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
  26         var width  = 760;
  27         var height = 300;
  28         var step   = 5;
  29
  30         var data_wanted = Math.floor(width / step);
  31         var data_fill   = 0;
  32         var data_stamp  = 0;
  33
  34         var data_udp = [ ];
  35         var data_tcp = [ ];
  36
  37         var line_udp;
  38         var line_tcp;
  39
  40         var label_25;
  41         var label_50;
  42         var label_75;
  43
  44         var label_rx_cur;
  45         var label_rx_avg;
  46         var label_rx_peak;
  47
  48         var label_tx_cur;
  49         var label_tx_avg;
  50         var label_tx_peak;
  51
  52         var label_scale;
  53
  54
  55         function update_graph()
  56         {
  57                 bwxhr.get('<%=build_url("admin/status/connections_status")%>', null,
  58                         function(x, data)
  59                         {
  60                                 var data_max   = 0;
  61                                 var data_scale = 0;
  62
  63                                 var data_udp_avg = 0;
  64                                 var data_tcp_avg = 0;
  65
  66                                 var data_udp_peak = 0;
  67                                 var data_tcp_peak = 0;
  68
  69                                 for (var i = data_stamp ? 0 : 1; i < data.length; i++)
  70                                 {
  71                                         /* skip overlapping entries */
  72                                         if (data[i][TIME] <= data_stamp)
  73                                                 continue;
  74
  75                                         data_udp.push(data[i][UDP]);
  76                                         data_tcp.push(data[i][TCP]);
  77                                 }
  78
  79                                 /* cut off outdated entries */
  80                                 data_udp = data_udp.slice(data_udp.length - data_wanted, data_udp.length);
  81                                 data_tcp = data_tcp.slice(data_tcp.length - data_wanted, data_tcp.length);
  82
  83                                 /* find peak */
  84                                 for (var i = 0; i < data_udp.length; i++)
  85                                 {
  86                                         data_max = Math.max(data_max, data_udp[i]);
  87                                         data_max = Math.max(data_max, data_tcp[i]);
  88
  89                                         data_udp_peak = Math.max(data_udp_peak, data_udp[i]);
  90                                         data_tcp_peak = Math.max(data_tcp_peak, data_tcp[i]);
  91
  92                                         if (i > 0)
  93                                         {
  94                                                 data_udp_avg = (data_udp_avg + data_udp[i]) / 2;
  95                                                 data_tcp_avg = (data_tcp_avg + data_tcp[i]) / 2;
  96                                         }
  97                                         else
  98                                         {
  99                                                 data_udp_avg = data_udp[i];
 100                                                 data_tcp_avg = data_tcp[i];
 101                                         }
 102                                 }
 103
 104                                 /* remember current timestamp, calculate horizontal scale */
 105                                 data_stamp = data[data.length-1][TIME];
 106                                 data_scale = height / (data_max * 1.1);
 107
 108
 109                                 /* plot data */
 110                                 var pt_rx = '0,' + height;
 111                                 var pt_tx = '0,' + height;
 112
 113                                 var y_rx = 0;
 114                                 var y_tx = 0;
 115
 116                                 for (var i = 0; i < data_udp.length; i++)
 117                                 {
 118                                         var x = i * step;
 119
 120                                         y_rx = height - Math.floor(data_udp[i] * data_scale);
 121                                         y_tx = height - Math.floor(data_tcp[i] * data_scale);
 122
 123                                         pt_rx += ' ' + x + ',' + y_rx;
 124                                         pt_tx += ' ' + x + ',' + y_tx;
 125                                 }
 126
 127                                 pt_rx += ' ' + width + ',' + y_rx + ' ' + width + ',' + height;
 128                                 pt_tx += ' ' + width + ',' + y_tx + ' ' + width + ',' + height;
 129
 130
 131                                 line_udp.setAttribute('points', pt_rx);
 132                                 line_tcp.setAttribute('points', pt_tx);
 133
 134                                 label_25.firstChild.data = Math.floor(1.1 * 0.25 * data_max);
 135                                 label_50.firstChild.data = Math.floor(1.1 * 0.50 * data_max);
 136                                 label_75.firstChild.data = Math.floor(1.1 * 0.75 * data_max);
 137
 138                                 label_rx_cur.innerHTML = Math.floor(data_udp[data_udp.length-1]);
 139                                 label_tx_cur.innerHTML = Math.floor(data_tcp[data_tcp.length-1]);
 140
 141                                 label_rx_avg.innerHTML = Math.floor(data_udp_avg);
 142                                 label_tx_avg.innerHTML = Math.floor(data_tcp_avg);
 143
 144                                 label_rx_peak.innerHTML = Math.floor(data_udp_peak);
 145                                 label_tx_peak.innerHTML = Math.floor(data_tcp_peak);
 146
 147                                 /* reset timer */
