<%# Copyright 2010-2018 Jo-Philipp Wich <jo@mein.io> Licensed to the public under the Apache License 2.0. -%> <%+header%> <script type="text/javascript">//<![CDATA[ var bwxhr = new XHR(); var G; var TIME = 0; var L01 = 1; var L05 = 2; var L15 = 3; var width = 760; var height = 300; var step = 5; var data_wanted = Math.floor(width / step); var data_fill = 1; var data_stamp = 0; var data_01 = [ ]; var data_05 = [ ]; var data_15 = [ ]; var line_01; var line_05; var line_15; var label_25; var label_050; var label_75; var label_01_cur; var label_01_avg; var label_01_peak; var label_05_cur; var label_05_avg; var label_05_peak; var label_15_cur; var label_15_avg; var label_15_peak; var label_scale; /* wait for SVG */ window.setTimeout( function() { var svg = document.getElementById('bwsvg'); try { G = svg.getSVGDocument ? svg.getSVGDocument() : svg.contentDocument; } catch(e) { G = document.embeds['bwsvg'].getSVGDocument(); } if (!G) { window.setTimeout(arguments.callee, 1000); } else { /* find sizes */ width = svg.offsetWidth - 2; height = svg.offsetHeight - 2; data_wanted = Math.ceil(width / step); /* prefill datasets */ for (var i = 0; i < data_wanted; i++) { data_01[i] = 0; data_05[i] = 0; data_15[i] = 0; } /* find svg elements */ line_01 = G.getElementById('load01'); line_05 = G.getElementById('load05'); line_15 = G.getElementById('load15'); label_25 = G.getElementById('label_25'); label_50 = G.getElementById('label_50'); label_75 = G.getElementById('label_75'); label_01_cur = document.getElementById('lb_load01_cur'); label_01_avg = document.getElementById('lb_load01_avg'); label_01_peak = document.getElementById('lb_load01_peak'); label_05_cur = document.getElementById('lb_load05_cur'); label_05_avg = document.getElementById('lb_load05_avg'); label_05_peak = document.getElementById('lb_load05_peak'); label_15_cur = document.getElementById('lb_load15_cur'); label_15_avg = document.getElementById('lb_load15_avg'); label_15_peak = document.getElementById('lb_load15_peak'); label_scale = document.getElementById('scale'); /* plot horizontal time interval lines */ for (var i = width % (step * 60); i < width; i += step * 60) { var line = G.createElementNS('http://www.w3.org/2000/svg', 'line'); line.setAttribute('x1', i); line.setAttribute('y1', 0); line.setAttribute('x2', i); line.setAttribute('y2', '100%'); line.setAttribute('style', 'stroke:black;stroke-width:0.1'); var text = G.createElementNS('http://www.w3.org/2000/svg', 'text'); text.setAttribute('x', i + 5); text.setAttribute('y', 15); text.setAttribute('style', 'fill:#eee; font-size:9pt; font-family:sans-serif; text-shadow:1px 1px 1px #000'); text.appendChild(G.createTextNode(Math.round((width - i) / step / 60) + 'm')); label_25.parentNode.appendChild(line); label_25.parentNode.appendChild(text); } label_scale.innerHTML = String.format('<%:(%d minute window, %d second interval)%>', data_wanted / 60, 3); /* render datasets, start update interval */ XHR.poll(3, '<%=build_url("admin/status/realtime/load_status")%>', null, function(x, data) { var data_max = 0; var data_scale = 0; var data_01_avg = 0; var data_05_avg = 0; var data_15_avg = 0; var data_01_peak = 0; var data_05_peak = 0; var data_15_peak = 0; for (var i = data_stamp ? 0 : 1; i < data.length; i++) { /* skip overlapping entries */ if (data[i][TIME] <= data_stamp) continue; data_fill++; data_01.push(data[i][L01]); data_05.push(data[i][L05]); data_15.push(data[i][L15]); } /* cut off outdated entries */ data_fill = Math.min(data_fill, data_wanted); data_01 = data_01.slice(data_01.length - data_wanted, data_01.length); data_05 = data_05.slice(data_05.length - data_wanted, data_05.length); data_15 = data_15.slice(data_15.length - data_wanted, data_15.length); /* find peak */ for (var i = 0; i < data_01.length; i++) { data_max = Math.max(data_max, data_01[i]); data_max = Math.max(data_max, data_05[i]); data_max = Math.max(data_max, data_15[i]); data_01_peak = Math.max(data_01_peak, data_01[i]); data_05_peak = Math.max(data_05_peak, data_05[i]); data_15_peak = Math.max(data_15_peak, data_15[i]); data_01_avg += data_01[i]; data_05_avg += data_05[i]; data_15_avg += data_15[i]; } data_01_avg = data_01_avg / data_fill; data_05_avg = data_05_avg / data_fill; data_15_avg = data_15_avg / data_fill; /* remember current timestamp, calculate horizontal scale */ data_stamp = data[data.length-1][TIME]; data_scale = height / (data_max * 1.1); /* plot data */ var pt_01 = '0,' + height; var pt_05 = '0,' + height; var pt_15 = '0,' + height; var y_01 = 0; var y_05 = 0; var y_15 = 0; for (var i = 0; i < data_01.length; i++) { var x = i * step; y_01 = height - Math.floor(data_01[i] * data_scale); y_05 = height - Math.floor(data_05[i] * data_scale); y_15 = height - Math.floor(data_15[i] * data_scale); pt_01 += ' ' + x + ',' + y_01; pt_05 += ' ' + x + ',' + y_05; pt_15 += ' ' + x + ',' + y_15; } pt_01 += ' ' + width + ',' + y_01 + ' ' + width + ',' + height; pt_05 += ' ' + width + ',' + y_05 + ' ' + width + ',' + height; pt_15 += ' ' + width + ',' + y_15 + ' ' + width + ',' + height; line_01.setAttribute('points', pt_01); line_05.setAttribute('points', pt_05); line_15.setAttribute('points', pt_15); label_25.firstChild.data = (1.1 * 0.25 * data_max / 100).toFixed(2); label_50.firstChild.data = (1.1 * 0.50 * data_max / 100).toFixed(2); label_75.firstChild.data = (1.1 * 0.75 * data_max / 100).toFixed(2); label_01_cur.innerHTML = (data_01[data_01.length-1] / 100).toFixed(2); label_05_cur.innerHTML = (data_05[data_05.length-1] / 100).toFixed(2); label_15_cur.innerHTML = (data_15[data_15.length-1] / 100).toFixed(2); label_01_avg.innerHTML = (data_01_avg / 100).toFixed(2); label_05_avg.innerHTML = (data_05_avg / 100).toFixed(2); label_15_avg.innerHTML = (data_15_avg / 100).toFixed(2); label_01_peak.innerHTML = (data_01_peak / 100).toFixed(2); label_05_peak.innerHTML = (data_05_peak / 100).toFixed(2); label_15_peak.innerHTML = (data_15_peak / 100).toFixed(2); } ); XHR.run(); } }, 1000 ); //]]></script> <h2 name="content"><%:Realtime Load%></h2> <embed id="bwsvg" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/load.svg" /> <div style="text-align:right"><small id="scale">-</small></div> <br /> <div class="table" style="width:100%; table-layout:fixed" cellspacing="5"> <div class="tr"> <div class="td" style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid #ff0000; white-space:nowrap"><%:1 Minute Load:%></strong></div> <div class="td" id="lb_load01_cur">0</div> <div class="td" style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></div> <div class="td" id="lb_load01_avg">0</div> <div class="td" style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></div> <div class="td" id="lb_load01_peak">0</div> </div> <div class="tr"> <div class="td" style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid #ff6600; white-space:nowrap"><%:5 Minute Load:%></strong></div> <div class="td" id="lb_load05_cur">0</div> <div class="td" style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></div> <div class="td" id="lb_load05_avg">0</div> <div class="td" style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></div> <div class="td" id="lb_load05_peak">0</div> </div> <div class="tr"> <div class="td" style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid #ffaa00; white-space:nowrap"><%:15 Minute Load:%></strong></div> <div class="td" id="lb_load15_cur">0</div> <div class="td" style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></div> <div class="td" id="lb_load15_avg">0</div> <div class="td" style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></div> <div class="td" id="lb_load15_peak">0</div> </div> </div> <%+footer%>