modules/admin-full/luasrc/view/admin_status/connections.htm

   1 <%#
   2 LuCI - Lua Configuration Interface
   3 Copyright 2010 Jo-Philipp Wich <xm@subsignal.org>
   4
   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
   8
   9         http://www.apache.org/licenses/LICENSE-2.0
  10
  11 $Id$
  12
  13 -%>
  14
  15 <%+header%>
  16
  17 <script type="text/javascript" src="<%=resource%>/cbi.js"></script>
  18 <script type="text/javascript">//<![CDATA[
  19         var bwxhr = new XHR();
  20
  21         var G;
  22         var TIME  = 0;
  23         var UDP   = 1;
  24         var TCP   = 2;
  25         var OTHER = 3;
  26
  27         var width  = 760;
  28         var height = 300;
  29         var step   = 5;
  30
  31         var data_wanted = Math.floor(width / step);
  32         var data_fill   = 0;
  33         var data_stamp  = 0;
  34
  35         var data_udp = [ ];
  36         var data_tcp = [ ];
  37         var data_otr = [ ];
  38
  39         var line_udp;
  40         var line_tcp;
  41
  42         var label_25;
  43         var label_50;
  44         var label_75;
  45
  46         var label_udp_cur;
  47         var label_udp_avg;
  48         var label_udp_peak;
  49
  50         var label_tcp_cur;
  51         var label_tcp_avg;
  52         var label_tcp_peak;
  53
  54         var label_otr_cur;
  55         var label_otr_avg;
  56         var label_otr_peak;
  57
  58         var label_scale;
  59
  60
  61         function update_graph()
  62         {
  63                 bwxhr.get('<%=build_url("admin/status/connections_status")%>', null,
  64                         function(x, data)
  65                         {
  66                                 var data_max   = 0;
  67                                 var data_scale = 0;
  68
  69                                 var data_udp_avg = 0;
  70                                 var data_tcp_avg = 0;
  71                                 var data_otr_avg = 0;
  72
  73                                 var data_udp_peak = 0;
  74                                 var data_tcp_peak = 0;
  75                                 var data_otr_peak = 0;
  76
  77                                 for (var i = data_stamp ? 0 : 1; i < data.length; i++)
  78                                 {
  79                                         /* skip overlapping entries */
  80                                         if (data[i][TIME] <= data_stamp)
  81                                                 continue;
  82
  83                                         data_udp.push(data[i][UDP]);
  84                                         data_tcp.push(data[i][TCP]);
  85                                         data_otr.push(data[i][OTHER]);
  86                                 }
  87
  88                                 /* cut off outdated entries */
  89                                 data_udp = data_udp.slice(data_udp.length - data_wanted, data_udp.length);
  90                                 data_tcp = data_tcp.slice(data_tcp.length - data_wanted, data_tcp.length);
  91                                 data_otr = data_otr.slice(data_otr.length - data_wanted, data_otr.length);
  92
  93                                 /* find peak */
  94                                 for (var i = 0; i < data_udp.length; i++)
  95                                 {
  96                                         data_max = Math.max(data_max, data_udp[i]);
  97                                         data_max = Math.max(data_max, data_tcp[i]);
  98                                         data_max = Math.max(data_max, data_otr[i]);
  99
 100                                         data_udp_peak = Math.max(data_udp_peak, data_udp[i]);
 101                                         data_tcp_peak = Math.max(data_tcp_peak, data_tcp[i]);
 102                                         data_otr_peak = Math.max(data_otr_peak, data_otr[i]);
 103
 104                                         if (i > 0)
 105                                         {
 106                                                 data_udp_avg = (data_udp_avg + data_udp[i]) / 2;
 107                                                 data_tcp_avg = (data_tcp_avg + data_tcp[i]) / 2;
 108                                                 data_otr_avg = (data_otr_avg + data_otr[i]) / 2;
 109                                         }
 110                                         else
 111                                         {
 112                                                 data_udp_avg = data_udp[i];
 113                                                 data_tcp_avg = data_tcp[i];
 114                                                 data_otr_avg = data_otr[i];
 115                                         }
 116                                 }
 117
 118                                 /* remember current timestamp, calculate horizontal scale */