 148                                 window.setTimeout(update_graph, 1000);
 149                         }
 150                 )
 151         }
 152
 153         /* wait for SVG */
 154         window.setTimeout(
 155                 function() {
 156                         var svg = document.getElementById('bwsvg');
 157
 158                         try {
 159                                 G = svg.getSVGDocument
 160                                         ? svg.getSVGDocument() : svg.contentDocument;
 161                         }
 162                         catch(e) {
 163                                 G = document.embeds['bwsvg'].getSVGDocument();
 164                         }
 165
 166                         if (!G)
 167                         {
 168                                 window.setTimeout(arguments.callee, 1000);
 169                         }
 170                         else
 171                         {
 172                                 /* find sizes */
 173                                 width       = svg.offsetWidth  - 2;
 174                                 height      = svg.offsetHeight - 2;
 175                                 data_wanted = Math.ceil(width / step);
 176
 177                                 /* prefill datasets */
 178                                 for (var i = 0; i < data_wanted; i++)
 179                                 {
 180                                         data_udp[i] = 0;
 181                                         data_tcp[i] = 0;
 182                                 }
 183
 184                                 /* find svg elements */
 185                                 line_udp = G.getElementById('udp');
 186                                 line_tcp = G.getElementById('tcp');
 187
 188                                 label_25 = G.getElementById('label_25');
 189                                 label_50 = G.getElementById('label_50');
 190                                 label_75 = G.getElementById('label_75');
 191
 192                                 label_rx_cur  = document.getElementById('lb_udp_cur');
 193                                 label_rx_avg  = document.getElementById('lb_udp_avg');
 194                                 label_rx_peak = document.getElementById('lb_udp_peak');
 195
 196                                 label_tx_cur  = document.getElementById('lb_tcp_cur');
 197                                 label_tx_avg  = document.getElementById('lb_tcp_avg');
 198                                 label_tx_peak = document.getElementById('lb_tcp_peak');
 199
 200                                 label_scale   = document.getElementById('scale');
 201
 202
 203                                 /* plot horizontal time interval lines */
 204                                 for (var i = step * 60; i < width; i += step * 60)
 205                                 {
 206                                         var line = G.createElementNS('http://www.w3.org/2000/svg', 'line');
 207                                                 line.setAttribute('x1', i);
 208                                                 line.setAttribute('y1', 0);
 209                                                 line.setAttribute('x2', i);
 210                                                 line.setAttribute('y2', '100%');
 211                                                 line.setAttribute('style', 'stroke:black;stroke-width:0.1');
 212
 213                                         var text = G.createElementNS('http://www.w3.org/2000/svg', 'text');
 214                                                 text.setAttribute('x', i + 5);
 215                                                 text.setAttribute('y', 15);
 216                                                 text.setAttribute('style', 'fill:#999999; font-size:9pt');
 217                                                 text.appendChild(G.createTextNode(Math.round(i / step / 60) + 'm'));
 218
 219                                         label_25.parentNode.appendChild(line);
 220                                         label_25.parentNode.appendChild(text);
 221                                 }
 222
 223                                 label_scale.innerHTML = String.format('<%:(%d minute window, %d second interval)%>', data_wanted / 60, 1);
 224
 225                                 /* render datasets, start update interval */
 226                                 update_graph();
 227                         }
 228                 }, 1000
 229         );
 230 //]]></script>
 231
 232 <h2><a id="content" name="content"><%:Realtime Connections%></a></h2>
 233
 234 <embed id="bwsvg" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/connections.svg" />
 235 <div style="text-align:right"><small id="scale">-</small></div>
 236 <br />
 237
 238 <table style="width:100%; table-layout:fixed" cellspacing="5">
 239         <tr>
 240                 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid blue"><%:UDP:%></strong></td>
 241                 <td id="lb_udp_cur">0</td>
 242
 243                 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
 244                 <td id="lb_udp_avg">0</td>
 245
 246                 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
 247                 <td id="lb_udp_peak">0</td>
 248         </tr>
 249         <tr>
 250                 <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid green"><%:TCP:%></strong></td>
 251                 <td id="lb_tcp_cur">0</td>
 252
 253                 <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
 254                 <td id="lb_tcp_avg">0</td>
 255
 256                 <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
 257                 <td id="lb_tcp_peak">0</td>
 258         </tr>
 259 </table>
 260
 261 <%+footer%>