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89 /* cut off outdated entries */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 G = document.embeds["bwsvg"].getSVGDocument();
184 window.setTimeout(arguments.callee, 1000);
189 width = document.embeds["bwsvg"].offsetWidth - 2;
190 height = document.embeds["bwsvg"].offsetHeight - 2;
191 data_wanted = Math.ceil(width / step);
193 /* prefill datasets */
194 for (var i = 0; i < data_wanted; i++)
201 /* find svg elements */
202 line_01 = G.getElementById('load01');
203 line_05 = G.getElementById('load05');
204 line_15 = G.getElementById('load15');
206 label_25 = G.getElementById('label_25');
207 label_50 = G.getElementById('label_50');
208 label_75 = G.getElementById('label_75');
210 label_01_cur = document.getElementById('lb_load01_cur');
211 label_01_avg = document.getElementById('lb_load01_avg');
212 label_01_peak = document.getElementById('lb_load01_peak');
214 label_05_cur = document.getElementById('lb_load05_cur');
215 label_05_avg = document.getElementById('lb_load05_avg');
216 label_05_peak = document.getElementById('lb_load05_peak');
218 label_15_cur = document.getElementById('lb_load15_cur');
219 label_15_avg = document.getElementById('lb_load15_avg');
220 label_15_peak = document.getElementById('lb_load15_peak');
222 label_scale = document.getElementById('scale');
225 /* plot horizontal time interval lines */
226 for (var i = step * 60; i < width; i += step * 60)
228 var line = G.createElementNS('http://www.w3.org/2000/svg', 'line');
229 line.setAttribute('x1', i);
230 line.setAttribute('y1', 0);
231 line.setAttribute('x2', i);
232 line.setAttribute('y2', '100%');
233 line.setAttribute('style', 'stroke:black;stroke-width:0.1');
235 var text = G.createElementNS('http://www.w3.org/2000/svg', 'text');
236 text.setAttribute('x', i + 5);
237 text.setAttribute('y', 15);
238 text.setAttribute('style', 'fill:#999999; font-size:9pt');
239 text.appendChild(G.createTextNode(Math.round(i / step / 60) + 'm'));
241 label_25.parentNode.appendChild(line);
242 label_25.parentNode.appendChild(text);
245 label_scale.innerHTML = String.format('<%:(%d minute window, %d second interval)%>', data_wanted / 60, 1);
247 /* render datasets, start update interval */
254 <h2><a id="content" name="content"><%:Realtime Load%></a></h2>
256 <embed id="bwsvg" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/load.svg" />
257 <div style="text-align:right"><small id="scale">-</small></div>
260 <table style="width:100%; table-layout:fixed" cellspacing="5">
262 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid #ff0000"><%:1 Minute Load:%></strong></td>
263 <td id="lb_load01_cur">0</td>
265 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
266 <td id="lb_load01_avg">0</td>
268 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
269 <td id="lb_load01_peak">0</td>
272 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid #ff6600"><%:5 Minute Load:%></strong></td>
273 <td id="lb_load05_cur">0</td>
275 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
276 <td id="lb_load05_avg">0</td>
278 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
279 <td id="lb_load05_peak">0</td>
282 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid #ffaa00"><%:15 Minute Load:%></strong></td>
283 <td id="lb_load15_cur">0</td>
285 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
286 <td id="lb_load15_avg">0</td>
288 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
289 <td id="lb_load15_peak">0</td>