 119                                 data_stamp = data[data.length-1][TIME];
 120                                 data_scale = height / (data_max * 1.1);
 121
 122
 123                                 /* plot data */
 124                                 var pt_udp = '0,' + height;
 125                                 var pt_tcp = '0,' + height;
 126                                 var pt_otr = '0,' + height;
 127
 128                                 var y_udp = 0;
 129                                 var y_tcp = 0;
 130                                 var y_otr = 0;
 131
 132                                 for (var i = 0; i < data_udp.length; i++)
 133                                 {
 134                                         var x = i * step;
 135
 136                                         y_udp = height - Math.floor(data_udp[i] * data_scale);
 137                                         y_tcp = height - Math.floor(data_tcp[i] * data_scale);
 138                                         y_otr = height - Math.floor(data_otr[i] * data_scale);
 139
 140                                         pt_udp += ' ' + x + ',' + y_udp;
 141                                         pt_tcp += ' ' + x + ',' + y_tcp;
 142                                         pt_otr += ' ' + x + ',' + y_otr;
 143                                 }
 144
 145                                 pt_udp += ' ' + width + ',' + y_udp + ' ' + width + ',' + height;
 146                                 pt_tcp += ' ' + width + ',' + y_tcp + ' ' + width + ',' + height;
 147                                 pt_otr += ' ' + width + ',' + y_otr + ' ' + width + ',' + height;
 148
 149
 150                                 line_udp.setAttribute('points', pt_udp);
 151                                 line_tcp.setAttribute('points', pt_tcp);
 152                                 line_otr.setAttribute('points', pt_otr);
 153
 154                                 label_25.firstChild.data = Math.floor(1.1 * 0.25 * data_max);
 155                                 label_50.firstChild.data = Math.floor(1.1 * 0.50 * data_max);
 156                                 label_75.firstChild.data = Math.floor(1.1 * 0.75 * data_max);
 157
 158                                 label_udp_cur.innerHTML = Math.floor(data_udp[data_udp.length-1]);
 159                                 label_tcp_cur.innerHTML = Math.floor(data_tcp[data_tcp.length-1]);
 160                                 label_otr_cur.innerHTML = Math.floor(data_otr[data_otr.length-1]);
 161
 162                                 label_udp_avg.innerHTML = Math.floor(data_udp_avg);
 163                                 label_tcp_avg.innerHTML = Math.floor(data_tcp_avg);
 164                                 label_otr_avg.innerHTML = Math.floor(data_otr_avg);
 165
 166                                 label_udp_peak.innerHTML = Math.floor(data_udp_peak);
 167                                 label_tcp_peak.innerHTML = Math.floor(data_tcp_peak);
 168                                 label_otr_peak.innerHTML = Math.floor(data_otr_peak);
 169
 170                                 /* reset timer */
 171                                 window.setTimeout(update_graph, 1000);
 172                         }
 173                 )
 174         }
 175
 176         /* wait for SVG */
 177         window.setTimeout(
 178                 function() {
 179                         var svg = document.getElementById('bwsvg');
 180
 181                         try {
 182                                 G = svg.getSVGDocument
 183                                         ? svg.getSVGDocument() : svg.contentDocument;
 184                         }
 185                         catch(e) {
 186                                 G = document.embeds['bwsvg'].getSVGDocument();
 187                         }
 188
 189                         if (!G)
 190                         {
 191                                 window.setTimeout(arguments.callee, 1000);
 192                         }
 193                         else
 194                         {
 195                                 /* find sizes */
 196                                 width       = svg.offsetWidth  - 2;
 197                                 height      = svg.offsetHeight - 2;
 198                                 data_wanted = Math.ceil(width / step);
 199
 200                                 /* prefill datasets */
 201                                 for (var i = 0; i < data_wanted; i++)
 202                                 {
 203                                         data_udp[i] = 0;
 204                                         data_tcp[i] = 0;
 205                                         data_otr[i] = 0;
 206                                 }
 207
 208                                 /* find svg elements */
 209                                 line_udp = G.getElementById('udp');
