.push(data[i][L15]);
164 /* cut off outdated entries */
165 data_01 = data_01.slice(data_01.length - data_wanted, data_01.length);
166 data_05 = data_05.slice(data_05.length - data_wanted, data_05.length);
167 data_15 = data_15.slice(data_15.length - data_wanted, data_15.length);
170 for (var i = 0; i < data_01.length; i++)
172 data_max = Math.max(data_max, data_01[i]);
173 data_max = Math.max(data_max, data_05[i]);
174 data_max = Math.max(data_max, data_15[i]);
176 data_01_peak = Math.max(data_01_peak, data_01[i]);
177 data_05_peak = Math.max(data_05_peak, data_05[i]);
178 data_15_peak = Math.max(data_15_peak, data_15[i]);
182 data_01_avg = (data_01_avg + data_01[i]) / 2;
183 data_05_avg = (data_05_avg + data_05[i]) / 2;
184 data_15_avg = (data_15_avg + data_15[i]) / 2;
188 data_01_avg = data_01[i];
189 data_05_avg = data_05[i];
190 data_15_avg = data_15[i];
194 /* remember current timestamp, calculate horizontal scale */
195 data_stamp = data[data.length-1][TIME];
196 data_scale = height / (data_max * 1.1);
200 var pt_01 = '0,' + height;
201 var pt_05 = '0,' + height;
202 var pt_15 = '0,' + height;
208 for (var i = 0; i < data_01.length; i++)
212 y_01 = height - Math.floor(data_01[i] * data_scale);
213 y_05 = height - Math.floor(data_05[i] * data_scale);
214 y_15 = height - Math.floor(data_15[i] * data_scale);
216 pt_01 += ' ' + x + ',' + y_01;
217 pt_05 += ' ' + x + ',' + y_05;
218 pt_15 += ' ' + x + ',' + y_15;
221 pt_01 += ' ' + width + ',' + y_01 + ' ' + width + ',' + height;
222 pt_05 += ' ' + width + ',' + y_05 + ' ' + width + ',' + height;
223 pt_15 += ' ' + width + ',' + y_15 + ' ' + width + ',' + height;
226 line_01.setAttribute('points', pt_01);
227 line_05.setAttribute('points', pt_05);
228 line_15.setAttribute('points', pt_15);
230 label_25.firstChild.data = (1.1 * 0.25 * data_max / 100).toFixed(2);
231 label_50.firstChild.data = (1.1 * 0.50 * data_max / 100).toFixed(2);
232 label_75.firstChild.data = (1.1 * 0.75 * data_max / 100).toFixed(2);
234 label_01_cur.innerHTML = (data_01[data_01.length-1] / 100).toFixed(2);
235 label_05_cur.innerHTML = (data_05[data_05.length-1] / 100).toFixed(2);
236 label_15_cur.innerHTML = (data_15[data_15.length-1] / 100).toFixed(2);
238 label_01_avg.innerHTML = (data_01_avg / 100).toFixed(2);
239 label_05_avg.innerHTML = (data_05_avg / 100).toFixed(2);
240 label_15_avg.innerHTML = (data_15_avg / 100).toFixed(2);
242 label_01_peak.innerHTML = (data_01_peak / 100).toFixed(2);
243 label_05_peak.innerHTML = (data_05_peak / 100).toFixed(2);
244 label_15_peak.innerHTML = (data_15_peak / 100).toFixed(2);
252 <h2><a id="content" name="content"><%:Realtime Load%></a></h2>
254 <embed id="bwsvg" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/load.svg" />
255 <div style="text-align:right"><small id="scale">-</small></div>
258 <table style="width:100%; table-layout:fixed" cellspacing="5">
260 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid #ff0000; white-space:nowrap"><%:1 Minute Load:%></strong></td>
261 <td id="lb_load01_cur">0</td>
263 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
264 <td id="lb_load01_avg">0</td>
266 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
267 <td id="lb_load01_peak">0</td>
270 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid #ff6600; white-space:nowrap"><%:5 Minute Load:%></strong></td>
271 <td id="lb_load05_cur">0</td>
273 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
274 <td id="lb_load05_avg">0</td>
276 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
277 <td id="lb_load05_peak">0</td>
280 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid #ffaa00; white-space:nowrap"><%:15 Minute Load:%></strong></td>
281 <td id="lb_load15_cur">0</td>
283 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
284 <td id="lb_load15_avg">0</td>
286 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
287 <td id="lb_load15_peak">0</td>