2 Copyright 2010 Jo-Philipp Wich <jow@openwrt.org>
3 Licensed to the public under the Apache License 2.0.
8 <script type="text/javascript" src="<%=resource%>/cbi.js"></script>
9 <script type="text/javascript">//<![CDATA[
10 var bwxhr = new XHR();
22 var data_wanted = Math.floor(width / step);
56 var svg = document.getElementById('bwsvg');
59 G = svg.getSVGDocument
60 ? svg.getSVGDocument() : svg.contentDocument;
63 G = document.embeds['bwsvg'].getSVGDocument();
68 window.setTimeout(arguments.callee, 1000);
73 width = svg.offsetWidth - 2;
74 height = svg.offsetHeight - 2;
75 data_wanted = Math.ceil(width / step);
77 /* prefill datasets */
78 for (var i = 0; i < data_wanted; i++)
85 /* find svg elements */
86 line_01 = G.getElementById('load01');
87 line_05 = G.getElementById('load05');
88 line_15 = G.getElementById('load15');
90 label_25 = G.getElementById('label_25');
91 label_50 = G.getElementById('label_50');
92 label_75 = G.getElementById('label_75');
94 label_01_cur = document.getElementById('lb_load01_cur');
95 label_01_avg = document.getElementById('lb_load01_avg');
96 label_01_peak = document.getElementById('lb_load01_peak');
98 label_05_cur = document.getElementById('lb_load05_cur');
99 label_05_avg = document.getElementById('lb_load05_avg');
100 label_05_peak = document.getElementById('lb_load05_peak');
102 label_15_cur = document.getElementById('lb_load15_cur');
103 label_15_avg = document.getElementById('lb_load15_avg');
104 label_15_peak = document.getElementById('lb_load15_peak');
106 label_scale = document.getElementById('scale');
109 /* plot horizontal time interval lines */
110 for (var i = width % (step * 60); i < width; i += step * 60)
112 var line = G.createElementNS('http://www.w3.org/2000/svg', 'line');
113 line.setAttribute('x1', i);
114 line.setAttribute('y1', 0);
115 line.setAttribute('x2', i);
116 line.setAttribute('y2', '100%');
117 line.setAttribute('style', 'stroke:black;stroke-width:0.1');
119 var text = G.createElementNS('http://www.w3.org/2000/svg', 'text');
120 text.setAttribute('x', i + 5);
121 text.setAttribute('y', 15);
122 text.setAttribute('style', 'fill:#999999; font-size:9pt');
123 text.appendChild(G.createTextNode(Math.round((width - i) / step / 60) + 'm'));
125 label_25.parentNode.appendChild(line);
126 label_25.parentNode.appendChild(text);
129 label_scale.innerHTML = String.format('<%:(%d minute window, %d second interval)%>', data_wanted / 60, 3);
131 /* render datasets, start update interval */
132 XHR.poll(3, '<%=build_url("admin/status/realtime/load_status")%>', null,
142 var data_01_peak = 0;
143 var data_05_peak = 0;
144 var data_15_peak = 0;
146 for (var i = data_stamp ? 0 : 1; i < data.length; i++)
148 /* skip overlapping entries */
149 if (data[i][TIME] <= data_stamp)
152 data_01.push(data[i][L01]);
153 data_05.push(data[i][L05]);
154 data_15.push(data[i][L15]);
157 /* cut off outdated entries */
158 data_01 = data_01.slice(data_01.length - data_wanted, data_01.length);
159 data_05 = data_05.slice(data_05.length - data_wanted, data_05.length);
160 data_15 = data_15.slice(data_15.length - data_wanted, data_15.length);
163 for (var i = 0; i < data_01.length; i++)
165 data_max = Math.max(data_max, data_01[i]);
166 data_max = Math.max(data_max, data_05[i]);
167 data_max = Math.max(data_max, data_15[i]);
169 data_01_peak = Math.max(data_01_peak, data_01[i]);