 210                                 line_tcp = G.getElementById('tcp');
 211                                 line_otr = G.getElementById('other');
 212
 213                                 label_25 = G.getElementById('label_25');
 214                                 label_50 = G.getElementById('label_50');
 215                                 label_75 = G.getElementById('label_75');
 216
 217                                 label_udp_cur  = document.getElementById('lb_udp_cur');
 218                                 label_udp_avg  = document.getElementById('lb_udp_avg');
 219                                 label_udp_peak = document.getElementById('lb_udp_peak');
 220
 221                                 label_tcp_cur  = document.getElementById('lb_tcp_cur');
 222                                 label_tcp_avg  = document.getElementById('lb_tcp_avg');
 223                                 label_tcp_peak = document.getElementById('lb_tcp_peak');
 224
 225                                 label_otr_cur  = document.getElementById('lb_otr_cur');
 226                                 label_otr_avg  = document.getElementById('lb_otr_avg');
 227                                 label_otr_peak = document.getElementById('lb_otr_peak');
 228
 229                                 label_scale   = document.getElementById('scale');
 230
 231
 232                                 /* plot horizontal time interval lines */
 233                                 for (var i = step * 60; i < width; i += step * 60)
 234                                 {
 235                                         var line = G.createElementNS('http://www.w3.org/2000/svg', 'line');
 236                                                 line.setAttribute('x1', i);
 237                                                 line.setAttribute('y1', 0);
 238                                                 line.setAttribute('x2', i);
 239                                                 line.setAttribute('y2', '100%');
 240                                                 line.setAttribute('style', 'stroke:black;stroke-width:0.1');
 241
 242                                         var text = G.createElementNS('http://www.w3.org/2000/svg', 'text');
 243                                                 text.setAttribute('x', i + 5);
 244                                                 text.setAttribute('y', 15);
 245                                                 text.setAttribute('style', 'fill:#999999; font-size:9pt');
 246                                                 text.appendChild(G.createTextNode(Math.round(i / step / 60) + 'm'));
 247
 248                                         label_25.parentNode.appendChild(line);
 249                                         label_25.parentNode.appendChild(text);
 250                                 }
 251
 252                                 label_scale.innerHTML = String.format('<%:(%d minute window, %d second interval)%>', data_wanted / 60, 1);
 253
 254                                 /* render datasets, start update interval */
 255                                 update_graph();
 256                         }
 257                 }, 1000
 258         );
 259 //]]></script>
 260
 261 <h2><a id="content" name="content"><%:Realtime Connections%></a></h2>
 262
 263 <embed id="bwsvg" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/connections.svg" />
 264 <div style="text-align:right"><small id="scale">-</small></div>
 265 <br />
 266
 267 <table style="width:100%; table-layout:fixed" cellspacing="5">
 268         <tr>
 269                 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid blue"><%:UDP:%></strong></td>
 270                 <td id="lb_udp_cur">0</td>
 271
 272                 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
 273                 <td id="lb_udp_avg">0</td>
 274
 275                 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
 276                 <td id="lb_udp_peak">0</td>
 277         </tr>
 278         <tr>
 279                 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid green"><%:TCP:%></strong></td>
 280                 <td id="lb_tcp_cur">0</td>
 281
 282                 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
 283                 <td id="lb_tcp_avg">0</td>
 284
 285                 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
 286                 <td id="lb_tcp_peak">0</td>
 287         </tr>
 288         <tr>
 289                 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid red"><%:Other:%></strong></td>
 290                 <td id="lb_otr_cur">0</td>
 291
 292                 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
 293                 <td id="lb_otr_avg">0</td>
 294
 295                 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
 296                 <td id="lb_otr_peak">0</td>
 297         </tr>
 298 </table>
 299
 300 <%+footer%>