170 data_05_peak = Math.max(data_05_peak, data_05[i]);
171 data_15_peak = Math.max(data_15_peak, data_15[i]);
175 data_01_avg = (data_01_avg + data_01[i]) / 2;
176 data_05_avg = (data_05_avg + data_05[i]) / 2;
177 data_15_avg = (data_15_avg + data_15[i]) / 2;
181 data_01_avg = data_01[i];
182 data_05_avg = data_05[i];
183 data_15_avg = data_15[i];
187 /* remember current timestamp, calculate horizontal scale */
188 data_stamp = data[data.length-1][TIME];
189 data_scale = height / (data_max * 1.1);
193 var pt_01 = '0,' + height;
194 var pt_05 = '0,' + height;
195 var pt_15 = '0,' + height;
201 for (var i = 0; i < data_01.length; i++)
205 y_01 = height - Math.floor(data_01[i] * data_scale);
206 y_05 = height - Math.floor(data_05[i] * data_scale);
207 y_15 = height - Math.floor(data_15[i] * data_scale);
209 pt_01 += ' ' + x + ',' + y_01;
210 pt_05 += ' ' + x + ',' + y_05;
211 pt_15 += ' ' + x + ',' + y_15;
214 pt_01 += ' ' + width + ',' + y_01 + ' ' + width + ',' + height;
215 pt_05 += ' ' + width + ',' + y_05 + ' ' + width + ',' + height;
216 pt_15 += ' ' + width + ',' + y_15 + ' ' + width + ',' + height;
219 line_01.setAttribute('points', pt_01);
220 line_05.setAttribute('points', pt_05);
221 line_15.setAttribute('points', pt_15);
223 label_25.firstChild.data = (1.1 * 0.25 * data_max / 100).toFixed(2);
224 label_50.firstChild.data = (1.1 * 0.50 * data_max / 100).toFixed(2);
225 label_75.firstChild.data = (1.1 * 0.75 * data_max / 100).toFixed(2);
227 label_01_cur.innerHTML = (data_01[data_01.length-1] / 100).toFixed(2);
228 label_05_cur.innerHTML = (data_05[data_05.length-1] / 100).toFixed(2);
229 label_15_cur.innerHTML = (data_15[data_15.length-1] / 100).toFixed(2);
231 label_01_avg.innerHTML = (data_01_avg / 100).toFixed(2);
232 label_05_avg.innerHTML = (data_05_avg / 100).toFixed(2);
233 label_15_avg.innerHTML = (data_15_avg / 100).toFixed(2);
235 label_01_peak.innerHTML = (data_01_peak / 100).toFixed(2);
236 label_05_peak.innerHTML = (data_05_peak / 100).toFixed(2);
237 label_15_peak.innerHTML = (data_15_peak / 100).toFixed(2);
245 <h2 name="content"><%:Realtime Load%></h2>
247 <embed id="bwsvg" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/load.svg" />
248 <div style="text-align:right"><small id="scale">-</small></div>
251 <table style="width:100%; table-layout:fixed" cellspacing="5">
253 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid #ff0000; white-space:nowrap"><%:1 Minute Load:%></strong></td>
254 <td id="lb_load01_cur">0</td>
256 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
257 <td id="lb_load01_avg">0</td>
259 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
260 <td id="lb_load01_peak">0</td>
263 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid #ff6600; white-space:nowrap"><%:5 Minute Load:%></strong></td>
264 <td id="lb_load05_cur">0</td>
266 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
267 <td id="lb_load05_avg">0</td>
269 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
270 <td id="lb_load05_peak">0</td>
273 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid #ffaa00; white-space:nowrap"><%:15 Minute Load:%></strong></td>
274 <td id="lb_load15_cur">0</td>
276 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
277 <td id="lb_load15_avg">0</td>
279 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
280 <td id="lb_load15_peak">0</td>